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ОС","\u002Fcsharp\u002Fsystem-programming-windows\u002Fwindows-hooks-services","01.csharp\u002F07.system-programming-windows\u002F20.windows-hooks-services",{"title":376,"path":377,"stem":378},"Системне Програмування C# (Windows) — 07.system-programming-windows","\u002Fcsharp\u002Fsystem-programming-windows\u002Fimplementation_plan","01.csharp\u002F07.system-programming-windows\u002Fimplementation_plan",{"title":380,"icon":132,"path":381,"stem":382,"children":383,"page":59},"Io","\u002Fcsharp\u002Fio","01.csharp\u002F08.io",[384,388,392,396,400],{"title":385,"path":386,"stem":387},"8.1.1. Основи роботи з файловою системою","\u002Fcsharp\u002Fio\u002Ffile-system-basics","01.csharp\u002F08.io\u002F01.file-system-basics",{"title":389,"path":390,"stem":391},"8.1.2. Потоки (Streams) та Серіалізація Даних","\u002Fcsharp\u002Fio\u002Fstreams-serialization","01.csharp\u002F08.io\u002F02.streams-serialization",{"title":393,"path":394,"stem":395},"8.2.1. JSON Serialization з System.Text.Json","\u002Fcsharp\u002Fio\u002Fjson-serialization","01.csharp\u002F08.io\u002F03.json-serialization",{"title":397,"path":398,"stem":399},"8.2.2. XML Serialization та LINQ to XML","\u002Fcsharp\u002Fio\u002Fxml-serialization","01.csharp\u002F08.io\u002F04.xml-serialization",{"title":401,"path":402,"stem":403},"8.2.3. Binary Serialization: MessagePack та Protocol Buffers","\u002Fcsharp\u002Fio\u002Fbinary-serialization","01.csharp\u002F08.io\u002F05.binary-serialization",{"title":405,"icon":132,"path":406,"stem":407,"children":408,"page":59},"Ado Net","\u002Fcsharp\u002Fado-net","01.csharp\u002F09.ado-net",[409,413,417,421,425,429,433,437,441,445,449,453],{"title":410,"path":411,"stem":412},"9.1. Введення в ADO.NET","\u002Fcsharp\u002Fado-net\u002Fintroduction-to-adonet","01.csharp\u002F09.ado-net\u002F01.introduction-to-adonet",{"title":414,"path":415,"stem":416},"9.2. Клас DbConnection — з'єднання з базою даних","\u002Fcsharp\u002Fado-net\u002Fconnection","01.csharp\u002F09.ado-net\u002F02.connection",{"title":418,"path":419,"stem":420},"9.3. Клас DbCommand — виконання SQL-запитів","\u002Fcsharp\u002Fado-net\u002Fcommand-and-queries","01.csharp\u002F09.ado-net\u002F03.command-and-queries",{"title":422,"path":423,"stem":424},"9.4. Клас DbDataReader — ефективне читання даних","\u002Fcsharp\u002Fado-net\u002Fdatareader","01.csharp\u002F09.ado-net\u002F04.datareader",{"title":426,"path":427,"stem":428},"9.5. Параметризовані запити та захист від SQL Injection","\u002Fcsharp\u002Fado-net\u002Fparameters-and-sql-injection","01.csharp\u002F09.ado-net\u002F05.parameters-and-sql-injection",{"title":430,"path":431,"stem":432},"9.6. Транзакції в ADO.NET","\u002Fcsharp\u002Fado-net\u002Ftransactions","01.csharp\u002F09.ado-net\u002F06.transactions",{"title":434,"path":435,"stem":436},"9.7. DbProviderFactory — провайдер-незалежний код","\u002Fcsharp\u002Fado-net\u002Fprovider-factory","01.csharp\u002F09.ado-net\u002F07.provider-factory",{"title":438,"path":439,"stem":440},"9.8. Асинхронний доступ до даних","\u002Fcsharp\u002Fado-net\u002Fasync-data-access","01.csharp\u002F09.ado-net\u002F08.async-data-access",{"title":442,"path":443,"stem":444},"9.9. Від'єднаний режим: DataSet, DataTable, DataRow","\u002Fcsharp\u002Fado-net\u002Fdisconnected-mode-dataset","01.csharp\u002F09.ado-net\u002F09.disconnected-mode-dataset",{"title":446,"path":447,"stem":448},"9.10. DataAdapter — міст між DataSet та базою даних","\u002Fcsharp\u002Fado-net\u002Fdata-adapter","01.csharp\u002F09.ado-net\u002F10.data-adapter",{"title":450,"path":451,"stem":452},"9.11. Data Mapper та Repository: Архітектура доступу до даних","\u002Fcsharp\u002Fado-net\u002Fdata-mapper-repository","01.csharp\u002F09.ado-net\u002F11.data-mapper-repository",{"title":454,"path":455,"stem":456},"9.12. Identity Map, Unit of Work та Specification Pattern","\u002Fcsharp\u002Fado-net\u002Fadvanced-patterns","01.csharp\u002F09.ado-net\u002F12.advanced-patterns",{"title":458,"icon":255,"path":459,"stem":460,"children":461,"page":59},"Ef Core","\u002Fcsharp\u002Fef-core","01.csharp\u002F10.ef-core",[462,466,470,474,478,482,486,490,494,498,502,506,510,514,518,522,526,532,538,542,546,550,554,558,562,566,570,574,578,582,586,590,594,598,602,606,610,614,618,622,626,630,634,638,642,646],{"title":463,"path":464,"stem":465},"Що таке ORM? Від SQL до об'єктів","\u002Fcsharp\u002Fef-core\u002Fwhat-is-orm","01.csharp\u002F10.ef-core\u002F01.what-is-orm",{"title":467,"path":468,"stem":469},"Перший проєкт — від нуля до CRUD","\u002Fcsharp\u002Fef-core\u002Ffirst-project","01.csharp\u002F10.ef-core\u002F02.first-project",{"title":471,"path":472,"stem":473},"DbContext — Серце EF Core","\u002Fcsharp\u002Fef-core\u002Fdbcontext-deep-dive","01.csharp\u002F10.ef-core\u002F03.dbcontext-deep-dive",{"title":475,"path":476,"stem":477},"Провайдери баз даних — Архітектура та Вибір СУБД","\u002Fcsharp\u002Fef-core\u002Fdatabase-providers","01.csharp\u002F10.ef-core\u002F04.database-providers",{"title":479,"path":480,"stem":481},"Конвенції EF Core — Магія без конфігурації","\u002Fcsharp\u002Fef-core\u002Fconventions","01.csharp\u002F10.ef-core\u002F05.conventions",{"title":483,"path":484,"stem":485},"Fluent API та Data Annotations — Явна конфігурація моделі","\u002Fcsharp\u002Fef-core\u002Ffluent-api-vs-annotations","01.csharp\u002F10.ef-core\u002F06.fluent-api-vs-annotations",{"title":487,"path":488,"stem":489},"Зв'язки — One-to-One та One-to-Many","\u002Fcsharp\u002Fef-core\u002Frelationships-basics","01.csharp\u002F10.ef-core\u002F07.relationships-basics",{"title":491,"path":492,"stem":493},"Зв'язки Advanced — Many-to-Many та Складні Сценарії","\u002Fcsharp\u002Fef-core\u002Frelationships-advanced","01.csharp\u002F10.ef-core\u002F08.relationships-advanced",{"title":495,"path":496,"stem":497},"Властивості — Типи, Конвертери, Компаратори (Частина 1)","\u002Fcsharp\u002Fef-core\u002Fproperty-configuration-part1","01.csharp\u002F10.ef-core\u002F09.property-configuration-part1",{"title":499,"path":500,"stem":501},"Властивості — Value Comparers, Generators, Shadow Properties (Частина 2)","\u002Fcsharp\u002Fef-core\u002Fproperty-configuration-part2","01.csharp\u002F10.ef-core\u002F09.property-configuration-part2",{"title":503,"path":504,"stem":505},"Складні типи — Owned Types та Complex Types (Частина 1)","\u002Fcsharp\u002Fef-core\u002Fcomplex-types-owned-part1","01.csharp\u002F10.ef-core\u002F10.complex-types-owned-part1",{"title":507,"path":508,"stem":509},"Складні типи — Complex Types, Keyless Entities, Порівняння (Частина 2)","\u002Fcsharp\u002Fef-core\u002Fcomplex-types-owned-part2","01.csharp\u002F10.ef-core\u002F10.complex-types-owned-part2",{"title":511,"path":512,"stem":513},"JSON Columns — Складні дані у JSON (Частина 1)","\u002Fcsharp\u002Fef-core\u002Fjson-columns-part1","01.csharp\u002F10.ef-core\u002F11.json-columns-part1",{"title":515,"path":516,"stem":517},"JSON Columns — Value Comparers, Індекси, Провайдери (Частина 2)","\u002Fcsharp\u002Fef-core\u002Fjson-columns-part2","01.csharp\u002F10.ef-core\u002F11.json-columns-part2",{"title":519,"path":520,"stem":521},"Успадкування — Абстрактні класи та TPH (Частина 1)","\u002Fcsharp\u002Fef-core\u002Finheritance-part1","01.csharp\u002F10.ef-core\u002F12.inheritance-part1",{"title":523,"path":524,"stem":525},"Успадкування — TPT, TPC та Порівняння Стратегій (Частина 2)","\u002Fcsharp\u002Fef-core\u002Finheritance-part2","01.csharp\u002F10.ef-core\u002F12.inheritance-part2",{"title":527,"path":528,"stem":529,"children":530},"Індекси, Обмеження та Схема (Частина 1)","\u002Fcsharp\u002Fef-core\u002Findexes-constraints-part1","01.csharp\u002F10.ef-core\u002F13.indexes-constraints-part1",[531],{"title":527,"path":528,"stem":529},{"title":533,"path":534,"stem":535,"children":536},"Індекси, Обмеження та Схема (Частина 2)","\u002Fcsharp\u002Fef-core\u002Findexes-constraints-part2","01.csharp\u002F10.ef-core\u002F13.indexes-constraints-part2",[537],{"title":533,"path":534,"stem":535},{"title":539,"path":540,"stem":541},"Seed Data — Початкові Дані (Частина 1)","\u002Fcsharp\u002Fef-core\u002Fseeding-part1","01.csharp\u002F10.ef-core\u002F14.seeding-part1",{"title":543,"path":544,"stem":545},"Seed Data — SQL-скрипти, Bogus та Стратегії (Частина 2)","\u002Fcsharp\u002Fef-core\u002Fseeding-part2","01.csharp\u002F10.ef-core\u002F14.seeding-part2",{"title":547,"path":548,"stem":549},"Global Query Filters — Глобальні Фільтри (Частина 1)","\u002Fcsharp\u002Fef-core\u002Fglobal-query-filters-part1","01.csharp\u002F10.ef-core\u002F15.global-query-filters-part1",{"title":551,"path":552,"stem":553},"Global Query Filters — Підводні камені та Інтеграція (Частина 2)","\u002Fcsharp\u002Fef-core\u002Fglobal-query-filters-part2","01.csharp\u002F10.ef-core\u002F15.global-query-filters-part2",{"title":555,"path":556,"stem":557},"LINQ-запити в EF Core (Частина 1)","\u002Fcsharp\u002Fef-core\u002Flinq-queries-part1","01.csharp\u002F10.ef-core\u002F16.linq-queries-part1",{"title":559,"path":560,"stem":561},"LINQ-запити в EF Core (Частина 2)","\u002Fcsharp\u002Fef-core\u002Flinq-queries-part2","01.csharp\u002F10.ef-core\u002F16.linq-queries-part2",{"title":563,"path":564,"stem":565},"Завантаження Пов'язаних Даних (Частина 1)","\u002Fcsharp\u002Fef-core\u002Floading-related-data-part1","01.csharp\u002F10.ef-core\u002F17.loading-related-data-part1",{"title":567,"path":568,"stem":569},"Завантаження Пов'язаних Даних (Частина 2)","\u002Fcsharp\u002Fef-core\u002Floading-related-data-part2","01.csharp\u002F10.ef-core\u002F17.loading-related-data-part2",{"title":571,"path":572,"stem":573},"Raw SQL, Views та Stored Procedures (Частина 1)","\u002Fcsharp\u002Fef-core\u002Fraw-sql-part1","01.csharp\u002F10.ef-core\u002F18.raw-sql-part1",{"title":575,"path":576,"stem":577},"Raw SQL — Stored Procedures, DbFunction та Bulk Operations (Частина 2)","\u002Fcsharp\u002Fef-core\u002Fraw-sql-part2","01.csharp\u002F10.ef-core\u002F18.raw-sql-part2",{"title":579,"path":580,"stem":581},"Продвинуті Запити — Compiled Queries, Bulk та Оптимізація (Частина 1)","\u002Fcsharp\u002Fef-core\u002Fadvanced-queries-part1","01.csharp\u002F10.ef-core\u002F19.advanced-queries-part1",{"title":583,"path":584,"stem":585},"Продвинуті Запити — Query Tags, Bulk та Interceptors (Частина 2)","\u002Fcsharp\u002Fef-core\u002Fadvanced-queries-part2","01.csharp\u002F10.ef-core\u002F19.advanced-queries-part2",{"title":587,"path":588,"stem":589},"Change Tracker — Відстеження Змін (Частина 1)","\u002Fcsharp\u002Fef-core\u002Fchange-tracking-part1","01.csharp\u002F10.ef-core\u002F20.change-tracking-part1",{"title":591,"path":592,"stem":593},"Change Tracker — Графи Об'єктів та Disconnected (Частина 2)","\u002Fcsharp\u002Fef-core\u002Fchange-tracking-part2","01.csharp\u002F10.ef-core\u002F20.change-tracking-part2",{"title":595,"path":596,"stem":597},"Збереження Даних та Транзакції (Частина 1)","\u002Fcsharp\u002Fef-core\u002Fsaving-data-part1","01.csharp\u002F10.ef-core\u002F21.saving-data-part1",{"title":599,"path":600,"stem":601},"Збереження Даних — Concurrency та Outbox (Частина 2)","\u002Fcsharp\u002Fef-core\u002Fsaving-data-part2","01.csharp\u002F10.ef-core\u002F21.saving-data-part2",{"title":603,"path":604,"stem":605},"Конкурентність та Блокування (Частина 1)","\u002Fcsharp\u002Fef-core\u002Fconcurrency-part1","01.csharp\u002F10.ef-core\u002F22.concurrency-part1",{"title":607,"path":608,"stem":609},"Конкурентність — Дедлоки та Queue Processing (Частина 2)","\u002Fcsharp\u002Fef-core\u002Fconcurrency-part2","01.csharp\u002F10.ef-core\u002F22.concurrency-part2",{"title":611,"path":612,"stem":613},"Міграції в EF Core — Основи (Частина 1)","\u002Fcsharp\u002Fef-core\u002Fmigrations-basics-part1","01.csharp\u002F10.ef-core\u002F23.migrations-basics-part1",{"title":615,"path":616,"stem":617},"Міграції в EF Core — Основи (Частина 2)","\u002Fcsharp\u002Fef-core\u002Fmigrations-basics-part2","01.csharp\u002F10.ef-core\u002F23.migrations-basics-part2",{"title":619,"path":620,"stem":621},"Міграції — Просунуті Сценарії (Частина 1)","\u002Fcsharp\u002Fef-core\u002Fmigrations-advanced-part1","01.csharp\u002F10.ef-core\u002F24.migrations-advanced-part1",{"title":623,"path":624,"stem":625},"Міграції — Просунуті Сценарії (Частина 2)","\u002Fcsharp\u002Fef-core\u002Fmigrations-advanced-part2","01.csharp\u002F10.ef-core\u002F24.migrations-advanced-part2",{"title":627,"path":628,"stem":629},"Управління Схемою та Database-First (Частина 1)","\u002Fcsharp\u002Fef-core\u002Fschema-management-part1","01.csharp\u002F10.ef-core\u002F25.schema-management-part1",{"title":631,"path":632,"stem":633},"Управління Схемою та Database-First (Частина 2)","\u002Fcsharp\u002Fef-core\u002Fschema-management-part2","01.csharp\u002F10.ef-core\u002F25.schema-management-part2",{"title":635,"path":636,"stem":637},"Продуктивність EF Core — Основи (Частина 1)","\u002Fcsharp\u002Fef-core\u002Fperformance-fundamentals-part1","01.csharp\u002F10.ef-core\u002F26.performance-fundamentals-part1",{"title":639,"path":640,"stem":641},"Interceptors в EF Core (Частина 1)","\u002Fcsharp\u002Fef-core\u002Finterceptors-part1","01.csharp\u002F10.ef-core\u002F29.interceptors-part1",{"title":643,"path":644,"stem":645},"Interceptors в EF Core — Connection, Transaction та Materialization (Частина 2)","\u002Fcsharp\u002Fef-core\u002Finterceptors-part2","01.csharp\u002F10.ef-core\u002F29.interceptors-part2",{"title":647,"path":648,"stem":649},"План вивчення Entity Framework Core — Повний курс","\u002Fcsharp\u002Fef-core\u002Fimplementation_plan","01.csharp\u002F10.ef-core\u002Fimplementation_plan",{"title":651,"icon":652,"path":653,"stem":654,"children":655,"page":59},"ASP.NET","i-devicon-dotnetcore","\u002Fcsharp\u002Faspnet","01.csharp\u002F11.aspnet",[656,730,791,869,927,941,967,1057,1111,1182,1212,1289,1346],{"title":657,"icon":658,"path":659,"stem":660,"children":661,"page":59},"Minimal API","i-lucide-network","\u002Fcsharp\u002Faspnet\u002Fminimal-api","01.csharp\u002F11.aspnet\u002F01.minimal-api",[662,666,670,674,678,682,686,690,694,698,702,706,710,714,718,722,726],{"title":663,"path":664,"stem":665},"Вступ до ASP.NET та еволюція фреймворку","\u002Fcsharp\u002Faspnet\u002Fminimal-api\u002Fintroduction","01.csharp\u002F11.aspnet\u002F01.minimal-api\u002F01.introduction",{"title":667,"path":668,"stem":669},"Перший додаток на ASP.NET Core","\u002Fcsharp\u002Faspnet\u002Fminimal-api\u002Ffirst-application","01.csharp\u002F11.aspnet\u002F01.minimal-api\u002F02.first-application",{"title":671,"path":672,"stem":673},"WebApplication, Builder та Dependency Injection","\u002Fcsharp\u002Faspnet\u002Fminimal-api\u002Fwebapplication-builder","01.csharp\u002F11.aspnet\u002F01.minimal-api\u002F03.webapplication-builder",{"title":675,"path":676,"stem":677},"Конвеєр запитів та Middleware","\u002Fcsharp\u002Faspnet\u002Fminimal-api\u002Frequest-pipeline-middleware","01.csharp\u002F11.aspnet\u002F01.minimal-api\u002F04.request-pipeline-middleware",{"title":679,"path":680,"stem":681},"Маршрутизація в ASP.NET Core: Основи","\u002Fcsharp\u002Faspnet\u002Fminimal-api\u002Frouting-basics","01.csharp\u002F11.aspnet\u002F01.minimal-api\u002F05.routing-basics",{"title":683,"path":684,"stem":685},"Маршрутизація в ASP.NET Core: Розширені можливості","\u002Fcsharp\u002Faspnet\u002Fminimal-api\u002Frouting-advanced","01.csharp\u002F11.aspnet\u002F01.minimal-api\u002F06.routing-advanced",{"title":687,"path":688,"stem":689},"Статичні файли в ASP.NET Core","\u002Fcsharp\u002Faspnet\u002Fminimal-api\u002Fstatic-files","01.csharp\u002F11.aspnet\u002F01.minimal-api\u002F07.static-files",{"title":691,"path":692,"stem":693},"Статичні Активи: MapStaticAssets (ASP.NET Core 9.0)","\u002Fcsharp\u002Faspnet\u002Fminimal-api\u002Fstatic-assets","01.csharp\u002F11.aspnet\u002F01.minimal-api\u002F08.static-assets",{"title":695,"path":696,"stem":697},"Конфігурація в ASP.NET Core: Основи","\u002Fcsharp\u002Faspnet\u002Fminimal-api\u002Fconfiguration-fundamentals","01.csharp\u002F11.aspnet\u002F01.minimal-api\u002F09.configuration-fundamentals",{"title":699,"path":700,"stem":701},"Конфігурація: Паттерн Options","\u002Fcsharp\u002Faspnet\u002Fminimal-api\u002Fconfiguration-options","01.csharp\u002F11.aspnet\u002F01.minimal-api\u002F10.configuration-options",{"title":703,"path":704,"stem":705},"Логування в ASP.NET Core: Основи","\u002Fcsharp\u002Faspnet\u002Fminimal-api\u002Flogging-basics","01.csharp\u002F11.aspnet\u002F01.minimal-api\u002F11.logging-basics",{"title":707,"path":708,"stem":709},"Логування: Serilog та Middleware","\u002Fcsharp\u002Faspnet\u002Fminimal-api\u002Flogging-advanced","01.csharp\u002F11.aspnet\u002F01.minimal-api\u002F12.logging-advanced",{"title":711,"path":712,"stem":713},"Управління станом: HttpContext.Items та Cookies","\u002Fcsharp\u002Faspnet\u002Fminimal-api\u002Fstate-management","01.csharp\u002F11.aspnet\u002F01.minimal-api\u002F13.state-management",{"title":715,"path":716,"stem":717},"Стан сесії: Sessions","\u002Fcsharp\u002Faspnet\u002Fminimal-api\u002Fsession-state","01.csharp\u002F11.aspnet\u002F01.minimal-api\u002F14.session-state",{"title":719,"path":720,"stem":721},"Структура проєкту: від хаосу до архітектури","\u002Fcsharp\u002Faspnet\u002Fminimal-api\u002Fproject-structure","01.csharp\u002F11.aspnet\u002F01.minimal-api\u002F15.project-structure",{"title":723,"path":724,"stem":725},"Scalar у Minimal API: повний проєкт і Fluent OpenAPI","\u002Fcsharp\u002Faspnet\u002Fminimal-api\u002Fscalar-openapi-fluent","01.csharp\u002F11.aspnet\u002F01.minimal-api\u002F16.scalar-openapi-fluent",{"title":727,"path":728,"stem":729},"Swagger \u002F Swashbuckle у Minimal API: окремий класичний шлях","\u002Fcsharp\u002Faspnet\u002Fminimal-api\u002Fswagger-swashbuckle","01.csharp\u002F11.aspnet\u002F01.minimal-api\u002F17.swagger-swashbuckle",{"title":731,"icon":658,"path":732,"stem":733,"children":734,"page":59},"API","\u002Fcsharp\u002Faspnet\u002Fapi","01.csharp\u002F11.aspnet\u002F02.api",[735,739,743,747,751,755,759,763,767,771,775,779,783,787],{"title":736,"path":737,"stem":738},"Що таке API. Клієнт-серверна архітектура","\u002Fcsharp\u002Faspnet\u002Fapi\u002Fwhat-is-api","01.csharp\u002F11.aspnet\u002F02.api\u002F01.what-is-api",{"title":740,"path":741,"stem":742},"Формати даних: JSON, XML, TOML та бінарні формати","\u002Fcsharp\u002Faspnet\u002Fapi\u002Fdata-formats","01.csharp\u002F11.aspnet\u002F02.api\u002F02.data-formats",{"title":744,"path":745,"stem":746},"Парадигми API та концепція REST","\u002Fcsharp\u002Faspnet\u002Fapi\u002Fapi-paradigms-rest","01.csharp\u002F11.aspnet\u002F02.api\u002F03.api-paradigms-rest",{"title":748,"path":749,"stem":750},"HTTP-методи, статус-коди та заголовки","\u002Fcsharp\u002Faspnet\u002Fapi\u002Fhttp-methods-status-codes","01.csharp\u002F11.aspnet\u002F02.api\u002F04.http-methods-status-codes",{"title":752,"path":753,"stem":754},"Організація HTTP API за принципами REST","\u002Fcsharp\u002Faspnet\u002Fapi\u002Frest-organizing","01.csharp\u002F11.aspnet\u002F02.api\u002F05.rest-organizing",{"title":756,"path":757,"stem":758},"Номенклатура URL та CRUD-операції","\u002Fcsharp\u002Faspnet\u002Fapi\u002Furl-nomenclature-crud","01.csharp\u002F11.aspnet\u002F02.api\u002F06.url-nomenclature-crud",{"title":760,"path":761,"stem":762},"Правила дизайну: іменування та стандарти","\u002Fcsharp\u002Faspnet\u002Fapi\u002Fapi-design-naming","01.csharp\u002F11.aspnet\u002F02.api\u002F07.api-design-naming",{"title":764,"path":765,"stem":766},"Валідація, ліміти та обробка помилок","\u002Fcsharp\u002Faspnet\u002Fapi\u002Fapi-design-validation","01.csharp\u002F11.aspnet\u002F02.api\u002F08.api-design-validation",{"title":768,"path":769,"stem":770},"Обробка помилок у Minimal API","\u002Fcsharp\u002Faspnet\u002Fapi\u002Ferror-handling-http","01.csharp\u002F11.aspnet\u002F02.api\u002F09.error-handling-http",{"title":772,"path":773,"stem":774},"Ідемпотентність та синхронізація стану","\u002Fcsharp\u002Faspnet\u002Fapi\u002Fidempotency-sync","01.csharp\u002F11.aspnet\u002F02.api\u002F10.idempotency-sync",{"title":776,"path":777,"stem":778},"Пагінація та організація списків","\u002Fcsharp\u002Faspnet\u002Fapi\u002Fpagination-lists","01.csharp\u002F11.aspnet\u002F02.api\u002F11.pagination-lists",{"title":780,"path":781,"stem":782},"Безпека API, кешування та інтернаціоналізація","\u002Fcsharp\u002Faspnet\u002Fapi\u002Fsecurity-auth","01.csharp\u002F11.aspnet\u002F02.api\u002F12.security-auth",{"title":784,"path":785,"stem":786},"Процес проєктування API та документування","\u002Fcsharp\u002Faspnet\u002Fapi\u002Fapi-design-process","01.csharp\u002F11.aspnet\u002F02.api\u002F13.api-design-process",{"title":788,"path":789,"stem":790},"OpenAPI: контракт, специфікація та документація API","\u002Fcsharp\u002Faspnet\u002Fapi\u002Fopenapi","01.csharp\u002F11.aspnet\u002F02.api\u002F14.openapi",{"title":792,"icon":793,"path":794,"stem":795,"children":796,"page":59},"Auth","i-lucide-shield-check","\u002Fcsharp\u002Faspnet\u002Fauth","01.csharp\u002F11.aspnet\u002F03.auth",[797,801,805,809,813,817,821,825,829,833,837,841,845,849,853,857,861,865],{"title":798,"path":799,"stem":800},"Основи аутентифікації та авторизації","\u002Fcsharp\u002Faspnet\u002Fauth\u002Fauth-fundamentals","01.csharp\u002F11.aspnet\u002F03.auth\u002F01.auth-fundamentals",{"title":802,"path":803,"stem":804},"JWT-аутентифікація","\u002Fcsharp\u002Faspnet\u002Fauth\u002Fjwt-authentication","01.csharp\u002F11.aspnet\u002F03.auth\u002F02.jwt-authentication",{"title":806,"path":807,"stem":808},"Авторизація: ролі, політики та resource-based доступ","\u002Fcsharp\u002Faspnet\u002Fauth\u002Fauthorization-policies","01.csharp\u002F11.aspnet\u002F03.auth\u002F03.authorization-policies",{"title":810,"path":811,"stem":812},"Cookie-аутентифікація та ASP.NET Core Identity","\u002Fcsharp\u002Faspnet\u002Fauth\u002Fcookie-auth-identity","01.csharp\u002F11.aspnet\u002F03.auth\u002F04.cookie-auth-identity",{"title":814,"path":815,"stem":816},"JWT + Refresh Tokens (HttpOnly Cookie)","\u002Fcsharp\u002Faspnet\u002Fauth\u002F04b.identity-auth-jwt","01.csharp\u002F11.aspnet\u002F03.auth\u002F04b.identity-auth-jwt",{"title":818,"path":819,"stem":820},"Identity: Підтвердження Email та Скидання Пароля","\u002Fcsharp\u002Faspnet\u002Fauth\u002Fidentity-email-confirmation","01.csharp\u002F11.aspnet\u002F03.auth\u002F05.identity-email-confirmation",{"title":822,"path":823,"stem":824},"Identity: Двофакторна Аутентифікація (2FA)","\u002Fcsharp\u002Faspnet\u002Fauth\u002Fidentity-two-factor","01.csharp\u002F11.aspnet\u002F03.auth\u002F06.identity-two-factor",{"title":826,"path":827,"stem":828},"Identity: Внутрішня Архітектура та Кастомізація","\u002Fcsharp\u002Faspnet\u002Fauth\u002Fidentity-internals","01.csharp\u002F11.aspnet\u002F03.auth\u002F07.identity-internals",{"title":830,"path":831,"stem":832},"OAuth 2.0 та зовнішні провайдери","\u002Fcsharp\u002Faspnet\u002Fauth\u002Foauth-external-providers","01.csharp\u002F11.aspnet\u002F03.auth\u002F08.oauth-external-providers",{"title":834,"path":835,"stem":836},"Безпека на практиці: CORS, HTTPS та захист від атак","\u002Fcsharp\u002Faspnet\u002Fauth\u002Fsecurity-hardening","01.csharp\u002F11.aspnet\u002F03.auth\u002F09.security-hardening",{"title":838,"path":839,"stem":840},"Теорія OAuth 2.0: Поняття, Аналогії та Флоу","\u002Fcsharp\u002Faspnet\u002Fauth\u002Foauth-theory","01.csharp\u002F11.aspnet\u002F03.auth\u002F10.oauth-theory",{"title":842,"path":843,"stem":844},"OIDC, OAuth 2.0 та Keycloak в ASP.NET Core","\u002Fcsharp\u002Faspnet\u002Fauth\u002Foidc-keycloak","01.csharp\u002F11.aspnet\u002F03.auth\u002F10.oidc-keycloak",{"title":846,"path":847,"stem":848},"API Keys аутентифікація в ASP.NET Core","\u002Fcsharp\u002Faspnet\u002Fauth\u002Fapi-keys","01.csharp\u002F11.aspnet\u002F03.auth\u002F11.api-keys",{"title":850,"path":851,"stem":852},"Rate Limiting та Throttling в ASP.NET Core","\u002Fcsharp\u002Faspnet\u002Fauth\u002Frate-limiting","01.csharp\u002F11.aspnet\u002F03.auth\u002F12.rate-limiting",{"title":854,"path":855,"stem":856},"Refresh Token Rotation в ASP.NET Core","\u002Fcsharp\u002Faspnet\u002Fauth\u002Frefresh-token-rotation","01.csharp\u002F11.aspnet\u002F03.auth\u002F13.refresh-token-rotation",{"title":858,"path":859,"stem":860},"Certificate Authentication та mTLS в ASP.NET Core","\u002Fcsharp\u002Faspnet\u002Fauth\u002Fcertificate-auth","01.csharp\u002F11.aspnet\u002F03.auth\u002F14.certificate-auth",{"title":862,"path":863,"stem":864},"RBAC, ABAC та ReBAC в ASP.NET Core","\u002Fcsharp\u002Faspnet\u002Fauth\u002Frbac-abac-rebac","01.csharp\u002F11.aspnet\u002F03.auth\u002F15.rbac-abac-rebac",{"title":866,"path":867,"stem":868},"Multi-tenancy та ізоляція даних в ASP.NET Core","\u002Fcsharp\u002Faspnet\u002Fauth\u002Fmulti-tenancy","01.csharp\u002F11.aspnet\u002F03.auth\u002F16.multi-tenancy",{"title":870,"icon":871,"path":872,"stem":873,"children":874,"page":59},"Нотифікації","i-lucide-bell","\u002Fcsharp\u002Faspnet\u002Fnotifications","01.csharp\u002F11.aspnet\u002F04.notifications",[875,879,883,887,891,895,899,903,907,911,915,919,923],{"title":876,"path":877,"stem":878},"In-App нотифікації через базу даних","\u002Fcsharp\u002Faspnet\u002Fnotifications\u002Fin-app-database-notifications","01.csharp\u002F11.aspnet\u002F04.notifications\u002F01.in-app-database-notifications",{"title":880,"path":881,"stem":882},"Polling: Регулярний запит оновлень","\u002Fcsharp\u002Faspnet\u002Fnotifications\u002Fpolling","01.csharp\u002F11.aspnet\u002F04.notifications\u002F02.polling",{"title":884,"path":885,"stem":886},"Server-Sent Events: Однострімовий push від сервера","\u002Fcsharp\u002Faspnet\u002Fnotifications\u002Fserver-sent-events","01.csharp\u002F11.aspnet\u002F04.notifications\u002F03.server-sent-events",{"title":888,"path":889,"stem":890},"WebSockets: Двостороннє з'єднання в реальному часі","\u002Fcsharp\u002Faspnet\u002Fnotifications\u002Fwebsockets","01.csharp\u002F11.aspnet\u002F04.notifications\u002F04.websockets",{"title":892,"path":893,"stem":894},"SignalR: Абстракція над транспортами реального часу","\u002Fcsharp\u002Faspnet\u002Fnotifications\u002Fsignalr","01.csharp\u002F11.aspnet\u002F04.notifications\u002F05.signalr",{"title":896,"path":897,"stem":898},"Background Services: Фонові задачі в ASP.NET Core","\u002Fcsharp\u002Faspnet\u002Fnotifications\u002Fbackground-services","01.csharp\u002F11.aspnet\u002F04.notifications\u002F06.background-services",{"title":900,"path":901,"stem":902},"Web Push нотифікації","\u002Fcsharp\u002Faspnet\u002Fnotifications\u002Fweb-push","01.csharp\u002F11.aspnet\u002F04.notifications\u002F07.web-push",{"title":904,"path":905,"stem":906},"Email нотифікації","\u002Fcsharp\u002Faspnet\u002Fnotifications\u002Femail-notifications","01.csharp\u002F11.aspnet\u002F04.notifications\u002F08.email-notifications",{"title":908,"path":909,"stem":910},"Порівняння підходів: Як вибрати правильну технологію нотифікацій","\u002Fcsharp\u002Faspnet\u002Fnotifications\u002Fchoosing-the-right-approach","01.csharp\u002F11.aspnet\u002F04.notifications\u002F09.choosing-the-right-approach",{"title":912,"path":913,"stem":914},"Hangfire: Надійне планування фонових задач","\u002Fcsharp\u002Faspnet\u002Fnotifications\u002Fhangfire","01.csharp\u002F11.aspnet\u002F04.notifications\u002F10.hangfire",{"title":916,"path":917,"stem":918},"Практика: Конвертація зображень у WebP через Hangfire","\u002Fcsharp\u002Faspnet\u002Fnotifications\u002Fhangfire-image-webp","01.csharp\u002F11.aspnet\u002F04.notifications\u002F11.hangfire-image-webp",{"title":920,"path":921,"stem":922},"Практика: Підготовка відео до HLS-стрімінгу через Hangfire","\u002Fcsharp\u002Faspnet\u002Fnotifications\u002Fhangfire-video-hls","01.csharp\u002F11.aspnet\u002F04.notifications\u002F12.hangfire-video-hls",{"title":924,"path":925,"stem":926},"Telegram-нотифікації: від одного повідомлення до масових розсилок і мульти-канального підходу","\u002Fcsharp\u002Faspnet\u002Fnotifications\u002Ftelegram-notifications","01.csharp\u002F11.aspnet\u002F04.notifications\u002F13.telegram-notifications",{"title":928,"icon":929,"path":930,"stem":931,"children":932,"page":59},"Інтернаціоналізація","i-lucide-languages","\u002Fcsharp\u002Faspnet\u002Fi18n","01.csharp\u002F11.aspnet\u002F05.i18n",[933,937],{"title":934,"path":935,"stem":936},"Інтернаціоналізація (i18n) у Minimal API: від A до Я","\u002Fcsharp\u002Faspnet\u002Fi18n\u002Finternationalization","01.csharp\u002F11.aspnet\u002F05.i18n\u002F01.internationalization",{"title":938,"path":939,"stem":940},"Humanizer: людиномовні рядки у .NET","\u002Fcsharp\u002Faspnet\u002Fi18n\u002Fhumanizer","01.csharp\u002F11.aspnet\u002F05.i18n\u002F02.humanizer",{"title":942,"icon":943,"path":944,"stem":945,"children":946,"page":59},"Кешування","i-lucide-layers","\u002Fcsharp\u002Faspnet\u002Fcaching","01.csharp\u002F11.aspnet\u002F06.caching",[947,951,955,959,963],{"title":948,"path":949,"stem":950},"Огляд кешування: чотири рівні і коли що обирати","\u002Fcsharp\u002Faspnet\u002Fcaching\u002Fcaching","01.csharp\u002F11.aspnet\u002F06.caching\u002F01.caching",{"title":952,"path":953,"stem":954},"IMemoryCache: кеш в оперативній пам'яті","\u002Fcsharp\u002Faspnet\u002Fcaching\u002Fmemory-cache","01.csharp\u002F11.aspnet\u002F06.caching\u002F02.memory-cache",{"title":956,"path":957,"stem":958},"IDistributedCache і Redis: розподілений кеш","\u002Fcsharp\u002Faspnet\u002Fcaching\u002Fdistributed-cache","01.csharp\u002F11.aspnet\u002F06.caching\u002F03.distributed-cache",{"title":960,"path":961,"stem":962},"Response Cache: HTTP-кешування через Cache-Control","\u002Fcsharp\u002Faspnet\u002Fcaching\u002Fresponse-cache","01.csharp\u002F11.aspnet\u002F06.caching\u002F04.response-cache",{"title":964,"path":965,"stem":966},"Output Cache: серверний кеш HTTP-відповідей (.NET 7+)","\u002Fcsharp\u002Faspnet\u002Fcaching\u002Foutput-cache","01.csharp\u002F11.aspnet\u002F06.caching\u002F05.output-cache",{"title":968,"icon":969,"path":970,"stem":971,"children":972,"page":59},"Тестування","i-lucide-test-tube","\u002Fcsharp\u002Faspnet\u002Ftesting","01.csharp\u002F11.aspnet\u002F07.testing",[973,977,981,985,989,993,997,1001,1005,1009,1013,1017,1021,1025,1029,1033,1037,1041,1045,1049,1053],{"title":974,"path":975,"stem":976},"Що таке тестування? Від інтуїції до науки","\u002Fcsharp\u002Faspnet\u002Ftesting\u002Fwhat-is-testing","01.csharp\u002F11.aspnet\u002F07.testing\u002F01.what-is-testing",{"title":978,"path":979,"stem":980},"Піраміда тестування — Стратегія, а не Догма","\u002Fcsharp\u002Faspnet\u002Ftesting\u002Ftesting-pyramid","01.csharp\u002F11.aspnet\u002F07.testing\u002F02.testing-pyramid",{"title":982,"path":983,"stem":984},"Дві Школи Тестування — Лондон проти Детройту","\u002Fcsharp\u002Faspnet\u002Ftesting\u002Ftesting-schools","01.csharp\u002F11.aspnet\u002F07.testing\u002F03.testing-schools",{"title":986,"path":987,"stem":988},"TDD та BDD — Тести як Дизайн-інструмент","\u002Fcsharp\u002Faspnet\u002Ftesting\u002Ftdd-and-bdd","01.csharp\u002F11.aspnet\u002F07.testing\u002F04.tdd-and-bdd",{"title":990,"path":991,"stem":992},"Що саме тестувати — Техніки аналізу та Циклomatична складність","\u002Fcsharp\u002Faspnet\u002Ftesting\u002Fwhat-to-test","01.csharp\u002F11.aspnet\u002F07.testing\u002F05.what-to-test",{"title":994,"path":995,"stem":996},"Тестові Фреймворки — Навіщо вони і що всередині","\u002Fcsharp\u002Faspnet\u002Ftesting\u002Ftest-frameworks","01.csharp\u002F11.aspnet\u002F07.testing\u002F06.test-frameworks",{"title":998,"path":999,"stem":1000},"xUnit — Факти, Теорії та Lifecycle тестів","\u002Fcsharp\u002Faspnet\u002Ftesting\u002Fxunit-basics","01.csharp\u002F11.aspnet\u002F07.testing\u002F07.xunit-basics",{"title":1002,"path":1003,"stem":1004},"xUnit Advanced — Fixtures, Кастомізація та Розширення","\u002Fcsharp\u002Faspnet\u002Ftesting\u002Fxunit-advanced","01.csharp\u002F11.aspnet\u002F07.testing\u002F08.xunit-advanced",{"title":1006,"path":1007,"stem":1008},"Moq — Глибоке занурення в мокування","\u002Fcsharp\u002Faspnet\u002Ftesting\u002Fmocking-with-moq","01.csharp\u002F11.aspnet\u002F07.testing\u002F09.mocking-with-moq",{"title":1010,"path":1011,"stem":1012},"Тестування Баз Даних — EF Core, SQLite та Testcontainers","\u002Fcsharp\u002Faspnet\u002Ftesting\u002Fdatabase-testing","01.csharp\u002F11.aspnet\u002F07.testing\u002F10.database-testing",{"title":1014,"path":1015,"stem":1016},"Integration Testing — Частина 1 [Теорія та WebApplicationFactory]","\u002Fcsharp\u002Faspnet\u002Ftesting\u002Fintegration-testing","01.csharp\u002F11.aspnet\u002F07.testing\u002F11.integration-testing",{"title":1018,"path":1019,"stem":1020},"Інтеграційне тестування — Практика","\u002Fcsharp\u002Faspnet\u002Ftesting\u002F11a.integration-testing-practice","01.csharp\u002F11.aspnet\u002F07.testing\u002F11a.integration-testing-practice",{"title":1022,"path":1023,"stem":1024},"Integration Testing — Частина 2 [Просунуті Сценарії та Testcontainers]","\u002Fcsharp\u002Faspnet\u002Ftesting\u002Fintegration-testing-advanced","01.csharp\u002F11.aspnet\u002F07.testing\u002F12.integration-testing-advanced",{"title":1026,"path":1027,"stem":1028},"Професійний Postman: Колекції, Змінні та GitHub Інтеграція","\u002Fcsharp\u002Faspnet\u002Ftesting\u002Fpostman-professional","01.csharp\u002F11.aspnet\u002F07.testing\u002F13.postman-professional",{"title":1030,"path":1031,"stem":1032},"HttpClient у Тестах Частина 1: Архітектура та MockHttpMessageHandler","\u002Fcsharp\u002Faspnet\u002Ftesting\u002Fhttpclient-testing","01.csharp\u002F11.aspnet\u002F07.testing\u002F14.httpclient-testing",{"title":1034,"path":1035,"stem":1036},"HttpClient у Тестах Частина 2: WireMock.Net та Resilience","\u002Fcsharp\u002Faspnet\u002Ftesting\u002Fwiremock-net","01.csharp\u002F11.aspnet\u002F07.testing\u002F15.wiremock-net",{"title":1038,"path":1039,"stem":1040},"Патерни та Анти-патерни Тестування: Test Smells","\u002Fcsharp\u002Faspnet\u002Ftesting\u002Ftesting-patterns","01.csharp\u002F11.aspnet\u002F07.testing\u002F16.testing-patterns",{"title":1042,"path":1043,"stem":1044},"Просунуті інструменти: Time, Snapshots та Властивості","\u002Fcsharp\u002Faspnet\u002Ftesting\u002Fadvanced-testing-tools","01.csharp\u002F11.aspnet\u002F07.testing\u002F17.advanced-testing-tools",{"title":1046,"path":1047,"stem":1048},"Тестування Архітектури з NetArchTest","\u002Fcsharp\u002Faspnet\u002Ftesting\u002Farchitecture-testing","01.csharp\u002F11.aspnet\u002F07.testing\u002F18.architecture-testing",{"title":1050,"path":1051,"stem":1052},"Тестування Продуктивності: BenchmarkDotNet, NBomber та k6","\u002Fcsharp\u002Faspnet\u002Ftesting\u002Fperformance-testing","01.csharp\u002F11.aspnet\u002F07.testing\u002F19.performance-testing",{"title":1054,"path":1055,"stem":1056},"Залишок плану для курсу \"Тестування ASP.NET Minimal API\"","\u002Fcsharp\u002Faspnet\u002Ftesting\u002Fremaining_plan","01.csharp\u002F11.aspnet\u002F07.testing\u002Fremaining_plan",{"title":1058,"icon":1059,"path":1060,"stem":1061,"children":1062,"page":59},"Платежі","i-lucide-credit-card","\u002Fcsharp\u002Faspnet\u002Fpayments","01.csharp\u002F11.aspnet\u002F08.payments",[1063,1067,1071,1075,1079,1083,1087,1091,1095,1099,1103,1107],{"title":1064,"path":1065,"stem":1066},"Основи платіжної інфраструктури","\u002Fcsharp\u002Faspnet\u002Fpayments\u002Fpayment-fundamentals","01.csharp\u002F11.aspnet\u002F08.payments\u002F01.payment-fundamentals",{"title":1068,"path":1069,"stem":1070},"Методи оплати в Україні","\u002Fcsharp\u002Faspnet\u002Fpayments\u002Fpayment-methods-ukraine","01.csharp\u002F11.aspnet\u002F08.payments\u002F02.payment-methods-ukraine",{"title":1072,"path":1073,"stem":1074},"PCI DSS та безпека платежів","\u002Fcsharp\u002Faspnet\u002Fpayments\u002Fpci-dss-security","01.csharp\u002F11.aspnet\u002F08.payments\u002F03.pci-dss-security",{"title":1076,"path":1077,"stem":1078},"Архітектура платіжної підсистеми","\u002Fcsharp\u002Faspnet\u002Fpayments\u002Fpayment-architecture","01.csharp\u002F11.aspnet\u002F08.payments\u002F04.payment-architecture",{"title":1080,"path":1081,"stem":1082},"Інтеграція LiqPay (ПриватБанк)","\u002Fcsharp\u002Faspnet\u002Fpayments\u002Fliqpay-integration","01.csharp\u002F11.aspnet\u002F08.payments\u002F05.liqpay-integration",{"title":1084,"path":1085,"stem":1086},"Інтеграція Monobank Acquiring API","\u002Fcsharp\u002Faspnet\u002Fpayments\u002Fmonobank-acquiring","01.csharp\u002F11.aspnet\u002F08.payments\u002F06.monobank-acquiring",{"title":1088,"path":1089,"stem":1090},"Інтеграція Stripe","\u002Fcsharp\u002Faspnet\u002Fpayments\u002Fstripe-integration","01.csharp\u002F11.aspnet\u002F08.payments\u002F07.stripe-integration",{"title":1092,"path":1093,"stem":1094},"Webhooks — глибоке занурення","\u002Fcsharp\u002Faspnet\u002Fpayments\u002Fwebhooks-deep-dive","01.csharp\u002F11.aspnet\u002F08.payments\u002F08.webhooks-deep-dive",{"title":1096,"path":1097,"stem":1098},"Підписки та рекурентні платежі","\u002Fcsharp\u002Faspnet\u002Fpayments\u002Fsubscriptions-recurring","01.csharp\u002F11.aspnet\u002F08.payments\u002F09.subscriptions-recurring",{"title":1100,"path":1101,"stem":1102},"Повернення коштів та диспути","\u002Fcsharp\u002Faspnet\u002Fpayments\u002Frefunds-disputes","01.csharp\u002F11.aspnet\u002F08.payments\u002F10.refunds-disputes",{"title":1104,"path":1105,"stem":1106},"Тестування платіжних інтеграцій","\u002Fcsharp\u002Faspnet\u002Fpayments\u002Ftesting-payments","01.csharp\u002F11.aspnet\u002F08.payments\u002F11.testing-payments",{"title":1108,"path":1109,"stem":1110},"Чекліст виходу в Production","\u002Fcsharp\u002Faspnet\u002Fpayments\u002Fproduction-checklist","01.csharp\u002F11.aspnet\u002F08.payments\u002F12.production-checklist",{"title":1112,"icon":1113,"items":1114,"path":1127,"stem":1128,"children":1129,"page":59},"Популярні бібліотеки","lucide:box",[1115,1116,1117,1118,1119,1120,1121,1122,1123,1124,1125,1126],"01.fluent-validation","02.mapster","03.erroror-result-pattern","04.serilog","05.mediatr","06.polly","07.health-checks","08.feature-management","09.fluent-email","10.quest-pdf","11.bogus","12.humanizer-guard","\u002Fcsharp\u002Faspnet\u002Flibraries","01.csharp\u002F11.aspnet\u002F09.libraries",[1130,1134,1138,1142,1146,1150,1154,1158,1162,1166,1170,1174,1178],{"title":1131,"path":1132,"stem":1133},"Валідація з FluentValidation в ASP.NET Core","\u002Fcsharp\u002Faspnet\u002Flibraries\u002Ffluent-validation","01.csharp\u002F11.aspnet\u002F09.libraries\u002F01.fluent-validation",{"title":1135,"path":1136,"stem":1137},"Маппінг об","\u002Fcsharp\u002Faspnet\u002Flibraries\u002Fmapster","01.csharp\u002F11.aspnet\u002F09.libraries\u002F02.mapster",{"title":1139,"path":1140,"stem":1141},"Обробка помилок з ErrorOr та Result Pattern в ASP.NET Core","\u002Fcsharp\u002Faspnet\u002Flibraries\u002Ferroror-result-pattern","01.csharp\u002F11.aspnet\u002F09.libraries\u002F03.erroror-result-pattern",{"title":1143,"path":1144,"stem":1145},"Структуроване логування з Serilog в ASP.NET Core","\u002Fcsharp\u002Faspnet\u002Flibraries\u002Fserilog","01.csharp\u002F11.aspnet\u002F09.libraries\u002F04.serilog",{"title":1147,"path":1148,"stem":1149},"CQRS та Mediator з MediatR в ASP.NET Core","\u002Fcsharp\u002Faspnet\u002Flibraries\u002Fmediatr","01.csharp\u002F11.aspnet\u002F09.libraries\u002F05.mediatr",{"title":1151,"path":1152,"stem":1153},"Відмовостійкість з Polly в ASP.NET Core","\u002Fcsharp\u002Faspnet\u002Flibraries\u002Fpolly","01.csharp\u002F11.aspnet\u002F09.libraries\u002F06.polly",{"title":1155,"path":1156,"stem":1157},"Health Checks в ASP.NET Core","\u002Fcsharp\u002Faspnet\u002Flibraries\u002Fhealth-checks","01.csharp\u002F11.aspnet\u002F09.libraries\u002F07.health-checks",{"title":1159,"path":1160,"stem":1161},"Feature Management та Feature Flags в ASP.NET Core","\u002Fcsharp\u002Faspnet\u002Flibraries\u002Ffeature-management","01.csharp\u002F11.aspnet\u002F09.libraries\u002F08.feature-management",{"title":1163,"path":1164,"stem":1165},"Відправка Email з FluentEmail в ASP.NET Core","\u002Fcsharp\u002Faspnet\u002Flibraries\u002Ffluent-email","01.csharp\u002F11.aspnet\u002F09.libraries\u002F09.fluent-email",{"title":1167,"path":1168,"stem":1169},"Генерація PDF з QuestPDF в ASP.NET Core","\u002Fcsharp\u002Faspnet\u002Flibraries\u002Fquest-pdf","01.csharp\u002F11.aspnet\u002F09.libraries\u002F10.quest-pdf",{"title":1171,"path":1172,"stem":1173},"Генерація тестових даних з Bogus в ASP.NET Core","\u002Fcsharp\u002Faspnet\u002Flibraries\u002Fbogus","01.csharp\u002F11.aspnet\u002F09.libraries\u002F11.bogus",{"title":1175,"path":1176,"stem":1177},"Humanizer та Guard Clauses в ASP.NET Core","\u002Fcsharp\u002Faspnet\u002Flibraries\u002Fhumanizer-guard","01.csharp\u002F11.aspnet\u002F09.libraries\u002F12.humanizer-guard",{"title":1179,"path":1180,"stem":1181},"План модуля 10.libraries — Популярні бібліотеки ASP.NET","\u002Fcsharp\u002Faspnet\u002Flibraries\u002Fplan","01.csharp\u002F11.aspnet\u002F09.libraries\u002Fplan",{"title":1183,"icon":1184,"path":1185,"stem":1186,"children":1187,"page":59},"Razor Pages","i-lucide-layout-template","\u002Fcsharp\u002Faspnet\u002Frazor-pages","01.csharp\u002F11.aspnet\u002F10.razor-pages",[1188,1192,1196,1200,1204,1208],{"title":1189,"path":1190,"stem":1191},"Від Minimal API до Razor Pages: концептуальний перехід","\u002Fcsharp\u002Faspnet\u002Frazor-pages\u002Ffrom-minimal-api","01.csharp\u002F11.aspnet\u002F10.razor-pages\u002F01.from-minimal-api",{"title":1193,"path":1194,"stem":1195},"PageModel: логіка сторінки Razor Pages","\u002Fcsharp\u002Faspnet\u002Frazor-pages\u002Fpage-model","01.csharp\u002F11.aspnet\u002F10.razor-pages\u002F02.page-model",{"title":1197,"path":1198,"stem":1199},"Razor синтаксис: шаблонізатор у .cshtml","\u002Fcsharp\u002Faspnet\u002Frazor-pages\u002Frazor-syntax","01.csharp\u002F11.aspnet\u002F10.razor-pages\u002F03.razor-syntax",{"title":1201,"path":1202,"stem":1203},"Tag Helpers: типізований HTML","\u002Fcsharp\u002Faspnet\u002Frazor-pages\u002Ftag-helpers","01.csharp\u002F11.aspnet\u002F10.razor-pages\u002F04.tag-helpers",{"title":1205,"path":1206,"stem":1207},"Форми і валідація: повний цикл обробки даних","\u002Fcsharp\u002Faspnet\u002Frazor-pages\u002Fforms-validation","01.csharp\u002F11.aspnet\u002F10.razor-pages\u002F05.forms-validation",{"title":1209,"path":1210,"stem":1211},"Практичний проєкт: TaskManager на Razor Pages","\u002Fcsharp\u002Faspnet\u002Frazor-pages\u002Fproject-task-manager","01.csharp\u002F11.aspnet\u002F10.razor-pages\u002F06.project-task-manager",{"title":1213,"path":1214,"stem":1215,"children":1216,"page":59},"ASP.NET Core MVC","\u002Fcsharp\u002Faspnet\u002Fmvc","01.csharp\u002F11.aspnet\u002F11.mvc",[1217,1221,1225,1229,1233,1237,1241,1245,1249,1253,1257,1261,1265,1269,1273,1277,1281,1285],{"title":1218,"path":1219,"stem":1220},"Патерн MVC: архітектура, що змінила веб","\u002Fcsharp\u002Faspnet\u002Fmvc\u002Fmvc-pattern","01.csharp\u002F11.aspnet\u002F11.mvc\u002F01.mvc-pattern",{"title":1222,"path":1223,"stem":1224},"Від Razor Pages до MVC: концептуальний перехід","\u002Fcsharp\u002Faspnet\u002Fmvc\u002Ffrom-razor-pages","01.csharp\u002F11.aspnet\u002F11.mvc\u002F02.from-razor-pages",{"title":1226,"path":1227,"stem":1228},"Controllers та Actions: серце MVC","\u002Fcsharp\u002Faspnet\u002Fmvc\u002Fcontrollers-actions","01.csharp\u002F11.aspnet\u002F11.mvc\u002F03.controllers-actions",{"title":1230,"path":1231,"stem":1232},"Маршрутизація в MVC: Convention vs Attribute Routing","\u002Fcsharp\u002Faspnet\u002Fmvc\u002Frouting-mvc","01.csharp\u002F11.aspnet\u002F11.mvc\u002F04.routing-mvc",{"title":1234,"path":1235,"stem":1236},"Model Binding: від HTTP до C#","\u002Fcsharp\u002Faspnet\u002Fmvc\u002Fmodel-binding","01.csharp\u002F11.aspnet\u002F11.mvc\u002F05.model-binding",{"title":1238,"path":1239,"stem":1240},"Views, ViewData, ViewBag, TempData і ViewModel","\u002Fcsharp\u002Faspnet\u002Fmvc\u002Fviews-viewdata-tempdata","01.csharp\u002F11.aspnet\u002F11.mvc\u002F06.views-viewdata-tempdata",{"title":1242,"path":1243,"stem":1244},"Filters: аспектно-орієнтоване програмування в MVC","\u002Fcsharp\u002Faspnet\u002Fmvc\u002Ffilters","01.csharp\u002F11.aspnet\u002F11.mvc\u002F07.filters",{"title":1246,"path":1247,"stem":1248},"Areas: структурування великих застосунків","\u002Fcsharp\u002Faspnet\u002Fmvc\u002Fareas","01.csharp\u002F11.aspnet\u002F11.mvc\u002F08.areas",{"title":1250,"path":1251,"stem":1252},"View Components: повторювані незалежні блоки UI","\u002Fcsharp\u002Faspnet\u002Fmvc\u002Fview-components","01.csharp\u002F11.aspnet\u002F11.mvc\u002F09.view-components",{"title":1254,"path":1255,"stem":1256},"Display та Editor Templates","\u002Fcsharp\u002Faspnet\u002Fmvc\u002Fdisplay-editor-templates","01.csharp\u002F11.aspnet\u002F11.mvc\u002F10.display-editor-templates",{"title":1258,"path":1259,"stem":1260},"Валідація: IValidatableObject та FluentValidation","\u002Fcsharp\u002Faspnet\u002Fmvc\u002Fvalidation-advanced","01.csharp\u002F11.aspnet\u002F11.mvc\u002F11.validation-advanced",{"title":1262,"path":1263,"stem":1264},"HTMX: інтерактивність через HTML-атрибути","\u002Fcsharp\u002Faspnet\u002Fmvc\u002Fhtmx","01.csharp\u002F11.aspnet\u002F11.mvc\u002F12.htmx",{"title":1266,"path":1267,"stem":1268},"HTMX у ASP.NET Core MVC: серверна інтеграція","\u002Fcsharp\u002Faspnet\u002Fmvc\u002Fajax-htmx-mvc","01.csharp\u002F11.aspnet\u002F11.mvc\u002F13.ajax-htmx-mvc",{"title":1270,"path":1271,"stem":1272},"Практичний проєкт: Каталог товарів з HTMX","\u002Fcsharp\u002Faspnet\u002Fmvc\u002Fhtmx-project","01.csharp\u002F11.aspnet\u002F11.mvc\u002F14.htmx-project",{"title":1274,"path":1275,"stem":1276},"Завантаження та обробка файлів","\u002Fcsharp\u002Faspnet\u002Fmvc\u002Ffile-upload","01.csharp\u002F11.aspnet\u002F11.mvc\u002F15.file-upload",{"title":1278,"path":1279,"stem":1280},"Глобалізація та Локалізація MVC","\u002Fcsharp\u002Faspnet\u002Fmvc\u002Fglobalization-localization","01.csharp\u002F11.aspnet\u002F11.mvc\u002F16.globalization-localization",{"title":1282,"path":1283,"stem":1284},"Підсумковий проєкт: Блог-платформа","\u002Fcsharp\u002Faspnet\u002Fmvc\u002Fmvc-project","01.csharp\u002F11.aspnet\u002F11.mvc\u002F17.mvc-project",{"title":1286,"path":1287,"stem":1288},"План курсу: ASP.NET Core MVC","\u002Fcsharp\u002Faspnet\u002Fmvc\u002Fplan","01.csharp\u002F11.aspnet\u002F11.mvc\u002Fplan",{"title":1290,"path":1291,"stem":1292,"children":1293,"page":59},"Web Api","\u002Fcsharp\u002Faspnet\u002Fweb-api","01.csharp\u002F11.aspnet\u002F12.web-api",[1294,1298,1302,1306,1310,1314,1318,1322,1326,1330,1334,1338,1342],{"title":1295,"path":1296,"stem":1297},"Від Minimal API до Controller-based API","\u002Fcsharp\u002Faspnet\u002Fweb-api\u002Ffrom-minimal-api-to-controllers","01.csharp\u002F11.aspnet\u002F12.web-api\u002F01.from-minimal-api-to-controllers",{"title":1299,"path":1300,"stem":1301},"ControllerBase, ActionResult\u003CT> та Response Types","\u002Fcsharp\u002Faspnet\u002Fweb-api\u002Fcontroller-base-actionresult","01.csharp\u002F11.aspnet\u002F12.web-api\u002F02.controller-base-actionresult",{"title":1303,"path":1304,"stem":1305},"Content Negotiation - JSON, XML та власні форматери","\u002Fcsharp\u002Faspnet\u002Fweb-api\u002Fcontent-negotiation","01.csharp\u002F11.aspnet\u002F12.web-api\u002F03.content-negotiation",{"title":1307,"path":1308,"stem":1309},"Версіонування API","\u002Fcsharp\u002Faspnet\u002Fweb-api\u002Fapi-versioning","01.csharp\u002F11.aspnet\u002F12.web-api\u002F04.api-versioning",{"title":1311,"path":1312,"stem":1313},"ProblemDetails та структурована обробка помилок","\u002Fcsharp\u002Faspnet\u002Fweb-api\u002Fproblemdetails-error-handling","01.csharp\u002F11.aspnet\u002F12.web-api\u002F05.problemdetails-error-handling",{"title":1315,"path":1316,"stem":1317},"Фільтри у Web API контексті","\u002Fcsharp\u002Faspnet\u002Fweb-api\u002Ffilters-for-api","01.csharp\u002F11.aspnet\u002F12.web-api\u002F06.filters-for-api",{"title":1319,"path":1320,"stem":1321},"Пагінація, фільтрація та сортування","\u002Fcsharp\u002Faspnet\u002Fweb-api\u002Fpagination-filtering-sorting","01.csharp\u002F11.aspnet\u002F12.web-api\u002F07.pagination-filtering-sorting",{"title":1323,"path":1324,"stem":1325},"HATEOAS та Resource Expansion","\u002Fcsharp\u002Faspnet\u002Fweb-api\u002Fhateoas-resource-expansion","01.csharp\u002F11.aspnet\u002F12.web-api\u002F08.hateoas-resource-expansion",{"title":1327,"path":1328,"stem":1329},"Гібридна архітектура - Minimal API + Controllers","\u002Fcsharp\u002Faspnet\u002Fweb-api\u002Fminimal-api-vs-controllers-hybrid","01.csharp\u002F11.aspnet\u002F12.web-api\u002F09.minimal-api-vs-controllers-hybrid",{"title":1331,"path":1332,"stem":1333},"Документація API - Swashbuckle, NSwag та генерація клієнтів","\u002Fcsharp\u002Faspnet\u002Fweb-api\u002Fapi-documentation-generation","01.csharp\u002F11.aspnet\u002F12.web-api\u002F10.api-documentation-generation",{"title":1335,"path":1336,"stem":1337},"Health Checks та моніторинг API","\u002Fcsharp\u002Faspnet\u002Fweb-api\u002Fhealth-checks-monitoring","01.csharp\u002F11.aspnet\u002F12.web-api\u002F11.health-checks-monitoring",{"title":1339,"path":1340,"stem":1341},"Підсумковий проєкт - Production-Ready REST API","\u002Fcsharp\u002Faspnet\u002Fweb-api\u002Fweb-api-project","01.csharp\u002F11.aspnet\u002F12.web-api\u002F12.web-api-project",{"title":1343,"path":1344,"stem":1345},"План курсу: ASP.NET Core Web API (Controllers)","\u002Fcsharp\u002Faspnet\u002Fweb-api\u002Fplan","01.csharp\u002F11.aspnet\u002F12.web-api\u002Fplan",{"title":1347,"icon":1348,"path":1349,"stem":1350,"children":1351,"page":59},"Моніторинг","i-lucide-activity","\u002Fcsharp\u002Faspnet\u002Fmonitoring","01.csharp\u002F11.aspnet\u002F13.monitoring",[1352,1356,1360],{"title":1353,"path":1354,"stem":1355},"Спостережуваність: від console.log до production-систем","\u002Fcsharp\u002Faspnet\u002Fmonitoring\u002Fobservability-intro","01.csharp\u002F11.aspnet\u002F13.monitoring\u002F01.observability-intro",{"title":1357,"path":1358,"stem":1359},"Health Checks: перший рівень observability","\u002Fcsharp\u002Faspnet\u002Fmonitoring\u002Fhealth-checks","01.csharp\u002F11.aspnet\u002F13.monitoring\u002F02.health-checks",{"title":1361,"path":1362,"stem":1363},"Вбудовані метрики .NET 10 та System.Diagnostics.Metrics","\u002Fcsharp\u002Faspnet\u002Fmonitoring\u002Fdotnet-metrics","01.csharp\u002F11.aspnet\u002F13.monitoring\u002F03.dotnet-metrics",{"title":1365,"icon":1366,"path":1367,"stem":1368,"children":1369,"page":59},"Desktop UI","i-lucide-app-window","\u002Fcsharp\u002Fdesktop-ui","01.csharp\u002F12.desktop-ui",[1370,1374,1378,1382,1386,1390,1394,1398,1402,1406,1410,1414,1418,1422,1426,1430,1434,1438,1442,1446,1450,1454,1458,1462,1466,1470,1474,1478,1482,1486,1490,1494,1498,1502,1506,1510,1514,1518,1522,1526,1530,1534,1538,1542,1546,1550,1554,1558,1562,1566,1570,1574,1578,1582,1586,1590,1594,1598,1602,1606,1610,1614,1618,1622,1626,1630,1634,1638,1642,1646,1650],{"title":1371,"path":1372,"stem":1373},"Що таке десктопна розробка?","\u002Fcsharp\u002Fdesktop-ui\u002Fwhat-is-desktop-dev","01.csharp\u002F12.desktop-ui\u002F01.what-is-desktop-dev",{"title":1375,"path":1376,"stem":1377},"Архітектура WPF — як влаштований графічний інтерфейс","\u002Fcsharp\u002Fdesktop-ui\u002Fwpf-architecture","01.csharp\u002F12.desktop-ui\u002F02.wpf-architecture",{"title":1379,"path":1380,"stem":1381},"Перший WPF-проєкт — від нуля до вікна","\u002Fcsharp\u002Fdesktop-ui\u002Ffirst-wpf-app","01.csharp\u002F12.desktop-ui\u002F03.first-wpf-app",{"title":1383,"path":1384,"stem":1385},"Перший Avalonia-проєкт: WPF для всіх платформ","\u002Fcsharp\u002Fdesktop-ui\u002F03a.first-avalonia-app","01.csharp\u002F12.desktop-ui\u002F03a.first-avalonia-app",{"title":1387,"path":1388,"stem":1389},"XAML: декларативний інтерфейс","\u002Fcsharp\u002Fdesktop-ui\u002Fxaml-basics","01.csharp\u002F12.desktop-ui\u002F04.xaml-basics",{"title":1391,"path":1392,"stem":1393},"Fluent UI у WPF — сучасний дизайн Windows 11","\u002Fcsharp\u002Fdesktop-ui\u002F04a.wpf-fluent-ui","01.csharp\u002F12.desktop-ui\u002F04a.wpf-fluent-ui",{"title":1395,"path":1396,"stem":1397},"WPF UI — сучасна бібліотека Fluent контролів","\u002Fcsharp\u002Fdesktop-ui\u002F04b.wpf-ui-library","01.csharp\u002F12.desktop-ui\u002F04b.wpf-ui-library",{"title":1399,"path":1400,"stem":1401},"HandyControl — велика бібліотека UI контролів для WPF","\u002Fcsharp\u002Fdesktop-ui\u002F04c.handycontrol-library","01.csharp\u002F12.desktop-ui\u002F04c.handycontrol-library",{"title":1403,"path":1404,"stem":1405},"Простори імен та ресурси XAML","\u002Fcsharp\u002Fdesktop-ui\u002Fxaml-namespaces-resources","01.csharp\u002F12.desktop-ui\u002F05.xaml-namespaces-resources",{"title":1407,"path":1408,"stem":1409},"XAML в Avalonia: ключові відмінності від WPF","\u002Fcsharp\u002Fdesktop-ui\u002F05a.avalonia-xaml-differences","01.csharp\u002F12.desktop-ui\u002F05a.avalonia-xaml-differences",{"title":1411,"path":1412,"stem":1413},"Розширення розмітки XAML (Markup Extensions)","\u002Fcsharp\u002Fdesktop-ui\u002Fxaml-markup-extensions","01.csharp\u002F12.desktop-ui\u002F06.xaml-markup-extensions",{"title":1415,"path":1416,"stem":1417},"Панелі Layout: StackPanel, WrapPanel, DockPanel","\u002Fcsharp\u002Fdesktop-ui\u002Flayout-panels-part1","01.csharp\u002F12.desktop-ui\u002F07.layout-panels-part1",{"title":1419,"path":1420,"stem":1421},"Grid, Canvas, UniformGrid","\u002Fcsharp\u002Fdesktop-ui\u002Flayout-panels-part2","01.csharp\u002F12.desktop-ui\u002F07.layout-panels-part2",{"title":1423,"path":1424,"stem":1425},"Просунуті техніки Layout","\u002Fcsharp\u002Fdesktop-ui\u002Flayout-advanced","01.csharp\u002F12.desktop-ui\u002F08.layout-advanced",{"title":1427,"path":1428,"stem":1429},"Адаптивний Layout та найкращі практики","\u002Fcsharp\u002Fdesktop-ui\u002Flayout-responsive","01.csharp\u002F12.desktop-ui\u002F09.layout-responsive",{"title":1431,"path":1432,"stem":1433},"Layout в Avalonia: відмінності та нові можливості","\u002Fcsharp\u002Fdesktop-ui\u002F09a.layout-avalonia","01.csharp\u002F12.desktop-ui\u002F09a.layout-avalonia",{"title":1435,"path":1436,"stem":1437},"Button, Image, ProgressBar та інші базові контроли","\u002Fcsharp\u002Fdesktop-ui\u002Fbasic-controls","01.csharp\u002F12.desktop-ui\u002F10.basic-controls",{"title":1439,"path":1440,"stem":1441},"Контроли в Avalonia: відмінності від WPF","\u002Fcsharp\u002Fdesktop-ui\u002F10a.controls-avalonia","01.csharp\u002F12.desktop-ui\u002F10a.controls-avalonia",{"title":1443,"path":1444,"stem":1445},"Текстові контроли — TextBlock, TextBox, RichTextBox","\u002Fcsharp\u002Fdesktop-ui\u002Ftext-controls","01.csharp\u002F12.desktop-ui\u002F11.text-controls",{"title":1447,"path":1448,"stem":1449},"Контроли вибору — CheckBox, RadioButton, ComboBox, ListBox, DatePicker","\u002Fcsharp\u002Fdesktop-ui\u002Fselection-controls","01.csharp\u002F12.desktop-ui\u002F12.selection-controls",{"title":1451,"path":1452,"stem":1453},"Content Model — GroupBox, Expander, TabControl, StatusBar","\u002Fcsharp\u002Fdesktop-ui\u002Fcontent-controls","01.csharp\u002F12.desktop-ui\u002F13.content-controls",{"title":1455,"path":1456,"stem":1457},"UI\u002FUX принципи десктопних застосунків","\u002Fcsharp\u002Fdesktop-ui\u002F13a.ui-ux-principles","01.csharp\u002F12.desktop-ui\u002F13a.ui-ux-principles",{"title":1459,"path":1460,"stem":1461},"Dependency Properties — Концепція та Value Resolution","\u002Fcsharp\u002Fdesktop-ui\u002Fdependency-properties-part1","01.csharp\u002F12.desktop-ui\u002F14.dependency-properties-part1",{"title":1463,"path":1464,"stem":1465},"Avalonia Property System — StyledProperty та DirectProperty","\u002Fcsharp\u002Fdesktop-ui\u002F14a.avalonia-property-system","01.csharp\u002F12.desktop-ui\u002F14a.avalonia-property-system",{"title":1467,"path":1468,"stem":1469},"Attached Properties — Властивості без меж","\u002Fcsharp\u002Fdesktop-ui\u002Fattached-properties","01.csharp\u002F12.desktop-ui\u002F15.attached-properties",{"title":1471,"path":1472,"stem":1473},"Routed Events — Маршрутизація подій у WPF","\u002Fcsharp\u002Fdesktop-ui\u002Frouted-events","01.csharp\u002F12.desktop-ui\u002F16.routed-events",{"title":1475,"path":1476,"stem":1477},"Data Binding — Від Code-Behind до Декларативності","\u002Fcsharp\u002Fdesktop-ui\u002Fdata-binding-basics-part1","01.csharp\u002F12.desktop-ui\u002F17.data-binding-basics-part1",{"title":1479,"path":1480,"stem":1481},"INotifyPropertyChanged — Живе оновлення UI","\u002Fcsharp\u002Fdesktop-ui\u002Fdata-binding-basics-part2","01.csharp\u002F12.desktop-ui\u002F17.data-binding-basics-part2",{"title":1483,"path":1484,"stem":1485},"Compiled Bindings в Avalonia — Безпека на етапі компіляції","\u002Fcsharp\u002Fdesktop-ui\u002F17a.avalonia-compiled-bindings","01.csharp\u002F12.desktop-ui\u002F17a.avalonia-compiled-bindings",{"title":1487,"path":1488,"stem":1489},"Просунутий Data Binding — ElementName, RelativeSource, MultiBinding","\u002Fcsharp\u002Fdesktop-ui\u002Fdata-binding-advanced","01.csharp\u002F12.desktop-ui\u002F18.data-binding-advanced",{"title":1491,"path":1492,"stem":1493},"Value Converters — Перетворення типів даних у Data Binding","\u002Fcsharp\u002Fdesktop-ui\u002Fvalue-converters","01.csharp\u002F12.desktop-ui\u002F19.value-converters",{"title":1495,"path":1496,"stem":1497},"Data Templates — Візуалізація об'єктів у WPF","\u002Fcsharp\u002Fdesktop-ui\u002Fdata-templates","01.csharp\u002F12.desktop-ui\u002F20.data-templates",{"title":1499,"path":1500,"stem":1501},"Collections Binding Part 1 — ObservableCollection та ItemsControl","\u002Fcsharp\u002Fdesktop-ui\u002Fcollections-binding-part1","01.csharp\u002F12.desktop-ui\u002F21.collections-binding-part1",{"title":1503,"path":1504,"stem":1505},"Collections Binding Part 2 — ICollectionView, Filtering, Sorting та Virtualization","\u002Fcsharp\u002Fdesktop-ui\u002Fcollections-binding-part2","01.csharp\u002F12.desktop-ui\u002F21.collections-binding-part2",{"title":1507,"path":1508,"stem":1509},"MVVM Pattern — Від Spaghetti Code до архітектури","\u002Fcsharp\u002Fdesktop-ui\u002Fmvvm-pattern","01.csharp\u002F12.desktop-ui\u002F22.mvvm-pattern",{"title":1511,"path":1512,"stem":1513},"ViewModel Implementation — Від BaseViewModel до валідації","\u002Fcsharp\u002Fdesktop-ui\u002Fviewmodel-implementation","01.csharp\u002F12.desktop-ui\u002F23.viewmodel-implementation",{"title":1515,"path":1516,"stem":1517},"Commands — Від event handlers до декларативних команд","\u002Fcsharp\u002Fdesktop-ui\u002Fcommands","01.csharp\u002F12.desktop-ui\u002F24.commands",{"title":1519,"path":1520,"stem":1521},"MVVM Toolkit — MVVM без boilerplate через Source Generators","\u002Fcsharp\u002Fdesktop-ui\u002Fmvvm-toolkit","01.csharp\u002F12.desktop-ui\u002F25.mvvm-toolkit",{"title":1523,"path":1524,"stem":1525},"Messenger Pattern — Комунікація між ViewModel без прямих посилань","\u002Fcsharp\u002Fdesktop-ui\u002Fmessenger-pattern","01.csharp\u002F12.desktop-ui\u002F26.messenger-pattern",{"title":1527,"path":1528,"stem":1529},"Стилі WPF — CSS для десктопу","\u002Fcsharp\u002Fdesktop-ui\u002Fstyles-basics","01.csharp\u002F12.desktop-ui\u002F27.styles-basics",{"title":1531,"path":1532,"stem":1533},"CSS-like стилі Avalonia","\u002Fcsharp\u002Fdesktop-ui\u002F27a.avalonia-css-styling","01.csharp\u002F12.desktop-ui\u002F27a.avalonia-css-styling",{"title":1535,"path":1536,"stem":1537},"Control Templates — Частина 1. Концепція та TemplateBinding","\u002Fcsharp\u002Fdesktop-ui\u002Fcontrol-templates-part1","01.csharp\u002F12.desktop-ui\u002F28.control-templates-part1",{"title":1539,"path":1540,"stem":1541},"Control Templates — Частина 2. Named Parts та ContentPresenter","\u002Fcsharp\u002Fdesktop-ui\u002Fcontrol-templates-part2","01.csharp\u002F12.desktop-ui\u002F28.control-templates-part2",{"title":1543,"path":1544,"stem":1545},"Control Themes в Avalonia — нова ера стилізації","\u002Fcsharp\u002Fdesktop-ui\u002F28a.avalonia-control-themes","01.csharp\u002F12.desktop-ui\u002F28a.avalonia-control-themes",{"title":1547,"path":1548,"stem":1549},"Triggers та Visual State Manager у WPF","\u002Fcsharp\u002Fdesktop-ui\u002Ftriggers-visual-states","01.csharp\u002F12.desktop-ui\u002F29.triggers-visual-states",{"title":1551,"path":1552,"stem":1553},"Pseudo-classes в Avalonia — замість WPF Triggers","\u002Fcsharp\u002Fdesktop-ui\u002F29a.avalonia-pseudo-classes","01.csharp\u002F12.desktop-ui\u002F29a.avalonia-pseudo-classes",{"title":1555,"path":1556,"stem":1557},"Теми та ресурсні словники у WPF","\u002Fcsharp\u002Fdesktop-ui\u002Fresources-themes","01.csharp\u002F12.desktop-ui\u002F30.resources-themes",{"title":1559,"path":1560,"stem":1561},"Avalonia Themes — Fluent Design та система тематизації","\u002Fcsharp\u002Fdesktop-ui\u002F30a.avalonia-themes-fluent","01.csharp\u002F12.desktop-ui\u002F30a.avalonia-themes-fluent",{"title":1563,"path":1564,"stem":1565},"Контроли колекцій — глибоке занурення","\u002Fcsharp\u002Fdesktop-ui\u002Fcollection-controls","01.csharp\u002F12.desktop-ui\u002F31.collection-controls",{"title":1567,"path":1568,"stem":1569},"DataGrid — колонки та базове відображення","\u002Fcsharp\u002Fdesktop-ui\u002Fdatagrid-part1","01.csharp\u002F12.desktop-ui\u002F32.datagrid-part1",{"title":1571,"path":1572,"stem":1573},"DataGrid — сортування, фільтрація, редагування","\u002Fcsharp\u002Fdesktop-ui\u002Fdatagrid-part2","01.csharp\u002F12.desktop-ui\u002F32.datagrid-part2",{"title":1575,"path":1576,"stem":1577},"TreeView та GridView","\u002Fcsharp\u002Fdesktop-ui\u002Ftreeview-listview","01.csharp\u002F12.desktop-ui\u002F33.treeview-listview",{"title":1579,"path":1580,"stem":1581},"Меню, Toolbar, ContextMenu, StatusBar","\u002Fcsharp\u002Fdesktop-ui\u002Fmenus-toolbars","01.csharp\u002F12.desktop-ui\u002F34.menus-toolbars",{"title":1583,"path":1584,"stem":1585},"Навігація та керування вікнами. Частина 1: вікна та сторінки","\u002Fcsharp\u002Fdesktop-ui\u002Fnavigation-windows-part1","01.csharp\u002F12.desktop-ui\u002F35.navigation-windows-part1",{"title":1587,"path":1588,"stem":1589},"Навігація та керування вікнами. Частина 2: MVVM-навігація","\u002Fcsharp\u002Fdesktop-ui\u002Fnavigation-windows-part2","01.csharp\u002F12.desktop-ui\u002F35.navigation-windows-part2",{"title":1591,"path":1592,"stem":1593},"Avalonia — Навігація та діалоги","\u002Fcsharp\u002Fdesktop-ui\u002F35a.avalonia-navigation-dialogs","01.csharp\u002F12.desktop-ui\u002F35a.avalonia-navigation-dialogs",{"title":1595,"path":1596,"stem":1597},"Діалоги та File Pickers у WPF","\u002Fcsharp\u002Fdesktop-ui\u002Fdialogs-file-pickers","01.csharp\u002F12.desktop-ui\u002F36.dialogs-file-pickers",{"title":1599,"path":1600,"stem":1601},"UserControl: компонентний підхід у WPF","\u002Fcsharp\u002Fdesktop-ui\u002Fuser-controls","01.csharp\u002F12.desktop-ui\u002F37.user-controls",{"title":1603,"path":1604,"stem":1605},"Custom Controls: Lookless Controls у WPF","\u002Fcsharp\u002Fdesktop-ui\u002Fcustom-controls","01.csharp\u002F12.desktop-ui\u002F38.custom-controls",{"title":1607,"path":1608,"stem":1609},"Avalonia TemplatedControl — Lookless Controls","\u002Fcsharp\u002Fdesktop-ui\u002F38a.avalonia-templated-controls","01.csharp\u002F12.desktop-ui\u002F38a.avalonia-templated-controls",{"title":1611,"path":1612,"stem":1613},"Анімації у WPF: Storyboard та Easing Functions","\u002Fcsharp\u002Fdesktop-ui\u002Fanimations-transitions","01.csharp\u002F12.desktop-ui\u002F39.animations-transitions",{"title":1615,"path":1616,"stem":1617},"Анімації в Avalonia","\u002Fcsharp\u002Fdesktop-ui\u002F39a.avalonia-animations","01.csharp\u002F12.desktop-ui\u002F39a.avalonia-animations",{"title":1619,"path":1620,"stem":1621},"2D Графіка та Мультимедіа у WPF","\u002Fcsharp\u002Fdesktop-ui\u002Fmedia-graphics","01.csharp\u002F12.desktop-ui\u002F40.media-graphics",{"title":1623,"path":1624,"stem":1625},"Dependency Injection у WPF та Avalonia","\u002Fcsharp\u002Fdesktop-ui\u002Fdi-integration","01.csharp\u002F12.desktop-ui\u002F41.di-integration",{"title":1627,"path":1628,"stem":1629},"SQLite та EF Core у десктопних додатках","\u002Fcsharp\u002Fdesktop-ui\u002Fdata-persistence-part1","01.csharp\u002F12.desktop-ui\u002F42.data-persistence-part1",{"title":1631,"path":1632,"stem":1633},"Repository Pattern та Unit of Work","\u002Fcsharp\u002Fdesktop-ui\u002Fdata-persistence-part2","01.csharp\u002F12.desktop-ui\u002F43.data-persistence-part2",{"title":1635,"path":1636,"stem":1637},"Тестування ViewModels","\u002Fcsharp\u002Fdesktop-ui\u002Fviewmodel-testing","01.csharp\u002F12.desktop-ui\u002F44.viewmodel-testing",{"title":1639,"path":1640,"stem":1641},"Avalonia Headless Testing — тестування UI без вікон","\u002Fcsharp\u002Fdesktop-ui\u002F44a.avalonia-headless-testing","01.csharp\u002F12.desktop-ui\u002F44a.avalonia-headless-testing",{"title":1643,"path":1644,"stem":1645},"Кросплатформна розробка з Avalonia","\u002Fcsharp\u002Fdesktop-ui\u002Favalonia-cross-platform","01.csharp\u002F12.desktop-ui\u002F45.avalonia-cross-platform",{"title":1647,"path":1648,"stem":1649},"Пакування та розгортання Avalonia додатків","\u002Fcsharp\u002Fdesktop-ui\u002Favalonia-packaging-deployment","01.csharp\u002F12.desktop-ui\u002F46.avalonia-packaging-deployment",{"title":1651,"path":1652,"stem":1653},"Розгортання WPF застосунків","\u002Fcsharp\u002Fdesktop-ui\u002Fwpf-packaging-deployment","01.csharp\u002F12.desktop-ui\u002F47.wpf-packaging-deployment",{"title":1655,"icon":658,"path":1656,"stem":1657,"children":1658,"page":59},"Network Programming","\u002Fcsharp\u002Fnetwork-programming","01.csharp\u002F13.network-programming",[1659,1663,1667,1671,1675,1679,1683,1687,1691,1695,1699],{"title":1660,"path":1661,"stem":1662},"Основи комп'ютерних мереж","\u002Fcsharp\u002Fnetwork-programming\u002Ffoundations","01.csharp\u002F13.network-programming\u002F01.foundations",{"title":1664,"path":1665,"stem":1666},"Модель OSI та стек TCP\u002FIP","\u002Fcsharp\u002Fnetwork-programming\u002Fosi-model","01.csharp\u002F13.network-programming\u002F02.osi-model",{"title":1668,"path":1669,"stem":1670},"IP-протокол та адресація","\u002Fcsharp\u002Fnetwork-programming\u002Fip-addressing","01.csharp\u002F13.network-programming\u002F03.ip-addressing",{"title":1672,"path":1673,"stem":1674},"UDP — протокол без з'єднання","\u002Fcsharp\u002Fnetwork-programming\u002Fudp","01.csharp\u002F13.network-programming\u002F05.udp",{"title":1676,"path":1677,"stem":1678},"UDP Broadcast та Multicast","\u002Fcsharp\u002Fnetwork-programming\u002Fudp-broadcast-multicast","01.csharp\u002F13.network-programming\u002F06.udp-broadcast-multicast",{"title":1680,"path":1681,"stem":1682},"HTTP — протокол вебу","\u002Fcsharp\u002Fnetwork-programming\u002Fhttp-fundamentals","01.csharp\u002F13.network-programming\u002F07.http-fundamentals",{"title":1684,"path":1685,"stem":1686},"HttpListener — вбудований HTTP-сервер .NET","\u002Fcsharp\u002Fnetwork-programming\u002F07a.http-listener","01.csharp\u002F13.network-programming\u002F07a.http-listener",{"title":1688,"path":1689,"stem":1690},"HTTP Advanced — cookies, аутентифікація та HTTPS","\u002Fcsharp\u002Fnetwork-programming\u002Fhttp-advanced","01.csharp\u002F13.network-programming\u002F08.http-advanced",{"title":1692,"path":1693,"stem":1694},"SMTP та протоколи електронної пошти","\u002Fcsharp\u002Fnetwork-programming\u002Fsmtp","01.csharp\u002F13.network-programming\u002F09.smtp",{"title":1696,"path":1697,"stem":1698},"WebSocket — повнодуплексний протокол реального часу","\u002Fcsharp\u002Fnetwork-programming\u002Fwebsockets","01.csharp\u002F13.network-programming\u002F10.websockets",{"title":1700,"path":1701,"stem":1702},"TLS\u002FSSL — криптографічний захист мережевих з'єднань","\u002Fcsharp\u002Fnetwork-programming\u002Ftls-ssl","01.csharp\u002F13.network-programming\u002F11.tls-ssl",{"title":1704,"path":1705,"stem":1706},"C# & .NET: The Ultimate Roadmap","\u002Fcsharp\u002Froadmap","01.csharp\u002Froadmap",{"title":1708,"icon":1709,"path":1710,"stem":1711,"children":1712,"page":59},"C++","i-devicon-cplusplus","\u002Fcpp","02.cpp",[1713,1717,1721,1725,1729,1733,1737,1741,1745,1748,1752,1756,1760,1764,1768,1772,1776,1780,1784,1788,1792,1796,1800,1804,1808,1812,1816,1820,1824,1828,1832,1836,1840,1844,1848,1852,1856,1860,1864,1868,1872,1876,1880,1884,1888,1892,1896,1900,1904,1908,1912,1916,1920,1924,1928,1932,1936,1940,1944,1948,1952,1956,1960,1964,1968,1972,1976,1980,1984,1988,1992,1996,2000,2004,2008,2012,2016,2020,2024,2028,2032,2036,2040,2044,2048,2052,2056,2060,2064,2068,2072,2076,2080],{"title":1714,"path":1715,"stem":1716},"Вступ у програмування та алгоритми","\u002Fcpp\u002Fintro-algorithms","02.cpp\u002F01.intro-algorithms",{"title":1718,"path":1719,"stem":1720},"Code Style: угоди про оформлення коду","\u002Fcpp\u002Fcode-style","02.cpp\u002F02.code-style",{"title":1722,"path":1723,"stem":1724},"Середовище розробки та перший проєкт","\u002Fcpp\u002Fide-setup","02.cpp\u002F03.ide-setup",{"title":1726,"path":1727,"stem":1728},"Вивід даних на екран","\u002Fcpp\u002Fdata-output","02.cpp\u002F04.data-output",{"title":1730,"path":1731,"stem":1732},"Типи даних, змінні та константи","\u002Fcpp\u002Fdata-types-variables","02.cpp\u002F05.data-types-variables",{"title":1734,"path":1735,"stem":1736},"Ввід даних з клавіатури","\u002Fcpp\u002Fdata-input","02.cpp\u002F06.data-input",{"title":1738,"path":1739,"stem":1740},"Оператори, перетворення типів та логічні операції","\u002Fcpp\u002Foperators-type-conversion","02.cpp\u002F07.operators-type-conversion",{"title":1742,"path":1743,"stem":1744},"Цикли","\u002Fcpp\u002Floops","02.cpp\u002F08.loops",{"title":32,"path":1746,"stem":1747},"\u002Fcpp\u002Farrays","02.cpp\u002F09.arrays",{"title":1749,"path":1750,"stem":1751},"Алгоритми сортування та аналіз складності","\u002Fcpp\u002Fsorting","02.cpp\u002F10.sorting",{"title":1753,"path":1754,"stem":1755},"Алгоритми пошуку","\u002Fcpp\u002Fsearching","02.cpp\u002F11.searching",{"title":1757,"path":1758,"stem":1759},"Функції: основи","\u002Fcpp\u002Ffunctions-basics","02.cpp\u002F12.functions-basics",{"title":1761,"path":1762,"stem":1763},"Функції: прототипи, область видимості та додаткові можливості","\u002Fcpp\u002Ffunctions-scope","02.cpp\u002F13.functions-scope",{"title":1765,"path":1766,"stem":1767},"Функції: перевантаження та шаблони","\u002Fcpp\u002Ffunctions-overloading-templates","02.cpp\u002F14.functions-overloading-templates",{"title":1769,"path":1770,"stem":1771},"Вказівники: основи","\u002Fcpp\u002Fpointers-basics","02.cpp\u002F15.pointers-basics",{"title":1773,"path":1774,"stem":1775},"Посилання (References)","\u002Fcpp\u002Freferences","02.cpp\u002F16.references",{"title":1777,"path":1778,"stem":1779},"Вказівники, const і масиви","\u002Fcpp\u002Fpointers-const-arrays","02.cpp\u002F17.pointers-const-arrays",{"title":1781,"path":1782,"stem":1783},"Адресна арифметика","\u002Fcpp\u002Fpointer-arithmetic","02.cpp\u002F18.pointer-arithmetic",{"title":1785,"path":1786,"stem":1787},"Динамічна пам'ять","\u002Fcpp\u002Fdynamic-memory","02.cpp\u002F19.dynamic-memory",{"title":1789,"path":1790,"stem":1791},"Вказівники типу void","\u002Fcpp\u002Fvoid-pointers","02.cpp\u002F20.void-pointers",{"title":1793,"path":1794,"stem":1795},"Вказівники на вказівники","\u002Fcpp\u002Fpointers-to-pointers","02.cpp\u002F21.pointers-to-pointers",{"title":1797,"path":1798,"stem":1799},"Оператор доступу до членів через вказівник (->)","\u002Fcpp\u002Fmember-access-operator","02.cpp\u002F22.member-access-operator",{"title":1801,"path":1802,"stem":1803},"Цикл for-each (Range-based for)","\u002Fcpp\u002Fforeach-loop","02.cpp\u002F23.foreach-loop",{"title":1805,"path":1806,"stem":1807},"Вказівники на функції","\u002Fcpp\u002Ffunction-pointers","02.cpp\u002F24.function-pointers",{"title":1809,"path":1810,"stem":1811},"Лямбда-вирази","\u002Fcpp\u002Flambdas","02.cpp\u002F25.lambdas",{"title":1813,"path":1814,"stem":1815},"Лямбда-захоплення","\u002Fcpp\u002Flambda-captures","02.cpp\u002F26.lambda-captures",{"title":1817,"path":1818,"stem":1819},"Еліпсис","\u002Fcpp\u002Fellipsis","02.cpp\u002F27.ellipsis",{"title":1821,"path":1822,"stem":1823},"Безпечні альтернативи еліпсису","\u002Fcpp\u002F27a.ellipsis","02.cpp\u002F27a.ellipsis",{"title":1825,"path":1826,"stem":1827},"Аргументи командного рядка","\u002Fcpp\u002Fcommand-line-arguments","02.cpp\u002F28.command-line-arguments",{"title":1829,"path":1830,"stem":1831},"Перерахування (enum)","\u002Fcpp\u002Fenum","02.cpp\u002F29.enum",{"title":1833,"path":1834,"stem":1835},"Класи-перерахування (enum class)","\u002Fcpp\u002Fenum-class","02.cpp\u002F30.enum-class",{"title":1837,"path":1838,"stem":1839},"Псевдоніми типів (typedef і using)","\u002Fcpp\u002Ftype-aliases","02.cpp\u002F31.type-aliases",{"title":1841,"path":1842,"stem":1843},"Системи числення та двійкова арифметика","\u002Fcpp\u002Fnumber-systems","02.cpp\u002F32.number-systems",{"title":1845,"path":1846,"stem":1847},"Структури (struct): агрегування даних","\u002Fcpp\u002Fstruct","02.cpp\u002F33.struct",{"title":1849,"path":1850,"stem":1851},"Структури у функціях","\u002Fcpp\u002Fstruct-functions","02.cpp\u002F34.struct-functions",{"title":1853,"path":1854,"stem":1855},"Масиви структур і вкладені структури","\u002Fcpp\u002Fstruct-arrays","02.cpp\u002F35.struct-arrays",{"title":1857,"path":1858,"stem":1859},"Патерни struct та межі застосування","\u002Fcpp\u002Fstruct-patterns","02.cpp\u002F36.struct-patterns",{"title":1861,"path":1862,"stem":1863},"Символи та таблиця ASCII","\u002Fcpp\u002Fascii-characters","02.cpp\u002F37.ascii-characters",{"title":1865,"path":1866,"stem":1867},"Unicode та кодування UTF","\u002Fcpp\u002Funicode-utf","02.cpp\u002F38.unicode-utf",{"title":1869,"path":1870,"stem":1871},"C-style рядки","\u002Fcpp\u002Fc-strings","02.cpp\u002F39.c-strings",{"title":1873,"path":1874,"stem":1875},"Вступ до std::string","\u002Fcpp\u002Fstd-string-intro","02.cpp\u002F40.std-string-intro",{"title":1877,"path":1878,"stem":1879},"Довжина, ємність та доступ до символів std::string","\u002Fcpp\u002Fstd-string-capacity-access","02.cpp\u002F41.std-string-capacity-access",{"title":1881,"path":1882,"stem":1883},"Модифікація std::string: присвоювання, додавання, вставка, видалення та заміна","\u002Fcpp\u002Fstd-string-modification","02.cpp\u002F42.std-string-modification",{"title":1885,"path":1886,"stem":1887},"Пошук у std::string: find, npos та практичні патерни","\u002Fcpp\u002Fstd-string-search","02.cpp\u002F43.std-string-search",{"title":1889,"path":1890,"stem":1891},"std::string_view: невласницький погляд на рядок без копіювання","\u002Fcpp\u002Fstd-string-view","02.cpp\u002F44.std-string-view",{"title":1893,"path":1894,"stem":1895},"Об'єднання (union): один блок пам'яті, кілька інтерпретацій","\u002Fcpp\u002Funion","02.cpp\u002F45.union",{"title":1897,"path":1898,"stem":1899},"Організація коду: файли, препроцесор, простори імен","\u002Fcpp\u002Fmultifile-programs","02.cpp\u002F46.multifile-programs",{"title":1901,"path":1902,"stem":1903},"Робота з файлами: C-стиль (stdio.h)","\u002Fcpp\u002Fc-style-files","02.cpp\u002F47.c-style-files",{"title":1905,"path":1906,"stem":1907},"Робота з файлами: C++-стиль (fstream)","\u002Fcpp\u002Fcpp-style-files","02.cpp\u002F48.cpp-style-files",{"title":1909,"path":1910,"stem":1911},"Введення в ООП: від процедур до об'єктів","\u002Fcpp\u002Foop-intro","02.cpp\u002F49.oop-intro",{"title":1913,"path":1914,"stem":1915},"Класи, об'єкти та методи","\u002Fcpp\u002Fclasses-objects-methods","02.cpp\u002F50.classes-objects-methods",{"title":1917,"path":1918,"stem":1919},"Специфікатори доступу та інкапсуляція","\u002Fcpp\u002Faccess-specifiers-encapsulation","02.cpp\u002F51.access-specifiers-encapsulation",{"title":1921,"path":1922,"stem":1923},"Конструктори: гарантована ініціалізація об'єктів","\u002Fcpp\u002Fconstructors","02.cpp\u002F52.constructors",{"title":1925,"path":1926,"stem":1927},"Списки ініціалізації та делегуючі конструктори","\u002Fcpp\u002Finit-lists-delegating","02.cpp\u002F53.init-lists-delegating",{"title":1929,"path":1930,"stem":1931},"Деструктори та ідіома RAII","\u002Fcpp\u002Fdestructors-raii","02.cpp\u002F54.destructors-raii",{"title":1933,"path":1934,"stem":1935},"Прихований покажчик this","\u002Fcpp\u002Fthis-pointer","02.cpp\u002F55.this-pointer",{"title":1937,"path":1938,"stem":1939},"Розподіл класу на заголовковий файл та файл реалізації","\u002Fcpp\u002Fclass-header-source","02.cpp\u002F56.class-header-source",{"title":1941,"path":1942,"stem":1943},"Класи та const","\u002Fcpp\u002Fconst-classes","02.cpp\u002F57.const-classes",{"title":1945,"path":1946,"stem":1947},"Статичні члени класу","\u002Fcpp\u002Fstatic-members","02.cpp\u002F58.static-members",{"title":1949,"path":1950,"stem":1951},"Конструктор копіювання та запобігання копіюванню","\u002Fcpp\u002Fcopy-constructor","02.cpp\u002F59.copy-constructor",{"title":1953,"path":1954,"stem":1955},"Дружні функції та класи","\u002Fcpp\u002Ffriend-functions-classes","02.cpp\u002F60.friend-functions-classes",{"title":1957,"path":1958,"stem":1959},"Анонімні об'єкти та вкладені типи","\u002Fcpp\u002Fanonymous-objects-nested-types","02.cpp\u002F61.anonymous-objects-nested-types",{"title":1961,"path":1962,"stem":1963},"Вимірювання часу виконання: RAII-таймер","\u002Fcpp\u002Ftiming-raii-timer","02.cpp\u002F62.timing-raii-timer",{"title":1965,"path":1966,"stem":1967},"Перевантаження операторів: основи та арифметика","\u002Fcpp\u002Foperator-overloading-basics","02.cpp\u002F63.operator-overloading-basics",{"title":1969,"path":1970,"stem":1971},"Перевантаження операторів: методи класу та спеціальні оператори","\u002Fcpp\u002Foperator-overloading-methods","02.cpp\u002F64.operator-overloading-methods",{"title":1973,"path":1974,"stem":1975},"Приведення типів, explicit та delete","\u002Fcpp\u002Ftypecast-explicit-delete","02.cpp\u002F65.typecast-explicit-delete",{"title":1977,"path":1978,"stem":1979},"Глибоке копіювання та оператор присвоювання","\u002Fcpp\u002Fdeep-copy-assignment","02.cpp\u002F66.deep-copy-assignment",{"title":1981,"path":1982,"stem":1983},"Зв'язки між об'єктами: композиція та агрегація","\u002Fcpp\u002Fcomposition-aggregation","02.cpp\u002F67.composition-aggregation",{"title":1985,"path":1986,"stem":1987},"Асоціація та залежність між об","\u002Fcpp\u002Fassociation-dependency","02.cpp\u002F68.association-dependency",{"title":1989,"path":1990,"stem":1991},"Контейнерні класи та `std::initializer_list`","\u002Fcpp\u002Fcontainer-classes-initializer-list","02.cpp\u002F69.container-classes-initializer-list",{"title":1993,"path":1994,"stem":1995},"Вступ до наслідування: базові поняття та відношення «is-a»","\u002Fcpp\u002Finheritance-intro","02.cpp\u002F70.inheritance-intro",{"title":1997,"path":1998,"stem":1999},"Конструктори, деструктори та порядок ініціалізації в ієрархіях","\u002Fcpp\u002Finheritance-constructors-destructors","02.cpp\u002F71.inheritance-constructors-destructors",{"title":2001,"path":2002,"stem":2003},"Специфікатор `protected` та види наслідування","\u002Fcpp\u002Finheritance-access-specifiers","02.cpp\u002F72.inheritance-access-specifiers",{"title":2005,"path":2006,"stem":2007},"Перевизначення методів та приховування імен","\u002Fcpp\u002Fmethod-overriding-hiding","02.cpp\u002F73.method-overriding-hiding",{"title":2009,"path":2010,"stem":2011},"Множинне наслідування та проблема ромба","\u002Fcpp\u002Fmultiple-inheritance-diamond","02.cpp\u002F74.multiple-inheritance-diamond",{"title":2013,"path":2014,"stem":2015},"Вказівники на базовий клас та віртуальні функції","\u002Fcpp\u002Fvirtual-functions-polymorphism","02.cpp\u002F75.virtual-functions-polymorphism",{"title":2017,"path":2018,"stem":2019},"Специфікатори override, final та віртуальні деструктори","\u002Fcpp\u002Foverride-final-virtual-destructors","02.cpp\u002F76.override-final-virtual-destructors",{"title":2021,"path":2022,"stem":2023},"Внутрішні механізми поліморфізму: vtable, vptr та зв'язування","\u002Fcpp\u002Fvirtual-table-binding","02.cpp\u002F77.virtual-table-binding",{"title":2025,"path":2026,"stem":2027},"Абстрактні класи та чисті віртуальні функції","\u002Fcpp\u002Fabstract-classes-interfaces","02.cpp\u002F78.abstract-classes-interfaces",{"title":2029,"path":2030,"stem":2031},"Зрізка об'єктів, віртуальне наслідування та поліморфний вивід","\u002Fcpp\u002Fslicing-virtual-base-io","02.cpp\u002F79.slicing-virtual-base-io",{"title":2033,"path":2034,"stem":2035},"Динамічне приведення типів (`dynamic_cast`) та RTTI","\u002Fcpp\u002Fdynamic-cast-rtti","02.cpp\u002F80.dynamic-cast-rtti",{"title":2037,"path":2038,"stem":2039},"Шаблони функцій: узагальнене програмування","\u002Fcpp\u002Ffunction-templates","02.cpp\u002F81.function-templates",{"title":2041,"path":2042,"stem":2043},"Шаблони класів та NTTP-параметри","\u002Fcpp\u002Fclass-templates-nttp","02.cpp\u002F82.class-templates-nttp",{"title":2045,"path":2046,"stem":2047},"Повна (явна) спеціалізація шаблонів","\u002Fcpp\u002Ffull-template-specialization","02.cpp\u002F83.full-template-specialization",{"title":2049,"path":2050,"stem":2051},"Часткова спеціалізація шаблонів класів","\u002Fcpp\u002Fpartial-template-specialization","02.cpp\u002F84.partial-template-specialization",{"title":2053,"path":2054,"stem":2055},"Механізм винятків: try, catch, throw та розкручування стеку","\u002Fcpp\u002Fexceptions-basics","02.cpp\u002F85.exceptions-basics",{"title":2057,"path":2058,"stem":2059},"Ієрархія std::exception та власні класи винятків","\u002Fcpp\u002Fexception-hierarchy-custom","02.cpp\u002F86.exception-hierarchy-custom",{"title":2061,"path":2062,"stem":2063},"Повторне генерування винятків та функціональний try-блок","\u002Fcpp\u002Frethrow-function-try","02.cpp\u002F87.rethrow-function-try",{"title":2065,"path":2066,"stem":2067},"Безпека винятків, noexcept та деструктори","\u002Fcpp\u002Fsafety-noexcept","02.cpp\u002F88.safety-noexcept",{"title":2069,"path":2070,"stem":2071},"Стаття 89 — Власні структури даних: стек та черга","\u002Fcpp\u002Fcustom-stack-queue","02.cpp\u002F89.custom-stack-queue",{"title":2073,"path":2074,"stem":2075},"Стаття 90 — Власні структури даних: однозв'язаний список","\u002Fcpp\u002Flinked-list","02.cpp\u002F90.linked-list",{"title":2077,"path":2078,"stem":2079},"Стаття 91 — Власні структури даних: бінарне дерево пошуку","\u002Fcpp\u002Fbinary-search-tree","02.cpp\u002F91.binary-search-tree",{"title":2081,"path":2082,"stem":2083},"Стаття 92 — Власні структури даних: хеш-таблиця","\u002Fcpp\u002Fhash-table","02.cpp\u002F92.hash-table",{"title":2085,"icon":2086,"path":2087,"stem":2088,"children":2089,"page":59},"JavaScript","i-devicon-javascript","\u002Fjavascript","03.javascript",[2090,2116,2170,2192,2496,2534,2552],{"title":2091,"icon":2092,"path":2093,"stem":2094,"children":2095,"page":59},"Events","i-lucide-mouse-pointer-click","\u002Fjavascript\u002Fevents","03.javascript\u002F01.events",[2096,2100,2104,2108,2112],{"title":2097,"path":2098,"stem":2099},"Вступ до подій браузера","\u002Fjavascript\u002Fevents\u002Fintro","03.javascript\u002F01.events\u002F01.intro",{"title":2101,"path":2102,"stem":2103},"Бульбашковий механізм (Bubbling) та занурення (Capturing)","\u002Fjavascript\u002Fevents\u002Fbubbling-capturing","03.javascript\u002F01.events\u002F02.bubbling-capturing",{"title":2105,"path":2106,"stem":2107},"Делегування подій (Event Delegation)","\u002Fjavascript\u002Fevents\u002Fdelegate-events","03.javascript\u002F01.events\u002F03.delegate-events",{"title":2109,"path":2110,"stem":2111},"Типові дії браузера та preventDefault()","\u002Fjavascript\u002Fevents\u002Fprevent-default","03.javascript\u002F01.events\u002F04.prevent-default",{"title":2113,"path":2114,"stem":2115},"Запуск користувацьких подій (Custom Events)","\u002Fjavascript\u002Fevents\u002Fcustom-events","03.javascript\u002F01.events\u002F05.custom-events",{"title":2117,"icon":2118,"path":2119,"stem":2120,"children":2121,"page":59},"Network","i-lucide-globe","\u002Fjavascript\u002Fnetwork","03.javascript\u002F02.network",[2122,2126,2130,2134,2138,2142,2146,2150,2154,2158,2162,2166],{"title":2123,"path":2124,"stem":2125},"Fetch API - Сучасний підхід до HTTP-запитів","\u002Fjavascript\u002Fnetwork\u002F01-fetch-api","03.javascript\u002F02.network\u002F01-fetch-api",{"title":2127,"path":2128,"stem":2129},"FormData - Робота з формами та файлами","\u002Fjavascript\u002Fnetwork\u002F02-formdata","03.javascript\u002F02.network\u002F02-formdata",{"title":2131,"path":2132,"stem":2133},"Відстеження прогресу завантаження","\u002Fjavascript\u002Fnetwork\u002F03-download-progress","03.javascript\u002F02.network\u002F03-download-progress",{"title":2135,"path":2136,"stem":2137},"Переривання fetch-запитів","\u002Fjavascript\u002Fnetwork\u002F04-abort-requests","03.javascript\u002F02.network\u002F04-abort-requests",{"title":2139,"path":2140,"stem":2141},"CORS - Запити між різними джерелами","\u002Fjavascript\u002Fnetwork\u002F05-cors","03.javascript\u002F02.network\u002F05-cors",{"title":2143,"path":2144,"stem":2145},"Fetch API - Повний довідник опцій","\u002Fjavascript\u002Fnetwork\u002F06-fetch-options","03.javascript\u002F02.network\u002F06-fetch-options",{"title":2147,"path":2148,"stem":2149},"URL Objects - Робота з посиланнями","\u002Fjavascript\u002Fnetwork\u002F07-url-objects","03.javascript\u002F02.network\u002F07-url-objects",{"title":2151,"path":2152,"stem":2153},"XMLHttpRequest - AJAX та низькорівневі запити","\u002Fjavascript\u002Fnetwork\u002F08-xmlhttprequest","03.javascript\u002F02.network\u002F08-xmlhttprequest",{"title":2155,"path":2156,"stem":2157},"Відновлюване завантаження файлів","\u002Fjavascript\u002Fnetwork\u002F09-resumable-upload","03.javascript\u002F02.network\u002F09-resumable-upload",{"title":2159,"path":2160,"stem":2161},"Cookies, document.cookie та світ після \"Cookiepocalypse\"","\u002Fjavascript\u002Fnetwork\u002F10-cookies","03.javascript\u002F02.network\u002F10-cookies",{"title":2163,"path":2164,"stem":2165},"js-cookie: Керування Cookies без Болю","\u002Fjavascript\u002Fnetwork\u002F11-js-cookie","03.javascript\u002F02.network\u002F11-js-cookie",{"title":2167,"path":2168,"stem":2169},"Axios: Потужний HTTP-клієнт для JavaScript","\u002Fjavascript\u002Fnetwork\u002F12-axios","03.javascript\u002F02.network\u002F12-axios",{"title":2171,"icon":2172,"path":2173,"stem":2174,"children":2175,"page":59},"Bom","i-lucide-monitor","\u002Fjavascript\u002Fbom","03.javascript\u002F03.bom",[2176,2180,2184,2188],{"title":2177,"path":2178,"stem":2179},"LocalStorage, SessionStorage та patterns збереження даних","\u002Fjavascript\u002Fbom\u002F01-localstorage","03.javascript\u002F03.bom\u002F01-localstorage",{"title":2181,"path":2182,"stem":2183},"Location Object - Керування адресою сторінки","\u002Fjavascript\u002Fbom\u002F02-location-object","03.javascript\u002F03.bom\u002F02-location-object",{"title":2185,"path":2186,"stem":2187},"History API - Керування історією браузера","\u002Fjavascript\u002Fbom\u002F03-history-api","03.javascript\u002F03.bom\u002F03-history-api",{"title":2189,"path":2190,"stem":2191},"Navigator Object - Ідентифікація та Можливості Пристрою","\u002Fjavascript\u002Fbom\u002F04-navigator-object","03.javascript\u002F03.bom\u002F04-navigator-object",{"title":2193,"icon":2194,"path":2195,"stem":2196,"children":2197},"React","i-devicon-react","\u002Fjavascript\u002Freact","03.javascript\u002F04.react\u002Findex",[2198,2199,2203,2207,2211,2215,2278,2313,2465],{"title":2193,"path":2195,"stem":2196},{"title":2200,"path":2201,"stem":2202},"Робота з Формами в React","\u002Fjavascript\u002Freact\u002Freact-forms","03.javascript\u002F04.react\u002F01.react-forms",{"title":2204,"path":2205,"stem":2206},"React Hook Form: Професійна Робота з Формами","\u002Fjavascript\u002Freact\u002Freact-hook-form","03.javascript\u002F04.react\u002F02.react-hook-form",{"title":2208,"path":2209,"stem":2210},"React Hook Form: Глибоке Розуміння Архітектури та Оптимізації","\u002Fjavascript\u002Freact\u002Freact-hook-form-new","03.javascript\u002F04.react\u002F02.react-hook-form-new",{"title":2212,"path":2213,"stem":2214},"Axios та React: Професійна Архітектура Запитів","\u002Fjavascript\u002Freact\u002Fdata-fetching-axios","03.javascript\u002F04.react\u002F03.data-fetching-axios",{"title":2216,"icon":132,"path":2217,"stem":2218,"children":2219},"Tanstack Query","\u002Fjavascript\u002Freact\u002Ftanstack-query","03.javascript\u002F04.react\u002F04.tanstack-query\u002Findex",[2220,2222,2226,2230,2234,2238,2242,2246,2250,2254,2258,2262,2266,2270,2274],{"title":2221,"path":2217,"stem":2218},"TanStack Query: Майстерність Керування Станом Сервера",{"title":2223,"path":2224,"stem":2225},"Парадигма Server State: Чому useEffect недостатньо","\u002Fjavascript\u002Freact\u002Ftanstack-query\u002Fserver-state-paradigm","03.javascript\u002F04.react\u002F04.tanstack-query\u002F01.server-state-paradigm",{"title":2227,"path":2228,"stem":2229},"Встановлення та Налаштування: Фундамент","\u002Fjavascript\u002Freact\u002Ftanstack-query\u002Finstallation-and-devtools","03.javascript\u002F04.react\u002F04.tanstack-query\u002F02.installation-and-devtools",{"title":2231,"path":2232,"stem":2233},"Основи Запитів та Магія Ключів","\u002Fjavascript\u002Freact\u002Ftanstack-query\u002Fquery-basics-and-keys","03.javascript\u002F04.react\u002F04.tanstack-query\u002F03.query-basics-and-keys",{"title":2235,"path":2236,"stem":2237},"Синхронізація Даних: Життєвий Цикл Запиту","\u002Fjavascript\u002Freact\u002Ftanstack-query\u002Fdata-synchronization","03.javascript\u002F04.react\u002F04.tanstack-query\u002F04.data-synchronization",{"title":2239,"path":2240,"stem":2241},"Мутації та Інвалідація: Зміна Даних","\u002Fjavascript\u002Freact\u002Ftanstack-query\u002Fmutations-and-invalidation","03.javascript\u002F04.react\u002F04.tanstack-query\u002F05.mutations-and-invalidation",{"title":2243,"path":2244,"stem":2245},"Оптимістичні Оновлення: Швидше за Світло","\u002Fjavascript\u002Freact\u002Ftanstack-query\u002Foptimistic-updates","03.javascript\u002F04.react\u002F04.tanstack-query\u002F06.optimistic-updates",{"title":2247,"path":2248,"stem":2249},"Пагінація та Infinite Scroll","\u002Fjavascript\u002Freact\u002Ftanstack-query\u002Fpagination-and-load-more","03.javascript\u002F04.react\u002F04.tanstack-query\u002F07.pagination-and-load-more",{"title":2251,"path":2252,"stem":2253},"Просунуті Патерни та Оптимізація","\u002Fjavascript\u002Freact\u002Ftanstack-query\u002Fadvanced-patterns","03.javascript\u002F04.react\u002F04.tanstack-query\u002F08.advanced-patterns",{"title":2255,"path":2256,"stem":2257},"Архітектура та Best Practices","\u002Fjavascript\u002Freact\u002Ftanstack-query\u002Farchitecture-and-best-practices","03.javascript\u002F04.react\u002F04.tanstack-query\u002F09.architecture-and-best-practices",{"title":2259,"path":2260,"stem":2261},"Server-Side Rendering (SSR) та Гідратація","\u002Fjavascript\u002Freact\u002Ftanstack-query\u002Fserver-side-rendering","03.javascript\u002F04.react\u002F04.tanstack-query\u002F10.server-side-rendering",{"title":2263,"path":2264,"stem":2265},"Стратегії Тестування","\u002Fjavascript\u002Freact\u002Ftanstack-query\u002Ftesting-strategies","03.javascript\u002F04.react\u002F04.tanstack-query\u002F11.testing-strategies",{"title":2267,"path":2268,"stem":2269},"Аутентифікація та Обробка Помилок","\u002Fjavascript\u002Freact\u002Ftanstack-query\u002Fauthentication-and-errors","03.javascript\u002F04.react\u002F04.tanstack-query\u002F12.authentication-and-errors",{"title":2271,"path":2272,"stem":2273},"React Suspense та Майбутнє","\u002Fjavascript\u002Freact\u002Ftanstack-query\u002Freact-suspense","03.javascript\u002F04.react\u002F04.tanstack-query\u002F13.react-suspense",{"title":2275,"path":2276,"stem":2277},"Глибоке Занурення в Продуктивність","\u002Fjavascript\u002Freact\u002Ftanstack-query\u002Fperformance-deep-dive","03.javascript\u002F04.react\u002F04.tanstack-query\u002F14.performance-deep-dive",{"title":2279,"icon":2194,"path":2280,"stem":2281,"children":2282},"React Router","\u002Fjavascript\u002Freact\u002Freact-router","03.javascript\u002F04.react\u002F05.react-router\u002Findex",[2283,2285,2289,2293,2297,2301,2305,2309],{"title":2284,"path":2280,"stem":2281},"React Router: Навігаційна система сучасного вебу",{"title":2286,"path":2287,"stem":2288},"Налаштування та Базовий Роутинг","\u002Fjavascript\u002Freact\u002Freact-router\u002Fsetup-and-basic-routing","03.javascript\u002F04.react\u002F05.react-router\u002F01.setup-and-basic-routing",{"title":2290,"path":2291,"stem":2292},"Динамічна Навігація","\u002Fjavascript\u002Freact\u002Freact-router\u002Fnavigation-and-links","03.javascript\u002F04.react\u002F05.react-router\u002F02.navigation-and-links",{"title":2294,"path":2295,"stem":2296},"Вкладені Маршрути та Макети","\u002Fjavascript\u002Freact\u002Freact-router\u002Fnested-routes-and-layouts","03.javascript\u002F04.react\u002F05.react-router\u002F03.nested-routes-and-layouts",{"title":2298,"path":2299,"stem":2300},"Динамічні Маршрути та Параметри","\u002Fjavascript\u002Freact\u002Freact-router\u002Fdynamic-routing","03.javascript\u002F04.react\u002F05.react-router\u002F04.dynamic-routing",{"title":2302,"path":2303,"stem":2304},"Data APIs: Loaders та Actions","\u002Fjavascript\u002Freact\u002Freact-router\u002Fdata-loading","03.javascript\u002F04.react\u002F05.react-router\u002F05.data-loading",{"title":2306,"path":2307,"stem":2308},"Просунуті Патерни","\u002Fjavascript\u002Freact\u002Freact-router\u002Fadvanced-patterns","03.javascript\u002F04.react\u002F05.react-router\u002F06.advanced-patterns",{"title":2310,"path":2311,"stem":2312},"Legacy Routing: Компонентний підхід","\u002Fjavascript\u002Freact\u002Freact-router\u002Flegacy-routing","03.javascript\u002F04.react\u002F05.react-router\u002F07.legacy-routing",{"title":2314,"icon":132,"path":2315,"stem":2316,"children":2317},"Redux","\u002Fjavascript\u002Freact\u002Fredux","03.javascript\u002F04.react\u002F06.redux\u002Findex",[2318,2320,2336,2365,2374,2395,2411,2440],{"title":2319,"path":2315,"stem":2316},"Redux: Еволюція управління станом",{"title":14,"icon":15,"path":2321,"stem":2322,"children":2323,"page":59},"\u002Fjavascript\u002Freact\u002Fredux\u002Ffundamentals","03.javascript\u002F04.react\u002F06.redux\u002F01.fundamentals",[2324,2328,2332],{"title":2325,"path":2326,"stem":2327},"Вступ до State Management","\u002Fjavascript\u002Freact\u002Fredux\u002Ffundamentals\u002Fintro-state-management","03.javascript\u002F04.react\u002F06.redux\u002F01.fundamentals\u002F01.intro-state-management",{"title":2329,"path":2330,"stem":2331},"Філософія Redux та Три Принципи","\u002Fjavascript\u002Freact\u002Fredux\u002Ffundamentals\u002Fredux-philosophy","03.javascript\u002F04.react\u002F06.redux\u002F01.fundamentals\u002F02.redux-philosophy",{"title":2333,"path":2334,"stem":2335},"Чисті функції та Іммутабельність","\u002Fjavascript\u002Freact\u002Fredux\u002Ffundamentals\u002Fpure-functions-immutability","03.javascript\u002F04.react\u002F06.redux\u002F01.fundamentals\u002F03.pure-functions-immutability",{"title":2337,"icon":132,"path":2338,"stem":2339,"children":2340,"page":59},"Classic Redux","\u002Fjavascript\u002Freact\u002Fredux\u002Fclassic-redux","03.javascript\u002F04.react\u002F06.redux\u002F02.classic-redux",[2341,2345,2349,2353,2357,2361],{"title":2342,"path":2343,"stem":2344},"Створення Store (Classic Redux)","\u002Fjavascript\u002Freact\u002Fredux\u002Fclassic-redux\u002Fstore-setup","03.javascript\u002F04.react\u002F06.redux\u002F02.classic-redux\u002F01.store-setup",{"title":2346,"path":2347,"stem":2348},"Actions, Constants та Action Creators","\u002Fjavascript\u002Freact\u002Fredux\u002Fclassic-redux\u002Factions-constants","03.javascript\u002F04.react\u002F06.redux\u002F02.classic-redux\u002F02.actions-constants",{"title":2350,"path":2351,"stem":2352},"Логіка Reducers","\u002Fjavascript\u002Freact\u002Fredux\u002Fclassic-redux\u002Freducers","03.javascript\u002F04.react\u002F06.redux\u002F02.classic-redux\u002F03.reducers",{"title":2354,"path":2355,"stem":2356},"Комбінування Reducers (Root Reducer)","\u002Fjavascript\u002Freact\u002Fredux\u002Fclassic-redux\u002Fdata-flow","03.javascript\u002F04.react\u002F06.redux\u002F02.classic-redux\u002F04.data-flow",{"title":2358,"path":2359,"stem":2360},"Підключення до React (React-Redux)","\u002Fjavascript\u002Freact\u002Fredux\u002Fclassic-redux\u002Freact-redux-connection","03.javascript\u002F04.react\u002F06.redux\u002F02.classic-redux\u002F05.react-redux-connection",{"title":2362,"path":2363,"stem":2364},"Middleware та Асинхронність (Redux Thunk)","\u002Fjavascript\u002Freact\u002Fredux\u002Fclassic-redux\u002Fmiddleware-thunk","03.javascript\u002F04.react\u002F06.redux\u002F02.classic-redux\u002F06.middleware-thunk",{"title":2366,"icon":132,"path":2367,"stem":2368,"children":2369,"page":59},"Transition To Rtk","\u002Fjavascript\u002Freact\u002Fredux\u002Ftransition-to-rtk","03.javascript\u002F04.react\u002F06.redux\u002F03.transition-to-rtk",[2370],{"title":2371,"path":2372,"stem":2373},"Проблеми класичного Redux","\u002Fjavascript\u002Freact\u002Fredux\u002Ftransition-to-rtk\u002Fproblems-with-classic","03.javascript\u002F04.react\u002F06.redux\u002F03.transition-to-rtk\u002F01.problems-with-classic",{"title":2375,"icon":132,"path":2376,"stem":2377,"children":2378,"page":59},"Redux Toolkit","\u002Fjavascript\u002Freact\u002Fredux\u002Fredux-toolkit","03.javascript\u002F04.react\u002F06.redux\u002F04.redux-toolkit",[2379,2383,2387,2391],{"title":2380,"path":2381,"stem":2382},"Налаштування Store з configureStore","\u002Fjavascript\u002Freact\u002Fredux\u002Fredux-toolkit\u002Fconfigure-store","03.javascript\u002F04.react\u002F06.redux\u002F04.redux-toolkit\u002F01.configure-store",{"title":2384,"path":2385,"stem":2386},"createSlice: Революція в Redux","\u002Fjavascript\u002Freact\u002Fredux\u002Fredux-toolkit\u002Fcreate-slice","03.javascript\u002F04.react\u002F06.redux\u002F04.redux-toolkit\u002F02.create-slice",{"title":2388,"path":2389,"stem":2390},"Асинхронність з createAsyncThunk","\u002Fjavascript\u002Freact\u002Fredux\u002Fredux-toolkit\u002Fasync-thunks","03.javascript\u002F04.react\u002F06.redux\u002F04.redux-toolkit\u002F03.async-thunks",{"title":2392,"path":2393,"stem":2394},"04. Entity Adapter: Керування нормалізованим станом","\u002Fjavascript\u002Freact\u002Fredux\u002Fredux-toolkit\u002Fentity-adapter","03.javascript\u002F04.react\u002F06.redux\u002F04.redux-toolkit\u002F04.entity-adapter",{"title":2396,"icon":92,"path":2397,"stem":2398,"children":2399,"page":59},"Advanced","\u002Fjavascript\u002Freact\u002Fredux\u002Fadvanced","03.javascript\u002F04.react\u002F06.redux\u002F05.advanced",[2400,2404,2408],{"title":2401,"path":2402,"stem":2403},"Мемоізація та Селектори: Повний Гайд по Reselect","\u002Fjavascript\u002Freact\u002Fredux\u002Fadvanced\u002Fselectors-reselect","03.javascript\u002F04.react\u002F06.redux\u002F05.advanced\u002F01.selectors-reselect",{"title":2405,"path":2406,"stem":2407},"RTK Query: Архітектура Серверного Кешу","\u002Fjavascript\u002Freact\u002Fredux\u002Fadvanced\u002Frtk-query-intro","03.javascript\u002F04.react\u002F06.redux\u002F05.advanced\u002F02.rtk-query-intro",{"title":2255,"path":2409,"stem":2410},"\u002Fjavascript\u002Freact\u002Fredux\u002Fadvanced\u002Farchitecture-best-practices","03.javascript\u002F04.react\u002F06.redux\u002F05.advanced\u002F03.architecture-best-practices",{"title":2412,"icon":132,"path":2413,"stem":2414,"children":2415,"page":59},"Project Kanban","\u002Fjavascript\u002Freact\u002Fredux\u002Fproject-kanban","03.javascript\u002F04.react\u002F06.redux\u002F06.project-kanban",[2416,2420,2424,2428,2432,2436],{"title":2417,"path":2418,"stem":2419},"Проєкт: Kanban Board (Trello Clone)","\u002Fjavascript\u002Freact\u002Fredux\u002Fproject-kanban\u002Fproject-overview","03.javascript\u002F04.react\u002F06.redux\u002F06.project-kanban\u002F01.project-overview",{"title":2421,"path":2422,"stem":2423},"Налаштування та Типізація","\u002Fjavascript\u002Freact\u002Fredux\u002Fproject-kanban\u002Fsetup-and-types","03.javascript\u002F04.react\u002F06.redux\u002F06.project-kanban\u002F02.setup-and-types",{"title":2425,"path":2426,"stem":2427},"Board Slice: Серце Дошки","\u002Fjavascript\u002Freact\u002Fredux\u002Fproject-kanban\u002Fboard-slice","03.javascript\u002F04.react\u002F06.redux\u002F06.project-kanban\u002F03.board-slice",{"title":2429,"path":2430,"stem":2431},"Логіка Drag & Drop","\u002Fjavascript\u002Freact\u002Fredux\u002Fproject-kanban\u002Fdrag-and-drop-logic","03.javascript\u002F04.react\u002F06.redux\u002F06.project-kanban\u002F04.drag-and-drop-logic",{"title":2433,"path":2434,"stem":2435},"Інтеграція з RTK Query","\u002Fjavascript\u002Freact\u002Fredux\u002Fproject-kanban\u002Frtk-query-integration","03.javascript\u002F04.react\u002F06.redux\u002F06.project-kanban\u002F05.rtk-query-integration",{"title":2437,"path":2438,"stem":2439},"Optimistic Updates","\u002Fjavascript\u002Freact\u002Fredux\u002Fproject-kanban\u002Foptimistic-updates","03.javascript\u002F04.react\u002F06.redux\u002F06.project-kanban\u002F06.optimistic-updates",{"title":2441,"icon":132,"path":2442,"stem":2443,"children":2444,"page":59},"Testing","\u002Fjavascript\u002Freact\u002Fredux\u002Ftesting","03.javascript\u002F04.react\u002F06.redux\u002F07.testing",[2445,2449,2453,2457,2461],{"title":2446,"path":2447,"stem":2448},"Тестування Redux","\u002Fjavascript\u002Freact\u002Fredux\u002Ftesting\u002Fintro-testing","03.javascript\u002F04.react\u002F06.redux\u002F07.testing\u002F01.intro-testing",{"title":2450,"path":2451,"stem":2452},"Тестування Reducers","\u002Fjavascript\u002Freact\u002Fredux\u002Ftesting\u002Ftesting-reducers","03.javascript\u002F04.react\u002F06.redux\u002F07.testing\u002F02.testing-reducers",{"title":2454,"path":2455,"stem":2456},"Тестування Селекторів","\u002Fjavascript\u002Freact\u002Fredux\u002Ftesting\u002Ftesting-selectors","03.javascript\u002F04.react\u002F06.redux\u002F07.testing\u002F03.testing-selectors",{"title":2458,"path":2459,"stem":2460},"Тестування Компонентів (Integration)","\u002Fjavascript\u002Freact\u002Fredux\u002Ftesting\u002Ftesting-components","03.javascript\u002F04.react\u002F06.redux\u002F07.testing\u002F04.testing-components",{"title":2462,"path":2463,"stem":2464},"Тестування Async Thunks","\u002Fjavascript\u002Freact\u002Fredux\u002Ftesting\u002Ftesting-thunks","03.javascript\u002F04.react\u002F06.redux\u002F07.testing\u002F05.testing-thunks",{"title":2466,"icon":132,"path":2467,"stem":2468,"children":2469},"Ui Libraries","\u002Fjavascript\u002Freact\u002Fui-libraries","03.javascript\u002F04.react\u002F07.ui-libraries\u002Findex",[2470,2472,2476,2480,2484,2488,2492],{"title":2471,"path":2467,"stem":2468},"UI Бібліотеки в React",{"title":2473,"path":2474,"stem":2475},"Вступ до UI Бібліотек: Навіщо Винаходити Велосипед Двічі?","\u002Fjavascript\u002Freact\u002Fui-libraries\u002Fintroduction-to-ui-libraries","03.javascript\u002F04.react\u002F07.ui-libraries\u002F01.introduction-to-ui-libraries",{"title":2477,"path":2478,"stem":2479},"Філософія shadcn\u002Fui: \"Not a Component Library\"","\u002Fjavascript\u002Freact\u002Fui-libraries\u002Fshadcn-philosophy","03.javascript\u002F04.react\u002F07.ui-libraries\u002F02.shadcn-philosophy",{"title":2481,"path":2482,"stem":2483},"Установка та Налаштування shadcn\u002Fui","\u002Fjavascript\u002Freact\u002Fui-libraries\u002Fshadcn-installation","03.javascript\u002F04.react\u002F07.ui-libraries\u002F03.shadcn-installation",{"title":2485,"path":2486,"stem":2487},"Базові Компоненти shadcn\u002Fui: Фундамент Інтерфейсу","\u002Fjavascript\u002Freact\u002Fui-libraries\u002Fshadcn-components-basics","03.javascript\u002F04.react\u002F07.ui-libraries\u002F04.shadcn-components-basics",{"title":2489,"path":2490,"stem":2491},"Компоненти Форм: Побудова Інтерактивних Form","\u002Fjavascript\u002Freact\u002Fui-libraries\u002Fshadcn-components-forms","03.javascript\u002F04.react\u002F07.ui-libraries\u002F05.shadcn-components-forms",{"title":2493,"path":2494,"stem":2495},"Складні Компоненти: Dialog, Dropdown, Table та Command","\u002Fjavascript\u002Freact\u002Fui-libraries\u002Fshadcn-components-advanced","03.javascript\u002F04.react\u002F07.ui-libraries\u002F06.shadcn-components-advanced",{"title":2497,"icon":2498,"path":2499,"stem":2500,"children":2501,"page":59},"TypeScript","i-devicon-typescript","\u002Fjavascript\u002Ftypescript","03.javascript\u002F05.typescript",[2502,2506,2510,2514,2518,2522,2526,2530],{"title":2503,"path":2504,"stem":2505},"TypeScript: Броня для вашого коду","\u002Fjavascript\u002Ftypescript\u002Fintro-and-basic-types","03.javascript\u002F05.typescript\u002F01.intro-and-basic-types",{"title":2507,"path":2508,"stem":2509},"Майстерність Моделювання Даних: Інтерфейси та Просунуті Типи","\u002Fjavascript\u002Ftypescript\u002Finterfaces-and-advanced-types","03.javascript\u002F05.typescript\u002F02.interfaces-and-advanced-types",{"title":2511,"path":2512,"stem":2513},"Алхімія Типів: Generics та Utility Types","\u002Fjavascript\u002Ftypescript\u002Fgenerics-and-utilities","03.javascript\u002F05.typescript\u002F03.generics-and-utilities",{"title":2515,"path":2516,"stem":2517},"Архітектура та Шаблони: Класи в TypeScript","\u002Fjavascript\u002Ftypescript\u002Fclasses-and-oop","03.javascript\u002F05.typescript\u002F04.classes-and-oop",{"title":2519,"path":2520,"stem":2521},"Продакшн та Екосистема: Advanced Config & Workflow","\u002Fjavascript\u002Ftypescript\u002Fadvanced-patterns-and-config","03.javascript\u002F05.typescript\u002F05.advanced-patterns-and-config",{"title":2523,"path":2524,"stem":2525},"TypeScript у світі React","\u002Fjavascript\u002Ftypescript\u002Freact-basics","03.javascript\u002F05.typescript\u002F06.react-basics",{"title":2527,"path":2528,"stem":2529},"React + TypeScript: Продвинуті патерни","\u002Fjavascript\u002Ftypescript\u002Freact-advanced","03.javascript\u002F05.typescript\u002F07.react-advanced",{"title":2531,"path":2532,"stem":2533},"React + TypeScript: Екосистема та бібліотеки","\u002Fjavascript\u002Ftypescript\u002Freact-ecosystem","03.javascript\u002F05.typescript\u002F08.react-ecosystem",{"title":2535,"icon":2536,"path":2537,"stem":2538,"children":2539,"page":59},"Асинхронність","i-lucide-refresh-cw","\u002Fjavascript\u002Fasync-programming","03.javascript\u002F06.async-programming",[2540,2544,2548],{"title":2541,"path":2542,"stem":2543},"Event Loop: серце асинхронності в JavaScript","\u002Fjavascript\u002Fasync-programming\u002Fevent-loop-fundamentals","03.javascript\u002F06.async-programming\u002F01.event-loop-fundamentals",{"title":2545,"path":2546,"stem":2547},"Task Queue та Microtask Queue: пріоритети виконання","\u002Fjavascript\u002Fasync-programming\u002Ftask-queues","03.javascript\u002F06.async-programming\u002F02.task-queues",{"title":2549,"path":2550,"stem":2551},"Асинхронні патерни: від Callbacks до Async\u002FAwait","\u002Fjavascript\u002Fasync-programming\u002Fasync-patterns","03.javascript\u002F06.async-programming\u002F03.async-patterns",{"title":2553,"path":2554,"stem":2555},"Atomic Design","\u002Fjavascript\u002Fatomic-design","03.javascript\u002F2.atomic-design",{"title":2557,"icon":2558,"path":2559,"stem":2560,"children":2561,"page":59},"Java","i-devicon-java","\u002Fjava","04.java",[2562,2565,2568,2572,2576,2580,2584],{"title":162,"path":2563,"stem":2564},"\u002Fjava\u002Fdata-mapper-part1","04.java\u002F01.data-mapper-part1",{"title":166,"path":2566,"stem":2567},"\u002Fjava\u002Fdata-mapper-part2","04.java\u002F02.data-mapper-part2",{"title":2569,"path":2570,"stem":2571},"Service Layer: Організація бізнес-логіки","\u002Fjava\u002Fservice-layer","04.java\u002F03.service-layer",{"title":2573,"path":2574,"stem":2575},"Rich Domain Model та State Pattern","\u002Fjava\u002Frich-domain-model","04.java\u002F04.rich-domain-model",{"title":2577,"path":2578,"stem":2579},"Патерни для складної бізнес-логіки","\u002Fjava\u002Fbusiness-logic-patterns","04.java\u002F05.business-logic-patterns",{"title":2581,"path":2582,"stem":2583},"Обробка помилок та валідація","\u002Fjava\u002Ferror-handling-validation","04.java\u002F06.error-handling-validation",{"title":2585,"path":2586,"stem":2587,"children":2588,"page":59},"Проектування баз даних","\u002Fjava\u002Fpr2","04.java\u002Fpr2",[2589,2593,2597,2601,2605,2609,2613,2617,2621,2625,2629,2633,2637,2641,2645,2649,2653,2657,2661,2665,2669,2673,2677,2681,2685,2689,2693,2697,2701,2705,2709,2713,2717,2721,2725,2729,2733],{"title":2590,"path":2591,"stem":2592},"Концептуальне моделювання: Мистецтво розуміння предметної області","\u002Fjava\u002Fpr2\u002Fconceptual-modeling","04.java\u002Fpr2\u002F01.conceptual-modeling",{"title":2594,"path":2595,"stem":2596},"Логічне моделювання: Від бізнес-ідей до структур даних","\u002Fjava\u002Fpr2\u002Flogical-modeling","04.java\u002Fpr2\u002F02.logical-modeling",{"title":2598,"path":2599,"stem":2600},"Нормалізація: Гігієна даних та боротьба з аномаліями","\u002Fjava\u002Fpr2\u002Fnormalization","04.java\u002Fpr2\u002F03.normalization",{"title":2602,"path":2603,"stem":2604},"Фізична схема: Від абстракції до DDL","\u002Fjava\u002Fpr2\u002Fphysical-schema","04.java\u002Fpr2\u002F04.physical-schema",{"title":2606,"path":2607,"stem":2608},"Архітектурна класифікація таблиць","\u002Fjava\u002Fpr2\u002Ftable-classification","04.java\u002Fpr2\u002F05.table-classification",{"title":2610,"path":2611,"stem":2612},"Database Migrations: Версіонування схеми з Flyway","\u002Fjava\u002Fpr2\u002Fdatabase-migrations","04.java\u002Fpr2\u002F06.database-migrations",{"title":2614,"path":2615,"stem":2616},"А що, якби це була не реляційна БД?","\u002Fjava\u002Fpr2\u002Fbeyond-relational","04.java\u002Fpr2\u002F07.beyond-relational",{"title":2618,"path":2619,"stem":2620},"Object-Relational Impedance Mismatch: Два світи, що не хочуть дружити","\u002Fjava\u002Fpr2\u002Fimpedance-mismatch","04.java\u002Fpr2\u002F09.impedance-mismatch",{"title":2622,"path":2623,"stem":2624},"JDBC: Перший контакт із базою даних","\u002Fjava\u002Fpr2\u002Fjdbc-fundamentals","04.java\u002Fpr2\u002F10.jdbc-fundamentals",{"title":2626,"path":2627,"stem":2628},"Якість коду: Spotless, SpotBugs та SonarQube","\u002Fjava\u002Fpr2\u002F10a.code-quality","04.java\u002Fpr2\u002F10a.code-quality",{"title":2630,"path":2631,"stem":2632},"Connection Pool: Патерн Object Pool для JDBC-з'єднань","\u002Fjava\u002Fpr2\u002Fconnection-pool","04.java\u002Fpr2\u002F11.connection-pool",{"title":2634,"path":2635,"stem":2636},"Row Data Gateway: Об'єкт як обгортка рядка таблиці","\u002Fjava\u002Fpr2\u002Frow-data-gateway","04.java\u002Fpr2\u002F12.row-data-gateway",{"title":2638,"path":2639,"stem":2640},"Table Data Gateway: Фасад таблиці як архітектурний відступ","\u002Fjava\u002Fpr2\u002Ftable-data-gateway","04.java\u002Fpr2\u002F13.table-data-gateway",{"title":2642,"path":2643,"stem":2644},"Repository + Data Mapper: Правильна шарова архітектура з JDBC","\u002Fjava\u002Fpr2\u002Frepository-data-mapper","04.java\u002Fpr2\u002F14.repository-data-mapper",{"title":2646,"path":2647,"stem":2648},"Identity Map: Кешування сутностей у рамках сесії","\u002Fjava\u002Fpr2\u002Fidentity-map","04.java\u002Fpr2\u002F15.identity-map",{"title":2650,"path":2651,"stem":2652},"Unit of Work: Відстеження змін і координація JDBC-транзакцій","\u002Fjava\u002Fpr2\u002Funit-of-work","04.java\u002Fpr2\u002F16.unit-of-work",{"title":2654,"path":2655,"stem":2656},"Strategy: Замінювані SQL-стратегії для підтримки різних СУБД","\u002Fjava\u002Fpr2\u002Fstrategy-sql","04.java\u002Fpr2\u002F17.strategy-sql",{"title":2658,"path":2659,"stem":2660},"Proxy: Lazy Loading для One-To-Many колекцій","\u002Fjava\u002Fpr2\u002Fproxy-lazy-loading","04.java\u002Fpr2\u002F18.proxy-lazy-loading",{"title":2662,"path":2663,"stem":2664},"Generic Repository через Java Reflection: анотації та динамічний SQL","\u002Fjava\u002Fpr2\u002Fgeneric-repository-reflection","04.java\u002Fpr2\u002F19.generic-repository-reflection",{"title":2666,"path":2667,"stem":2668},"Specification Pattern: Композиція бізнес-правил для складних запитів","\u002Fjava\u002Fpr2\u002Fspecification-pattern","04.java\u002Fpr2\u002F20.specification-pattern",{"title":2670,"path":2671,"stem":2672},"Розширені можливості Specification Pattern: підзапити, агрегації та гібридний підхід","\u002Fjava\u002Fpr2\u002F20a.advanced-specifications","04.java\u002Fpr2\u002F20a.advanced-specifications",{"title":2674,"path":2675,"stem":2676},"Асинхронність у JDBC: Від блокуючих викликів до CompletableFuture","\u002Fjava\u002Fpr2\u002Fasynchronous-jdbc","04.java\u002Fpr2\u002F21.asynchronous-jdbc",{"title":2678,"path":2679,"stem":2680},"Інтеграційне тестування JDBC-репозиторіїв: Embedded H2 та патерн AAA","\u002Fjava\u002Fpr2\u002Fintegration-testing-h2","04.java\u002Fpr2\u002F22.integration-testing-h2",{"title":2682,"path":2683,"stem":2684},"Testcontainers: Тестування з реальною PostgreSQL у Docker-контейнерах","\u002Fjava\u002Fpr2\u002Fintegration-testing-testcontainers","04.java\u002Fpr2\u002F23.integration-testing-testcontainers",{"title":2686,"path":2687,"stem":2688},"Google Guice: Впровадження залежностей у JavaFX-проєкті","\u002Fjava\u002Fpr2\u002Fdependency-injection-guice","04.java\u002Fpr2\u002F24.dependency-injection-guice",{"title":2690,"path":2691,"stem":2692},"JavaFX: Основи побудови графічних інтерфейсів","\u002Fjava\u002Fpr2\u002Fjavafx-fundamentals","04.java\u002Fpr2\u002F25.javafx-fundamentals",{"title":2694,"path":2695,"stem":2696},"Properties та Bindings: Реактивність у JavaFX","\u002Fjava\u002Fpr2\u002Fjavafx-properties-bindings","04.java\u002Fpr2\u002F26.javafx-properties-bindings",{"title":2698,"path":2699,"stem":2700},"MVC vs MVP vs MVVM: Еволюція архітектурних патернів UI","\u002Fjava\u002Fpr2\u002Fui-architecture-patterns","04.java\u002Fpr2\u002F27.ui-architecture-patterns",{"title":2702,"path":2703,"stem":2704},"MVVM на практиці: Побудова ViewModel","\u002Fjava\u002Fpr2\u002Fmvvm-viewmodel-implementation","04.java\u002Fpr2\u002F28.mvvm-viewmodel-implementation",{"title":2706,"path":2707,"stem":2708},"View та Controller: Зв'язування з ViewModel через FXML","\u002Fjava\u002Fpr2\u002Fmvvm-view-controller","04.java\u002Fpr2\u002F29.mvvm-view-controller",{"title":2710,"path":2711,"stem":2712},"Інтеграція MVVM з Guice: Автоматична ін'єкція залежностей","\u002Fjava\u002Fpr2\u002Fmvvm-guice-integration","04.java\u002Fpr2\u002F30.mvvm-guice-integration",{"title":2714,"path":2715,"stem":2716},"Валідація та обробка помилок у MVVM","\u002Fjava\u002Fpr2\u002Fmvvm-validation-error-handling","04.java\u002Fpr2\u002F31.mvvm-validation-error-handling",{"title":2718,"path":2719,"stem":2720},"Навігація та управління екранами у JavaFX MVVM","\u002Fjava\u002Fpr2\u002Fmvvm-navigation-screen-management","04.java\u002Fpr2\u002F32.mvvm-navigation-screen-management",{"title":2722,"path":2723,"stem":2724},"Тестування JavaFX MVVM-додатків","\u002Fjava\u002Fpr2\u002Fmvvm-testing","04.java\u002Fpr2\u002F33.mvvm-testing",{"title":2726,"path":2727,"stem":2728},"Стилізація та теми у JavaFX: CSS та User Experience","\u002Fjava\u002Fpr2\u002Fjavafx-styling-themes","04.java\u002Fpr2\u002F34.javafx-styling-themes",{"title":2730,"path":2731,"stem":2732},"AtlantaFX: Сучасні теми для JavaFX додатків","\u002Fjava\u002Fpr2\u002Fatlantafx-modern-themes","04.java\u002Fpr2\u002F35.atlantafx-modern-themes",{"title":2734,"path":2735,"stem":2736},"Пакування та розповсюдження JavaFX-додатків","\u002Fjava\u002Fpr2\u002Fjar-packaging-distribution","04.java\u002Fpr2\u002F36.jar-packaging-distribution",{"title":2738,"icon":2739,"path":2740,"stem":2741,"children":2742,"page":59},"Python","i-devicon-python","\u002Fpython","05.python",[2743,2747,2750,2754,2758,2762,2766,2770,2774,2778,2782,2786,2790,2794,2798,2859],{"title":2744,"path":2745,"stem":2746},"Модулі, Пакети та Віртуальні Середовища","\u002Fpython\u002Fmodules-packages-venv","05.python\u002F00.modules-packages-venv",{"title":71,"path":2748,"stem":2749},"\u002Fpython\u002Fclasses-objects","05.python\u002F01.classes-objects",{"title":2751,"path":2752,"stem":2753},"Інкапсуляція, Керування Доступом та Властивості","\u002Fpython\u002Fencapsulation","05.python\u002F02.encapsulation",{"title":2755,"path":2756,"stem":2757},"Наслідування, MRO та суперсила super()","\u002Fpython\u002Finheritance-mro","05.python\u002F03.inheritance-mro",{"title":2759,"path":2760,"stem":2761},"Абстракція — ABC проти Статичних Протоколів (PEP 544)","\u002Fpython\u002Fabstraction-protocols","05.python\u002F04.abstraction-protocols",{"title":2763,"path":2764,"stem":2765},"Магічні методи (Dunder) та Емуляція протоколів","\u002Fpython\u002Fdunder-methods","05.python\u002F05.dunder-methods",{"title":2767,"path":2768,"stem":2769},"Декоратори та Керування життєвим циклом методів","\u002Fpython\u002Fdecorators-static-class","05.python\u002F06.decorators-static-class",{"title":2771,"path":2772,"stem":2773},"Дескриптори — Магія доступу до атрибутів","\u002Fpython\u002Fdescriptors","05.python\u002F07.descriptors",{"title":2775,"path":2776,"stem":2777},"Метакласи — Динамічне створення класів під капотом CPython","\u002Fpython\u002Fmetaclasses","05.python\u002F08.metaclasses",{"title":2779,"path":2780,"stem":2781},"Dataclasses, NamedTuple та сучасні контейнери Python","\u002Fpython\u002Fmodern-containers","05.python\u002F09.modern-containers",{"title":2783,"path":2784,"stem":2785},"GIL та модель конкурентності CPython — фундамент перед потоками і процесами","\u002Fpython\u002Fgil-concurrency-intro","05.python\u002F11.gil-concurrency-intro",{"title":2787,"path":2788,"stem":2789},"Threading — конкурентність для I\u002FO-bound задач","\u002Fpython\u002Fthreading","05.python\u002F12.threading",{"title":2791,"path":2792,"stem":2793},"Multiprocessing — справжній паралелізм для CPU-bound задач","\u002Fpython\u002Fmultiprocessing","05.python\u002F13.multiprocessing",{"title":2795,"path":2796,"stem":2797},"asyncio — кооперативна конкурентність та event loop","\u002Fpython\u002Fasyncio","05.python\u002F14.asyncio",{"title":2799,"icon":92,"path":2800,"stem":2801,"children":2802,"page":59},"FastAPI","\u002Fpython\u002Ffastapi","05.python\u002Ffastapi",[2803,2807,2811,2815,2819,2823,2827,2831,2835,2839,2843,2847,2851,2855],{"title":2804,"path":2805,"stem":2806},"Глибокий Typing та Pydantic v2 — від анотацій до валідації","\u002Fpython\u002Ffastapi\u002Ftyping-pydantic","05.python\u002Ffastapi\u002F15.typing-pydantic",{"title":2808,"path":2809,"stem":2810},"WSGI, ASGI та Python Web-екосистема","\u002Fpython\u002Ffastapi\u002Fwsgi-asgi-ecosystem","05.python\u002Ffastapi\u002F16.wsgi-asgi-ecosystem",{"title":2812,"path":2813,"stem":2814},"FastAPI: Перший додаток, Uvicorn та OpenAPI","\u002Fpython\u002Ffastapi\u002Ffastapi-intro","05.python\u002Ffastapi\u002F17.fastapi-intro",{"title":2816,"path":2817,"stem":2818},"Маршрутизація, параметри запитів та APIRouter","\u002Fpython\u002Ffastapi\u002Ffastapi-routing-params","05.python\u002Ffastapi\u002F18.fastapi-routing-params",{"title":2820,"path":2821,"stem":2822},"Pydantic v2 у FastAPI — схеми, валідація та серіалізація","\u002Fpython\u002Ffastapi\u002Ffastapi-pydantic-schemas","05.python\u002Ffastapi\u002F19.fastapi-pydantic-schemas",{"title":2824,"path":2825,"stem":2826},"Dependency Injection — серце архітектури FastAPI","\u002Fpython\u002Ffastapi\u002Ffastapi-dependency-injection","05.python\u002Ffastapi\u002F20.fastapi-dependency-injection",{"title":2828,"path":2829,"stem":2830},"Обробка помилок, Middleware та CORS у FastAPI","\u002Fpython\u002Ffastapi\u002Ffastapi-errors-middleware","05.python\u002Ffastapi\u002F21.fastapi-errors-middleware",{"title":2832,"path":2833,"stem":2834},"SQLAlchemy 2.0 — ORM, Core та Async Engine","\u002Fpython\u002Ffastapi\u002Fsqlalchemy-orm","05.python\u002Ffastapi\u002F22.sqlalchemy-orm",{"title":2836,"path":2837,"stem":2838},"Alembic — міграції бази даних","\u002Fpython\u002Ffastapi\u002Falembic-migrations","05.python\u002Ffastapi\u002F23.alembic-migrations",{"title":2840,"path":2841,"stem":2842},"Repository Pattern та Clean Architecture у FastAPI","\u002Fpython\u002Ffastapi\u002Ffastapi-repository-clean-arch","05.python\u002Ffastapi\u002F24.fastapi-repository-clean-arch",{"title":2844,"path":2845,"stem":2846},"Автентифікація та авторизація — JWT, OAuth2, RBAC","\u002Fpython\u002Ffastapi\u002Ffastapi-auth-security","05.python\u002Ffastapi\u002F25.fastapi-auth-security",{"title":2848,"path":2849,"stem":2850},"Тестування FastAPI — pytest, httpx, fixtures","\u002Fpython\u002Ffastapi\u002Ffastapi-testing","05.python\u002Ffastapi\u002F26.fastapi-testing",{"title":2852,"path":2853,"stem":2854},"Async на повну — Background Tasks, WebSockets, SSE та Celery","\u002Fpython\u002Ffastapi\u002Ffastapi-async-advanced","05.python\u002Ffastapi\u002F27.fastapi-async-advanced",{"title":2856,"path":2857,"stem":2858},"Deployment — Docker, CI\u002FCD, Monitoring","\u002Fpython\u002Ffastapi\u002Ffastapi-deployment","05.python\u002Ffastapi\u002F28.fastapi-deployment",{"title":2860,"path":2861,"stem":2862},"[object Object]","\u002Fpython\u002Foop-plan","05.python\u002Foop-plan",{"title":2864,"icon":2865,"path":2866,"stem":2867,"children":2868,"page":59},"Бази даних","i-lucide-database","\u002Fdatabases","06.databases",[2869,2899,2922,2959,2988,3006,3040,3052,3061],{"title":2870,"icon":2871,"path":2872,"stem":2873,"children":2874,"page":59},"Intro","i-lucide-play","\u002Fdatabases\u002Fintro","06.databases\u002F01.intro",[2875,2879,2883,2887,2891,2895],{"title":2876,"path":2877,"stem":2878},"Введення в теорію баз даних","\u002Fdatabases\u002Fintro\u002Fintroduction-to-databases","06.databases\u002F01.intro\u002F01.introduction-to-databases",{"title":2880,"path":2881,"stem":2882},"Реляційна модель даних","\u002Fdatabases\u002Fintro\u002Frelational-model-theory","06.databases\u002F01.intro\u002F02.relational-model-theory",{"title":2884,"path":2885,"stem":2886},"ER-моделювання","\u002Fdatabases\u002Fintro\u002Fer-modeling","06.databases\u002F01.intro\u002F03.er-modeling",{"title":2888,"path":2889,"stem":2890},"Логічне проектування БД","\u002Fdatabases\u002Fintro\u002Flogical-schema","06.databases\u002F01.intro\u002F04.logical-schema",{"title":2892,"path":2893,"stem":2894},"Класифікація таблиць","\u002Fdatabases\u002Fintro\u002Ftable-classification","06.databases\u002F01.intro\u002F05.table-classification",{"title":2896,"path":2897,"stem":2898},"PlantUML для баз даних","\u002Fdatabases\u002Fintro\u002Fplantuml-diagrams","06.databases\u002F01.intro\u002F06.plantuml-diagrams",{"title":2900,"icon":2865,"path":2901,"stem":2902,"children":2903,"page":59},"MS SQL Server Start","\u002Fdatabases\u002Fms-sql-server-start","06.databases\u002F02.ms-sql-server-start",[2904,2908,2914,2918],{"title":2905,"path":2906,"stem":2907},"Типи даних у MS SQL Server","\u002Fdatabases\u002Fms-sql-server-start\u002Fdata-types","06.databases\u002F02.ms-sql-server-start\u002F01.data-types",{"title":2909,"path":2910,"stem":2911,"children":2912},"Індекси у MS SQL Server","\u002Fdatabases\u002Fms-sql-server-start\u002Fsql-indexes","06.databases\u002F02.ms-sql-server-start\u002F02.sql-indexes",[2913],{"title":2909,"path":2910,"stem":2911},{"title":2915,"path":2916,"stem":2917},"Системні бази даних MS SQL Server","\u002Fdatabases\u002Fms-sql-server-start\u002Fsystem-databases","06.databases\u002F02.ms-sql-server-start\u002F03.system-databases",{"title":2919,"path":2920,"stem":2921},"Огляд мови SQL та запитів","\u002Fdatabases\u002Fms-sql-server-start\u002Fsql-queries-overview","06.databases\u002F02.ms-sql-server-start\u002F04.sql-queries-overview",{"title":2923,"icon":2865,"path":2924,"stem":2925,"children":2926,"page":59},"SQL","\u002Fdatabases\u002Fsql","06.databases\u002F03.sql",[2927,2931,2935,2939,2943,2947,2951,2955],{"title":2928,"path":2929,"stem":2930},"Налаштування демонстраційної бази даних","\u002Fdatabases\u002Fsql\u002Fsample-database-setup","06.databases\u002F03.sql\u002F00.sample-database-setup",{"title":2932,"path":2933,"stem":2934},"DDL - Створення таблиць (CREATE TABLE)","\u002Fdatabases\u002Fsql\u002Fddl-create-table","06.databases\u002F03.sql\u002F01.ddl-create-table",{"title":2936,"path":2937,"stem":2938},"DDL - Зміна та видалення таблиць (ALTER, DROP)","\u002Fdatabases\u002Fsql\u002Fddl-alter-drop-table","06.databases\u002F03.sql\u002F02.ddl-alter-drop-table",{"title":2940,"path":2941,"stem":2942},"SELECT запити - Основи","\u002Fdatabases\u002Fsql\u002Fselect-queries-fundamentals","06.databases\u002F03.sql\u002F03.select-queries-fundamentals",{"title":2944,"path":2945,"stem":2946},"SELECT запити - Розширені можливості","\u002Fdatabases\u002Fsql\u002Fselect-queries-advanced","06.databases\u002F03.sql\u002F04.select-queries-advanced",{"title":2948,"path":2949,"stem":2950},"INSERT запити - Додавання даних","\u002Fdatabases\u002Fsql\u002Finsert-queries","06.databases\u002F03.sql\u002F05.insert-queries",{"title":2952,"path":2953,"stem":2954},"UPDATE та DELETE запити","\u002Fdatabases\u002Fsql\u002Fupdate-delete-queries","06.databases\u002F03.sql\u002F06.update-delete-queries",{"title":2956,"path":2957,"stem":2958},"Транзакції в SQL","\u002Fdatabases\u002Fsql\u002Ftransactions","06.databases\u002F03.sql\u002F07.transactions",{"title":2960,"icon":2865,"path":2961,"stem":2962,"children":2963,"page":59},"Multi Table Databases","\u002Fdatabases\u002Fmulti-table-databases","06.databases\u002F04.multi-table-databases",[2964,2968,2972,2976,2980,2984],{"title":2965,"path":2966,"stem":2967},"Зв'язки та нормалізація БД","\u002Fdatabases\u002Fmulti-table-databases\u002Frelationships-and-normalization","06.databases\u002F04.multi-table-databases\u002F00.relationships-and-normalization",{"title":2969,"path":2970,"stem":2971},"INNER JOIN - З'єднання таблиць","\u002Fdatabases\u002Fmulti-table-databases\u002Finner-join","06.databases\u002F04.multi-table-databases\u002F01.inner-join",{"title":2973,"path":2974,"stem":2975},"OUTER JOINs - LEFT, RIGHT, FULL","\u002Fdatabases\u002Fmulti-table-databases\u002Fouter-joins","06.databases\u002F04.multi-table-databases\u002F02.outer-joins",{"title":2977,"path":2978,"stem":2979},"CROSS та SELF JOINs","\u002Fdatabases\u002Fmulti-table-databases\u002Fcross-self-joins","06.databases\u002F04.multi-table-databases\u002F03.cross-self-joins",{"title":2981,"path":2982,"stem":2983},"Підзапити (Subqueries)","\u002Fdatabases\u002Fmulti-table-databases\u002Fsubqueries","06.databases\u002F04.multi-table-databases\u002F04.subqueries",{"title":2985,"path":2986,"stem":2987},"Агрегації з JOIN","\u002Fdatabases\u002Fmulti-table-databases\u002Faggregations-with-joins","06.databases\u002F04.multi-table-databases\u002F05.aggregations-with-joins",{"title":2989,"icon":2990,"path":2991,"stem":2992,"children":2993,"page":59},"Aggregate Functions","i-lucide-calculator","\u002Fdatabases\u002Faggregate-functions","06.databases\u002F05.aggregate-functions",[2994,2998,3002],{"title":2995,"path":2996,"stem":2997},"Функції агрегування в MS SQL Server","\u002Fdatabases\u002Faggregate-functions\u002Fintroduction-aggregate-functions","06.databases\u002F05.aggregate-functions\u002F01.introduction-aggregate-functions",{"title":2999,"path":3000,"stem":3001},"Групування даних в MS SQL Server","\u002Fdatabases\u002Faggregate-functions\u002Fgrouping-data","06.databases\u002F05.aggregate-functions\u002F02.grouping-data",{"title":3003,"path":3004,"stem":3005},"Підзапити з агрегатними функціями","\u002Fdatabases\u002Faggregate-functions\u002Fsubqueries-aggregates","06.databases\u002F05.aggregate-functions\u002F03.subqueries-aggregates",{"title":3007,"icon":3008,"path":3009,"stem":3010,"children":3011,"page":59},"Тригери та зберігаємі процедури","i-lucide-database-zap","\u002Fdatabases\u002Ftriggers-stored-procedures","06.databases\u002F07.triggers-stored-procedures",[3012,3016,3020,3024,3028,3032,3036],{"title":3013,"path":3014,"stem":3015},"DML-тригери","\u002Fdatabases\u002Ftriggers-stored-procedures\u002Fdml-triggers","06.databases\u002F07.triggers-stored-procedures\u002F01.dml-triggers",{"title":3017,"path":3018,"stem":3019},"DDL-тригери","\u002Fdatabases\u002Ftriggers-stored-procedures\u002Fddl-triggers","06.databases\u002F07.triggers-stored-procedures\u002F02.ddl-triggers",{"title":3021,"path":3022,"stem":3023},"Transact-SQL розширення","\u002Fdatabases\u002Ftriggers-stored-procedures\u002Ftransact-sql-extensions","06.databases\u002F07.triggers-stored-procedures\u002F03.transact-sql-extensions",{"title":3025,"path":3026,"stem":3027},"Транзакції","\u002Fdatabases\u002Ftriggers-stored-procedures\u002Ftransactions","06.databases\u002F07.triggers-stored-procedures\u002F04.transactions",{"title":3029,"path":3030,"stem":3031},"Зберігаємі процедури","\u002Fdatabases\u002Ftriggers-stored-procedures\u002Fstored-procedures","06.databases\u002F07.triggers-stored-procedures\u002F05.stored-procedures",{"title":3033,"path":3034,"stem":3035},"Користувацькі функції","\u002Fdatabases\u002Ftriggers-stored-procedures\u002Fuser-defined-functions","06.databases\u002F07.triggers-stored-procedures\u002F06.user-defined-functions",{"title":3037,"path":3038,"stem":3039},"Безпека баз даних","\u002Fdatabases\u002Ftriggers-stored-procedures\u002Fsecurity","06.databases\u002F07.triggers-stored-procedures\u002F08.security",{"title":3037,"icon":793,"path":3041,"stem":3042,"children":3043,"page":59},"\u002Fdatabases\u002Fsecurity","06.databases\u002F08.security",[3044,3048],{"title":3045,"path":3046,"stem":3047},"Вступ до безпеки баз даних","\u002Fdatabases\u002Fsecurity\u002Fintroduction","06.databases\u002F08.security\u002F01.introduction",{"title":3049,"path":3050,"stem":3051},"Системні представлення та метадані","\u002Fdatabases\u002Fsecurity\u002Fsystem-views","06.databases\u002F08.security\u002F02.system-views",{"title":3053,"icon":3054,"path":3055,"stem":3056,"children":3057,"page":59},"Резервне копіювання та відновлення","i-lucide-database-backup","\u002Fdatabases\u002Fbackup-recovery","06.databases\u002F09.backup-recovery",[3058],{"title":3053,"path":3059,"stem":3060},"\u002Fdatabases\u002Fbackup-recovery\u002Fbackup-restore","06.databases\u002F09.backup-recovery\u002F01.backup-restore",{"title":3062,"icon":3063,"path":3064,"stem":3065,"children":3066,"page":59},"Повнотекстовий пошук","i-lucide-search","\u002Fdatabases\u002Ffull-text-search","06.databases\u002F10.full-text-search",[3067],{"title":3062,"path":3068,"stem":3069},"\u002Fdatabases\u002Ffull-text-search\u002Ffull-text-search","06.databases\u002F10.full-text-search\u002F01.full-text-search",{"title":3071,"icon":3072,"path":3073,"stem":3074,"children":3075,"page":59},"Tools","i-lucide-wrench","\u002Ftools","07.tools",[3076,3152],{"title":3077,"icon":3078,"path":3079,"stem":3080,"children":3081},"Docker","i-simple-icons-docker","\u002Ftools\u002Fdocker","07.tools\u002F01.docker\u002Findex",[3082,3084,3088,3092,3096,3100,3104,3108,3112,3116,3120,3124,3128,3132,3136,3140,3144,3148],{"title":3083,"path":3079,"stem":3080},"Docker: від нуля до production",{"title":3085,"path":3086,"stem":3087},"Контейнеризація — від проблеми до рішення","\u002Ftools\u002Fdocker\u002Fcontainerization-concept","07.tools\u002F01.docker\u002F01.containerization-concept",{"title":3089,"path":3090,"stem":3091},"Docker — що це і навіщо?","\u002Ftools\u002Fdocker\u002Fdocker-what-and-why","07.tools\u002F01.docker\u002F02.docker-what-and-why",{"title":3093,"path":3094,"stem":3095},"Архітектура Docker Engine","\u002Ftools\u002Fdocker\u002Fdocker-architecture","07.tools\u002F01.docker\u002F03.docker-architecture",{"title":3097,"path":3098,"stem":3099},"Встановлення Docker","\u002Ftools\u002Fdocker\u002Finstallation","07.tools\u002F01.docker\u002F04.installation",{"title":3101,"path":3102,"stem":3103},"Перший контейнер — docker run","\u002Ftools\u002Fdocker\u002Ffirst-container","07.tools\u002F01.docker\u002F05.first-container",{"title":3105,"path":3106,"stem":3107},"Життєвий цикл контейнера","\u002Ftools\u002Fdocker\u002Fcontainer-lifecycle","07.tools\u002F01.docker\u002F06.container-lifecycle",{"title":3109,"path":3110,"stem":3111},"Docker Images — фундаментальні концепції","\u002Ftools\u002Fdocker\u002Fdocker-images-fundamentals","07.tools\u002F01.docker\u002F07.docker-images-fundamentals",{"title":3113,"path":3114,"stem":3115},"Dockerfile — основи","\u002Ftools\u002Fdocker\u002Fdockerfile-basics","07.tools\u002F01.docker\u002F08.dockerfile-basics",{"title":3117,"path":3118,"stem":3119},"Dockerfile — просунуті техніки","\u002Ftools\u002Fdocker\u002Fdockerfile-advanced","07.tools\u002F01.docker\u002F09.dockerfile-advanced",{"title":3121,"path":3122,"stem":3123},"Build Context та кешування шарів","\u002Ftools\u002Fdocker\u002Fbuild-context-and-cache","07.tools\u002F01.docker\u002F10.build-context-and-cache",{"title":3125,"path":3126,"stem":3127},"Реєстри Docker-образів","\u002Ftools\u002Fdocker\u002Fimage-registries","07.tools\u002F01.docker\u002F11.image-registries",{"title":3129,"path":3130,"stem":3131},"Контейнеризація .NET додатків","\u002Ftools\u002Fdocker\u002Fdotnet-containerization","07.tools\u002F01.docker\u002F12.dotnet-containerization",{"title":3133,"path":3134,"stem":3135},"Томи та збереження даних","\u002Ftools\u002Fdocker\u002Fvolumes-and-data","07.tools\u002F01.docker\u002F13.volumes-and-data",{"title":3137,"path":3138,"stem":3139},"Основи мережі в Docker","\u002Ftools\u002Fdocker\u002Fnetworking-basics","07.tools\u002F01.docker\u002F14.networking-basics",{"title":3141,"path":3142,"stem":3143},"Змінні оточення та конфігурація","\u002Ftools\u002Fdocker\u002Fenvironment-and-configuration","07.tools\u002F01.docker\u002F15.environment-and-configuration",{"title":3145,"path":3146,"stem":3147},"Docker Compose — оркестрація контейнерів","\u002Ftools\u002Fdocker\u002Fdocker-compose-basics","07.tools\u002F01.docker\u002F16.docker-compose-basics",{"title":3149,"path":3150,"stem":3151},"Docker Compose — Multi-Service застосунки","\u002Ftools\u002Fdocker\u002Fcompose-multi-service","07.tools\u002F01.docker\u002F17.compose-multi-service",{"title":3153,"icon":3154,"path":3155,"stem":3156,"children":3157},"Kubernetes","simple-icons:kubernetes","\u002Ftools\u002Fkubernetes","07.tools\u002F02.kubernetes\u002Findex",[3158,3160,3164,3168,3172,3176,3180,3184,3188],{"title":3159,"path":3155,"stem":3156},"Kubernetes: від розробки до production",{"title":3161,"path":3162,"stem":3163},"Kubernetes — коли Docker Compose більше не вистачає","\u002Ftools\u002Fkubernetes\u002Fwhy-kubernetes","07.tools\u002F02.kubernetes\u002F01.why-kubernetes",{"title":3165,"path":3166,"stem":3167},"Архітектура Kubernetes — анатомія кластера","\u002Ftools\u002Fkubernetes\u002Fkubernetes-architecture","07.tools\u002F02.kubernetes\u002F02.kubernetes-architecture",{"title":3169,"path":3170,"stem":3171},"Локальне середовище — minikube, kind та k3s","\u002Ftools\u002Fkubernetes\u002Flocal-environment","07.tools\u002F02.kubernetes\u002F03.local-environment",{"title":3173,"path":3174,"stem":3175},"Pod — атомарна одиниця Kubernetes","\u002Ftools\u002Fkubernetes\u002Fpods-and-containers","07.tools\u002F02.kubernetes\u002F04.pods-and-containers",{"title":3177,"path":3178,"stem":3179},"Патерни використання Pod","\u002Ftools\u002Fkubernetes\u002Fpod-patterns","07.tools\u002F02.kubernetes\u002F05.pod-patterns",{"title":3181,"path":3182,"stem":3183},"Deployment — декларативне управління Pod","\u002Ftools\u002Fkubernetes\u002Fdeployment-basics","07.tools\u002F02.kubernetes\u002F06.deployment-basics",{"title":3185,"path":3186,"stem":3187},"Rolling Updates та управління життєвим циклом Deployment","\u002Ftools\u002Fkubernetes\u002Fdeployment-rolling-updates","07.tools\u002F02.kubernetes\u002F07.deployment-rolling-updates",{"title":3189,"path":3190,"stem":3191},"Service — мережева абстракція для Pod","\u002Ftools\u002Fkubernetes\u002Fservices-networking","07.tools\u002F02.kubernetes\u002F08.services-networking",{"title":3193,"icon":3194,"path":3195,"stem":3196,"children":3197,"page":59},"Software Engineering","i-lucide-code-2","\u002Fsoftware-engineering","09.software-engineering",[3198,3202,3206,3210,3214,3218,3222,3226,3230,3234,3238],{"title":3199,"path":3200,"stem":3201},"1. Аналіз предметної області. Експертні знання та складність","\u002Fsoftware-engineering\u002Fintro-subdomains","09.software-engineering\u002F01.intro-subdomains",{"title":3203,"path":3204,"stem":3205},"2. Обмежені контексти. Інтеграція обмежених контекстів","\u002Fsoftware-engineering\u002Fintegrating-limited-contexts","09.software-engineering\u002F02.integrating-limited-contexts",{"title":3207,"path":3208,"stem":3209},"3. Реалізація простої бізнес-логіки","\u002Fsoftware-engineering\u002Fsimple","09.software-engineering\u002F03.simple",{"title":3211,"path":3212,"stem":3213},"4. Опрацювання складної бізнес-логіки","\u002Fsoftware-engineering\u002Fcomplex-business-logic","09.software-engineering\u002F04.complex-business-logic",{"title":3215,"path":3216,"stem":3217},"5. Моделювання фактора часу. Подієво-орієнтована архітектура.","\u002Fsoftware-engineering\u002Fmodelling-the-time-factor","09.software-engineering\u002F05.modelling-the-time-factor",{"title":3219,"path":3220,"stem":3221},"6. Архітектурні патерни","\u002Fsoftware-engineering\u002Farchitectural-patterns","09.software-engineering\u002F06.architectural-patterns",{"title":3223,"path":3224,"stem":3225},"Паттерни взаємодії","\u002Fsoftware-engineering\u002Fpatterns-of-interaction","09.software-engineering\u002F07.patterns-of-interaction",{"title":3227,"path":3228,"stem":3229},"Евристика проєктування","\u002Fsoftware-engineering\u002Fdesign-heuristics","09.software-engineering\u002F08.design-heuristics",{"title":3231,"path":3232,"stem":3233},"Еволюція проєктних рішень","\u002Fsoftware-engineering\u002Fevolution-of-design-solutions","09.software-engineering\u002F09.evolution-of-design-solutions",{"title":3235,"path":3236,"stem":3237},"EventStorming","\u002Fsoftware-engineering\u002Feventstorming","09.software-engineering\u002F10.eventstorming",{"title":3239,"path":3240,"stem":3241},"DDD на практиці","\u002Fsoftware-engineering\u002Fddd-in-practice","09.software-engineering\u002F11.ddd-in-practice",{"title":3243,"icon":943,"path":3244,"stem":3245,"children":3246,"page":59},"DDD","\u002Fddd","10.ddd",[3247,3251,3255,3259,3263,3267,3271,3275,3279,3283,3287,3291,3295],{"title":3248,"path":3249,"stem":3250},"Аналіз предметної області","\u002Fddd\u002Fdomain-analysis","10.ddd\u002F01.domain-analysis",{"title":3252,"path":3253,"stem":3254},"Експертні знання про предметну область","\u002Fddd\u002Fdomain-expert-knowledge","10.ddd\u002F02.domain-expert-knowledge",{"title":3256,"path":3257,"stem":3258},"Як осмислити складність предметної області","\u002Fddd\u002Fmanaging-domain-complexity","10.ddd\u002F03.managing-domain-complexity",{"title":3260,"path":3261,"stem":3262},"Інтеграція обмежених контекстів","\u002Fddd\u002Fbounded-context-integration","10.ddd\u002F04.bounded-context-integration",{"title":3264,"path":3265,"stem":3266},"Реалізація простої бізнес-логіки","\u002Fddd\u002Fsimple-business-logic","10.ddd\u002F05.simple-business-logic",{"title":3268,"path":3269,"stem":3270},"Обробка складної бізнес-логіки","\u002Fddd\u002Fcomplex-business-logic","10.ddd\u002F06.complex-business-logic",{"title":3272,"path":3273,"stem":3274},"Моделювання фактора часу","\u002Fddd\u002Ftime-modeling","10.ddd\u002F07.time-modeling",{"title":3276,"path":3277,"stem":3278},"Глава 8. Архітектурні Патерни","\u002Fddd\u002Farchitectural-patterns","10.ddd\u002F08.architectural-patterns",{"title":3280,"path":3281,"stem":3282},"Глава 9. Патерни Взаємодії","\u002Fddd\u002Finteraction-patterns","10.ddd\u002F09.interaction-patterns",{"title":3284,"path":3285,"stem":3286},"Глава 10. Проектні Евристики","\u002Fddd\u002Fdesign-heuristics","10.ddd\u002F10.design-heuristics",{"title":3288,"path":3289,"stem":3290},"Глава 11. Еволюція Проектних Рішень","\u002Fddd\u002Fevolution-of-design-decisions","10.ddd\u002F11.evolution-of-design-decisions",{"title":3292,"path":3293,"stem":3294},"Глава 12. EventStorming","\u002Fddd\u002Fevent-storming","10.ddd\u002F12.event-storming",{"title":3296,"path":3297,"stem":3298},"Глава 13. DDD на Практиці","\u002Fddd\u002Fddd-in-practice","10.ddd\u002F13.ddd-in-practice",{"title":3300,"icon":3301,"path":3302,"stem":3303,"children":3304,"page":59},"Media Streaming","i-lucide-video","\u002Fmedia-streaming","11.media-streaming",[3305,3309,3313,3317,3321,3325,3329],{"title":3306,"path":3307,"stem":3308},"01. Магія Стрімінгу: Що відбувається, коли ви натискаєте \"Play\"","\u002Fmedia-streaming\u002Fintroduction","11.media-streaming\u002F01.introduction",{"title":3310,"path":3311,"stem":3312},"02. Анатомія Медіа: Кодеки, Контейнери та Стиснення","\u002Fmedia-streaming\u002Faudio-video-anatomy","11.media-streaming\u002F02.audio-video-anatomy",{"title":3314,"path":3315,"stem":3316},"03. The Gym: FFmpeg Deep Dive","\u002Fmedia-streaming\u002Fffmpeg-gym","11.media-streaming\u002F03.ffmpeg-gym",{"title":3318,"path":3319,"stem":3320},"04. HLS Protocol: HTTP Live Streaming у Деталях","\u002Fmedia-streaming\u002Fhls-protocol","11.media-streaming\u002F04.hls-protocol",{"title":3322,"path":3323,"stem":3324},"05. DASH Protocol: Відкритий Стандарт","\u002Fmedia-streaming\u002Fdash-protocol","11.media-streaming\u002F05.dash-protocol",{"title":3326,"path":3327,"stem":3328},"06. Масштабування: CDN та Adaptive Bitrate","\u002Fmedia-streaming\u002Fcdn-and-adaptive-bitrate","11.media-streaming\u002F06.cdn-and-adaptive-bitrate",{"title":3330,"path":3331,"stem":3332},"07. Війна із Затримкою (Latency)","\u002Fmedia-streaming\u002Frealtime-latency","11.media-streaming\u002F07.realtime-latency",{"title":3334,"icon":3335,"path":3336,"stem":3337,"children":3338,"page":59},"HTML & CSS","i-devicon-html5","\u002Fhtml-css","12.html-css",[3339,3343,3347,3351,3355,3359,3363,3367,3371,3375,3379,3383,3387,3391,3395,3399,3403,3407,3411,3415,3419,3423,3427,3431,3435,3439,3443,3447,3451,3455],{"title":3340,"path":3341,"stem":3342},"Вступ до HTML. Структура документа","\u002Fhtml-css\u002Fintro-html-structure","12.html-css\u002F01.intro-html-structure",{"title":3344,"path":3345,"stem":3346},"Форматування тексту в HTML","\u002Fhtml-css\u002Fhtml-text-formatting","12.html-css\u002F02.html-text-formatting",{"title":3348,"path":3349,"stem":3350},"Посилання та зображення в HTML","\u002Fhtml-css\u002Fhtml-links-images","12.html-css\u002F03.html-links-images",{"title":3352,"path":3353,"stem":3354},"Списки та таблиці в HTML","\u002Fhtml-css\u002Fhtml-lists-tables","12.html-css\u002F04.html-lists-tables",{"title":3356,"path":3357,"stem":3358},"Форми в HTML","\u002Fhtml-css\u002Fhtml-forms","12.html-css\u002F05.html-forms",{"title":3360,"path":3361,"stem":3362},"Семантичні елементи HTML5","\u002Fhtml-css\u002Fhtml-semantic-elements","12.html-css\u002F06.html-semantic-elements",{"title":3364,"path":3365,"stem":3366},"Мультимедіа та розширені елементи HTML","\u002Fhtml-css\u002Fhtml-multimedia-advanced","12.html-css\u002F07.html-multimedia-advanced",{"title":3368,"path":3369,"stem":3370},"Мікророзмітка та SEO в HTML","\u002Fhtml-css\u002Fhtml-microdata-seo","12.html-css\u002F08.html-microdata-seo",{"title":3372,"path":3373,"stem":3374},"Вступ до CSS. Селектори та специфічність","\u002Fhtml-css\u002Fcss-intro-selectors","12.html-css\u002F09.css-intro-selectors",{"title":3376,"path":3377,"stem":3378},"Блокова модель CSS. Відступи. Box Sizing","\u002Fhtml-css\u002Fcss-box-model","12.html-css\u002F10.css-box-model",{"title":3380,"path":3381,"stem":3382},"Розміри у CSS: повний довідник одиниць і ключових слів","\u002Fhtml-css\u002F10a.css-sizing","12.html-css\u002F10a.css-sizing",{"title":3384,"path":3385,"stem":3386},"Типографіка в CSS. Шрифти та текст","\u002Fhtml-css\u002Fcss-typography","12.html-css\u002F11.css-typography",{"title":3388,"path":3389,"stem":3390},"Кольори та фони в CSS","\u002Fhtml-css\u002Fcss-colors-backgrounds","12.html-css\u002F12.css-colors-backgrounds",{"title":3392,"path":3393,"stem":3394},"Тіні та фільтри в CSS","\u002Fhtml-css\u002F12b.css-shadows-filters","12.html-css\u002F12b.css-shadows-filters",{"title":3396,"path":3397,"stem":3398},"CSS Flexbox: Фундамент гнучких макетів","\u002Fhtml-css\u002Fcss-flexbox-fundamentals","12.html-css\u002F13.css-flexbox-fundamentals",{"title":3400,"path":3401,"stem":3402},"CSS Flexbox: Вирівнювання та Позиціонування","\u002Fhtml-css\u002Fcss-flexbox-alignment-sizing-and-patterns","12.html-css\u002F14.css-flexbox-alignment-sizing-and-patterns",{"title":3404,"path":3405,"stem":3406},"CSS Grid. Двовимірний макет. Частина 1","\u002Fhtml-css\u002Fcss-layout-grid","12.html-css\u002F15.css-layout-grid",{"title":3408,"path":3409,"stem":3410},"CSS Grid. Двовимірний макет. Частина 2","\u002Fhtml-css\u002Fcss-layout-grid-advanced","12.html-css\u002F16.css-layout-grid-advanced",{"title":3412,"path":3413,"stem":3414},"Позиціонування в CSS. Z-index. Stacking Context","\u002Fhtml-css\u002Fcss-positioning","12.html-css\u002F17.css-positioning",{"title":3416,"path":3417,"stem":3418},"CSS Анімації та Переходи","\u002Fhtml-css\u002Fcss-animations-transitions","12.html-css\u002F18.css-animations-transitions",{"title":3420,"path":3421,"stem":3422},"Адаптивний дизайн. Media Queries. Частина 1","\u002Fhtml-css\u002Fcss-responsive-media-queries","12.html-css\u002F19.css-responsive-media-queries",{"title":3424,"path":3425,"stem":3426},"Адаптивний дизайн. Частина 2: clamp(), Container Queries, @layer","\u002Fhtml-css\u002Fcss-responsive-advanced","12.html-css\u002F20.css-responsive-advanced",{"title":3428,"path":3429,"stem":3430},"CSS Custom Properties. Методології. Сучасний CSS","\u002Fhtml-css\u002Fcss-variables-methodologies","12.html-css\u002F21.css-variables-methodologies",{"title":3432,"path":3433,"stem":3434},"Сучасний CSS 2023–2025: Нові можливості","\u002Fhtml-css\u002Fcss-modern-features","12.html-css\u002F22.css-modern-features",{"title":3436,"path":3437,"stem":3438},"CSS Nesting, @layer, @scope та @property: нативний препроцесор","\u002Fhtml-css\u002F22a.css-nesting-modern-syntax","12.html-css\u002F22a.css-nesting-modern-syntax",{"title":3440,"path":3441,"stem":3442},"CSS для форм та інтерактивних станів","\u002Fhtml-css\u002Fcss-forms-interactive-states","12.html-css\u002F23.css-forms-interactive-states",{"title":3444,"path":3445,"stem":3446},"Доступність у CSS (CSS Accessibility)","\u002Fhtml-css\u002Fcss-accessibility","12.html-css\u002F24.css-accessibility",{"title":3448,"path":3449,"stem":3450},"CSS-функції та сучасні sizing primitives","\u002Fhtml-css\u002Fcss-functions-sizing","12.html-css\u002F25.css-functions-sizing",{"title":3452,"path":3453,"stem":3454},"Rendering Pipeline і CSS Performance","\u002Fhtml-css\u002Fcss-rendering-performance","12.html-css\u002F26.css-rendering-performance",{"title":3456,"path":3457,"stem":3458},"CSS Best Practices: типові ситуації та правильні рішення","\u002Fhtml-css\u002Fcss-best-practices","12.html-css\u002F27.css-best-practices",{"title":3460,"path":3461,"stem":3462,"children":3463,"page":59},"AWS","\u002Faws","13.aws",[3464,3468,3472,3476,3480,3484,3488,3492,3496,3500,3504,3508,3512,3516,3520,3524,3528,3532],{"title":3465,"path":3466,"stem":3467},"Реєстрація AWS акаунту та студентські програми","\u002Faws\u002Faccount-registration","13.aws\u002F00.account-registration",{"title":3469,"path":3470,"stem":3471},"Вступ до хмарних обчислень та AWS","\u002Faws\u002Fintroduction-to-cloud","13.aws\u002F01.introduction-to-cloud",{"title":3473,"path":3474,"stem":3475},"AWS IAM — Identity and Access Management","\u002Faws\u002Fiam","13.aws\u002F02.iam",{"title":3477,"path":3478,"stem":3479},"AWS IAM CLI — Довідник команд","\u002Faws\u002F02a.iam-doc","13.aws\u002F02a.iam-doc",{"title":3481,"path":3482,"stem":3483},"Docker та контейнеризація в AWS — ECR, ECS та Fargate","\u002Faws\u002Fdocker-ecs","13.aws\u002F03.docker-ecs",{"title":3485,"path":3486,"stem":3487},"AWS ECR \u002F ECS CLI — Довідник команд","\u002Faws\u002F03a.docker-ecs-doc","13.aws\u002F03a.docker-ecs-doc",{"title":3489,"path":3490,"stem":3491},"Amazon EC2 — Elastic Compute Cloud","\u002Faws\u002Fec2","13.aws\u002F04.ec2",{"title":3493,"path":3494,"stem":3495},"AWS EC2 CLI — Довідник команд","\u002Faws\u002F04a.ec2-doc","13.aws\u002F04a.ec2-doc",{"title":3497,"path":3498,"stem":3499},"Elastic Load Balancing та Auto Scaling","\u002Faws\u002Falb-asg","13.aws\u002F05.alb-asg",{"title":3501,"path":3502,"stem":3503},"Amazon S3 — Simple Storage Service","\u002Faws\u002Fs3","13.aws\u002F06.s3",{"title":3505,"path":3506,"stem":3507},"Amazon CloudFront — Content Delivery Network","\u002Faws\u002Fcloudfront","13.aws\u002F07.cloudfront",{"title":3509,"path":3510,"stem":3511},"Amazon RDS — Relational Database Service","\u002Faws\u002Frds","13.aws\u002F08.rds",{"title":3513,"path":3514,"stem":3515},"Amazon DynamoDB — NoSQL Database","\u002Faws\u002Fdynamodb","13.aws\u002F09.dynamodb",{"title":3517,"path":3518,"stem":3519},"AWS Lambda та Serverless Compute","\u002Faws\u002Flambda","13.aws\u002F10.lambda",{"title":3521,"path":3522,"stem":3523},"Amazon Bedrock - Foundation Models, RAG та Agents","\u002Faws\u002Fbedrock","13.aws\u002F22.bedrock",{"title":3525,"path":3526,"stem":3527},"Amazon Rekognition - Комп'ютерний зір","\u002Faws\u002Frekognition","13.aws\u002F23.rekognition",{"title":3529,"path":3530,"stem":3531},"Amazon Textract - Інтелектуальний аналіз документів","\u002Faws\u002Ftextract","13.aws\u002F24.textract",{"title":3533,"path":3534,"stem":3535},"Amazon Polly, Transcribe, Comprehend та Translate","\u002Faws\u002Faudio-nlp-services","13.aws\u002F25.audio-nlp-services",{"title":3537,"path":3538,"stem":3539,"children":3540,"page":59},"Ai Development","\u002Fai-development","14.ai-development",[3541],{"title":3542,"path":3543,"stem":3544,"children":3545,"page":59},"Foundations","\u002Fai-development\u002Ffoundations","14.ai-development\u002F00.foundations",[3546],{"title":3547,"path":3548,"stem":3549},"Модуль 0.1. Що таке Large Language Model (LLM)","\u002Fai-development\u002Ffoundations\u002Fwhat-is-llm","14.ai-development\u002F00.foundations\u002F01.what-is-llm",{"title":3551,"path":3552,"stem":3553,"children":3554,"page":59},"React Native","\u002Freact-native","15.react-native",[3555,3576],{"title":3556,"path":3557,"stem":3558,"children":3559,"page":59},"Version1","\u002Freact-native\u002Fversion1","15.react-native\u002Fversion1",[3560,3564,3568,3572],{"title":3561,"path":3562,"stem":3563},"Що таке React Native","\u002Freact-native\u002Fversion1\u002Fwhat-is-react-native","15.react-native\u002Fversion1\u002F01.what-is-react-native",{"title":3565,"path":3566,"stem":3567},"Як влаштований React Native «під капотом»","\u002Freact-native\u002Fversion1\u002Freact-native-architecture","15.react-native\u002Fversion1\u002F02.react-native-architecture",{"title":3569,"path":3570,"stem":3571},"Від React до React Native: ключові відмінності","\u002Freact-native\u002Fversion1\u002Freact-native-vs-react","15.react-native\u002Fversion1\u002F03.react-native-vs-react",{"title":3573,"path":3574,"stem":3575},"View та Text — фундаментальні будівельні блоки","\u002Freact-native\u002Fversion1\u002Fview-and-text","15.react-native\u002Fversion1\u002F04.view-and-text",{"title":3577,"path":3578,"stem":3579,"children":3580,"page":59},"Version2","\u002Freact-native\u002Fversion2","15.react-native\u002Fversion2",[3581,3585,3589,3593,3597,3601,3605,3609,3613,3617,3621,3625,3629,3633,3637,3641,3645,3649,3653,3657,3661,3665,3669,3673,3677,3681,3685],{"title":3582,"path":3583,"stem":3584},"React Native — навіщо він потрібен","\u002Freact-native\u002Fversion2\u002Fwhy-react-native","15.react-native\u002Fversion2\u002F01.why-react-native",{"title":3586,"path":3587,"stem":3588},"Налаштування середовища розробки","\u002Freact-native\u002Fversion2\u002Fenvironment-setup","15.react-native\u002Fversion2\u002F02.environment-setup",{"title":3590,"path":3591,"stem":3592},"Expo і класичний React Native — два шляхи одного фреймворку","\u002Freact-native\u002Fversion2\u002Fexpo-vs-cli-landscape","15.react-native\u002Fversion2\u002F03.expo-vs-cli-landscape",{"title":3594,"path":3595,"stem":3596},"Середовище Expo — перший запуск","\u002Freact-native\u002Fversion2\u002Fexpo-setup-and-tooling","15.react-native\u002Fversion2\u002F04.expo-setup-and-tooling",{"title":3598,"path":3599,"stem":3600},"Структура проєкту та перші UI-примітиви","\u002Freact-native\u002Fversion2\u002Fproject-structure-and-conventions","15.react-native\u002Fversion2\u002F05.project-structure-and-conventions",{"title":3602,"path":3603,"stem":3604},"Базові компоненти React Native","\u002Freact-native\u002Fversion2\u002Fcore-components","15.react-native\u002Fversion2\u002F06.core-components",{"title":3606,"path":3607,"stem":3608},"Flexbox і layout у React Native","\u002Freact-native\u002Fversion2\u002Fflexbox-and-layout","15.react-native\u002Fversion2\u002F07.flexbox-and-layout",{"title":3610,"path":3611,"stem":3612},"StyleSheet і теми (light \u002F dark)","\u002Freact-native\u002Fversion2\u002Fstylesheet-and-theming","15.react-native\u002Fversion2\u002F08.stylesheet-and-theming",{"title":3614,"path":3615,"stem":3616},"Списки та віртуалізація","\u002Freact-native\u002Fversion2\u002Flists-and-virtualization","15.react-native\u002Fversion2\u002F09.lists-and-virtualization",{"title":3618,"path":3619,"stem":3620},"Форми, ввід і валідація","\u002Freact-native\u002Fversion2\u002Fforms-input-validation","15.react-native\u002Fversion2\u002F10.forms-input-validation",{"title":3622,"path":3623,"stem":3624},"Основи Expo Router","\u002Freact-native\u002Fversion2\u002Fexpo-router-basics","15.react-native\u002Fversion2\u002F11.expo-router-basics",{"title":3626,"path":3627,"stem":3628},"Вкладені навігатори та модалки","\u002Freact-native\u002Fversion2\u002Fnested-navigators-and-modals","15.react-native\u002Fversion2\u002F12.nested-navigators-and-modals",{"title":3630,"path":3631,"stem":3632},"Deep linking і параметри маршрутів","\u002Freact-native\u002Fversion2\u002Fdeep-linking-and-params","15.react-native\u002Fversion2\u002F13.deep-linking-and-params",{"title":3634,"path":3635,"stem":3636},"Робота з мережею та життєвий цикл застосунку","\u002Freact-native\u002Fversion2\u002Fnetworking-and-app-lifecycle","15.react-native\u002Fversion2\u002F14.networking-and-app-lifecycle",{"title":3638,"path":3639,"stem":3640},"Redux Toolkit на мобільних платформах","\u002Freact-native\u002Fversion2\u002Fredux-toolkit-on-mobile","15.react-native\u002Fversion2\u002F15.redux-toolkit-on-mobile",{"title":3642,"path":3643,"stem":3644},"RTK Query на мобільних платформах","\u002Freact-native\u002Fversion2\u002Frtk-query-mobile","15.react-native\u002Fversion2\u002F16.rtk-query-mobile",{"title":3646,"path":3647,"stem":3648},"Автентифікація та Безпечне Зберігання","\u002Freact-native\u002Fversion2\u002Fauth-secure-storage","15.react-native\u002Fversion2\u002F18.auth-secure-storage",{"title":3650,"path":3651,"stem":3652},"Локальне сховище — AsyncStorage, MMKV, SQLite","\u002Freact-native\u002Fversion2\u002Flocal-storage-mmkv-sqlite","15.react-native\u002Fversion2\u002F19.local-storage-mmkv-sqlite",{"title":3654,"path":3655,"stem":3656},"Офлайн-First і синхронізація","\u002Freact-native\u002Fversion2\u002Foffline-first-sync","15.react-native\u002Fversion2\u002F20.offline-first-sync",{"title":3658,"path":3659,"stem":3660},"Камера, медіа та файлова система","\u002Freact-native\u002Fversion2\u002Fcamera-media-filesystem","15.react-native\u002Fversion2\u002F21.camera-media-filesystem",{"title":3662,"path":3663,"stem":3664},"Карти та геолокація","\u002Freact-native\u002Fversion2\u002Fmaps-and-location","15.react-native\u002Fversion2\u002F22.maps-and-location",{"title":3666,"path":3667,"stem":3668},"Жести та дотики","\u002Freact-native\u002Fversion2\u002Fgestures-and-touch","15.react-native\u002Fversion2\u002F23.gestures-and-touch",{"title":3670,"path":3671,"stem":3672},"Анімації з Reanimated","\u002Freact-native\u002Fversion2\u002Freanimated-animations","15.react-native\u002Fversion2\u002F24.reanimated-animations",{"title":3674,"path":3675,"stem":3676},"Push і локальні сповіщення","\u002Freact-native\u002Fversion2\u002Fpush-and-local-notifications","15.react-native\u002Fversion2\u002F25.push-and-local-notifications",{"title":3678,"path":3679,"stem":3680},"Інтернаціоналізація та доступність","\u002Freact-native\u002Fversion2\u002Faccessibility-and-i18n","15.react-native\u002Fversion2\u002F26.accessibility-and-i18n",{"title":3682,"path":3683,"stem":3684},"EAS Build та профілі збірки","\u002Freact-native\u002Fversion2\u002Feas-build-and-profiles","15.react-native\u002Fversion2\u002F29.eas-build-and-profiles",{"title":3686,"path":3687,"stem":3688},"Публікація в App Store та Google Play","\u002Freact-native\u002Fversion2\u002Fapp-store-play-release","15.react-native\u002Fversion2\u002F30.app-store-play-release",{"title":3690,"path":3691,"stem":3692,"children":3693,"page":59},"Ai Python","\u002Fai-python","16.ai-python",[3694,3703,3712,3721,3750,3776,3801,3834,3851,3864,3873,3886,3895,3916,3929,3950],{"title":3695,"path":3696,"stem":3697,"children":3698,"page":59},"Intro To Ai","\u002Fai-python\u002Fintro-to-ai","16.ai-python\u002F01.intro-to-ai",[3699],{"title":3700,"path":3701,"stem":3702},"Вступ до штучного інтелекту та машинного навчання","\u002Fai-python\u002Fintro-to-ai\u002Fintro-to-ai","16.ai-python\u002F01.intro-to-ai\u002F01.intro-to-ai",{"title":3704,"path":3705,"stem":3706,"children":3707,"page":59},"Jupyter Notebook","\u002Fai-python\u002Fjupyter-notebook","16.ai-python\u002F02.jupyter-notebook",[3708],{"title":3709,"path":3710,"stem":3711},"Знайомство з Jupyter Notebook та JupyterLab","\u002Fai-python\u002Fjupyter-notebook\u002Fjupyter-notebook","16.ai-python\u002F02.jupyter-notebook\u002F02.jupyter-notebook",{"title":3713,"path":3714,"stem":3715,"children":3716,"page":59},"Numpy Pandas","\u002Fai-python\u002Fnumpy-pandas","16.ai-python\u002F03.numpy-pandas",[3717],{"title":3718,"path":3719,"stem":3720},"Робота з даними з використанням NumPy і pandas","\u002Fai-python\u002Fnumpy-pandas\u002Fnumpy-pandas","16.ai-python\u002F03.numpy-pandas\u002F03.numpy-pandas",{"title":3722,"path":3723,"stem":3724,"children":3725,"page":59},"Statistics Basics","\u002Fai-python\u002Fstatistics-basics","16.ai-python\u002F04.statistics-basics",[3726,3730,3734,3738,3742,3746],{"title":3727,"path":3728,"stem":3729},"Випадкові величини та їх типи","\u002Fai-python\u002Fstatistics-basics\u002Frandom-variables","16.ai-python\u002F04.statistics-basics\u002F01.random-variables",{"title":3731,"path":3732,"stem":3733},"Міри центральної тенденції","\u002Fai-python\u002Fstatistics-basics\u002Fcentral-tendency","16.ai-python\u002F04.statistics-basics\u002F02.central-tendency",{"title":3735,"path":3736,"stem":3737},"Міри варіації (розсіювання)","\u002Fai-python\u002Fstatistics-basics\u002Fvariability","16.ai-python\u002F04.statistics-basics\u002F03.variability",{"title":3739,"path":3740,"stem":3741},"Розподіли випадкових величин","\u002Fai-python\u002Fstatistics-basics\u002Fdistributions","16.ai-python\u002F04.statistics-basics\u002F04.distributions",{"title":3743,"path":3744,"stem":3745},"Кореляція та взаємозв'язки","\u002Fai-python\u002Fstatistics-basics\u002Fcorrelation","16.ai-python\u002F04.statistics-basics\u002F05.correlation",{"title":3747,"path":3748,"stem":3749},"Викиди та аномалії","\u002Fai-python\u002Fstatistics-basics\u002Foutliers","16.ai-python\u002F04.statistics-basics\u002F06.outliers",{"title":3751,"path":3752,"stem":3753,"children":3754},"Візуалізація даних за допомогою matplotlib","\u002Fai-python\u002Fdata-visualization","16.ai-python\u002F05.data-visualization\u002Findex",[3755,3756,3760,3764,3768,3772],{"title":3751,"path":3752,"stem":3753},{"title":3757,"path":3758,"stem":3759},"Основи matplotlib — Figure, Axes та перший графік","\u002Fai-python\u002Fdata-visualization\u002Fmatplotlib-basics","16.ai-python\u002F05.data-visualization\u002F01.matplotlib-basics",{"title":3761,"path":3762,"stem":3763},"Візуалізація розподілів — гістограми та box plots","\u002Fai-python\u002Fdata-visualization\u002Fdistributions","16.ai-python\u002F05.data-visualization\u002F02.distributions",{"title":3765,"path":3766,"stem":3767},"Візуалізація залежностей — scatter plots та кореляція","\u002Fai-python\u002Fdata-visualization\u002Frelationships","16.ai-python\u002F05.data-visualization\u002F03.relationships",{"title":3769,"path":3770,"stem":3771},"Візуалізація категоріальних даних — bar charts та pie charts","\u002Fai-python\u002Fdata-visualization\u002Fcategorical","16.ai-python\u002F05.data-visualization\u002F04.categorical",{"title":3773,"path":3774,"stem":3775},"Композиції та стилізація — subplots та багатопанельні дашборди","\u002Fai-python\u002Fdata-visualization\u002Fsubplots-styling","16.ai-python\u002F05.data-visualization\u002F05.subplots-styling",{"title":3777,"path":3778,"stem":3779,"children":3780,"page":59},"Linear Regression","\u002Fai-python\u002Flinear-regression","16.ai-python\u002F06.linear-regression",[3781,3785,3789,3793,3797],{"title":3782,"path":3783,"stem":3784},"Регресійна задача та лінійна регресія з однією змінною","\u002Fai-python\u002Flinear-regression\u002Fregression-task","16.ai-python\u002F06.linear-regression\u002F01.regression-task",{"title":3786,"path":3787,"stem":3788},"Метрики якості регресії — як оцінити модель","\u002Fai-python\u002Flinear-regression\u002Fquality-metrics","16.ai-python\u002F06.linear-regression\u002F02.quality-metrics",{"title":3790,"path":3791,"stem":3792},"Градієнтний спуск — як модель навчається","\u002Fai-python\u002Flinear-regression\u002Fgradient-descent","16.ai-python\u002F06.linear-regression\u002F03.gradient-descent",{"title":3794,"path":3795,"stem":3796},"Множинна лінійна регресія — модель з багатьма ознаками","\u002Fai-python\u002Flinear-regression\u002Fmultiple-regression","16.ai-python\u002F06.linear-regression\u002F04.multiple-regression",{"title":3798,"path":3799,"stem":3800},"Практичні завдання та резюме модуля","\u002Fai-python\u002Flinear-regression\u002Fpractice","16.ai-python\u002F06.linear-regression\u002F05.practice",{"title":3802,"path":3803,"stem":3804,"children":3805,"page":59},"Practical Regression","\u002Fai-python\u002Fpractical-regression","16.ai-python\u002F07.practical-regression",[3806,3810,3814,3818,3822,3826,3830],{"title":3807,"path":3808,"stem":3809},"Знайомство з scikit-learn","\u002Fai-python\u002Fpractical-regression\u002Fintro-scikit-learn","16.ai-python\u002F07.practical-regression\u002F01.intro-scikit-learn",{"title":3811,"path":3812,"stem":3813},"Exploratory Data Analysis датасету Housing Prices","\u002Fai-python\u002Fpractical-regression\u002Fhousing-dataset-eda","16.ai-python\u002F07.practical-regression\u002F02.housing-dataset-eda",{"title":3815,"path":3816,"stem":3817},"Попередня обробка даних (Data Preprocessing)","\u002Fai-python\u002Fpractical-regression\u002Fdata-preprocessing","16.ai-python\u002F07.practical-regression\u002F03.data-preprocessing",{"title":3819,"path":3820,"stem":3821},"Train\u002FTest Split та перша повноцінна модель","\u002Fai-python\u002Fpractical-regression\u002Ftrain-test-split","16.ai-python\u002F07.practical-regression\u002F04.train-test-split",{"title":3823,"path":3824,"stem":3825},"Перенавчання та недонавчання","\u002Fai-python\u002Fpractical-regression\u002Foverfitting-underfitting","16.ai-python\u002F07.practical-regression\u002F05.overfitting-underfitting",{"title":3827,"path":3828,"stem":3829},"Крос-валідація (Cross-Validation)","\u002Fai-python\u002Fpractical-regression\u002Fcross-validation","16.ai-python\u002F07.practical-regression\u002F06.cross-validation",{"title":3831,"path":3832,"stem":3833},"Гіперпараметри та їх оптимізація","\u002Fai-python\u002Fpractical-regression\u002Fhyperparameter-tuning","16.ai-python\u002F07.practical-regression\u002F07.hyperparameter-tuning",{"title":3835,"path":3836,"stem":3837,"children":3838,"page":59},"Polynomial Regression","\u002Fai-python\u002Fpolynomial-regression","16.ai-python\u002F08.polynomial-regression",[3839,3843,3847],{"title":3840,"path":3841,"stem":3842},"Нелінійні залежності та поліноміальна регресія","\u002Fai-python\u002Fpolynomial-regression\u002Fnonlinear-patterns","16.ai-python\u002F08.polynomial-regression\u002F01.nonlinear-patterns",{"title":3844,"path":3845,"stem":3846},"Регуляризація в регресії — Ridge та Lasso","\u002Fai-python\u002Fpolynomial-regression\u002Fregularization-methods","16.ai-python\u002F08.polynomial-regression\u002F02.regularization-methods",{"title":3848,"path":3849,"stem":3850},"Практика — поліноміальна регресія та регуляризація на Housing Prices","\u002Fai-python\u002Fpolynomial-regression\u002Fhousing-prices-practice","16.ai-python\u002F08.polynomial-regression\u002F03.housing-prices-practice",{"title":3852,"path":3853,"stem":3854,"children":3855,"page":59},"Decision Trees Random Forest","\u002Fai-python\u002Fdecision-trees-random-forest","16.ai-python\u002F09.decision-trees-random-forest",[3856,3860],{"title":3857,"path":3858,"stem":3859},"Дерева рішень — моделі з прозорою та зрозумілою логікою","\u002Fai-python\u002Fdecision-trees-random-forest\u002Fdecision-trees","16.ai-python\u002F09.decision-trees-random-forest\u002F01.decision-trees",{"title":3861,"path":3862,"stem":3863},"Random Forest — ансамблі дерев рішень","\u002Fai-python\u002Fdecision-trees-random-forest\u002Frandom-forest","16.ai-python\u002F09.decision-trees-random-forest\u002F02.random-forest",{"title":3865,"path":3866,"stem":3867,"children":3868,"page":59},"Gradient Boosting","\u002Fai-python\u002Fgradient-boosting","16.ai-python\u002F10.gradient-boosting",[3869],{"title":3870,"path":3871,"stem":3872},"Градієнтний бустинг та XGBoost — послідовне виправлення помилок","\u002Fai-python\u002Fgradient-boosting\u002Fgradient-boosting-xgboost","16.ai-python\u002F10.gradient-boosting\u002F01.gradient-boosting-xgboost",{"title":3874,"path":3875,"stem":3876,"children":3877,"page":59},"Logistic Regression Classification","\u002Fai-python\u002Flogistic-regression-classification","16.ai-python\u002F11.logistic-regression-classification",[3878,3882],{"title":3879,"path":3880,"stem":3881},"Основи класифікації та логістична регресія","\u002Fai-python\u002Flogistic-regression-classification\u002Fclassification-basics","16.ai-python\u002F11.logistic-regression-classification\u002F01.classification-basics",{"title":3883,"path":3884,"stem":3885},"Метрики якості класифікації","\u002Fai-python\u002Flogistic-regression-classification\u002Fclassification-metrics","16.ai-python\u002F11.logistic-regression-classification\u002F02.classification-metrics",{"title":3887,"path":3888,"stem":3889,"children":3890,"page":59},"Neural Networks Basics","\u002Fai-python\u002Fneural-networks-basics","16.ai-python\u002F12.neural-networks-basics",[3891],{"title":3892,"path":3893,"stem":3894},"Вступ до нейронних мереж — від персептрона до багатошарових мереж","\u002Fai-python\u002Fneural-networks-basics\u002Fperceptron-to-mlp","16.ai-python\u002F12.neural-networks-basics\u002F01.perceptron-to-mlp",{"title":3896,"path":3897,"stem":3898,"children":3899,"page":59},"Pytorch Intro","\u002Fai-python\u002Fpytorch-intro","16.ai-python\u002F13.pytorch-intro",[3900,3904,3908,3912],{"title":3901,"path":3902,"stem":3903},"Тензори та автоматичне диференціювання в PyTorch","\u002Fai-python\u002Fpytorch-intro\u002Ftensors-and-autograd","16.ai-python\u002F13.pytorch-intro\u002F01.tensors-and-autograd",{"title":3905,"path":3906,"stem":3907},"Побудова та тренування нейронних мереж у PyTorch","\u002Fai-python\u002Fpytorch-intro\u002Fbuilding-and-training","16.ai-python\u002F13.pytorch-intro\u002F02.building-and-training",{"title":3909,"path":3910,"stem":3911},"Робота з даними та регуляризація в PyTorch","\u002Fai-python\u002Fpytorch-intro\u002Fdata-and-regularization","16.ai-python\u002F13.pytorch-intro\u002F03.data-and-regularization",{"title":3913,"path":3914,"stem":3915},"Просунуті теми PyTorch — GPU, оптимізація та deployment","\u002Fai-python\u002Fpytorch-intro\u002Fadvanced-topics","16.ai-python\u002F13.pytorch-intro\u002F04.advanced-topics",{"title":3917,"path":3918,"stem":3919,"children":3920,"page":59},"Activation Functions Heart Disease","\u002Fai-python\u002Factivation-functions-heart-disease","16.ai-python\u002F14.activation-functions-heart-disease",[3921,3925],{"title":3922,"path":3923,"stem":3924},"Функції активації та побудова нейронної мережі для передбачення вад серця","\u002Fai-python\u002Factivation-functions-heart-disease\u002Fheart-disease-prediction","16.ai-python\u002F14.activation-functions-heart-disease\u002F01.heart-disease-prediction",{"title":3926,"path":3927,"stem":3928},"Бонус — Повний приклад Student Performance Prediction","\u002Fai-python\u002Factivation-functions-heart-disease\u002Fstudent-performance-bonus","16.ai-python\u002F14.activation-functions-heart-disease\u002F02.student-performance-bonus",{"title":3930,"path":3931,"stem":3932,"children":3933,"page":59},"Cnn Image Classification","\u002Fai-python\u002Fcnn-image-classification","16.ai-python\u002F15.cnn-image-classification",[3934,3938,3942,3946],{"title":3935,"path":3936,"stem":3937},"Основи згорткових нейронних мереж — чому не MLP?","\u002Fai-python\u002Fcnn-image-classification\u002Fcnn-fundamentals","16.ai-python\u002F15.cnn-image-classification\u002F01.cnn-fundamentals",{"title":3939,"path":3940,"stem":3941},"Практична імплементація CNN для класифікації MNIST","\u002Fai-python\u002Fcnn-image-classification\u002Fmnist-classification","16.ai-python\u002F15.cnn-image-classification\u002F02.mnist-classification",{"title":3943,"path":3944,"stem":3945},"Глибші CNN та аугментація даних для CIFAR-10","\u002Fai-python\u002Fcnn-image-classification\u002Fcifar10-and-data-augmentation","16.ai-python\u002F15.cnn-image-classification\u002F03.cifar10-and-data-augmentation",{"title":3947,"path":3948,"stem":3949},"Transfer Learning та візуалізація внутрішніх представлень CNN","\u002Fai-python\u002Fcnn-image-classification\u002Ftransfer-learning-and-visualization","16.ai-python\u002F15.cnn-image-classification\u002F04.transfer-learning-and-visualization",{"title":3951,"path":3952,"stem":3953,"children":3954,"page":59},"Batching Normalization Deep Networks","\u002Fai-python\u002Fbatching-normalization-deep-networks","16.ai-python\u002F16.batching-normalization-deep-networks",[3955,3959,3963,3967,3971,3975,3979],{"title":3956,"path":3957,"stem":3958},"Mini-batch Gradient Descent та ефективна обробка даних","\u002Fai-python\u002Fbatching-normalization-deep-networks\u002Fmini-batch-gradient-descent","16.ai-python\u002F16.batching-normalization-deep-networks\u002F01.mini-batch-gradient-descent",{"title":3960,"path":3961,"stem":3962},"Ініціалізація ваг — фундамент стабільного навчання","\u002Fai-python\u002Fbatching-normalization-deep-networks\u002Fweight-initialization","16.ai-python\u002F16.batching-normalization-deep-networks\u002F02.weight-initialization",{"title":3964,"path":3965,"stem":3966},"Batch Normalization — прорив у глибокому навчанні","\u002Fai-python\u002Fbatching-normalization-deep-networks\u002Fbatch-normalization","16.ai-python\u002F16.batching-normalization-deep-networks\u002F03.batch-normalization",{"title":3968,"path":3969,"stem":3970},"Dropout та комбіновані стратегії регуляризації","\u002Fai-python\u002Fbatching-normalization-deep-networks\u002Fdropout-and-regularization","16.ai-python\u002F16.batching-normalization-deep-networks\u002F04.dropout-and-regularization",{"title":3972,"path":3973,"stem":3974},"Проєктування глибоких мереж — від теорії до практики","\u002Fai-python\u002Fbatching-normalization-deep-networks\u002Fdeep-networks-architectures","16.ai-python\u002F16.batching-normalization-deep-networks\u002F05.deep-networks-architectures",{"title":3976,"path":3977,"stem":3978},"Планування learning rate — коли та як зменшувати крок навчання","\u002Fai-python\u002Fbatching-normalization-deep-networks\u002Flearning-rate-scheduling","16.ai-python\u002F16.batching-normalization-deep-networks\u002F06.learning-rate-scheduling",{"title":3980,"path":3981,"stem":3982},"Підсумковий проєкт — побудова сучасного класифікатора зображень","\u002Fai-python\u002Fbatching-normalization-deep-networks\u002Ffinal-project-deep-classifier","16.ai-python\u002F16.batching-normalization-deep-networks\u002F07.final-project-deep-classifier",{"title":3984,"icon":658,"path":3985,"stem":3986,"children":3987,"page":59},"Клієнт-серверна архітектура","\u002Fclient-server-architecture","17.client-server-architecture",[3988,3992,3996,4000,4004,4008,4012,4016,4020,4024,4028,4032,4036,4040,4044,4048,4052,4056],{"title":3989,"path":3990,"stem":3991},"Архітектура клієнт-серверних систем та основи Go","\u002Fclient-server-architecture\u002Fclient-server-architecture-and-go","17.client-server-architecture\u002F01.client-server-architecture-and-go",{"title":3993,"path":3994,"stem":3995},"Система типів та модель пам’яті мови Go","\u002Fclient-server-architecture\u002Ftype-system-and-memory-model","17.client-server-architecture\u002F02.type-system-and-memory-model",{"title":3997,"path":3998,"stem":3999},"Інтерфейси та модель конкурентності мови Go","\u002Fclient-server-architecture\u002Finterfaces-and-concurrency-model","17.client-server-architecture\u002F03.interfaces-and-concurrency-model",{"title":4001,"path":4002,"stem":4003},"Сокетне програмування та протокол TCP у Go","\u002Fclient-server-architecture\u002Ftcp-socket-programming","17.client-server-architecture\u002F04.tcp-socket-programming",{"title":4005,"path":4006,"stem":4007},"Протокол UDP та датаграмна передача даних","\u002Fclient-server-architecture\u002Fudp-datagram-transmission","17.client-server-architecture\u002F05.udp-datagram-transmission",{"title":4009,"path":4010,"stem":4011},"Криптографічний захист каналів зв","\u002Fclient-server-architecture\u002Ftls-cryptographic-channel-protection","17.client-server-architecture\u002F06.tls-cryptographic-channel-protection",{"title":4013,"path":4014,"stem":4015},"Прикладні мережеві протоколи DNS та SMTP","\u002Fclient-server-architecture\u002Fdns-smtp-application-protocols","17.client-server-architecture\u002F07.dns-smtp-application-protocols",{"title":4017,"path":4018,"stem":4019},"Протокол HTTP та стандартний вебсервер Go","\u002Fclient-server-architecture\u002Fhttp-protocol-and-web-server","17.client-server-architecture\u002F08.http-protocol-and-web-server",{"title":4021,"path":4022,"stem":4023},"Проєктування REST API та маршрутизація засобами Chi","\u002Fclient-server-architecture\u002Frest-api-design-and-chi-routing","17.client-server-architecture\u002F09.rest-api-design-and-chi-routing",{"title":4025,"path":4026,"stem":4027},"Лекція 10. Шарувата архітектура та конвеєри обробки запитів","\u002Fclient-server-architecture\u002Flayered-architecture-and-middleware-pipelines","17.client-server-architecture\u002F10.layered-architecture-and-middleware-pipelines",{"title":4029,"path":4030,"stem":4031},"Лекція 11. Архітектура та маршрутизація фреймворку Gin","\u002Fclient-server-architecture\u002Fgin-framework-architecture-and-routing","17.client-server-architecture\u002F11.gin-framework-architecture-and-routing",{"title":4033,"path":4034,"stem":4035},"Лекція 12. Валідація даних, безпека та документування у Gin","\u002Fclient-server-architecture\u002Fdata-validation-security-and-documentation-in-gin","17.client-server-architecture\u002F12.data-validation-security-and-documentation-in-gin",{"title":4037,"path":4038,"stem":4039},"Лекція 13. Взаємодія з реляційними СУБД та технології ORM","\u002Fclient-server-architecture\u002Frelational-databases-and-orm","17.client-server-architecture\u002F13.relational-databases-and-orm",{"title":4041,"path":4042,"stem":4043},"Потокова передача даних та протокол WebSocket","\u002Fclient-server-architecture\u002Fstreaming-data-and-websockets","17.client-server-architecture\u002F14.streaming-data-and-websockets",{"title":4045,"path":4046,"stem":4047},"Міжсервісна взаємодія на основі протоколу gRPC","\u002Fclient-server-architecture\u002Fgrpc-inter-service-communication","17.client-server-architecture\u002F15.grpc-inter-service-communication",{"title":4049,"path":4050,"stem":4051},"Асинхронний обмін повідомленнями та протоколи черг","\u002Fclient-server-architecture\u002Fasynchronous-message-exchange-and-queue-protocols","17.client-server-architecture\u002F16.asynchronous-message-exchange-and-queue-protocols",{"title":4053,"path":4054,"stem":4055},"Протоколи потокового медіа та технологія WebRTC","\u002Fclient-server-architecture\u002Fstreaming-media-protocols-and-webrtc","17.client-server-architecture\u002F17.streaming-media-protocols-and-webrtc",{"title":4057,"path":4058,"stem":4059},"Моніторинг, безпека та контейнеризація застосунків","\u002Fclient-server-architecture\u002Fmonitoring-security-and-containerization","17.client-server-architecture\u002F18.monitoring-security-and-containerization",{"title":4061,"icon":2118,"path":4062,"stem":4063,"children":4064,"page":59},"Розробка WEB-застосувань","\u002Fweb-development","18.web-development",[4065,4110,4148,4177,4206,4263,4313,4407,4473,4555,4588,4616,4658,4704,4747],{"title":4066,"icon":658,"path":4067,"stem":4068,"children":4069,"page":59},"Архітектура комп'ютерних мереж та мережеві протоколи","\u002Fweb-development\u002Fnetwork-architecture-and-protocols","18.web-development\u002F01.network-architecture-and-protocols",[4070,4074,4078,4082,4086,4090,4094,4098,4102,4106],{"title":4071,"path":4072,"stem":4073},"Еволюція веброзробки та модель клієнт-сервер","\u002Fweb-development\u002Fnetwork-architecture-and-protocols\u002Fweb-evolution-client-server","18.web-development\u002F01.network-architecture-and-protocols\u002F01.web-evolution-client-server",{"title":4075,"path":4076,"stem":4077},"Еталонна модель OSI","\u002Fweb-development\u002Fnetwork-architecture-and-protocols\u002Fosi-model","18.web-development\u002F01.network-architecture-and-protocols\u002F02.osi-model",{"title":4079,"path":4080,"stem":4081},"Стек протоколів TCP\u002FIP","\u002Fweb-development\u002Fnetwork-architecture-and-protocols\u002Ftcp-ip-stack","18.web-development\u002F01.network-architecture-and-protocols\u002F03.tcp-ip-stack",{"title":4083,"path":4084,"stem":4085},"IP-адресація, порти та сокети","\u002Fweb-development\u002Fnetwork-architecture-and-protocols\u002Fip-addressing-ports-sockets","18.web-development\u002F01.network-architecture-and-protocols\u002F04.ip-addressing-ports-sockets",{"title":4087,"path":4088,"stem":4089},"Протоколи TCP та UDP","\u002Fweb-development\u002Fnetwork-architecture-and-protocols\u002Ftcp-udp-protocols","18.web-development\u002F01.network-architecture-and-protocols\u002F05.tcp-udp-protocols",{"title":4091,"path":4092,"stem":4093},"Система доменних імен DNS","\u002Fweb-development\u002Fnetwork-architecture-and-protocols\u002Fdns-system","18.web-development\u002F01.network-architecture-and-protocols\u002F06.dns-system",{"title":4095,"path":4096,"stem":4097},"Протокол SMTP та поштові протоколи","\u002Fweb-development\u002Fnetwork-architecture-and-protocols\u002Fsmtp-email-protocols","18.web-development\u002F01.network-architecture-and-protocols\u002F07.smtp-email-protocols",{"title":4099,"path":4100,"stem":4101},"Протокол WebSocket","\u002Fweb-development\u002Fnetwork-architecture-and-protocols\u002Fwebsocket-protocol","18.web-development\u002F01.network-architecture-and-protocols\u002F08.websocket-protocol",{"title":4103,"path":4104,"stem":4105},"Протокол SSH","\u002Fweb-development\u002Fnetwork-architecture-and-protocols\u002Fssh-protocol","18.web-development\u002F01.network-architecture-and-protocols\u002F09.ssh-protocol",{"title":4107,"path":4108,"stem":4109},"Огляд сучасних серверних технологій","\u002Fweb-development\u002Fnetwork-architecture-and-protocols\u002Fmodern-backend-technologies","18.web-development\u002F01.network-architecture-and-protocols\u002F10.modern-backend-technologies",{"title":4111,"icon":4112,"path":4113,"stem":4114,"children":4115,"page":59},"Протокол HTTP та захищена передача даних HTTPS","i-lucide-lock","\u002Fweb-development\u002Fhttp-and-https","18.web-development\u002F02.http-and-https",[4116,4120,4124,4128,4132,4136,4140,4144],{"title":4117,"path":4118,"stem":4119},"Вступ до протоколу HTTP та еволюція веб-технологій","\u002Fweb-development\u002Fhttp-and-https\u002Fintroduction-and-evolution","18.web-development\u002F02.http-and-https\u002F01.introduction-and-evolution",{"title":4121,"path":4122,"stem":4123},"Анатомія HTTP-запиту","\u002Fweb-development\u002Fhttp-and-https\u002Fhttp-request-structure","18.web-development\u002F02.http-and-https\u002F02.http-request-structure",{"title":4125,"path":4126,"stem":4127},"Анатомія HTTP-відповіді","\u002Fweb-development\u002Fhttp-and-https\u002Fhttp-response-structure","18.web-development\u002F02.http-and-https\u002F03.http-response-structure",{"title":4129,"path":4130,"stem":4131},"Методи HTTP та їхня семантика","\u002Fweb-development\u002Fhttp-and-https\u002Fhttp-methods","18.web-development\u002F02.http-and-https\u002F04.http-methods",{"title":4133,"path":4134,"stem":4135},"Коди статусу HTTP та їхнє призначення","\u002Fweb-development\u002Fhttp-and-https\u002Fhttp-status-codes","18.web-development\u002F02.http-and-https\u002F05.http-status-codes",{"title":4137,"path":4138,"stem":4139},"HTTP-заголовки та їхнє призначення","\u002Fweb-development\u002Fhttp-and-https\u002Fhttp-headers","18.web-development\u002F02.http-and-https\u002F06.http-headers",{"title":4141,"path":4142,"stem":4143},"CORS та механізми безпеки HTTP","\u002Fweb-development\u002Fhttp-and-https\u002Fcors-and-security","18.web-development\u002F02.http-and-https\u002F07.cors-and-security",{"title":4145,"path":4146,"stem":4147},"HTTPS та криптографічні основи TLS","\u002Fweb-development\u002Fhttp-and-https\u002Fhttps-and-tls","18.web-development\u002F02.http-and-https\u002F08.https-and-tls",{"title":4149,"icon":2498,"path":4150,"stem":4151,"children":4152,"page":59},"Система типів мови TypeScript","\u002Fweb-development\u002Ftypescript-type-system","18.web-development\u002F03.typescript-type-system",[4153,4157,4161,4165,4169,4173],{"title":4154,"path":4155,"stem":4156},"Знайомство з TypeScript Compiler","\u002Fweb-development\u002Ftypescript-type-system\u002Fintroduction-compiler-config","18.web-development\u002F03.typescript-type-system\u002F01.introduction-compiler-config",{"title":4158,"path":4159,"stem":4160},"Примітивні типи даних: string, number, boolean","\u002Fweb-development\u002Ftypescript-type-system\u002Fprimitive-special-types","18.web-development\u002F03.typescript-type-system\u002F02.primitive-special-types",{"title":4162,"path":4163,"stem":4164},"Масиви, кортежі та об","\u002Fweb-development\u002Ftypescript-type-system\u002Farrays-tuples-objects","18.web-development\u002F03.typescript-type-system\u002F03.arrays-tuples-objects",{"title":4166,"path":4167,"stem":4168},"Псевдоніми типів, Union типи, Intersection типи та літеральні типи","\u002Fweb-development\u002Ftypescript-type-system\u002Funion-intersection-literals","18.web-development\u002F03.typescript-type-system\u002F04.union-intersection-literals",{"title":4170,"path":4171,"stem":4172},"Type Narrowing (звуження типів)","\u002Fweb-development\u002Ftypescript-type-system\u002Ftype-narrowing","18.web-development\u002F03.typescript-type-system\u002F05.type-narrowing",{"title":4174,"path":4175,"stem":4176},"Типізація функцій","\u002Fweb-development\u002Ftypescript-type-system\u002Ffunctions-typing","18.web-development\u002F03.typescript-type-system\u002F06.functions-typing",{"title":4178,"icon":2498,"path":4179,"stem":4180,"children":4181,"page":59},"Розширені засоби мови TypeScript","\u002Fweb-development\u002Ftypescript-advanced","18.web-development\u002F04.typescript-advanced",[4182,4186,4190,4194,4198,4202],{"title":4183,"path":4184,"stem":4185},"Interfaces та Classes","\u002Fweb-development\u002Ftypescript-advanced\u002Finterfaces-classes","18.web-development\u002F04.typescript-advanced\u002F01.interfaces-classes",{"title":4187,"path":4188,"stem":4189},"Основи Generic типів","\u002Fweb-development\u002Ftypescript-advanced\u002Fgenerics-fundamentals","18.web-development\u002F04.typescript-advanced\u002F02.generics-fundamentals",{"title":4191,"path":4192,"stem":4193},"Enums та Decorators","\u002Fweb-development\u002Ftypescript-advanced\u002Fenums-decorators","18.web-development\u002F04.typescript-advanced\u002F03.enums-decorators",{"title":4195,"path":4196,"stem":4197},"Utility Types","\u002Fweb-development\u002Ftypescript-advanced\u002Futility-types","18.web-development\u002F04.typescript-advanced\u002F04.utility-types",{"title":4199,"path":4200,"stem":4201},"Mapped та Conditional Types","\u002Fweb-development\u002Ftypescript-advanced\u002Fmapped-conditional-types","18.web-development\u002F04.typescript-advanced\u002F05.mapped-conditional-types",{"title":4203,"path":4204,"stem":4205},"Модулі та Strict Mode","\u002Fweb-development\u002Ftypescript-advanced\u002Fmodules-strict-mode","18.web-development\u002F04.typescript-advanced\u002F06.modules-strict-mode",{"title":4207,"icon":4208,"path":4209,"stem":4210,"children":4211,"page":59},"Платформа Node.js як середовище виконання","i-devicon-nodejs","\u002Fweb-development\u002Fnodejs-platform","18.web-development\u002F05.nodejs-platform",[4212,4216,4220,4224,4228,4232,4236,4240,4244,4248,4252,4255,4259],{"title":4213,"path":4214,"stem":4215},"Що таке Node.js та його архітектура","\u002Fweb-development\u002Fnodejs-platform\u002Fwhat-is-nodejs","18.web-development\u002F05.nodejs-platform\u002F01.what-is-nodejs",{"title":4217,"path":4218,"stem":4219},"Event Loop — серце Node.js","\u002Fweb-development\u002Fnodejs-platform\u002Fevent-loop","18.web-development\u002F05.nodejs-platform\u002F02.event-loop",{"title":4221,"path":4222,"stem":4223},"Модульні системи: CommonJS vs ES Modules","\u002Fweb-development\u002Fnodejs-platform\u002Fmodule-systems","18.web-development\u002F05.nodejs-platform\u002F03.module-systems",{"title":4225,"path":4226,"stem":4227},"npm та package.json","\u002Fweb-development\u002Fnodejs-platform\u002Fnpm-package-json","18.web-development\u002F05.nodejs-platform\u002F04.npm-package-json",{"title":4229,"path":4230,"stem":4231},"Глобальні об\\","\u002Fweb-development\u002Fnodejs-platform\u002Fglobal-objects","18.web-development\u002F05.nodejs-platform\u002F05.global-objects",{"title":4233,"path":4234,"stem":4235},"Вбудований модуль fs (File System)","\u002Fweb-development\u002Fnodejs-platform\u002Fbuilt-in-modules-fs","18.web-development\u002F05.nodejs-platform\u002F06.built-in-modules-fs",{"title":4237,"path":4238,"stem":4239},"Вбудований модуль path","\u002Fweb-development\u002Fnodejs-platform\u002Fbuilt-in-modules-path","18.web-development\u002F05.nodejs-platform\u002F07.built-in-modules-path",{"title":4241,"path":4242,"stem":4243},"Вбудований модуль http","\u002Fweb-development\u002Fnodejs-platform\u002Fbuilt-in-modules-http","18.web-development\u002F05.nodejs-platform\u002F08.built-in-modules-http",{"title":4245,"path":4246,"stem":4247},"Streams — потоки даних у Node.js","\u002Fweb-development\u002Fnodejs-platform\u002Fstreams","18.web-development\u002F05.nodejs-platform\u002F09.streams",{"title":4249,"path":4250,"stem":4251},"Вбудований модуль util (Utilities)","\u002Fweb-development\u002Fnodejs-platform\u002Fbuilt-in-modules-util","18.web-development\u002F05.nodejs-platform\u002F10.built-in-modules-util",{"title":3141,"path":4253,"stem":4254},"\u002Fweb-development\u002Fnodejs-platform\u002Fenvironment-variables","18.web-development\u002F05.nodejs-platform\u002F11.environment-variables",{"title":4256,"path":4257,"stem":4258},"Інструменти налагодження та розробки","\u002Fweb-development\u002Fnodejs-platform\u002Fdebugging-tools","18.web-development\u002F05.nodejs-platform\u002F12.debugging-tools",{"title":4260,"path":4261,"stem":4262},"Продуктивність та Best Practices","\u002Fweb-development\u002Fnodejs-platform\u002Fperformance-best-practices","18.web-development\u002F05.nodejs-platform\u002F13.performance-best-practices",{"title":4264,"icon":4265,"path":4266,"stem":4267,"children":4268,"page":59},"Асинхронне програмування у Node.js","i-lucide-clock","\u002Fweb-development\u002Fasync-programming-nodejs","18.web-development\u002F06.async-programming-nodejs",[4269,4273,4277,4281,4285,4289,4293,4297,4301,4305,4309],{"title":4270,"path":4271,"stem":4272},"Синхронний vs асинхронний код","\u002Fweb-development\u002Fasync-programming-nodejs\u002Fsync-vs-async","18.web-development\u002F06.async-programming-nodejs\u002F01.sync-vs-async",{"title":4274,"path":4275,"stem":4276},"Callbacks — перша парадигма асинхронності","\u002Fweb-development\u002Fasync-programming-nodejs\u002Fcallbacks","18.web-development\u002F06.async-programming-nodejs\u002F02.callbacks",{"title":4278,"path":4279,"stem":4280},"Promises — стандарт асинхронності","\u002Fweb-development\u002Fasync-programming-nodejs\u002Fpromises","18.web-development\u002F06.async-programming-nodejs\u002F03.promises",{"title":4282,"path":4283,"stem":4284},"Promise комбінатори","\u002Fweb-development\u002Fasync-programming-nodejs\u002Fpromise-combinators","18.web-development\u002F06.async-programming-nodejs\u002F04.promise-combinators",{"title":4286,"path":4287,"stem":4288},"Async\u002FAwait — синтаксичний цукор над Promises","\u002Fweb-development\u002Fasync-programming-nodejs\u002Fasync-await","18.web-development\u002F06.async-programming-nodejs\u002F05.async-await",{"title":4290,"path":4291,"stem":4292},"Паралельне vs послідовне виконання","\u002Fweb-development\u002Fasync-programming-nodejs\u002Fparallel-vs-sequential","18.web-development\u002F06.async-programming-nodejs\u002F06.parallel-vs-sequential",{"title":4294,"path":4295,"stem":4296},"EventEmitter — подієва модель Node.js","\u002Fweb-development\u002Fasync-programming-nodejs\u002Fevent-emitter","18.web-development\u002F06.async-programming-nodejs\u002F07.event-emitter",{"title":4298,"path":4299,"stem":4300},"Worker Threads — багатопотоковість у Node.js","\u002Fweb-development\u002Fasync-programming-nodejs\u002Fworker-threads","18.web-development\u002F06.async-programming-nodejs\u002F08.worker-threads",{"title":4302,"path":4303,"stem":4304},"Child Processes — запуск зовнішніх процесів","\u002Fweb-development\u002Fasync-programming-nodejs\u002Fchild-processes","18.web-development\u002F06.async-programming-nodejs\u002F09.child-processes",{"title":4306,"path":4307,"stem":4308},"Обробка помилок у асинхронному коді","\u002Fweb-development\u002Fasync-programming-nodejs\u002Ferror-handling","18.web-development\u002F06.async-programming-nodejs\u002F10.error-handling",{"title":4310,"path":4311,"stem":4312},"Порівняння Node.js фреймворків","\u002Fweb-development\u002Fasync-programming-nodejs\u002Fnodejs-frameworks","18.web-development\u002F06.async-programming-nodejs\u002F11.nodejs-frameworks",{"title":4314,"icon":4315,"path":4316,"stem":4317,"children":4318,"page":59},"Тема 7. Фреймворк NestJS. Контролери та маршрутизація","i-lucide-route","\u002Fweb-development\u002Fnestjs-controllers-routing","18.web-development\u002F07.nestjs-controllers-routing",[4319,4323,4327,4331,4335,4339,4343,4347,4351,4355,4359,4363,4367,4371,4375,4379,4383,4387,4391,4395,4399,4403],{"title":4320,"path":4321,"stem":4322},"Філософія та архітектура NestJS","\u002Fweb-development\u002Fnestjs-controllers-routing\u002Fnestjs-philosophy","18.web-development\u002F07.nestjs-controllers-routing\u002F01.nestjs-philosophy",{"title":4324,"path":4325,"stem":4326},"Три стовпи архітектури: модулі, контролери, провайдери","\u002Fweb-development\u002Fnestjs-controllers-routing\u002Fthree-pillars","18.web-development\u002F07.nestjs-controllers-routing\u002F02.three-pillars",{"title":4328,"path":4329,"stem":4330},"Інверсія керування (IoC) та ін","\u002Fweb-development\u002Fnestjs-controllers-routing\u002Fioc-and-di","18.web-development\u002F07.nestjs-controllers-routing\u002F03.ioc-and-di",{"title":4332,"path":4333,"stem":4334},"Встановлення NestJS CLI та створення проєкту","\u002Fweb-development\u002Fnestjs-controllers-routing\u002Fnestjs-cli-setup","18.web-development\u002F07.nestjs-controllers-routing\u002F04.nestjs-cli-setup",{"title":4336,"path":4337,"stem":4338},"Структура проєкту NestJS та конвенції","\u002Fweb-development\u002Fnestjs-controllers-routing\u002Fproject-structure","18.web-development\u002F07.nestjs-controllers-routing\u002F05.project-structure",{"title":4340,"path":4341,"stem":4342},"Контролери: основи маршрутизації","\u002Fweb-development\u002Fnestjs-controllers-routing\u002Fcontrollers-basics","18.web-development\u002F07.nestjs-controllers-routing\u002F06.controllers-basics",{"title":4344,"path":4345,"stem":4346},"Декоратори маршрутизації HTTP-методів","\u002Fweb-development\u002Fnestjs-controllers-routing\u002Froute-decorators","18.web-development\u002F07.nestjs-controllers-routing\u002F07.route-decorators",{"title":4348,"path":4349,"stem":4350},"Параметри маршруту та декоратор @Param","\u002Fweb-development\u002Fnestjs-controllers-routing\u002Froute-parameters","18.web-development\u002F07.nestjs-controllers-routing\u002F08.route-parameters",{"title":4352,"path":4353,"stem":4354},"Query-параметри та декоратор @Query","\u002Fweb-development\u002Fnestjs-controllers-routing\u002Fquery-parameters","18.web-development\u002F07.nestjs-controllers-routing\u002F09.query-parameters",{"title":4356,"path":4357,"stem":4358},"Тіло запиту та декоратор @Body","\u002Fweb-development\u002Fnestjs-controllers-routing\u002Frequest-body","18.web-development\u002F07.nestjs-controllers-routing\u002F10.request-body",{"title":4360,"path":4361,"stem":4362},"Робота з заголовками запиту та відповіді","\u002Fweb-development\u002Fnestjs-controllers-routing\u002Fheaders-decorators","18.web-development\u002F07.nestjs-controllers-routing\u002F11.headers-decorators",{"title":4364,"path":4365,"stem":4366},"Data Transfer Objects (DTO): визначення та призначення","\u002Fweb-development\u002Fnestjs-controllers-routing\u002Fdto-introduction","18.web-development\u002F07.nestjs-controllers-routing\u002F12.dto-introduction",{"title":4368,"path":4369,"stem":4370},"Об'єкти Request та Response","\u002Fweb-development\u002Fnestjs-controllers-routing\u002Frequest-response-objects","18.web-development\u002F07.nestjs-controllers-routing\u002F13.request-response-objects",{"title":4372,"path":4373,"stem":4374},"HTTP-статус коди та декоратор @HttpCode","\u002Fweb-development\u002Fnestjs-controllers-routing\u002Fhttp-status-codes","18.web-development\u002F07.nestjs-controllers-routing\u002F14.http-status-codes",{"title":4376,"path":4377,"stem":4378},"Перенаправлення (Redirects) та декоратор @Redirect","\u002Fweb-development\u002Fnestjs-controllers-routing\u002Fredirects","18.web-development\u002F07.nestjs-controllers-routing\u002F15.redirects",{"title":4380,"path":4381,"stem":4382},"Асинхронні обробники та Observables","\u002Fweb-development\u002Fnestjs-controllers-routing\u002Fasync-handlers","18.web-development\u002F07.nestjs-controllers-routing\u002F16.async-handlers",{"title":4384,"path":4385,"stem":4386},"Маршрутизація за піддоменами та версіонування API","\u002Fweb-development\u002Fnestjs-controllers-routing\u002Fsub-domain-routing","18.web-development\u002F07.nestjs-controllers-routing\u002F17.sub-domain-routing",{"title":4388,"path":4389,"stem":4390},"Області видимості контролерів (Scopes)","\u002Fweb-development\u002Fnestjs-controllers-routing\u002Fcontroller-scopes","18.web-development\u002F07.nestjs-controllers-routing\u002F18.controller-scopes",{"title":4392,"path":4393,"stem":4394},"Основні команди NestJS CLI","\u002Fweb-development\u002Fnestjs-controllers-routing\u002Fnestjs-cli-commands","18.web-development\u002F07.nestjs-controllers-routing\u002F19.nestjs-cli-commands",{"title":4396,"path":4397,"stem":4398},"Практичний приклад: створення CRUD-контролера","\u002Fweb-development\u002Fnestjs-controllers-routing\u002Fcrud-example","18.web-development\u002F07.nestjs-controllers-routing\u002F20.crud-example",{"title":4400,"path":4401,"stem":4402},"Тестування контролерів","\u002Fweb-development\u002Fnestjs-controllers-routing\u002Ftesting-controllers","18.web-development\u002F07.nestjs-controllers-routing\u002F21.testing-controllers",{"title":4404,"path":4405,"stem":4406},"Best Practices для контролерів та маршрутизації","\u002Fweb-development\u002Fnestjs-controllers-routing\u002Fbest-practices","18.web-development\u002F07.nestjs-controllers-routing\u002F22.best-practices",{"title":4408,"icon":4409,"path":4410,"stem":4411,"children":4412,"page":59},"Тема 8. Провайдери, сервіси та модульна система NestJS","i-lucide-package","\u002Fweb-development\u002Fnestjs-providers-modules","18.web-development\u002F08.nestjs-providers-modules",[4413,4417,4421,4425,4429,4433,4437,4441,4445,4449,4453,4457,4461,4465,4469],{"title":4414,"path":4415,"stem":4416},"Концепція провайдерів у NestJS","\u002Fweb-development\u002Fnestjs-providers-modules\u002Fproviders-concept","18.web-development\u002F08.nestjs-providers-modules\u002F01.providers-concept",{"title":4418,"path":4419,"stem":4420},"Сервіси: інкапсуляція бізнес-логіки","\u002Fweb-development\u002Fnestjs-providers-modules\u002Fservices-business-logic","18.web-development\u002F08.nestjs-providers-modules\u002F02.services-business-logic",{"title":4422,"path":4423,"stem":4424},"Практика ін","\u002Fweb-development\u002Fnestjs-providers-modules\u002Fdependency-injection-practice","18.web-development\u002F08.nestjs-providers-modules\u002F03.dependency-injection-practice",{"title":4426,"path":4427,"stem":4428},"Custom Providers: useValue, useClass, useFactory, useExisting","\u002Fweb-development\u002Fnestjs-providers-modules\u002Fcustom-providers","18.web-development\u002F08.nestjs-providers-modules\u002F04.custom-providers",{"title":4430,"path":4431,"stem":4432},"Injection Tokens: рядкові та символьні токени","\u002Fweb-development\u002Fnestjs-providers-modules\u002Finjection-tokens","18.web-development\u002F08.nestjs-providers-modules\u002F05.injection-tokens",{"title":4434,"path":4435,"stem":4436},"Опціональні провайдери та декоратор @Optional","\u002Fweb-development\u002Fnestjs-providers-modules\u002Foptional-providers","18.web-development\u002F08.nestjs-providers-modules\u002F07.optional-providers",{"title":4438,"path":4439,"stem":4440},"Структура модулів: imports, controllers, providers, exports","\u002Fweb-development\u002Fnestjs-providers-modules\u002Fmodules-structure","18.web-development\u002F08.nestjs-providers-modules\u002F08.modules-structure",{"title":4442,"path":4443,"stem":4444},"Feature Modules: ізоляція функціональності","\u002Fweb-development\u002Fnestjs-providers-modules\u002Ffeature-modules","18.web-development\u002F08.nestjs-providers-modules\u002F09.feature-modules",{"title":4446,"path":4447,"stem":4448},"Shared Modules: перевикористання провайдерів","\u002Fweb-development\u002Fnestjs-providers-modules\u002Fshared-modules","18.web-development\u002F08.nestjs-providers-modules\u002F10.shared-modules",{"title":4450,"path":4451,"stem":4452},"Global Modules та декоратор @Global","\u002Fweb-development\u002Fnestjs-providers-modules\u002Fglobal-modules","18.web-development\u002F08.nestjs-providers-modules\u002F11.global-modules",{"title":4454,"path":4455,"stem":4456},"Dynamic Modules: конфігурація під час виконання","\u002Fweb-development\u002Fnestjs-providers-modules\u002Fdynamic-modules","18.web-development\u002F08.nestjs-providers-modules\u002F12.dynamic-modules",{"title":4458,"path":4459,"stem":4460},"Циклічні залежності та forwardRef","\u002Fweb-development\u002Fnestjs-providers-modules\u002Fcircular-dependencies","18.web-development\u002F08.nestjs-providers-modules\u002F13.circular-dependencies",{"title":4462,"path":4463,"stem":4464},"Lifecycle Hooks: хуки життєвого циклу","\u002Fweb-development\u002Fnestjs-providers-modules\u002Flifecycle-hooks","18.web-development\u002F08.nestjs-providers-modules\u002F14.lifecycle-hooks",{"title":4466,"path":4467,"stem":4468},"ModuleRef: динамічний доступ до провайдерів","\u002Fweb-development\u002Fnestjs-providers-modules\u002Fmodule-reference","18.web-development\u002F08.nestjs-providers-modules\u002F15.module-reference",{"title":4470,"path":4471,"stem":4472},"Тестування сервісів та провайдерів","\u002Fweb-development\u002Fnestjs-providers-modules\u002Ftesting-services","18.web-development\u002F08.nestjs-providers-modules\u002F16.testing-services",{"title":4474,"icon":4475,"path":4476,"stem":4477,"children":4478,"page":59},"Тема 9. Валідація даних та конвеєр обробки запитів у NestJS","i-lucide-filter","\u002Fweb-development\u002Fnestjs-validation-pipeline","18.web-development\u002F09.nestjs-validation-pipeline",[4479,4483,4487,4491,4495,4499,4503,4507,4511,4515,4519,4523,4527,4531,4535,4539,4543,4547,4551],{"title":4480,"path":4481,"stem":4482},"Request Pipeline: конвеєр обробки запитів","\u002Fweb-development\u002Fnestjs-validation-pipeline\u002Frequest-pipeline","18.web-development\u002F09.nestjs-validation-pipeline\u002F01.request-pipeline",{"title":4484,"path":4485,"stem":4486},"Pipes: концепція трансформації та валідації","\u002Fweb-development\u002Fnestjs-validation-pipeline\u002Fpipes-concept","18.web-development\u002F09.nestjs-validation-pipeline\u002F02.pipes-concept",{"title":4488,"path":4489,"stem":4490},"Вбудовані pipes: ParseIntPipe, ParseBoolPipe, ParseUUIDPipe","\u002Fweb-development\u002Fnestjs-validation-pipeline\u002Fbuilt-in-pipes","18.web-development\u002F09.nestjs-validation-pipeline\u002F03.built-in-pipes",{"title":4492,"path":4493,"stem":4494},"ValidationPipe: автоматична валідація DTO","\u002Fweb-development\u002Fnestjs-validation-pipeline\u002Fvalidation-pipe","18.web-development\u002F09.nestjs-validation-pipeline\u002F04.validation-pipe",{"title":4496,"path":4497,"stem":4498},"Декоратори class-validator для DTO","\u002Fweb-development\u002Fnestjs-validation-pipeline\u002Fclass-validator-decorators","18.web-development\u002F09.nestjs-validation-pipeline\u002F05.class-validator-decorators",{"title":4500,"path":4501,"stem":4502},"Створення кастомних валідаторів","\u002Fweb-development\u002Fnestjs-validation-pipeline\u002Fcustom-validators","18.web-development\u002F09.nestjs-validation-pipeline\u002F06.custom-validators",{"title":4504,"path":4505,"stem":4506},"Створення власних Pipes","\u002Fweb-development\u002Fnestjs-validation-pipeline\u002Fcustom-pipes","18.web-development\u002F09.nestjs-validation-pipeline\u002F07.custom-pipes",{"title":4508,"path":4509,"stem":4510},"Основи Middleware","\u002Fweb-development\u002Fnestjs-validation-pipeline\u002Fmiddleware-basics","18.web-development\u002F09.nestjs-validation-pipeline\u002F08.middleware-basics",{"title":4512,"path":4513,"stem":4514},"Практичні приклади Middleware","\u002Fweb-development\u002Fnestjs-validation-pipeline\u002Fmiddleware-examples","18.web-development\u002F09.nestjs-validation-pipeline\u002F09.middleware-examples",{"title":4516,"path":4517,"stem":4518},"Guards: захисні перехоплювачі доступу","\u002Fweb-development\u002Fnestjs-validation-pipeline\u002Fguards-concept","18.web-development\u002F09.nestjs-validation-pipeline\u002F10.guards-concept",{"title":4520,"path":4521,"stem":4522},"Створення кастомних Guards","\u002Fweb-development\u002Fnestjs-validation-pipeline\u002Fcustom-guards","18.web-development\u002F09.nestjs-validation-pipeline\u002F11.custom-guards",{"title":4524,"path":4525,"stem":4526},"Interceptors: перехоплення та трансформація відповідей","\u002Fweb-development\u002Fnestjs-validation-pipeline\u002Finterceptors-concept","18.web-development\u002F09.nestjs-validation-pipeline\u002F12.interceptors-concept",{"title":4528,"path":4529,"stem":4530},"Практичні приклади Interceptors","\u002Fweb-development\u002Fnestjs-validation-pipeline\u002Finterceptor-examples","18.web-development\u002F09.nestjs-validation-pipeline\u002F13.interceptor-examples",{"title":4532,"path":4533,"stem":4534},"Exception Filters: обробка виключень","\u002Fweb-development\u002Fnestjs-validation-pipeline\u002Fexception-filters","18.web-development\u002F09.nestjs-validation-pipeline\u002F14.exception-filters",{"title":4536,"path":4537,"stem":4538},"Custom Exception Filters: спеціалізовані фільтри","\u002Fweb-development\u002Fnestjs-validation-pipeline\u002Fcustom-exception-filters","18.web-development\u002F09.nestjs-validation-pipeline\u002F15.custom-exception-filters",{"title":4540,"path":4541,"stem":4542},"Execution Context: контекст виконання","\u002Fweb-development\u002Fnestjs-validation-pipeline\u002Fexecution-context","18.web-development\u002F09.nestjs-validation-pipeline\u002F16.execution-context",{"title":4544,"path":4545,"stem":4546},"Custom Decorators: власні декоратори","\u002Fweb-development\u002Fnestjs-validation-pipeline\u002Fcustom-decorators","18.web-development\u002F09.nestjs-validation-pipeline\u002F17.custom-decorators",{"title":4548,"path":4549,"stem":4550},"Global Components: глобальні компоненти","\u002Fweb-development\u002Fnestjs-validation-pipeline\u002Fglobal-components","18.web-development\u002F09.nestjs-validation-pipeline\u002F18.global-components",{"title":4552,"path":4553,"stem":4554},"Pipeline Best Practices: найкращі практики","\u002Fweb-development\u002Fnestjs-validation-pipeline\u002Fpipeline-best-practices","18.web-development\u002F09.nestjs-validation-pipeline\u002F19.pipeline-best-practices",{"title":4556,"icon":2865,"path":4557,"stem":4558,"children":4559,"page":59},"Інтеграція реляційних баз даних засобами TypeORM","\u002Fweb-development\u002Ftypeorm-integration","18.web-development\u002F10.typeorm-integration",[4560,4564,4568,4572,4576,4580,4584],{"title":4561,"path":4562,"stem":4563},"Робота з базами даних у Node.js через нативні драйвери","\u002Fweb-development\u002Ftypeorm-integration\u002F01-nodejs-database-drivers","18.web-development\u002F10.typeorm-integration\u002F01-nodejs-database-drivers",{"title":4565,"path":4566,"stem":4567},"ORM та знайомство з TypeORM","\u002Fweb-development\u002Ftypeorm-integration\u002F02-orm-and-typeorm-intro","18.web-development\u002F10.typeorm-integration\u002F02-orm-and-typeorm-intro",{"title":4569,"path":4570,"stem":4571},"Налаштування TypeORM у NestJS проєкті","\u002Fweb-development\u002Ftypeorm-integration\u002F03-typeorm-setup-nestjs","18.web-development\u002F10.typeorm-integration\u002F03-typeorm-setup-nestjs",{"title":4573,"path":4574,"stem":4575},"Entity класи та декоратори TypeORM","\u002Fweb-development\u002Ftypeorm-integration\u002F04-entities-and-decorators","18.web-development\u002F10.typeorm-integration\u002F04-entities-and-decorators",{"title":4577,"path":4578,"stem":4579},"Repository Pattern та CRUD операції","\u002Fweb-development\u002Ftypeorm-integration\u002F05-repository-pattern-crud","18.web-development\u002F10.typeorm-integration\u002F05-repository-pattern-crud",{"title":4581,"path":4582,"stem":4583},"Пагінація та фільтрація даних","\u002Fweb-development\u002Ftypeorm-integration\u002F06-pagination-filtering","18.web-development\u002F10.typeorm-integration\u002F06-pagination-filtering",{"title":4585,"path":4586,"stem":4587},"QueryBuilder для складних запитів","\u002Fweb-development\u002Ftypeorm-integration\u002F07-query-builder","18.web-development\u002F10.typeorm-integration\u002F07-query-builder",{"title":4589,"icon":4590,"path":4591,"stem":4592,"children":4593,"page":59},"Зв'язки між сутностями, міграції та оптимізація запитів","i-lucide-git-branch","\u002Fweb-development\u002Fentity-relations-migrations","18.web-development\u002F11.entity-relations-migrations",[4594,4598,4602,4606,4610],{"title":4595,"path":4596,"stem":4597},"Зв'язки One-to-Many та Many-to-One","\u002Fweb-development\u002Fentity-relations-migrations\u002F01-one-to-many-many-to-one","18.web-development\u002F11.entity-relations-migrations\u002F01-one-to-many-many-to-one",{"title":4599,"path":4600,"stem":4601},"Зв'язки One-to-One та Many-to-Many","\u002Fweb-development\u002Fentity-relations-migrations\u002F02-one-to-one-many-to-many","18.web-development\u002F11.entity-relations-migrations\u002F02-one-to-one-many-to-many",{"title":4603,"path":4604,"stem":4605},"Керування міграціями бази даних","\u002Fweb-development\u002Fentity-relations-migrations\u002F03-migrations-management","18.web-development\u002F11.entity-relations-migrations\u002F03-migrations-management",{"title":4607,"path":4608,"stem":4609},"Транзакції у TypeORM","\u002Fweb-development\u002Fentity-relations-migrations\u002F04-transactions","18.web-development\u002F11.entity-relations-migrations\u002F04-transactions",{"title":4611,"path":4612,"stem":4613,"children":4614},"Індекси та оптимізація запитів","\u002Fweb-development\u002Fentity-relations-migrations\u002F05-indexes-optimization","18.web-development\u002F11.entity-relations-migrations\u002F05-indexes-optimization",[4615],{"title":4611,"path":4612,"stem":4613},{"title":4617,"icon":4618,"path":4619,"stem":4620,"children":4621,"page":59},"Механізми автентифікації у вебзастосунках","i-lucide-key","\u002Fweb-development\u002Fauthentication","18.web-development\u002F12.authentication",[4622,4626,4630,4634,4638,4642,4646,4650,4654],{"title":4623,"path":4624,"stem":4625},"Автентифікація vs Авторизація","\u002Fweb-development\u002Fauthentication\u002F01-authentication-vs-authorization","18.web-development\u002F12.authentication\u002F01-authentication-vs-authorization",{"title":4627,"path":4628,"stem":4629},"Стратегії автентифікації","\u002Fweb-development\u002Fauthentication\u002F02-authentication-strategies","18.web-development\u002F12.authentication\u002F02-authentication-strategies",{"title":4631,"path":4632,"stem":4633},"Автентифікація на основі сесій","\u002Fweb-development\u002Fauthentication\u002F03-session-based-authentication","18.web-development\u002F12.authentication\u002F03-session-based-authentication",{"title":4635,"path":4636,"stem":4637},"Структура JSON Web Token (JWT)","\u002Fweb-development\u002Fauthentication\u002F04-jwt-structure","18.web-development\u002F12.authentication\u002F04-jwt-structure",{"title":4639,"path":4640,"stem":4641},"Інтеграція JWT у NestJS","\u002Fweb-development\u002Fauthentication\u002F05-nestjs-jwt-integration","18.web-development\u002F12.authentication\u002F05-nestjs-jwt-integration",{"title":4643,"path":4644,"stem":4645},"Passport.js стратегії у NestJS","\u002Fweb-development\u002Fauthentication\u002F06-passport-strategies","18.web-development\u002F12.authentication\u002F06-passport-strategies",{"title":4647,"path":4648,"stem":4649},"Безпечне зберігання паролів: хешування та криптографічний захист","\u002Fweb-development\u002Fauthentication\u002F07-password-hashing","18.web-development\u002F12.authentication\u002F07-password-hashing",{"title":4651,"path":4652,"stem":4653},"Refresh Token та безпечне оновлення доступу","\u002Fweb-development\u002Fauthentication\u002F08-refresh-tokens","18.web-development\u002F12.authentication\u002F08-refresh-tokens",{"title":4655,"path":4656,"stem":4657},"OAuth 2.0 та OpenID Connect: делегована автентифікація","\u002Fweb-development\u002Fauthentication\u002F09-oauth2-openid","18.web-development\u002F12.authentication\u002F09-oauth2-openid",{"title":4659,"icon":4660,"path":4661,"stem":4662,"children":4663,"page":59},"Авторизація та безпека серверних застосунків","i-lucide-shield","\u002Fweb-development\u002Fauthorization-security","18.web-development\u002F13.authorization-security",[4664,4668,4672,4676,4680,4684,4688,4692,4696,4700],{"title":4665,"path":4666,"stem":4667},"Моделі авторизації","\u002Fweb-development\u002Fauthorization-security\u002F01-authorization-models","18.web-development\u002F13.authorization-security\u002F01-authorization-models",{"title":4669,"path":4670,"stem":4671},"Реалізація RBAC у NestJS","\u002Fweb-development\u002Fauthorization-security\u002F02-rbac-implementation","18.web-development\u002F13.authorization-security\u002F02-rbac-implementation",{"title":4673,"path":4674,"stem":4675},"Permission-Based Access Control","\u002Fweb-development\u002Fauthorization-security\u002F03-permission-based-access","18.web-development\u002F13.authorization-security\u002F03-permission-based-access",{"title":4677,"path":4678,"stem":4679},"ABAC та бібліотека CASL","\u002Fweb-development\u002Fauthorization-security\u002F04-abac-casl","18.web-development\u002F13.authorization-security\u002F04-abac-casl",{"title":4681,"path":4682,"stem":4683},"Кастомні декоратори та метадані","\u002Fweb-development\u002Fauthorization-security\u002F05-custom-decorators-metadata","18.web-development\u002F13.authorization-security\u002F05-custom-decorators-metadata",{"title":4685,"path":4686,"stem":4687},"Конфігурація CORS","\u002Fweb-development\u002Fauthorization-security\u002F06-cors-configuration","18.web-development\u002F13.authorization-security\u002F06-cors-configuration",{"title":4689,"path":4690,"stem":4691},"Захист через HTTP Security Headers (Helmet)","\u002Fweb-development\u002Fauthorization-security\u002F07-helmet-security-headers","18.web-development\u002F13.authorization-security\u002F07-helmet-security-headers",{"title":4693,"path":4694,"stem":4695},"Rate Limiting та Throttling","\u002Fweb-development\u002Fauthorization-security\u002F08-rate-limiting-throttling","18.web-development\u002F13.authorization-security\u002F08-rate-limiting-throttling",{"title":4697,"path":4698,"stem":4699},"Захист від поширених атак","\u002Fweb-development\u002Fauthorization-security\u002F09-common-attacks-protection","18.web-development\u002F13.authorization-security\u002F09-common-attacks-protection",{"title":4701,"path":4702,"stem":4703},"HTTPS у продакшені","\u002Fweb-development\u002Fauthorization-security\u002F10-https-production","18.web-development\u002F13.authorization-security\u002F10-https-production",{"title":4705,"icon":871,"path":4706,"stem":4707,"children":4708,"page":59},"Комунікація у реальному часі, нотифікації та фонові задачі","\u002Fweb-development\u002Frealtime-notifications-jobs","18.web-development\u002F14.realtime-notifications-jobs",[4709,4713,4717,4721,4725,4729,4732,4735,4739,4743],{"title":4710,"path":4711,"stem":4712},"Методи комунікації у реальному часі","\u002Fweb-development\u002Frealtime-notifications-jobs\u002F01-realtime-communication-methods","18.web-development\u002F14.realtime-notifications-jobs\u002F01-realtime-communication-methods",{"title":4714,"path":4715,"stem":4716},"WebSocket Gateway у NestJS","\u002Fweb-development\u002Frealtime-notifications-jobs\u002F02-websocket-gateway","18.web-development\u002F14.realtime-notifications-jobs\u002F02-websocket-gateway",{"title":4718,"path":4719,"stem":4720},"Lifecycle та Rooms у WebSocket","\u002Fweb-development\u002Frealtime-notifications-jobs\u002F03-websocket-lifecycle-rooms","18.web-development\u002F14.realtime-notifications-jobs\u002F03-websocket-lifecycle-rooms",{"title":4722,"path":4723,"stem":4724},"Server-Sent Events (SSE)","\u002Fweb-development\u002Frealtime-notifications-jobs\u002F04-server-sent-events","18.web-development\u002F14.realtime-notifications-jobs\u002F04-server-sent-events",{"title":4726,"path":4727,"stem":4728},"Архітектура системи нотифікацій","\u002Fweb-development\u002Frealtime-notifications-jobs\u002F05-notification-system","18.web-development\u002F14.realtime-notifications-jobs\u002F05-notification-system",{"title":904,"path":4730,"stem":4731},"\u002Fweb-development\u002Frealtime-notifications-jobs\u002F06-email-notifications","18.web-development\u002F14.realtime-notifications-jobs\u002F06-email-notifications",{"title":900,"path":4733,"stem":4734},"\u002Fweb-development\u002Frealtime-notifications-jobs\u002F07-web-push-notifications","18.web-development\u002F14.realtime-notifications-jobs\u002F07-web-push-notifications",{"title":4736,"path":4737,"stem":4738},"Фонові задачі та черги","\u002Fweb-development\u002Frealtime-notifications-jobs\u002F08-background-jobs-queues","18.web-development\u002F14.realtime-notifications-jobs\u002F08-background-jobs-queues",{"title":4740,"path":4741,"stem":4742},"Планувальники та Cron jobs","\u002Fweb-development\u002Frealtime-notifications-jobs\u002F09-schedulers-cron","18.web-development\u002F14.realtime-notifications-jobs\u002F09-schedulers-cron",{"title":4744,"path":4745,"stem":4746},"Практичні сценарії застосування","\u002Fweb-development\u002Frealtime-notifications-jobs\u002F10-practical-scenarios","18.web-development\u002F14.realtime-notifications-jobs\u002F10-practical-scenarios",{"title":4748,"icon":4749,"path":4750,"stem":4751,"children":4752,"page":59},"Тестування, документування та розгортання застосунків","i-lucide-rocket","\u002Fweb-development\u002Ftesting-documentation-deployment","18.web-development\u002F15.testing-documentation-deployment",[4753,4757,4761,4765,4769,4773,4777,4781,4785,4789],{"title":4754,"path":4755,"stem":4756},"Піраміда тестування та стратегія","\u002Fweb-development\u002Ftesting-documentation-deployment\u002F01-testing-pyramid-strategy","18.web-development\u002F15.testing-documentation-deployment\u002F01-testing-pyramid-strategy",{"title":4758,"path":4759,"stem":4760},"Основи Jest у NestJS","\u002Fweb-development\u002Ftesting-documentation-deployment\u002F02-jest-nestjs-basics","18.web-development\u002F15.testing-documentation-deployment\u002F02-jest-nestjs-basics",{"title":4762,"path":4763,"stem":4764},"Unit-тестування сервісів","\u002Fweb-development\u002Ftesting-documentation-deployment\u002F03-unit-testing-services","18.web-development\u002F15.testing-documentation-deployment\u002F03-unit-testing-services",{"title":4766,"path":4767,"stem":4768},"E2E тестування та покриття коду","\u002Fweb-development\u002Ftesting-documentation-deployment\u002F04-e2e-testing-coverage","18.web-development\u002F15.testing-documentation-deployment\u002F04-e2e-testing-coverage",{"title":4770,"path":4771,"stem":4772},"Swagger, OpenAPI, Scalar та Arazzo","\u002Fweb-development\u002Ftesting-documentation-deployment\u002F05-swagger-openapi","18.web-development\u002F15.testing-documentation-deployment\u002F05-swagger-openapi",{"title":4774,"path":4775,"stem":4776},"Керування конфігурацією","\u002Fweb-development\u002Ftesting-documentation-deployment\u002F06-configuration-management","18.web-development\u002F15.testing-documentation-deployment\u002F06-configuration-management",{"title":4778,"path":4779,"stem":4780},"Docker та контейнеризація","\u002Fweb-development\u002Ftesting-documentation-deployment\u002F07-docker-containerization","18.web-development\u002F15.testing-documentation-deployment\u002F07-docker-containerization",{"title":4782,"path":4783,"stem":4784},"CI\u002FCD Pipelines","\u002Fweb-development\u002Ftesting-documentation-deployment\u002F08-cicd-pipelines","18.web-development\u002F15.testing-documentation-deployment\u002F08-cicd-pipelines",{"title":4786,"path":4787,"stem":4788},"Логування та моніторинг","\u002Fweb-development\u002Ftesting-documentation-deployment\u002F09-logging-monitoring","18.web-development\u002F15.testing-documentation-deployment\u002F09-logging-monitoring",{"title":4790,"path":4791,"stem":4792},"Серіалізація та компресія","\u002Fweb-development\u002Ftesting-documentation-deployment\u002F10-serialization-compression","18.web-development\u002F15.testing-documentation-deployment\u002F10-serialization-compression",{"title":4794,"icon":4795,"path":4796,"stem":4797,"children":4798,"page":59},"AI Core: мислення AI","i-lucide-brain","\u002Fai-core","19.ai-core",[4799,4840,4889,4927],{"title":4800,"icon":4749,"path":4801,"stem":4802,"children":4803,"page":59},"Вхід у професію AI Native Developer","\u002Fai-core\u002Fai-native-developer","19.ai-core\u002F01.ai-native-developer",[4804,4808,4812,4816,4820,4824,4828,4832,4836],{"title":4805,"path":4806,"stem":4807},"Вступ до професії розробника цифрових продуктів","\u002Fai-core\u002Fai-native-developer\u002Fdigital-products","19.ai-core\u002F01.ai-native-developer\u002F01.digital-products",{"title":4809,"path":4810,"stem":4811},"Професія розробника програмного забезпечення","\u002Fai-core\u002Fai-native-developer\u002Fsoftware-developer","19.ai-core\u002F01.ai-native-developer\u002F02.software-developer",{"title":4813,"path":4814,"stem":4815},"Професія AI Native Developer","\u002Fai-core\u002Fai-native-developer\u002Fai-native-developer","19.ai-core\u002F01.ai-native-developer\u002F03.ai-native-developer",{"title":4817,"path":4818,"stem":4819},"Вплив AI на розробку програмного забезпечення","\u002Fai-core\u002Fai-native-developer\u002Fai-impact-on-development","19.ai-core\u002F01.ai-native-developer\u002F04.ai-impact-on-development",{"title":4821,"path":4822,"stem":4823},"Життєвий цикл цифрового продукту","\u002Fai-core\u002Fai-native-developer\u002Fproduct-lifecycle","19.ai-core\u002F01.ai-native-developer\u002F05.product-lifecycle",{"title":4825,"path":4826,"stem":4827},"Застосування AI на етапах створення цифрового продукту","\u002Fai-core\u002Fai-native-developer\u002Fai-in-product-creation","19.ai-core\u002F01.ai-native-developer\u002F06.ai-in-product-creation",{"title":4829,"path":4830,"stem":4831},"Розподіл завдань між людиною та AI","\u002Fai-core\u002Fai-native-developer\u002Fhuman-vs-ai-tasks","19.ai-core\u002F01.ai-native-developer\u002F07.human-vs-ai-tasks",{"title":4833,"path":4834,"stem":4835},"Компетенції AI Native Developer","\u002Fai-core\u002Fai-native-developer\u002Fcompetencies","19.ai-core\u002F01.ai-native-developer\u002F08.competencies",{"title":4837,"path":4838,"stem":4839},"Карта професійного розвитку AI Native Developer","\u002Fai-core\u002Fai-native-developer\u002Fcareer-roadmap","19.ai-core\u002F01.ai-native-developer\u002F09.career-roadmap",{"title":4841,"icon":255,"path":4842,"stem":4843,"children":4844,"page":59},"Штучний інтелект і машинне навчання","\u002Fai-core\u002Fai-and-machine-learning","19.ai-core\u002F02.ai-and-machine-learning",[4845,4849,4853,4857,4861,4865,4869,4873,4877,4881,4885],{"title":4846,"path":4847,"stem":4848},"Штучний інтелект","\u002Fai-core\u002Fai-and-machine-learning\u002Fwhat-is-ai","19.ai-core\u002F02.ai-and-machine-learning\u002F01.what-is-ai",{"title":4850,"path":4851,"stem":4852},"Відмінність AI від інших програмних систем","\u002Fai-core\u002Fai-and-machine-learning\u002Fai-vs-automation","19.ai-core\u002F02.ai-and-machine-learning\u002F02.ai-vs-automation",{"title":4854,"path":4855,"stem":4856},"Завдання штучного інтелекту","\u002Fai-core\u002Fai-and-machine-learning\u002Fai-tasks","19.ai-core\u002F02.ai-and-machine-learning\u002F03.ai-tasks",{"title":4858,"path":4859,"stem":4860},"Machine Learning","\u002Fai-core\u002Fai-and-machine-learning\u002Fmachine-learning","19.ai-core\u002F02.ai-and-machine-learning\u002F04.machine-learning",{"title":4862,"path":4863,"stem":4864},"Machine Learning Workflow","\u002Fai-core\u002Fai-and-machine-learning\u002Fml-workflow","19.ai-core\u002F02.ai-and-machine-learning\u002F05.ml-workflow",{"title":4866,"path":4867,"stem":4868},"Типи машинного навчання","\u002Fai-core\u002Fai-and-machine-learning\u002Fml-types","19.ai-core\u002F02.ai-and-machine-learning\u002F06.ml-types",{"title":4870,"path":4871,"stem":4872},"Generative AI","\u002Fai-core\u002Fai-and-machine-learning\u002Fgenerative-ai","19.ai-core\u002F02.ai-and-machine-learning\u002F07.generative-ai",{"title":4874,"path":4875,"stem":4876},"Типи контенту, створюваного AI","\u002Fai-core\u002Fai-and-machine-learning\u002Fai-content-types","19.ai-core\u002F02.ai-and-machine-learning\u002F08.ai-content-types",{"title":4878,"path":4879,"stem":4880},"Великі мовні моделі","\u002Fai-core\u002Fai-and-machine-learning\u002Flarge-language-models","19.ai-core\u002F02.ai-and-machine-learning\u002F09.large-language-models",{"title":4882,"path":4883,"stem":4884},"Можливості та обмеження Generative AI","\u002Fai-core\u002Fai-and-machine-learning\u002Fcapabilities-and-limitations","19.ai-core\u002F02.ai-and-machine-learning\u002F10.capabilities-and-limitations",{"title":4886,"path":4887,"stem":4888},"Сучасні AI-асистенти","\u002Fai-core\u002Fai-and-machine-learning\u002Fmodern-ai-assistants","19.ai-core\u002F02.ai-and-machine-learning\u002F11.modern-ai-assistants",{"title":4890,"icon":4891,"path":4892,"stem":4893,"children":4894,"page":59},"Постановка завдань для AI: принципи створення промптів","i-lucide-message-square-text","\u002Fai-core\u002Fprompt-engineering","19.ai-core\u002F03.prompt-engineering",[4895,4899,4903,4907,4911,4915,4919,4923],{"title":4896,"path":4897,"stem":4898},"Промпт як інструмент","\u002Fai-core\u002Fprompt-engineering\u002Fprompt-as-tool","19.ai-core\u002F03.prompt-engineering\u002F01.prompt-as-tool",{"title":4900,"path":4901,"stem":4902},"Принципи створення промптів","\u002Fai-core\u002Fprompt-engineering\u002Fprompt-principles","19.ai-core\u002F03.prompt-engineering\u002F02.prompt-principles",{"title":4904,"path":4905,"stem":4906},"Структура промпта","\u002Fai-core\u002Fprompt-engineering\u002Fprompt-structure","19.ai-core\u002F03.prompt-engineering\u002F03.prompt-structure",{"title":4908,"path":4909,"stem":4910},"Види промптів за типом задачі","\u002Fai-core\u002Fprompt-engineering\u002Fprompt-types","19.ai-core\u002F03.prompt-engineering\u002F04.prompt-types",{"title":4912,"path":4913,"stem":4914},"Прийоми посилення промпта","\u002Fai-core\u002Fprompt-engineering\u002Fprompt-enhancement","19.ai-core\u002F03.prompt-engineering\u002F05.prompt-enhancement",{"title":4916,"path":4917,"stem":4918},"Розбір і покращення промпта","\u002Fai-core\u002Fprompt-engineering\u002Fprompt-analysis","19.ai-core\u002F03.prompt-engineering\u002F06.prompt-analysis",{"title":4920,"path":4921,"stem":4922},"Типові помилки під час створення промптів","\u002Fai-core\u002Fprompt-engineering\u002Fcommon-mistakes","19.ai-core\u002F03.prompt-engineering\u002F07.common-mistakes",{"title":4924,"path":4925,"stem":4926},"Практикум: особиста бібліотека промптів","\u002Fai-core\u002Fprompt-engineering\u002Fprompt-library","19.ai-core\u002F03.prompt-engineering\u002F08.prompt-library",{"title":4928,"icon":793,"path":4929,"stem":4930,"children":4931,"page":59},"Перевірка результатів, безпека та AI Native Workflow","\u002Fai-core\u002Fverification-security-workflow","19.ai-core\u002F04.verification-security-workflow",[4932,4936,4940,4944,4948,4952,4956,4960,4964],{"title":4933,"path":4934,"stem":4935},"Межі можливостей AI","\u002Fai-core\u002Fverification-security-workflow\u002Fai-limitations","19.ai-core\u002F04.verification-security-workflow\u002F01.ai-limitations",{"title":4937,"path":4938,"stem":4939},"Галюцинації AI","\u002Fai-core\u002Fverification-security-workflow\u002Fai-hallucinations","19.ai-core\u002F04.verification-security-workflow\u002F02.ai-hallucinations",{"title":4941,"path":4942,"stem":4943},"Критичне мислення під час роботи з AI","\u002Fai-core\u002Fverification-security-workflow\u002Fcritical-thinking","19.ai-core\u002F04.verification-security-workflow\u002F03.critical-thinking",{"title":4945,"path":4946,"stem":4947},"Перевірка результатів роботи AI","\u002Fai-core\u002Fverification-security-workflow\u002Fresult-verification","19.ai-core\u002F04.verification-security-workflow\u002F04.result-verification",{"title":4949,"path":4950,"stem":4951},"Захист даних під час роботи з AI","\u002Fai-core\u002Fverification-security-workflow\u002Fdata-protection","19.ai-core\u002F04.verification-security-workflow\u002F05.data-protection",{"title":4953,"path":4954,"stem":4955},"Авторське право та навчальна доброчесність","\u002Fai-core\u002Fverification-security-workflow\u002Fcopyright-integrity","19.ai-core\u002F04.verification-security-workflow\u002F06.copyright-integrity",{"title":4957,"path":4958,"stem":4959},"Відповідальне використання AI","\u002Fai-core\u002Fverification-security-workflow\u002Fresponsible-use","19.ai-core\u002F04.verification-security-workflow\u002F07.responsible-use",{"title":4961,"path":4962,"stem":4963},"AI Native Workflow","\u002Fai-core\u002Fverification-security-workflow\u002Fai-native-workflow","19.ai-core\u002F04.verification-security-workflow\u002F08.ai-native-workflow",{"title":4965,"path":4966,"stem":4967},"Застосування AI Native Workflow під час створення цифрового продукту","\u002Fai-core\u002Fverification-security-workflow\u002Fworkflow-in-practice","19.ai-core\u002F04.verification-security-workflow\u002F09.workflow-in-practice",{"title":4969,"icon":4970,"path":4971,"stem":4972,"children":4973,"page":59},"AI Developer: Vibe Coding Sprint","i-lucide-code-xml","\u002Fai-developer","20.ai-developer",[4974,5000,5022,5043],{"title":4975,"icon":4976,"path":4977,"stem":4978,"children":4979,"page":59},"Проєктування і чорнова версія","i-lucide-pencil-ruler","\u002Fai-developer\u002Fdraft-creation","20.ai-developer\u002F01.draft-creation",[4980,4984,4988,4992,4996],{"title":4981,"path":4982,"stem":4983},"Парадигма Vibe Coding Workflow","\u002Fai-developer\u002Fdraft-creation\u002Fvibe-coding-workflow","20.ai-developer\u002F01.draft-creation\u002F01.vibe-coding-workflow",{"title":4985,"path":4986,"stem":4987},"AI-середовище швидкої розробки","\u002Fai-developer\u002Fdraft-creation\u002Fai-ide-environment","20.ai-developer\u002F01.draft-creation\u002F02.ai-ide-environment",{"title":4989,"path":4990,"stem":4991},"Користувацьке завдання та межі першої версії","\u002Fai-developer\u002Fdraft-creation\u002Fproduct-scope-and-mvp","20.ai-developer\u002F01.draft-creation\u002F03.product-scope-and-mvp",{"title":4993,"path":4994,"stem":4995},"Архітектура інтерфейсу та стани застосунку","\u002Fai-developer\u002Fdraft-creation\u002Fapplication-architecture-and-states","20.ai-developer\u002F01.draft-creation\u002F04.application-architecture-and-states",{"title":4997,"path":4998,"stem":4999},"Генерація та фіксація чорнової версії","\u002Fai-developer\u002Fdraft-creation\u002Fgenerating-draft-version","20.ai-developer\u002F01.draft-creation\u002F05.generating-draft-version",{"title":5001,"icon":5002,"path":5003,"stem":5004,"children":5005,"page":59},"Перша робоча версія","i-lucide-play-circle","\u002Fai-developer\u002Ffirst-working-version","20.ai-developer\u002F02.first-working-version",[5006,5010,5014,5018],{"title":5007,"path":5008,"stem":5009},"Уточнення контексту проєкту для AI","\u002Fai-developer\u002Ffirst-working-version\u002Frefining-project-context","20.ai-developer\u002F02.first-working-version\u002F01.refining-project-context",{"title":5011,"path":5012,"stem":5013},"Стратегія завдань для AI-розробки","\u002Fai-developer\u002Ffirst-working-version\u002Fai-prompting-strategy","20.ai-developer\u002F02.first-working-version\u002F02.ai-prompting-strategy",{"title":5015,"path":5016,"stem":5017},"Доопрацювання до першої робочої версії","\u002Fai-developer\u002Ffirst-working-version\u002Frefining-to-working-version","20.ai-developer\u002F02.first-working-version\u002F03.refining-to-working-version",{"title":5019,"path":5020,"stem":5021},"Перевірка першої робочої версії","\u002Fai-developer\u002Ffirst-working-version\u002Ftesting-first-working-version","20.ai-developer\u002F02.first-working-version\u002F04.testing-first-working-version",{"title":5023,"icon":3072,"path":5024,"stem":5025,"children":5026,"page":59},"Ітерації, дебагінг та відновлення","\u002Fai-developer\u002Fiteration-debugging-recovery","20.ai-developer\u002F03.iteration-debugging-recovery",[5027,5031,5035,5039],{"title":5028,"path":5029,"stem":5030},"Управління точковими змінами продукту","\u002Fai-developer\u002Fiteration-debugging-recovery\u002Fchange-management","20.ai-developer\u002F03.iteration-debugging-recovery\u002F01.change-management",{"title":5032,"path":5033,"stem":5034},"Надійність інтерфейсу та обробка помилок","\u002Fai-developer\u002Fiteration-debugging-recovery\u002Fscenario-reliability-and-errors","20.ai-developer\u002F03.iteration-debugging-recovery\u002F02.scenario-reliability-and-errors",{"title":5036,"path":5037,"stem":5038},"Керування контекстом і збереження версій","\u002Fai-developer\u002Fiteration-debugging-recovery\u002Fproject-context-and-versions","20.ai-developer\u002F03.iteration-debugging-recovery\u002F03.project-context-and-versions",{"title":5040,"path":5041,"stem":5042},"Збої AI-розробки, ліміти та аварійне відновлення","\u002Fai-developer\u002Fiteration-debugging-recovery\u002Fai-breakdowns-and-recovery","20.ai-developer\u002F03.iteration-debugging-recovery\u002F04.ai-breakdowns-and-recovery",{"title":5044,"icon":5045,"path":5046,"stem":5047,"children":5048,"page":59},"Перевірка та завершення продукту","i-lucide-check-check","\u002Fai-developer\u002Fverification-and-completion","20.ai-developer\u002F04.verification-and-completion",[5049,5053,5057],{"title":5050,"path":5051,"stem":5052},"Комплексний аудит та підсумкове тестування","\u002Fai-developer\u002Fverification-and-completion\u002Ffinal-product-testing","20.ai-developer\u002F04.verification-and-completion\u002F01.final-product-testing",{"title":5054,"path":5055,"stem":5056},"Підготовка підсумкової версії коду","\u002Fai-developer\u002Fverification-and-completion\u002Fpreparing-release-version","20.ai-developer\u002F04.verification-and-completion\u002F02.preparing-release-version",{"title":5058,"path":5059,"stem":5060},"Демонстрація, публікація та критерії оцінювання","\u002Fai-developer\u002Fverification-and-completion\u002Fproduct-showcase-and-publishing","20.ai-developer\u002F04.verification-and-completion\u002F03.product-showcase-and-publishing",{"title":5062,"path":5063,"stem":5064,"children":5065,"page":59},"Tailwind","\u002Ftailwind","21.tailwind",[5066,5070,5074,5078,5082,5086,5090,5094,5098,5102,5106,5110],{"title":5067,"path":5068,"stem":5069},"Що таке Tailwind CSS і навіщо він потрібен","\u002Ftailwind\u002Ftailwind-intro-philosophy","21.tailwind\u002F01.tailwind-intro-philosophy",{"title":5071,"path":5072,"stem":5073},"Встановлення та налаштування Tailwind CSS v4","\u002Ftailwind\u002Ftailwind-installation-setup","21.tailwind\u002F02.tailwind-installation-setup",{"title":5075,"path":5076,"stem":5077},"Utility-класи: основи та система Tailwind","\u002Ftailwind\u002Ftailwind-utility-classes-core","21.tailwind\u002F03.tailwind-utility-classes-core",{"title":5079,"path":5080,"stem":5081},"Layout: Flexbox та Grid через Tailwind","\u002Ftailwind\u002Ftailwind-flexbox-grid","21.tailwind\u002F04.tailwind-flexbox-grid",{"title":5083,"path":5084,"stem":5085},"Кастомізація теми через @theme у Tailwind v4","\u002Ftailwind\u002Ftailwind-theme-customization","21.tailwind\u002F05.tailwind-theme-customization",{"title":5087,"path":5088,"stem":5089},"Варіанти: hover, focus, responsive, dark mode та нові v4","\u002Ftailwind\u002Ftailwind-variants-states","21.tailwind\u002F06.tailwind-variants-states",{"title":5091,"path":5092,"stem":5093},"Типографіка та система кольорів у Tailwind v4","\u002Ftailwind\u002Ftailwind-typography-colors","21.tailwind\u002F07.tailwind-typography-colors",{"title":5095,"path":5096,"stem":5097},"Компоненти та повторюваність: @apply, @utility та патерни","\u002Ftailwind\u002Ftailwind-components-patterns","21.tailwind\u002F08.tailwind-components-patterns",{"title":5099,"path":5100,"stem":5101},"Темна тема та система дизайн-токенів у Tailwind v4","\u002Ftailwind\u002Ftailwind-dark-mode-theming","21.tailwind\u002F09.tailwind-dark-mode-theming",{"title":5103,"path":5104,"stem":5105},"Довільні значення та контейнерні запити у Tailwind v4","\u002Ftailwind\u002Ftailwind-arbitrary-container-queries","21.tailwind\u002F10.tailwind-arbitrary-container-queries",{"title":5107,"path":5108,"stem":5109},"Анімації, трансформації та 3D у Tailwind v4","\u002Ftailwind\u002Ftailwind-animations-transforms","21.tailwind\u002F11.tailwind-animations-transforms",{"title":5111,"path":5112,"stem":5113},"Tailwind CLI, PostCSS та інтеграція з фреймворками","\u002Ftailwind\u002Ftailwind-cli-tooling","21.tailwind\u002F12.tailwind-cli-tooling",{"title":5115,"path":5116,"stem":5117,"children":5118,"page":59},"React Typescript","\u002Freact-typescript","22.react-typescript",[5119,5144,5148,5152,5156,5160,5164,5168,5172],{"title":5120,"path":5121,"stem":5122,"children":5123,"page":59},"From Html To Project","\u002Freact-typescript\u002Ffrom-html-to-project","22.react-typescript\u002F01.from-html-to-project",[5124,5128,5132,5136,5140],{"title":5125,"path":5126,"stem":5127},"Від одного HTML-файлу до повноцінного проєкту","\u002Freact-typescript\u002Ffrom-html-to-project\u002Fevolution","22.react-typescript\u002F01.from-html-to-project\u002F01.evolution",{"title":5129,"path":5130,"stem":5131},"Що таке React","\u002Freact-typescript\u002Ffrom-html-to-project\u002Fwhat-is-react","22.react-typescript\u002F01.from-html-to-project\u002F02.what-is-react",{"title":5133,"path":5134,"stem":5135},"JSX та TSX — синтаксичний цукор, а не магія","\u002Freact-typescript\u002Ffrom-html-to-project\u002Fjsx-tsx-syntax","22.react-typescript\u002F01.from-html-to-project\u002F03.jsx-tsx-syntax",{"title":5137,"path":5138,"stem":5139},"Компоненти — будівельні блоки інтерфейсу","\u002Freact-typescript\u002Ffrom-html-to-project\u002Fcomponents","22.react-typescript\u002F01.from-html-to-project\u002F04.components",{"title":5141,"path":5142,"stem":5143},"JSX — розмітка всередині TypeScript","\u002Freact-typescript\u002Ffrom-html-to-project\u002Fjsx-expressions","22.react-typescript\u002F01.from-html-to-project\u002F05.jsx-expressions",{"title":5145,"path":5146,"stem":5147},"Хук useReducer: структуроване управління складним станом","\u002Freact-typescript\u002Fuse-reducer","22.react-typescript\u002F23.use-reducer",{"title":5149,"path":5150,"stem":5151},"Context API: передавання даних без «пропс-дрілінгу»","\u002Freact-typescript\u002Fcontext-api","22.react-typescript\u002F24.context-api",{"title":5153,"path":5154,"stem":5155},"Синхронізація з ефектами: хук useEffect та функції очищення","\u002Freact-typescript\u002Fuse-effect","22.react-typescript\u002F27.use-effect",{"title":5157,"path":5158,"stem":5159},"Можливо, вам не потрібен ефект: антипатерни та альтернативи","\u002Freact-typescript\u002Fyou-might-not-need-effect","22.react-typescript\u002F28.you-might-not-need-effect",{"title":5161,"path":5162,"stem":5163},"Життєвий цикл реактивних ефектів: мислення процесами синхронізації","\u002Freact-typescript\u002Flifecycle-of-reactive-effects","22.react-typescript\u002F29.lifecycle-of-reactive-effects",{"title":5165,"path":5166,"stem":5167},"Розділення подій та ефектів: реактивна проти нереактивної логіки","\u002Freact-typescript\u002Fseparating-events-from-effects","22.react-typescript\u002F30.separating-events-from-effects",{"title":5169,"path":5170,"stem":5171},"Видалення зайвих залежностей ефектів та оптимізація синхронізації","\u002Freact-typescript\u002Fremoving-effect-dependencies","22.react-typescript\u002F31.removing-effect-dependencies",{"title":5173,"path":5174,"stem":5175},"Кастомні хуки: повторне використання та композиція реактивної логіки","\u002Freact-typescript\u002Fcustom-hooks","22.react-typescript\u002F32.custom-hooks",{"title":5177,"path":5178,"stem":5179},"Тестування компонентів діаграм та пісочниць","\u002Ftest-components","98.test-components",{"id":5181,"title":4037,"body":5182,"description":45378,"extension":45379,"links":45380,"meta":45381,"navigation":5412,"path":4038,"seo":45389,"stem":4039,"__hash__":45390},"docs\u002F17.client-server-architecture\u002F13.relational-databases-and-orm.md",{"type":5183,"value":5184,"toc":45203},"minimark",[5185,5257,5260,5265,5274,5301,5311,5349,5361,5363,5367,5374,5539,5544,5579,5591,5593,5597,5614,5619,5625,5657,5673,5811,5816,5840,5905,5907,5911,5918,6208,6214,6218,6248,6253,6271,6280,6284,6297,6300,6308,6311,6317,6322,6354,6406,6410,6413,6698,6703,6796,6816,6820,6830,6951,6956,6985,6992,6994,6998,7007,7011,7018,7206,7230,7237,7341,7386,7390,7393,7818,7823,7894,7987,7991,7996,8305,8310,8329,8333,8343,8739,8744,8798,8915,8919,8925,9236,9249,9253,9256,9508,9604,9606,9610,9622,9626,9652,9656,9885,9889,9894,9969,9983,9987,9995,10209,10216,10355,10363,10523,10550,10554,10564,10697,10700,10750,10752,10756,10759,10767,10773,10787,10791,10797,10839,10854,10858,10873,11378,11382,11423,11448,11452,11455,11722,11726,11751,11886,11924,11926,11930,11933,11942,11956,11963,11967,12078,12082,12087,12118,12123,12147,12150,12156,12165,12291,12298,12332,12336,12339,12368,12373,12379,12386,12403,12429,12433,12436,12468,12471,12492,12502,12506,12509,12887,12890,12892,12896,12899,12927,12935,12939,12944,13004,13009,13031,13034,13045,13102,13104,13108,13112,13144,13148,13318,13325,13345,13349,13355,13525,13530,13565,13570,13589,13593,13596,13741,13757,13761,13766,13937,13942,13964,13968,13973,14157,14162,14207,14212,14315,14320,14418,14422,14427,14463,14468,14575,14587,14591,14596,14618,14623,14629,14651,14654,14676,14679,14706,14710,14713,14718,14882,14887,15075,15092,15097,15492,15501,15505,15515,15520,15564,15569,16068,16073,16322,16349,16351,16355,16358,16362,16369,16374,16405,16414,16418,16635,16639,16781,16801,16805,16943,16949,16953,17091,17096,17134,17138,17256,17321,17325,17386,17390,17393,17615,17620,17640,17863,17865,17869,17875,17879,18023,18045,18049,18055,18172,18177,18230,18236,18240,18247,18381,18385,18510,18512,18516,18519,18543,18547,18550,18618,18622,18803,18807,18934,18962,18965,18967,18971,18974,18982,18987,19029,19034,19060,19064,19068,19114,19118,19155,19159,19181,19213,19215,19219,19224,19228,19236,19241,19247,19252,19504,19509,19781,19786,20003,20008,20475,20480,20506,20508,20512,20515,20807,20837,21637,21639,21768,21770,21774,21777,21781,21787,21791,22015,22109,22113,22224,22236,22240,22314,22318,22601,22605,22612,22862,22897,22901,23076,23080,23344,23348,23443,23447,23728,23732,23895,23899,24099,24235,24237,24241,24249,24253,24256,24312,24318,24322,24494,24498,24521,24525,24531,24968,24972,25224,25228,25544,25548,25551,25783,25996,26000,26648,26650,26654,26657,26661,26675,26867,26872,26883,26895,26899,26906,27122,27126,27147,27151,27164,27168,27177,27354,27359,27771,27789,27793,27908,27912,27919,28048,28052,28063,28067,28075,28081,28085,28088,28197,28202,28273,28329,28331,28335,28338,28342,28345,28433,28437,28669,28674,28700,28711,28715,28718,29095,29099,29102,29106,29153,29157,29168,29172,29180,29184,29232,29236,29244,29248,29259,29323,29327,29478,29482,29609,29613,29616,29911,29916,30003,30007,30355,30369,30373,30376,30864,30866,30870,30877,30881,30884,31159,31164,31175,31335,31339,31345,32038,32042,32048,32098,32102,32152,32156,32266,32277,32279,32283,32286,32290,32630,32634,32915,32919,33081,33085,33228,33241,33245,33467,33469,33473,33476,33480,33487,33819,33823,33838,33842,33848,34041,34046,34236,34240,34369,34373,34376,34594,34599,34625,34643,34647,34768,34773,34781,34785,35038,35042,35433,35438,35446,35450,35461,35482,35484,35488,35491,35495,35828,35832,36033,36037,36123,36127,36648,36652,37104,37106,37110,37117,37121,37167,37198,37202,37417,37421,37779,37783,38001,38005,38199,38203,38294,38296,38300,38304,38565,38569,38912,38916,39368,39424,39426,39430,39440,39444,39447,39453,39457,39858,39862,39926,39930,40016,40020,40155,40159,40517,40521,40697,40755,40757,40761,40764,40768,40814,40818,41273,41277,41281,42074,42078,42656,42660,43676,43713,43715,43719,43723,43728,43830,43835,43885,43889,43989,43993,44115,44119,44197,44201,44292,44296,44425,44429,44500,44504,44666,44705,44707,44711,44957,44961,44970,44984,44990,45004,45010,45030,45035,45199],[5186,5187,5188,5221],"card-group",{},[5189,5190,5193],"card",{"icon":5191,"title":5192},"i-lucide-target","🎯 Мета лекції",[5194,5195,5196,5200,5212,5215,5218],"ul",{},[5197,5198,5199],"li",{},"Зрозуміти роль реляційних баз даних у клієнт-серверних застосунках та принципи роботи з PostgreSQL.",[5197,5201,5202,5203,5207,5208,5211],{},"Опанувати стандартний інтерфейс ",[5204,5205,5206],"code",{},"database\u002Fsql"," та високопродуктивний драйвер ",[5204,5209,5210],{},"pgx"," для виконання SQL-запитів.",[5197,5213,5214],{},"Навчитися працювати з транзакціями та забезпечувати гарантії ACID.",[5197,5216,5217],{},"Освоїти інструменти міграцій для версіонування схеми бази даних.",[5197,5219,5220],{},"Познайомитися з ORM-підходом на прикладі бібліотеки GORM та зрозуміти компроміси між чистим SQL та об'єктно-реляційним відображенням.",[5189,5222,5224],{"icon":4618,"title":5223},"🔑 Ключові терміни",[5194,5225,5226,5233,5239,5245,5251],{},[5197,5227,5228,5232],{},[5229,5230,5231],"strong",{},"СУБД (Система Управління Базами Даних):"," програмний комплекс для створення, збереження та маніпулювання даними.",[5197,5234,5235,5238],{},[5229,5236,5237],{},"PostgreSQL:"," вільна об'єктно-реляційна СУБД з потужними можливостями та відповідністю стандартам SQL.",[5197,5240,5241,5244],{},[5229,5242,5243],{},"Driver (драйвер БД):"," бібліотека, що реалізує низькорівневу комунікацію з конкретною СУБД.",[5197,5246,5247,5250],{},[5229,5248,5249],{},"Connection Pool (пул з'єднань):"," механізм багаторазового використання підключень для підвищення продуктивності.",[5197,5252,5253,5256],{},[5229,5254,5255],{},"ORM (Object-Relational Mapping):"," об'єктно-реляційне відображення, технологія автоматичного зв'язування структур Go із таблицями БД.",[5258,5259],"hr",{},[5261,5262,5264],"h2",{"id":5263},"роль-баз-даних-у-клієнт-серверних-системах","Роль баз даних у клієнт-серверних системах",[5266,5267,5268,5269,5273],"p",{},"На попередніх лекціях ми навчилися створювати HTTP-сервери, обробляти запити, валідувати дані та повертати відповіді. Але всі наші дані зберігалися лише у пам'яті сервера (",[5270,5271,5272],"em",{},"in-memory","), що має критичні обмеження:",[5275,5276,5277,5283,5289,5295],"ol",{},[5197,5278,5279,5282],{},[5229,5280,5281],{},"Втрата даних при перезапуску:"," кожен перезапуск сервера призводить до втрати всієї інформації.",[5197,5284,5285,5288],{},[5229,5286,5287],{},"Неможливість масштабування:"," якщо запустити кілька екземплярів сервера, кожен матиме власний, ізольований стан.",[5197,5290,5291,5294],{},[5229,5292,5293],{},"Обмеження обсягу:"," розмір даних обмежений доступною оперативною пам'яттю.",[5197,5296,5297,5300],{},[5229,5298,5299],{},"Відсутність складних запитів:"," у пам'яті складно виконувати агрегацію, сортування, фільтрацію та з'єднання великих наборів даних.",[5266,5302,5303,5306,5307,5310],{},[5229,5304,5305],{},"Реляційна база даних"," (",[5270,5308,5309],{},"Relational Database",") розв'язує всі ці проблеми. Вона забезпечує:",[5194,5312,5313,5322,5331,5340],{},[5197,5314,5315,5306,5318,5321],{},[5229,5316,5317],{},"Персистентність даних",[5270,5319,5320],{},"Persistence","): інформація зберігається на диску та переживає перезапуски.",[5197,5323,5324,5306,5327,5330],{},[5229,5325,5326],{},"Конкурентний доступ",[5270,5328,5329],{},"Concurrent Access","): тисячі клієнтів можуть одночасно читати та змінювати дані без конфліктів.",[5197,5332,5333,5306,5336,5339],{},[5229,5334,5335],{},"Транзакційність",[5270,5337,5338],{},"ACID Properties","): гарантії атомарності, узгодженості, ізольованості та довговічності операцій.",[5197,5341,5342,5306,5345,5348],{},[5229,5343,5344],{},"Мову запитів SQL",[5270,5346,5347],{},"Structured Query Language","): стандартизований, декларативний спосіб отримання та маніпулювання даними.",[5350,5351,5352,5353,5356,5357,5360],"note",{},"У цій лекції ми будемо працювати з ",[5229,5354,5355],{},"PostgreSQL"," — однією з найпотужніших та найпопулярніших вільних реляційних СУБД. PostgreSQL (",[5270,5358,5359],{},"часто скорочено Postgres",") відома своєю сумісністю зі стандартами SQL, підтримкою складних типів даних (JSON, масиви, геоданих), розширюваністю та надійністю. Альтернативами є MySQL, SQLite, Microsoft SQL Server та Oracle Database.",[5258,5362],{},[5261,5364,5366],{"id":5365},"архітектурний-контекст-де-живе-база-даних","Архітектурний контекст: де живе база даних",[5266,5368,5369,5370,5373],{},"У типовій клієнт-серверній архітектурі ",[5229,5371,5372],{},"база даних є окремим процесом"," (або навіть окремою машиною), до якого сервер застосунку під'єднується через мережеве з'єднання.",[5375,5376,5378],"plant-uml",{"alt":5377},"Архітектура взаємодії клієнта, сервера та бази даних",[5379,5380,5385],"pre",{"className":5381,"code":5382,"language":5383,"meta":5384,"style":5384},"language-plantuml shiki shiki-themes light-plus dark-plus dark-plus","@startuml\nskinparam style plain\nskinparam backgroundColor #FFFFFF\n\nactor \"Клієнт (Desktop\u002FMobile)\" as Client #DBEAFE\nparticipant \"Go HTTP Сервер\" as Server #E2E8F0\ndatabase \"PostgreSQL СУБД\" as DB #DCFCE7\n\nClient -> Server : HTTP POST \u002Fapi\u002Fv1\u002Fusers\\n(JSON: {email, password})\nactivate Server\n\nServer -> Server : Валідація DTO\nServer -> DB : INSERT INTO users (email, password_hash)\\nVALUES ($1, $2)\nactivate DB\nDB --> Server : Response: INSERT 0 1\ndeactivate DB\n\nServer -> DB : SELECT id, email FROM users WHERE id = $1\nactivate DB\nDB --> Server : Response: Row {id: 42, email: \"...\"}\ndeactivate DB\n\nServer --> Client : HTTP 201 Created\\n{id: 42, email: \"...\"}\ndeactivate Server\n\n@enduml\n","plantuml","",[5204,5386,5387,5395,5401,5407,5414,5420,5426,5432,5437,5443,5449,5454,5460,5466,5472,5478,5484,5489,5495,5500,5506,5511,5516,5522,5528,5533],{"__ignoreMap":5384},[5388,5389,5392],"span",{"class":5390,"line":5391},"line",1,[5388,5393,5394],{},"@startuml\n",[5388,5396,5398],{"class":5390,"line":5397},2,[5388,5399,5400],{},"skinparam style plain\n",[5388,5402,5404],{"class":5390,"line":5403},3,[5388,5405,5406],{},"skinparam backgroundColor #FFFFFF\n",[5388,5408,5410],{"class":5390,"line":5409},4,[5388,5411,5413],{"emptyLinePlaceholder":5412},true,"\n",[5388,5415,5417],{"class":5390,"line":5416},5,[5388,5418,5419],{},"actor \"Клієнт (Desktop\u002FMobile)\" as Client #DBEAFE\n",[5388,5421,5423],{"class":5390,"line":5422},6,[5388,5424,5425],{},"participant \"Go HTTP Сервер\" as Server #E2E8F0\n",[5388,5427,5429],{"class":5390,"line":5428},7,[5388,5430,5431],{},"database \"PostgreSQL СУБД\" as DB #DCFCE7\n",[5388,5433,5435],{"class":5390,"line":5434},8,[5388,5436,5413],{"emptyLinePlaceholder":5412},[5388,5438,5440],{"class":5390,"line":5439},9,[5388,5441,5442],{},"Client -> Server : HTTP POST \u002Fapi\u002Fv1\u002Fusers\\n(JSON: {email, password})\n",[5388,5444,5446],{"class":5390,"line":5445},10,[5388,5447,5448],{},"activate Server\n",[5388,5450,5452],{"class":5390,"line":5451},11,[5388,5453,5413],{"emptyLinePlaceholder":5412},[5388,5455,5457],{"class":5390,"line":5456},12,[5388,5458,5459],{},"Server -> Server : Валідація DTO\n",[5388,5461,5463],{"class":5390,"line":5462},13,[5388,5464,5465],{},"Server -> DB : INSERT INTO users (email, password_hash)\\nVALUES ($1, $2)\n",[5388,5467,5469],{"class":5390,"line":5468},14,[5388,5470,5471],{},"activate DB\n",[5388,5473,5475],{"class":5390,"line":5474},15,[5388,5476,5477],{},"DB --> Server : Response: INSERT 0 1\n",[5388,5479,5481],{"class":5390,"line":5480},16,[5388,5482,5483],{},"deactivate DB\n",[5388,5485,5487],{"class":5390,"line":5486},17,[5388,5488,5413],{"emptyLinePlaceholder":5412},[5388,5490,5492],{"class":5390,"line":5491},18,[5388,5493,5494],{},"Server -> DB : SELECT id, email FROM users WHERE id = $1\n",[5388,5496,5498],{"class":5390,"line":5497},19,[5388,5499,5471],{},[5388,5501,5503],{"class":5390,"line":5502},20,[5388,5504,5505],{},"DB --> Server : Response: Row {id: 42, email: \"...\"}\n",[5388,5507,5509],{"class":5390,"line":5508},21,[5388,5510,5483],{},[5388,5512,5514],{"class":5390,"line":5513},22,[5388,5515,5413],{"emptyLinePlaceholder":5412},[5388,5517,5519],{"class":5390,"line":5518},23,[5388,5520,5521],{},"Server --> Client : HTTP 201 Created\\n{id: 42, email: \"...\"}\n",[5388,5523,5525],{"class":5390,"line":5524},24,[5388,5526,5527],{},"deactivate Server\n",[5388,5529,5531],{"class":5390,"line":5530},25,[5388,5532,5413],{"emptyLinePlaceholder":5412},[5388,5534,5536],{"class":5390,"line":5535},26,[5388,5537,5538],{},"@enduml\n",[5266,5540,5541],{},[5229,5542,5543],{},"Як це працює:",[5275,5545,5546,5556,5565,5568,5574],{},[5197,5547,5548,5551,5552,5555],{},[5229,5549,5550],{},"Клієнт"," надсилає HTTP-запит до ",[5229,5553,5554],{},"серверного застосунку",".",[5197,5557,5558,5561,5562,5555],{},[5229,5559,5560],{},"Сервер"," валідує дані, потім відкриває з'єднання з ",[5229,5563,5564],{},"базою даних PostgreSQL",[5197,5566,5567],{},"Сервер виконує SQL-команди (INSERT, SELECT, UPDATE, DELETE) через це з'єднання.",[5197,5569,5570,5573],{},[5229,5571,5572],{},"База даних"," обробляє запити, записує\u002Fчитає дані з диска та повертає результати серверу.",[5197,5575,5576,5578],{},[5229,5577,5560],{}," перетворює результати у JSON та повертає клієнту.",[5580,5581,5582,5583,5586,5587,5590],"warning",{},"База даних — це ",[5229,5584,5585],{},"окремий процес",", який слухає на порті (зазвичай ",[5204,5588,5589],{},"5432"," для PostgreSQL). Сервер не включає базу даних у себе, а під'єднується до неї через TCP-сокет, подібно до того, як клієнт під'єднується до сервера.",[5258,5592],{},[5261,5594,5596],{"id":5595},"стандартний-інтерфейс-databasesql-у-go","Стандартний інтерфейс database\u002Fsql у Go",[5266,5598,5599,5600,5603,5604,5607,5608,5611,5612,5555],{},"На відміну від мов з динамічною типізацією (Python, JavaScript), де існують специфічні для кожної СУБД бібліотеки (",[5204,5601,5602],{},"psycopg2",", ",[5204,5605,5606],{},"pg","), мова Go пропонує ",[5229,5609,5610],{},"уніфікований інтерфейс"," для роботи з будь-якою реляційною базою даних: пакет ",[5204,5613,5206],{},[5615,5616,5618],"h3",{"id":5617},"концепція-двошарової-архітектури-драйверів","Концепція двошарової архітектури драйверів",[5266,5620,5621,5622,5624],{},"Пакет ",[5204,5623,5206],{}," визначає набір абстракцій (інтерфейсів):",[5194,5626,5627,5633,5639,5645,5651],{},[5197,5628,5629,5632],{},[5204,5630,5631],{},"sql.DB"," — представляє пул з'єднань до бази даних.",[5197,5634,5635,5638],{},[5204,5636,5637],{},"sql.Conn"," — одне фізичне з'єднання.",[5197,5640,5641,5644],{},[5204,5642,5643],{},"sql.Tx"," — транзакцію.",[5197,5646,5647,5650],{},[5204,5648,5649],{},"sql.Rows"," — результат запиту SELECT (курсор).",[5197,5652,5653,5656],{},[5204,5654,5655],{},"sql.Result"," — результат команд INSERT\u002FUPDATE\u002FDELETE.",[5266,5658,5659,5665,5666,5306,5669,5672],{},[5229,5660,5661,5662,5664],{},"Сам пакет ",[5204,5663,5206],{}," не містить коду для роботи з конкретною СУБД",". Замість цього він очікує, що ви імпортуєте ",[5229,5667,5668],{},"драйвер",[5270,5670,5671],{},"driver",") — бібліотеку, яка реалізує низькорівневу комунікацію з PostgreSQL, MySQL чи іншою базою.",[5375,5674,5676],{"alt":5675},"Архітектура database\u002Fsql та драйверів",[5379,5677,5679],{"className":5381,"code":5678,"language":5383,"meta":5384,"style":5384},"@startuml\nskinparam style plain\nskinparam backgroundColor #FFFFFF\n\npackage \"Ваш застосунок (main.go)\" #F1F5F9 {\n    [Код застосунку] as App\n}\n\npackage \"Стандартна бібліотека Go\" #DBEAFE {\n    [database\u002Fsql] as SQL\n}\n\npackage \"Драйвери (третя сторона)\" #DCFCE7 {\n    [pgx (PostgreSQL)] as PGX\n    [mysql (MySQL)] as MySQL\n    [sqlite3] as SQLite\n}\n\ndatabase \"PostgreSQL СУБД\" as DB #FEF3C7\n\nApp --> SQL : Викликає sql.DB.Query()\nSQL --> PGX : Делегує виклик драйверу\nPGX --> DB : Низькорівнева комунікація\\n(PostgreSQL Wire Protocol)\nDB --> PGX : Бінарна відповідь\nPGX --> SQL : Перетворює у sql.Rows\nSQL --> App : Повертає результат\n\n@enduml\n",[5204,5680,5681,5685,5689,5693,5697,5702,5707,5712,5716,5721,5726,5730,5734,5739,5744,5749,5754,5758,5762,5767,5771,5776,5781,5786,5791,5796,5801,5806],{"__ignoreMap":5384},[5388,5682,5683],{"class":5390,"line":5391},[5388,5684,5394],{},[5388,5686,5687],{"class":5390,"line":5397},[5388,5688,5400],{},[5388,5690,5691],{"class":5390,"line":5403},[5388,5692,5406],{},[5388,5694,5695],{"class":5390,"line":5409},[5388,5696,5413],{"emptyLinePlaceholder":5412},[5388,5698,5699],{"class":5390,"line":5416},[5388,5700,5701],{},"package \"Ваш застосунок (main.go)\" #F1F5F9 {\n",[5388,5703,5704],{"class":5390,"line":5422},[5388,5705,5706],{},"    [Код застосунку] as App\n",[5388,5708,5709],{"class":5390,"line":5428},[5388,5710,5711],{},"}\n",[5388,5713,5714],{"class":5390,"line":5434},[5388,5715,5413],{"emptyLinePlaceholder":5412},[5388,5717,5718],{"class":5390,"line":5439},[5388,5719,5720],{},"package \"Стандартна бібліотека Go\" #DBEAFE {\n",[5388,5722,5723],{"class":5390,"line":5445},[5388,5724,5725],{},"    [database\u002Fsql] as SQL\n",[5388,5727,5728],{"class":5390,"line":5451},[5388,5729,5711],{},[5388,5731,5732],{"class":5390,"line":5456},[5388,5733,5413],{"emptyLinePlaceholder":5412},[5388,5735,5736],{"class":5390,"line":5462},[5388,5737,5738],{},"package \"Драйвери (третя сторона)\" #DCFCE7 {\n",[5388,5740,5741],{"class":5390,"line":5468},[5388,5742,5743],{},"    [pgx (PostgreSQL)] as PGX\n",[5388,5745,5746],{"class":5390,"line":5474},[5388,5747,5748],{},"    [mysql (MySQL)] as MySQL\n",[5388,5750,5751],{"class":5390,"line":5480},[5388,5752,5753],{},"    [sqlite3] as SQLite\n",[5388,5755,5756],{"class":5390,"line":5486},[5388,5757,5711],{},[5388,5759,5760],{"class":5390,"line":5491},[5388,5761,5413],{"emptyLinePlaceholder":5412},[5388,5763,5764],{"class":5390,"line":5497},[5388,5765,5766],{},"database \"PostgreSQL СУБД\" as DB #FEF3C7\n",[5388,5768,5769],{"class":5390,"line":5502},[5388,5770,5413],{"emptyLinePlaceholder":5412},[5388,5772,5773],{"class":5390,"line":5508},[5388,5774,5775],{},"App --> SQL : Викликає sql.DB.Query()\n",[5388,5777,5778],{"class":5390,"line":5513},[5388,5779,5780],{},"SQL --> PGX : Делегує виклик драйверу\n",[5388,5782,5783],{"class":5390,"line":5518},[5388,5784,5785],{},"PGX --> DB : Низькорівнева комунікація\\n(PostgreSQL Wire Protocol)\n",[5388,5787,5788],{"class":5390,"line":5524},[5388,5789,5790],{},"DB --> PGX : Бінарна відповідь\n",[5388,5792,5793],{"class":5390,"line":5530},[5388,5794,5795],{},"PGX --> SQL : Перетворює у sql.Rows\n",[5388,5797,5798],{"class":5390,"line":5535},[5388,5799,5800],{},"SQL --> App : Повертає результат\n",[5388,5802,5804],{"class":5390,"line":5803},27,[5388,5805,5413],{"emptyLinePlaceholder":5412},[5388,5807,5809],{"class":5390,"line":5808},28,[5388,5810,5538],{},[5266,5812,5813],{},[5229,5814,5815],{},"Переваги цього підходу:",[5194,5817,5818,5828,5834],{},[5197,5819,5820,5823,5824,5827],{},[5229,5821,5822],{},"Портативність коду:"," ви можете змінити СУБД, замінивши лише драйвер та рядок підключення (",[5270,5825,5826],{},"connection string",").",[5197,5829,5830,5833],{},[5229,5831,5832],{},"Стандартизація API:"," всі операції виконуються однаково, незалежно від СУБД.",[5197,5835,5836,5839],{},[5229,5837,5838],{},"Оптимізація драйверами:"," кожен драйвер може використовувати специфічні для СУБД протоколи та можливості (бінарний формат, підготовлені команди).",[5841,5842,5843,5848,5896],"tip",{},[5266,5844,5845],{},[5229,5846,5847],{},"Найпопулярніші драйвери та бібліотеки для PostgreSQL:",[5275,5849,5850,5867,5883],{},[5197,5851,5852,5306,5856,5863,5864,5866],{},[5229,5853,5854],{},[5204,5855,5210],{},[5857,5858,5862],"a",{"href":5859,"rel":5860},"https:\u002F\u002Fgithub.com\u002Fjackc\u002Fpgx",[5861],"nofollow","github.com\u002Fjackc\u002Fpgx",") — нативний Go-драйвер, найшвидший, підтримує всі можливості PostgreSQL, може працювати як через ",[5204,5865,5206],{},", так і через власний API.",[5197,5868,5869,5306,5874,5879,5880,5882],{},[5229,5870,5871],{},[5204,5872,5873],{},"sqlx",[5857,5875,5878],{"href":5876,"rel":5877},"https:\u002F\u002Fgithub.com\u002Fjmoiron\u002Fsqlx",[5861],"github.com\u002Fjmoiron\u002Fsqlx",") — обгортка над ",[5204,5881,5206],{},", що спрощує роботу з результатами запитів через автоматичне сканування у структури. Не є драйвером, а додатковим шаром зручності.",[5197,5884,5885,5306,5890,5895],{},[5229,5886,5887],{},[5204,5888,5889],{},"pq",[5857,5891,5894],{"href":5892,"rel":5893},"https:\u002F\u002Fgithub.com\u002Flib\u002Fpq",[5861],"github.com\u002Flib\u002Fpq",") — старіший драйвер, режим підтримки, використовується у легаcі-проєктах.",[5266,5897,5898,5899,5901,5902,5904],{},"Ми розглянемо ",[5229,5900,5210],{}," (як драйвер) та ",[5229,5903,5873],{}," (як інструмент спрощення роботи з SQL).",[5258,5906],{},[5261,5908,5910],{"id":5909},"підключення-до-postgresql-перші-кроки","Підключення до PostgreSQL: перші кроки",[5266,5912,5913,5914,5917],{},"Перш ніж писати код, потрібно ",[5229,5915,5916],{},"запустити екземпляр PostgreSQL",". Найпростіший спосіб — використати Docker:",[5919,5920,5921,6098,6169],"tabs",{},[5922,5923,5925,6072,6075],"tabs-item",{"label":5924},"Docker Compose",[5379,5926,5930],{"className":5927,"code":5928,"language":5929,"meta":5384,"style":5384},"language-yaml shiki shiki-themes light-plus dark-plus dark-plus","# docker-compose.yml\nversion: '3.8'\nservices:\n  postgres:\n    image: postgres:16-alpine\n    container_name: myapp_postgres\n    environment:\n      POSTGRES_USER: appuser\n      POSTGRES_PASSWORD: secretpass\n      POSTGRES_DB: myapp_db\n    ports:\n      - \"5432:5432\"\n    volumes:\n      - postgres_data:\u002Fvar\u002Flib\u002Fpostgresql\u002Fdata\n\nvolumes:\n  postgres_data:\n","yaml",[5204,5931,5932,5938,5952,5960,5967,5977,5987,5994,6004,6014,6024,6031,6040,6047,6054,6058,6065],{"__ignoreMap":5384},[5388,5933,5934],{"class":5390,"line":5391},[5388,5935,5937],{"class":5936},"spJ8K","# docker-compose.yml\n",[5388,5939,5940,5944,5948],{"class":5390,"line":5397},[5388,5941,5943],{"class":5942},"sKtos","version",[5388,5945,5947],{"class":5946},"sHH4Y",": ",[5388,5949,5951],{"class":5950},"su9tN","'3.8'\n",[5388,5953,5954,5957],{"class":5390,"line":5403},[5388,5955,5956],{"class":5942},"services",[5388,5958,5959],{"class":5946},":\n",[5388,5961,5962,5965],{"class":5390,"line":5409},[5388,5963,5964],{"class":5942},"  postgres",[5388,5966,5959],{"class":5946},[5388,5968,5969,5972,5974],{"class":5390,"line":5416},[5388,5970,5971],{"class":5942},"    image",[5388,5973,5947],{"class":5946},[5388,5975,5976],{"class":5950},"postgres:16-alpine\n",[5388,5978,5979,5982,5984],{"class":5390,"line":5422},[5388,5980,5981],{"class":5942},"    container_name",[5388,5983,5947],{"class":5946},[5388,5985,5986],{"class":5950},"myapp_postgres\n",[5388,5988,5989,5992],{"class":5390,"line":5428},[5388,5990,5991],{"class":5942},"    environment",[5388,5993,5959],{"class":5946},[5388,5995,5996,5999,6001],{"class":5390,"line":5434},[5388,5997,5998],{"class":5942},"      POSTGRES_USER",[5388,6000,5947],{"class":5946},[5388,6002,6003],{"class":5950},"appuser\n",[5388,6005,6006,6009,6011],{"class":5390,"line":5439},[5388,6007,6008],{"class":5942},"      POSTGRES_PASSWORD",[5388,6010,5947],{"class":5946},[5388,6012,6013],{"class":5950},"secretpass\n",[5388,6015,6016,6019,6021],{"class":5390,"line":5445},[5388,6017,6018],{"class":5942},"      POSTGRES_DB",[5388,6020,5947],{"class":5946},[5388,6022,6023],{"class":5950},"myapp_db\n",[5388,6025,6026,6029],{"class":5390,"line":5451},[5388,6027,6028],{"class":5942},"    ports",[5388,6030,5959],{"class":5946},[5388,6032,6033,6036],{"class":5390,"line":5456},[5388,6034,6035],{"class":5946},"      - ",[5388,6037,6039],{"class":6038},"sbdoH","\"5432:5432\"\n",[5388,6041,6042,6045],{"class":5390,"line":5462},[5388,6043,6044],{"class":5942},"    volumes",[5388,6046,5959],{"class":5946},[5388,6048,6049,6051],{"class":5390,"line":5468},[5388,6050,6035],{"class":5946},[5388,6052,6053],{"class":5950},"postgres_data:\u002Fvar\u002Flib\u002Fpostgresql\u002Fdata\n",[5388,6055,6056],{"class":5390,"line":5474},[5388,6057,5413],{"emptyLinePlaceholder":5412},[5388,6059,6060,6063],{"class":5390,"line":5480},[5388,6061,6062],{"class":5942},"volumes",[5388,6064,5959],{"class":5946},[5388,6066,6067,6070],{"class":5390,"line":5486},[5388,6068,6069],{"class":5942},"  postgres_data",[5388,6071,5959],{"class":5946},[5266,6073,6074],{},"Запуск:",[5379,6076,6080],{"className":6077,"code":6078,"language":6079,"meta":5384,"style":5384},"language-bash shiki shiki-themes light-plus dark-plus dark-plus","docker compose up -d\n","bash",[5204,6081,6082],{"__ignoreMap":5384},[5388,6083,6084,6088,6091,6094],{"class":5390,"line":5391},[5388,6085,6087],{"class":6086},"s8Opu","docker",[5388,6089,6090],{"class":6038}," compose",[5388,6092,6093],{"class":6038}," up",[5388,6095,6097],{"class":6096},"su1O8"," -d\n",[5922,6099,6101],{"label":6100},"Docker CLI",[5379,6102,6104],{"className":6077,"code":6103,"language":6079,"meta":5384,"style":5384},"docker run --name myapp_postgres \\\n  -e POSTGRES_USER=appuser \\\n  -e POSTGRES_PASSWORD=secretpass \\\n  -e POSTGRES_DB=myapp_db \\\n  -p 5432:5432 \\\n  -d postgres:16-alpine\n",[5204,6105,6106,6123,6133,6142,6151,6161],{"__ignoreMap":5384},[5388,6107,6108,6110,6113,6116,6119],{"class":5390,"line":5391},[5388,6109,6087],{"class":6086},[5388,6111,6112],{"class":6038}," run",[5388,6114,6115],{"class":6096}," --name",[5388,6117,6118],{"class":6038}," myapp_postgres",[5388,6120,6122],{"class":6121},"sjcCO"," \\\n",[5388,6124,6125,6128,6131],{"class":5390,"line":5397},[5388,6126,6127],{"class":6096},"  -e",[5388,6129,6130],{"class":6038}," POSTGRES_USER=appuser",[5388,6132,6122],{"class":6121},[5388,6134,6135,6137,6140],{"class":5390,"line":5403},[5388,6136,6127],{"class":6096},[5388,6138,6139],{"class":6038}," POSTGRES_PASSWORD=secretpass",[5388,6141,6122],{"class":6121},[5388,6143,6144,6146,6149],{"class":5390,"line":5409},[5388,6145,6127],{"class":6096},[5388,6147,6148],{"class":6038}," POSTGRES_DB=myapp_db",[5388,6150,6122],{"class":6121},[5388,6152,6153,6156,6159],{"class":5390,"line":5416},[5388,6154,6155],{"class":6096},"  -p",[5388,6157,6158],{"class":6038}," 5432:5432",[5388,6160,6122],{"class":6121},[5388,6162,6163,6166],{"class":5390,"line":5422},[5388,6164,6165],{"class":6096},"  -d",[5388,6167,6168],{"class":6038}," postgres:16-alpine\n",[5922,6170,6172],{"label":6171},"Локальна установка (macOS)",[5379,6173,6175],{"className":6077,"code":6174,"language":6079,"meta":5384,"style":5384},"brew install postgresql@16\nbrew services start postgresql@16\ncreatedb myapp_db\n",[5204,6176,6177,6188,6200],{"__ignoreMap":5384},[5388,6178,6179,6182,6185],{"class":5390,"line":5391},[5388,6180,6181],{"class":6086},"brew",[5388,6183,6184],{"class":6038}," install",[5388,6186,6187],{"class":6038}," postgresql@16\n",[5388,6189,6190,6192,6195,6198],{"class":5390,"line":5397},[5388,6191,6181],{"class":6086},[5388,6193,6194],{"class":6038}," services",[5388,6196,6197],{"class":6038}," start",[5388,6199,6187],{"class":6038},[5388,6201,6202,6205],{"class":5390,"line":5403},[5388,6203,6204],{"class":6086},"createdb",[5388,6206,6207],{"class":6038}," myapp_db\n",[5266,6209,6210,6211,6213],{},"Після запуску СУБД вона слухатиме на порту ",[5204,6212,5589],{},". Тепер можна під'єднатися з Go.",[5615,6215,6217],{"id":6216},"встановлення-драйвера-pgx","Встановлення драйвера pgx",[5919,6219,6220],{},[5922,6221,6223],{"label":6222},"Go Modules",[5379,6224,6226],{"className":6077,"code":6225,"language":6079,"meta":5384,"style":5384},"go get github.com\u002Fjackc\u002Fpgx\u002Fv5\ngo get github.com\u002Fjackc\u002Fpgx\u002Fv5\u002Fstdlib\n",[5204,6227,6228,6239],{"__ignoreMap":5384},[5388,6229,6230,6233,6236],{"class":5390,"line":5391},[5388,6231,6232],{"class":6086},"go",[5388,6234,6235],{"class":6038}," get",[5388,6237,6238],{"class":6038}," github.com\u002Fjackc\u002Fpgx\u002Fv5\n",[5388,6240,6241,6243,6245],{"class":5390,"line":5397},[5388,6242,6232],{"class":6086},[5388,6244,6235],{"class":6038},[5388,6246,6247],{"class":6038}," github.com\u002Fjackc\u002Fpgx\u002Fv5\u002Fstdlib\n",[5266,6249,6250],{},[5229,6251,6252],{},"Чому два пакети?",[5194,6254,6255,6263],{},[5197,6256,6257,6260,6261,5827],{},[5204,6258,6259],{},"github.com\u002Fjackc\u002Fpgx\u002Fv5"," — нативний API pgx (більш потужний, але не сумісний з ",[5204,6262,5206],{},[5197,6264,6265,6268,6269,5555],{},[5204,6266,6267],{},"github.com\u002Fjackc\u002Fpgx\u002Fv5\u002Fstdlib"," — адаптер для використання pgx через стандартний інтерфейс ",[5204,6270,5206],{},[5266,6272,6273,6274,6279],{},"На цій лекції ми будемо використовувати ",[5229,6275,6276,6277],{},"стандартний інтерфейс ",[5204,6278,5206],{},", щоб ви могли легко перейти на будь-яку іншу СУБД у майбутньому.",[5615,6281,6283],{"id":6282},"структура-підключення-рядок-dsn","Структура підключення: рядок DSN",[5266,6285,6286,6287,5306,6290,6293,6294,6296],{},"Для підключення до PostgreSQL використовується ",[5229,6288,6289],{},"DSN",[5270,6291,6292],{},"Data Source Name"," — ім'я джерела даних), також відомий як ",[5270,6295,5826],{}," (рядок підключення).",[5266,6298,6299],{},"Формат DSN для PostgreSQL:",[5379,6301,6306],{"className":6302,"code":6304,"language":6305},[6303],"language-text","postgres:\u002F\u002Fusername:password@hostname:port\u002Fdatabase?параметри\n","text",[5204,6307,6304],{"__ignoreMap":5384},[5266,6309,6310],{},"Приклад:",[5379,6312,6315],{"className":6313,"code":6314,"language":6305},[6303],"postgres:\u002F\u002Fappuser:secretpass@localhost:5432\u002Fmyapp_db?sslmode=disable\n",[5204,6316,6314],{"__ignoreMap":5384},[5266,6318,6319],{},[5229,6320,6321],{},"Розбір компонентів:",[5194,6323,6324,6330,6336,6342,6348],{},[5197,6325,6326,6329],{},[5204,6327,6328],{},"appuser"," — ім'я користувача бази даних.",[5197,6331,6332,6335],{},[5204,6333,6334],{},"secretpass"," — пароль.",[5197,6337,6338,6341],{},[5204,6339,6340],{},"localhost:5432"," — адреса та порт сервера PostgreSQL.",[5197,6343,6344,6347],{},[5204,6345,6346],{},"myapp_db"," — назва бази даних.",[5197,6349,6350,6353],{},[5204,6351,6352],{},"sslmode=disable"," — вимкнути шифрування SSL (лише для локальної розробки!).",[5580,6355,6356,6374],{},[5266,6357,6358,6359,5306,6362,6365,6366,6369,6370,6373],{},"У промисловому середовищі ",[5229,6360,6361],{},"ніколи не вимикайте SSL",[5204,6363,6364],{},"sslmode=require"," або ",[5204,6367,6368],{},"sslmode=verify-full","). Також ",[5229,6371,6372],{},"ніколи не зберігайте паролі в коді"," — використовуйте змінні оточення:",[5379,6375,6378],{"className":6376,"code":6377,"language":6232,"meta":5384,"style":5384},"language-go shiki shiki-themes light-plus dark-plus dark-plus","dsn := os.Getenv(\"DATABASE_URL\")\n",[5204,6379,6380],{"__ignoreMap":5384},[5388,6381,6382,6386,6389,6392,6394,6397,6400,6403],{"class":5390,"line":5391},[5388,6383,6385],{"class":6384},"siwwj","dsn",[5388,6387,6388],{"class":5946}," := ",[5388,6390,6391],{"class":6384},"os",[5388,6393,5555],{"class":5946},[5388,6395,6396],{"class":6086},"Getenv",[5388,6398,6399],{"class":5946},"(",[5388,6401,6402],{"class":6038},"\"DATABASE_URL\"",[5388,6404,6405],{"class":5946},")\n",[5615,6407,6409],{"id":6408},"відкриття-зєднання-та-пул-підключень","Відкриття з'єднання та пул підключень",[5266,6411,6412],{},"Розглянемо базовий код підключення до PostgreSQL:",[5379,6414,6416],{"className":6376,"code":6415,"language":6232,"meta":5384,"style":5384},"package main\n\nimport (\n    \"database\u002Fsql\"\n    \"fmt\"\n    \"log\"\n    \n    _ \"github.com\u002Fjackc\u002Fpgx\u002Fv5\u002Fstdlib\" \u002F\u002F Реєстрація драйвера\n)\n\nfunc main() {\n    \u002F\u002F Рядок підключення (DSN)\n    dsn := \"postgres:\u002F\u002Fappuser:secretpass@localhost:5432\u002Fmyapp_db?sslmode=disable\"\n    \n    \u002F\u002F Відкриття пулу з'єднань\n    db, err := sql.Open(\"pgx\", dsn)\n    if err != nil {\n        log.Fatalf(\"Не вдалося відкрити базу даних: %v\", err)\n    }\n    defer db.Close()\n    \n    \u002F\u002F Перевірка з'єднання\n    if err := db.Ping(); err != nil {\n        log.Fatalf(\"Не вдалося під'єднатися до бази даних: %v\", err)\n    }\n    \n    fmt.Println(\"✅ Успішне підключення до PostgreSQL\")\n}\n",[5204,6417,6418,6427,6431,6440,6445,6450,6455,6460,6471,6475,6479,6490,6495,6505,6509,6514,6545,6562,6589,6594,6610,6614,6619,6646,6669,6673,6677,6694],{"__ignoreMap":5384},[5388,6419,6420,6423],{"class":5390,"line":5391},[5388,6421,6422],{"class":6096},"package",[5388,6424,6426],{"class":6425},"sN1BT"," main\n",[5388,6428,6429],{"class":5390,"line":5397},[5388,6430,5413],{"emptyLinePlaceholder":5412},[5388,6432,6433,6437],{"class":5390,"line":5403},[5388,6434,6436],{"class":6435},"s8xlr","import",[5388,6438,6439],{"class":5946}," (\n",[5388,6441,6442],{"class":5390,"line":5409},[5388,6443,6444],{"class":6038},"    \"database\u002Fsql\"\n",[5388,6446,6447],{"class":5390,"line":5416},[5388,6448,6449],{"class":6038},"    \"fmt\"\n",[5388,6451,6452],{"class":5390,"line":5422},[5388,6453,6454],{"class":6038},"    \"log\"\n",[5388,6456,6457],{"class":5390,"line":5428},[5388,6458,6459],{"class":5946},"    \n",[5388,6461,6462,6465,6468],{"class":5390,"line":5434},[5388,6463,6464],{"class":6384},"    _",[5388,6466,6467],{"class":6038}," \"github.com\u002Fjackc\u002Fpgx\u002Fv5\u002Fstdlib\"",[5388,6469,6470],{"class":5936}," \u002F\u002F Реєстрація драйвера\n",[5388,6472,6473],{"class":5390,"line":5439},[5388,6474,6405],{"class":5946},[5388,6476,6477],{"class":5390,"line":5445},[5388,6478,5413],{"emptyLinePlaceholder":5412},[5388,6480,6481,6484,6487],{"class":5390,"line":5451},[5388,6482,6483],{"class":6096},"func",[5388,6485,6486],{"class":6086}," main",[5388,6488,6489],{"class":5946},"() {\n",[5388,6491,6492],{"class":5390,"line":5456},[5388,6493,6494],{"class":5936},"    \u002F\u002F Рядок підключення (DSN)\n",[5388,6496,6497,6500,6502],{"class":5390,"line":5462},[5388,6498,6499],{"class":6384},"    dsn",[5388,6501,6388],{"class":5946},[5388,6503,6504],{"class":6038},"\"postgres:\u002F\u002Fappuser:secretpass@localhost:5432\u002Fmyapp_db?sslmode=disable\"\n",[5388,6506,6507],{"class":5390,"line":5468},[5388,6508,6459],{"class":5946},[5388,6510,6511],{"class":5390,"line":5474},[5388,6512,6513],{"class":5936},"    \u002F\u002F Відкриття пулу з'єднань\n",[5388,6515,6516,6519,6521,6524,6526,6529,6531,6534,6536,6539,6541,6543],{"class":5390,"line":5480},[5388,6517,6518],{"class":6384},"    db",[5388,6520,5603],{"class":5946},[5388,6522,6523],{"class":6384},"err",[5388,6525,6388],{"class":5946},[5388,6527,6528],{"class":6384},"sql",[5388,6530,5555],{"class":5946},[5388,6532,6533],{"class":6086},"Open",[5388,6535,6399],{"class":5946},[5388,6537,6538],{"class":6038},"\"pgx\"",[5388,6540,5603],{"class":5946},[5388,6542,6385],{"class":6384},[5388,6544,6405],{"class":5946},[5388,6546,6547,6550,6553,6556,6559],{"class":5390,"line":5486},[5388,6548,6549],{"class":6435},"    if",[5388,6551,6552],{"class":6384}," err",[5388,6554,6555],{"class":5946}," != ",[5388,6557,6558],{"class":6096},"nil",[5388,6560,6561],{"class":5946}," {\n",[5388,6563,6564,6567,6569,6572,6574,6577,6580,6583,6585,6587],{"class":5390,"line":5491},[5388,6565,6566],{"class":6384},"        log",[5388,6568,5555],{"class":5946},[5388,6570,6571],{"class":6086},"Fatalf",[5388,6573,6399],{"class":5946},[5388,6575,6576],{"class":6038},"\"Не вдалося відкрити базу даних: ",[5388,6578,6579],{"class":6384},"%v",[5388,6581,6582],{"class":6038},"\"",[5388,6584,5603],{"class":5946},[5388,6586,6523],{"class":6384},[5388,6588,6405],{"class":5946},[5388,6590,6591],{"class":5390,"line":5497},[5388,6592,6593],{"class":5946},"    }\n",[5388,6595,6596,6599,6602,6604,6607],{"class":5390,"line":5502},[5388,6597,6598],{"class":6435},"    defer",[5388,6600,6601],{"class":6384}," db",[5388,6603,5555],{"class":5946},[5388,6605,6606],{"class":6086},"Close",[5388,6608,6609],{"class":5946},"()\n",[5388,6611,6612],{"class":5390,"line":5508},[5388,6613,6459],{"class":5946},[5388,6615,6616],{"class":5390,"line":5513},[5388,6617,6618],{"class":5936},"    \u002F\u002F Перевірка з'єднання\n",[5388,6620,6621,6623,6625,6627,6630,6632,6635,6638,6640,6642,6644],{"class":5390,"line":5518},[5388,6622,6549],{"class":6435},[5388,6624,6552],{"class":6384},[5388,6626,6388],{"class":5946},[5388,6628,6629],{"class":6384},"db",[5388,6631,5555],{"class":5946},[5388,6633,6634],{"class":6086},"Ping",[5388,6636,6637],{"class":5946},"(); ",[5388,6639,6523],{"class":6384},[5388,6641,6555],{"class":5946},[5388,6643,6558],{"class":6096},[5388,6645,6561],{"class":5946},[5388,6647,6648,6650,6652,6654,6656,6659,6661,6663,6665,6667],{"class":5390,"line":5524},[5388,6649,6566],{"class":6384},[5388,6651,5555],{"class":5946},[5388,6653,6571],{"class":6086},[5388,6655,6399],{"class":5946},[5388,6657,6658],{"class":6038},"\"Не вдалося під'єднатися до бази даних: ",[5388,6660,6579],{"class":6384},[5388,6662,6582],{"class":6038},[5388,6664,5603],{"class":5946},[5388,6666,6523],{"class":6384},[5388,6668,6405],{"class":5946},[5388,6670,6671],{"class":5390,"line":5530},[5388,6672,6593],{"class":5946},[5388,6674,6675],{"class":5390,"line":5535},[5388,6676,6459],{"class":5946},[5388,6678,6679,6682,6684,6687,6689,6692],{"class":5390,"line":5803},[5388,6680,6681],{"class":6384},"    fmt",[5388,6683,5555],{"class":5946},[5388,6685,6686],{"class":6086},"Println",[5388,6688,6399],{"class":5946},[5388,6690,6691],{"class":6038},"\"✅ Успішне підключення до PostgreSQL\"",[5388,6693,6405],{"class":5946},[5388,6695,6696],{"class":5390,"line":5808},[5388,6697,5711],{"class":5946},[5266,6699,6700],{},[5229,6701,6702],{},"Важливі деталі:",[5275,6704,6705,6738,6761,6779],{},[5197,6706,6707,6714,6726,6729,6730,6732,6733,6735,6736,5555],{},[5229,6708,6709,6710,6713],{},"Імпорт драйвера з ",[5204,6711,6712],{},"_"," (blank identifier):",[5379,6715,6717],{"className":6376,"code":6716,"language":6232,"meta":5384,"style":5384},"_ \"github.com\u002Fjackc\u002Fpgx\u002Fv5\u002Fstdlib\"\n",[5204,6718,6719],{"__ignoreMap":5384},[5388,6720,6721,6723],{"class":5390,"line":5391},[5388,6722,6712],{"class":6384},[5388,6724,6725],{"class":6038}," \"github.com\u002Fjackc\u002Fpgx\u002Fv5\u002Fstdlib\"\n",[6727,6728],"br",{},"Цей імпорт не надає жодних функцій напряму. Він лише реєструє драйвер ",[5204,6731,5210],{}," у глобальному реєстрі ",[5204,6734,5206],{}," під ім'ям ",[5204,6737,6538],{},[5197,6739,6740,6746,6748,6749,6752,6753,6756,6757,6760],{},[5229,6741,6742,6745],{},[5204,6743,6744],{},"sql.Open()"," не відкриває з'єднання:",[6727,6747],{},"\nВиклик ",[5204,6750,6751],{},"sql.Open(\"pgx\", dsn)"," лише створює об'єкт ",[5204,6754,6755],{},"*sql.DB"," та ініціалізує пул з'єднань, але ",[5229,6758,6759],{},"не встановлює фізичне з'єднання"," з базою даних. Фактичне підключення відбувається при першому запиті.",[5197,6762,6763,6769,6771,6772,6775,6776,6778],{},[5229,6764,6765,6768],{},[5204,6766,6767],{},"db.Ping()"," — перевірка доступності:",[6727,6770],{},"\nМетод ",[5204,6773,6774],{},"Ping()"," примушує пул створити реальне з'єднання та виконати тривіальний запит до бази. Якщо база недоступна, ",[5204,6777,6774],{}," поверне помилку.",[5197,6780,6781,6787,6789,6790,6792,6793,5555],{},[5229,6782,6783,6786],{},[5204,6784,6785],{},"defer db.Close()",":",[6727,6788],{},"\nОб'єкт ",[5204,6791,5631],{}," зберігає пул з'єднань. При завершенні роботи програми потрібно закрити всі з'єднання, викликавши ",[5204,6794,6795],{},"Close()",[5350,6797,6798,6803,6813],{},[5266,6799,6800],{},[5229,6801,6802],{},"Що таке Connection Pool (пул з'єднань)?",[5266,6804,6805,6806,6808,6809,6812],{},"Створення нового TCP-з'єднання до бази даних — це дорога операція (рукостискання, автентифікація, ініціалізація сесії). Замість створення нового з'єднання для кожного запиту, ",[5204,6807,5631],{}," підтримує ",[5229,6810,6811],{},"пул з'єднань",": кілька відкритих з'єднань, які багаторазово використовуються різними горутинами.",[5266,6814,6815],{},"Коли горутина виконує запит, вона отримує вільне з'єднання з пулу. Після завершення запиту з'єднання повертається у пул для подальшого використання.",[5615,6817,6819],{"id":6818},"налаштування-параметрів-пулу-зєднань","Налаштування параметрів пулу з'єднань",[5266,6821,6822,6823,6825,6826,6829],{},"За замовчуванням ",[5204,6824,5631],{}," створює необмежену кількість з'єднань (",[5270,6827,6828],{},"unlimited","). Це може призвести до виснаження ресурсів бази даних. Тому важливо налаштувати розмір пулу:",[5379,6831,6833],{"className":6376,"code":6832,"language":6232,"meta":5384,"style":5384},"\u002F\u002F Максимальна кількість відкритих з'єднань (включно з активними та неактивними)\ndb.SetMaxOpenConns(25)\n\n\u002F\u002F Максимальна кількість неактивних (idle) з'єднань у пулі\ndb.SetMaxIdleConns(10)\n\n\u002F\u002F Максимальний час життя з'єднання (після закінчення з'єднання буде закрите)\ndb.SetConnMaxLifetime(5 * time.Minute)\n\n\u002F\u002F Максимальний час простою з'єднання (неактивні з'єднання будуть закриті)\ndb.SetConnMaxIdleTime(2 * time.Minute)\n",[5204,6834,6835,6840,6857,6861,6866,6882,6886,6891,6918,6922,6927],{"__ignoreMap":5384},[5388,6836,6837],{"class":5390,"line":5391},[5388,6838,6839],{"class":5936},"\u002F\u002F Максимальна кількість відкритих з'єднань (включно з активними та неактивними)\n",[5388,6841,6842,6844,6846,6849,6851,6855],{"class":5390,"line":5397},[5388,6843,6629],{"class":6384},[5388,6845,5555],{"class":5946},[5388,6847,6848],{"class":6086},"SetMaxOpenConns",[5388,6850,6399],{"class":5946},[5388,6852,6854],{"class":6853},"sJj4R","25",[5388,6856,6405],{"class":5946},[5388,6858,6859],{"class":5390,"line":5403},[5388,6860,5413],{"emptyLinePlaceholder":5412},[5388,6862,6863],{"class":5390,"line":5409},[5388,6864,6865],{"class":5936},"\u002F\u002F Максимальна кількість неактивних (idle) з'єднань у пулі\n",[5388,6867,6868,6870,6872,6875,6877,6880],{"class":5390,"line":5416},[5388,6869,6629],{"class":6384},[5388,6871,5555],{"class":5946},[5388,6873,6874],{"class":6086},"SetMaxIdleConns",[5388,6876,6399],{"class":5946},[5388,6878,6879],{"class":6853},"10",[5388,6881,6405],{"class":5946},[5388,6883,6884],{"class":5390,"line":5422},[5388,6885,5413],{"emptyLinePlaceholder":5412},[5388,6887,6888],{"class":5390,"line":5428},[5388,6889,6890],{"class":5936},"\u002F\u002F Максимальний час життя з'єднання (після закінчення з'єднання буде закрите)\n",[5388,6892,6893,6895,6897,6900,6902,6905,6908,6911,6913,6916],{"class":5390,"line":5434},[5388,6894,6629],{"class":6384},[5388,6896,5555],{"class":5946},[5388,6898,6899],{"class":6086},"SetConnMaxLifetime",[5388,6901,6399],{"class":5946},[5388,6903,6904],{"class":6853},"5",[5388,6906,6907],{"class":5946}," * ",[5388,6909,6910],{"class":6384},"time",[5388,6912,5555],{"class":5946},[5388,6914,6915],{"class":6384},"Minute",[5388,6917,6405],{"class":5946},[5388,6919,6920],{"class":5390,"line":5439},[5388,6921,5413],{"emptyLinePlaceholder":5412},[5388,6923,6924],{"class":5390,"line":5445},[5388,6925,6926],{"class":5936},"\u002F\u002F Максимальний час простою з'єднання (неактивні з'єднання будуть закриті)\n",[5388,6928,6929,6931,6933,6936,6938,6941,6943,6945,6947,6949],{"class":5390,"line":5451},[5388,6930,6629],{"class":6384},[5388,6932,5555],{"class":5946},[5388,6934,6935],{"class":6086},"SetConnMaxIdleTime",[5388,6937,6399],{"class":5946},[5388,6939,6940],{"class":6853},"2",[5388,6942,6907],{"class":5946},[5388,6944,6910],{"class":6384},[5388,6946,5555],{"class":5946},[5388,6948,6915],{"class":6384},[5388,6950,6405],{"class":5946},[5266,6952,6953],{},[5229,6954,6955],{},"Рекомендації для промислового коду:",[5194,6957,6958,6969,6977],{},[5197,6959,6960,6965,6966,5827],{},[5229,6961,6962],{},[5204,6963,6964],{},"SetMaxOpenConns(25-100)"," — залежить від навантаження та обмежень PostgreSQL (",[5204,6967,6968],{},"max_connections",[5197,6970,6971,6976],{},[5229,6972,6973],{},[5204,6974,6975],{},"SetMaxIdleConns(5-10)"," — достатньо для утримання з'єднань між сплесками трафіку.",[5197,6978,6979,6984],{},[5229,6980,6981],{},[5204,6982,6983],{},"SetConnMaxLifetime(5-30 хв)"," — запобігає накопиченню застарілих з'єднань.",[5841,6986,6987,6988,6991],{},"Якщо ваш сервер обробляє 1000 одночасних запитів, але ",[5204,6989,6990],{},"MaxOpenConns = 25",", то горутини чекатимуть на звільнення з'єднання. Це нормальна поведінка — база даних не може обробляти необмежену кількість паралельних запитів. Налаштовуйте пул відповідно до можливостей вашої СУБД.",[5258,6993],{},[5261,6995,6997],{"id":6996},"виконання-sql-запитів-базові-операції-crud","Виконання SQL-запитів: базові операції CRUD",[5266,6999,7000,7001,5306,7004,5827],{},"Тепер, коли ми маємо підключення до бази, можемо виконувати SQL-запити. Розглянемо чотири базові операції ",[5229,7002,7003],{},"CRUD",[5270,7005,7006],{},"Create, Read, Update, Delete",[5615,7008,7010],{"id":7009},"створення-таблиці-ddl","Створення таблиці (DDL)",[5266,7012,7013,7014,7017],{},"Перш ніж зберігати дані, потрібно створити таблицю. Виконаємо DDL-команду (",[5270,7015,7016],{},"Data Definition Language","):",[5379,7019,7021],{"className":6376,"code":7020,"language":6232,"meta":5384,"style":5384},"func createTable(db *sql.DB) error {\n    query := `\n    CREATE TABLE IF NOT EXISTS users (\n        id SERIAL PRIMARY KEY,\n        email VARCHAR(255) UNIQUE NOT NULL,\n        password_hash VARCHAR(255) NOT NULL,\n        full_name VARCHAR(255) NOT NULL,\n        created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP\n    );\n    `\n    \n    _, err := db.Exec(query)\n    if err != nil {\n        return fmt.Errorf(\"не вдалося створити таблицю: %w\", err)\n    }\n    \n    fmt.Println(\"✅ Таблиця users створена\")\n    return nil\n}\n",[5204,7022,7023,7052,7062,7067,7072,7077,7082,7087,7092,7097,7102,7106,7130,7142,7171,7175,7179,7194,7202],{"__ignoreMap":5384},[5388,7024,7025,7027,7030,7032,7034,7037,7039,7041,7044,7047,7050],{"class":5390,"line":5391},[5388,7026,6483],{"class":6096},[5388,7028,7029],{"class":6086}," createTable",[5388,7031,6399],{"class":5946},[5388,7033,6629],{"class":6384},[5388,7035,7036],{"class":5946}," *",[5388,7038,6528],{"class":6425},[5388,7040,5555],{"class":5946},[5388,7042,7043],{"class":6425},"DB",[5388,7045,7046],{"class":5946},") ",[5388,7048,7049],{"class":6425},"error",[5388,7051,6561],{"class":5946},[5388,7053,7054,7057,7059],{"class":5390,"line":5397},[5388,7055,7056],{"class":6384},"    query",[5388,7058,6388],{"class":5946},[5388,7060,7061],{"class":6038},"`\n",[5388,7063,7064],{"class":5390,"line":5403},[5388,7065,7066],{"class":6038},"    CREATE TABLE IF NOT EXISTS users (\n",[5388,7068,7069],{"class":5390,"line":5409},[5388,7070,7071],{"class":6038},"        id SERIAL PRIMARY KEY,\n",[5388,7073,7074],{"class":5390,"line":5416},[5388,7075,7076],{"class":6038},"        email VARCHAR(255) UNIQUE NOT NULL,\n",[5388,7078,7079],{"class":5390,"line":5422},[5388,7080,7081],{"class":6038},"        password_hash VARCHAR(255) NOT NULL,\n",[5388,7083,7084],{"class":5390,"line":5428},[5388,7085,7086],{"class":6038},"        full_name VARCHAR(255) NOT NULL,\n",[5388,7088,7089],{"class":5390,"line":5434},[5388,7090,7091],{"class":6038},"        created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP\n",[5388,7093,7094],{"class":5390,"line":5439},[5388,7095,7096],{"class":6038},"    );\n",[5388,7098,7099],{"class":5390,"line":5445},[5388,7100,7101],{"class":6038},"    `\n",[5388,7103,7104],{"class":5390,"line":5451},[5388,7105,6459],{"class":5946},[5388,7107,7108,7110,7112,7114,7116,7118,7120,7123,7125,7128],{"class":5390,"line":5456},[5388,7109,6464],{"class":6384},[5388,7111,5603],{"class":5946},[5388,7113,6523],{"class":6384},[5388,7115,6388],{"class":5946},[5388,7117,6629],{"class":6384},[5388,7119,5555],{"class":5946},[5388,7121,7122],{"class":6086},"Exec",[5388,7124,6399],{"class":5946},[5388,7126,7127],{"class":6384},"query",[5388,7129,6405],{"class":5946},[5388,7131,7132,7134,7136,7138,7140],{"class":5390,"line":5462},[5388,7133,6549],{"class":6435},[5388,7135,6552],{"class":6384},[5388,7137,6555],{"class":5946},[5388,7139,6558],{"class":6096},[5388,7141,6561],{"class":5946},[5388,7143,7144,7147,7150,7152,7155,7157,7160,7163,7165,7167,7169],{"class":5390,"line":5468},[5388,7145,7146],{"class":6435},"        return",[5388,7148,7149],{"class":6384}," fmt",[5388,7151,5555],{"class":5946},[5388,7153,7154],{"class":6086},"Errorf",[5388,7156,6399],{"class":5946},[5388,7158,7159],{"class":6038},"\"не вдалося створити таблицю: ",[5388,7161,7162],{"class":6384},"%w",[5388,7164,6582],{"class":6038},[5388,7166,5603],{"class":5946},[5388,7168,6523],{"class":6384},[5388,7170,6405],{"class":5946},[5388,7172,7173],{"class":5390,"line":5474},[5388,7174,6593],{"class":5946},[5388,7176,7177],{"class":5390,"line":5480},[5388,7178,6459],{"class":5946},[5388,7180,7181,7183,7185,7187,7189,7192],{"class":5390,"line":5486},[5388,7182,6681],{"class":6384},[5388,7184,5555],{"class":5946},[5388,7186,6686],{"class":6086},[5388,7188,6399],{"class":5946},[5388,7190,7191],{"class":6038},"\"✅ Таблиця users створена\"",[5388,7193,6405],{"class":5946},[5388,7195,7196,7199],{"class":5390,"line":5491},[5388,7197,7198],{"class":6435},"    return",[5388,7200,7201],{"class":6096}," nil\n",[5388,7203,7204],{"class":5390,"line":5497},[5388,7205,5711],{"class":5946},[5266,7207,7208,7214,7215,5947,7218,5603,7221,5603,7224,5603,7227,5555],{},[5229,7209,7210,7211],{},"Метод ",[5204,7212,7213],{},"Exec()"," використовується для виконання команд, які ",[5229,7216,7217],{},"не повертають рядки",[5204,7219,7220],{},"CREATE",[5204,7222,7223],{},"INSERT",[5204,7225,7226],{},"UPDATE",[5204,7228,7229],{},"DELETE",[5266,7231,7232],{},[5229,7233,7234,7235,6786],{},"Повернене значення ",[5204,7236,5655],{},[5379,7238,7240],{"className":6376,"code":7239,"language":6232,"meta":5384,"style":5384},"result, err := db.Exec(\"INSERT INTO users ...\")\nif err != nil {\n    return err\n}\n\nlastID, _ := result.LastInsertId() \u002F\u002F Останній згенерований ID (не для всіх СУБД)\nrowsAffected, _ := result.RowsAffected() \u002F\u002F Кількість змінених рядків\n",[5204,7241,7242,7266,7279,7286,7290,7294,7318],{"__ignoreMap":5384},[5388,7243,7244,7247,7249,7251,7253,7255,7257,7259,7261,7264],{"class":5390,"line":5391},[5388,7245,7246],{"class":6384},"result",[5388,7248,5603],{"class":5946},[5388,7250,6523],{"class":6384},[5388,7252,6388],{"class":5946},[5388,7254,6629],{"class":6384},[5388,7256,5555],{"class":5946},[5388,7258,7122],{"class":6086},[5388,7260,6399],{"class":5946},[5388,7262,7263],{"class":6038},"\"INSERT INTO users ...\"",[5388,7265,6405],{"class":5946},[5388,7267,7268,7271,7273,7275,7277],{"class":5390,"line":5397},[5388,7269,7270],{"class":6435},"if",[5388,7272,6552],{"class":6384},[5388,7274,6555],{"class":5946},[5388,7276,6558],{"class":6096},[5388,7278,6561],{"class":5946},[5388,7280,7281,7283],{"class":5390,"line":5403},[5388,7282,7198],{"class":6435},[5388,7284,7285],{"class":6384}," err\n",[5388,7287,7288],{"class":5390,"line":5409},[5388,7289,5711],{"class":5946},[5388,7291,7292],{"class":5390,"line":5416},[5388,7293,5413],{"emptyLinePlaceholder":5412},[5388,7295,7296,7299,7301,7303,7305,7307,7309,7312,7315],{"class":5390,"line":5422},[5388,7297,7298],{"class":6384},"lastID",[5388,7300,5603],{"class":5946},[5388,7302,6712],{"class":6384},[5388,7304,6388],{"class":5946},[5388,7306,7246],{"class":6384},[5388,7308,5555],{"class":5946},[5388,7310,7311],{"class":6086},"LastInsertId",[5388,7313,7314],{"class":5946},"() ",[5388,7316,7317],{"class":5936},"\u002F\u002F Останній згенерований ID (не для всіх СУБД)\n",[5388,7319,7320,7323,7325,7327,7329,7331,7333,7336,7338],{"class":5390,"line":5428},[5388,7321,7322],{"class":6384},"rowsAffected",[5388,7324,5603],{"class":5946},[5388,7326,6712],{"class":6384},[5388,7328,6388],{"class":5946},[5388,7330,7246],{"class":6384},[5388,7332,5555],{"class":5946},[5388,7334,7335],{"class":6086},"RowsAffected",[5388,7337,7314],{"class":5946},[5388,7339,7340],{"class":5936},"\u002F\u002F Кількість змінених рядків\n",[5350,7342,7343,7355],{},[5266,7344,7210,7345,7348,7349,7351,7352,6786],{},[5204,7346,7347],{},"LastInsertId()"," не підтримується PostgreSQL напряму через ",[5204,7350,5206],{},". Для отримання згенерованого ID використовуйте ",[5204,7353,7354],{},"RETURNING",[5379,7356,7359],{"className":7357,"code":7358,"language":6528,"meta":5384,"style":5384},"language-sql shiki shiki-themes light-plus dark-plus dark-plus","INSERT INTO users (email, password_hash) VALUES ($1, $2) RETURNING id;\n",[5204,7360,7361],{"__ignoreMap":5384},[5388,7362,7363,7366,7369,7372,7375,7378,7381,7383],{"class":5390,"line":5391},[5388,7364,7365],{"class":6096},"INSERT INTO",[5388,7367,7368],{"class":5946}," users (email, password_hash) ",[5388,7370,7371],{"class":6096},"VALUES",[5388,7373,7374],{"class":5946}," ($",[5388,7376,7377],{"class":6853},"1",[5388,7379,7380],{"class":5946},", $",[5388,7382,6940],{"class":6853},[5388,7384,7385],{"class":5946},") RETURNING id;\n",[5615,7387,7389],{"id":7388},"додавання-даних-insert-з-поверненням-id","Додавання даних (INSERT) з поверненням ID",[5266,7391,7392],{},"Розглянемо функцію, яка створює нового користувача та повертає згенерований ID:",[5379,7394,7396],{"className":6376,"code":7395,"language":6232,"meta":5384,"style":5384},"package repository\n\nimport (\n    \"context\"\n    \"database\u002Fsql\"\n    \"fmt\"\n)\n\ntype User struct {\n    ID           int\n    Email        string\n    PasswordHash string\n    FullName     string\n}\n\ntype UserRepository struct {\n    db *sql.DB\n}\n\nfunc NewUserRepository(db *sql.DB) *UserRepository {\n    return &UserRepository{db: db}\n}\n\nfunc (r *UserRepository) Create(ctx context.Context, user *User) error {\n    query := `\n        INSERT INTO users (email, password_hash, full_name)\n        VALUES ($1, $2, $3)\n        RETURNING id\n    `\n    \n    \u002F\u002F QueryRow виконує запит та очікує рівно один рядок результату\n    err := r.db.QueryRowContext(ctx, query,\n        user.Email,\n        user.PasswordHash,\n        user.FullName,\n    ).Scan(&user.ID)\n    \n    if err != nil {\n        return fmt.Errorf(\"помилка створення користувача: %w\", err)\n    }\n    \n    return nil\n}\n",[5204,7397,7398,7405,7409,7415,7420,7424,7428,7432,7436,7449,7457,7465,7473,7481,7485,7489,7500,7513,7517,7521,7548,7568,7572,7576,7624,7632,7637,7642,7647,7652,7657,7663,7694,7707,7719,7731,7752,7757,7770,7796,7801,7806,7813],{"__ignoreMap":5384},[5388,7399,7400,7402],{"class":5390,"line":5391},[5388,7401,6422],{"class":6096},[5388,7403,7404],{"class":6425}," repository\n",[5388,7406,7407],{"class":5390,"line":5397},[5388,7408,5413],{"emptyLinePlaceholder":5412},[5388,7410,7411,7413],{"class":5390,"line":5403},[5388,7412,6436],{"class":6435},[5388,7414,6439],{"class":5946},[5388,7416,7417],{"class":5390,"line":5409},[5388,7418,7419],{"class":6038},"    \"context\"\n",[5388,7421,7422],{"class":5390,"line":5416},[5388,7423,6444],{"class":6038},[5388,7425,7426],{"class":5390,"line":5422},[5388,7427,6449],{"class":6038},[5388,7429,7430],{"class":5390,"line":5428},[5388,7431,6405],{"class":5946},[5388,7433,7434],{"class":5390,"line":5434},[5388,7435,5413],{"emptyLinePlaceholder":5412},[5388,7437,7438,7441,7444,7447],{"class":5390,"line":5439},[5388,7439,7440],{"class":6096},"type",[5388,7442,7443],{"class":6425}," User",[5388,7445,7446],{"class":6096}," struct",[5388,7448,6561],{"class":5946},[5388,7450,7451,7454],{"class":5390,"line":5445},[5388,7452,7453],{"class":6384},"    ID",[5388,7455,7456],{"class":6425},"           int\n",[5388,7458,7459,7462],{"class":5390,"line":5451},[5388,7460,7461],{"class":6384},"    Email",[5388,7463,7464],{"class":6425},"        string\n",[5388,7466,7467,7470],{"class":5390,"line":5456},[5388,7468,7469],{"class":6384},"    PasswordHash",[5388,7471,7472],{"class":6425}," string\n",[5388,7474,7475,7478],{"class":5390,"line":5462},[5388,7476,7477],{"class":6384},"    FullName",[5388,7479,7480],{"class":6425},"     string\n",[5388,7482,7483],{"class":5390,"line":5468},[5388,7484,5711],{"class":5946},[5388,7486,7487],{"class":5390,"line":5474},[5388,7488,5413],{"emptyLinePlaceholder":5412},[5388,7490,7491,7493,7496,7498],{"class":5390,"line":5480},[5388,7492,7440],{"class":6096},[5388,7494,7495],{"class":6425}," UserRepository",[5388,7497,7446],{"class":6096},[5388,7499,6561],{"class":5946},[5388,7501,7502,7504,7506,7508,7510],{"class":5390,"line":5486},[5388,7503,6518],{"class":6384},[5388,7505,7036],{"class":5946},[5388,7507,6528],{"class":6425},[5388,7509,5555],{"class":5946},[5388,7511,7512],{"class":6425},"DB\n",[5388,7514,7515],{"class":5390,"line":5491},[5388,7516,5711],{"class":5946},[5388,7518,7519],{"class":5390,"line":5497},[5388,7520,5413],{"emptyLinePlaceholder":5412},[5388,7522,7523,7525,7528,7530,7532,7534,7536,7538,7540,7543,7546],{"class":5390,"line":5502},[5388,7524,6483],{"class":6096},[5388,7526,7527],{"class":6086}," NewUserRepository",[5388,7529,6399],{"class":5946},[5388,7531,6629],{"class":6384},[5388,7533,7036],{"class":5946},[5388,7535,6528],{"class":6425},[5388,7537,5555],{"class":5946},[5388,7539,7043],{"class":6425},[5388,7541,7542],{"class":5946},") *",[5388,7544,7545],{"class":6425},"UserRepository",[5388,7547,6561],{"class":5946},[5388,7549,7550,7552,7555,7557,7560,7562,7564,7566],{"class":5390,"line":5508},[5388,7551,7198],{"class":6435},[5388,7553,7554],{"class":5946}," &",[5388,7556,7545],{"class":6425},[5388,7558,7559],{"class":5946},"{",[5388,7561,6629],{"class":6384},[5388,7563,5947],{"class":5946},[5388,7565,6629],{"class":6384},[5388,7567,5711],{"class":5946},[5388,7569,7570],{"class":5390,"line":5513},[5388,7571,5711],{"class":5946},[5388,7573,7574],{"class":5390,"line":5518},[5388,7575,5413],{"emptyLinePlaceholder":5412},[5388,7577,7578,7580,7582,7585,7588,7590,7592,7595,7597,7600,7603,7605,7608,7610,7613,7615,7618,7620,7622],{"class":5390,"line":5524},[5388,7579,6483],{"class":6096},[5388,7581,5306],{"class":5946},[5388,7583,7584],{"class":6384},"r ",[5388,7586,7587],{"class":5946},"*",[5388,7589,7545],{"class":6425},[5388,7591,7046],{"class":5946},[5388,7593,7594],{"class":6086},"Create",[5388,7596,6399],{"class":5946},[5388,7598,7599],{"class":6384},"ctx",[5388,7601,7602],{"class":6425}," context",[5388,7604,5555],{"class":5946},[5388,7606,7607],{"class":6425},"Context",[5388,7609,5603],{"class":5946},[5388,7611,7612],{"class":6384},"user",[5388,7614,7036],{"class":5946},[5388,7616,7617],{"class":6425},"User",[5388,7619,7046],{"class":5946},[5388,7621,7049],{"class":6425},[5388,7623,6561],{"class":5946},[5388,7625,7626,7628,7630],{"class":5390,"line":5530},[5388,7627,7056],{"class":6384},[5388,7629,6388],{"class":5946},[5388,7631,7061],{"class":6038},[5388,7633,7634],{"class":5390,"line":5535},[5388,7635,7636],{"class":6038},"        INSERT INTO users (email, password_hash, full_name)\n",[5388,7638,7639],{"class":5390,"line":5803},[5388,7640,7641],{"class":6038},"        VALUES ($1, $2, $3)\n",[5388,7643,7644],{"class":5390,"line":5808},[5388,7645,7646],{"class":6038},"        RETURNING id\n",[5388,7648,7650],{"class":5390,"line":7649},29,[5388,7651,7101],{"class":6038},[5388,7653,7655],{"class":5390,"line":7654},30,[5388,7656,6459],{"class":5946},[5388,7658,7660],{"class":5390,"line":7659},31,[5388,7661,7662],{"class":5936},"    \u002F\u002F QueryRow виконує запит та очікує рівно один рядок результату\n",[5388,7664,7666,7669,7671,7674,7676,7678,7680,7683,7685,7687,7689,7691],{"class":5390,"line":7665},32,[5388,7667,7668],{"class":6384},"    err",[5388,7670,6388],{"class":5946},[5388,7672,7673],{"class":6384},"r",[5388,7675,5555],{"class":5946},[5388,7677,6629],{"class":6384},[5388,7679,5555],{"class":5946},[5388,7681,7682],{"class":6086},"QueryRowContext",[5388,7684,6399],{"class":5946},[5388,7686,7599],{"class":6384},[5388,7688,5603],{"class":5946},[5388,7690,7127],{"class":6384},[5388,7692,7693],{"class":5946},",\n",[5388,7695,7697,7700,7702,7705],{"class":5390,"line":7696},33,[5388,7698,7699],{"class":6384},"        user",[5388,7701,5555],{"class":5946},[5388,7703,7704],{"class":6384},"Email",[5388,7706,7693],{"class":5946},[5388,7708,7710,7712,7714,7717],{"class":5390,"line":7709},34,[5388,7711,7699],{"class":6384},[5388,7713,5555],{"class":5946},[5388,7715,7716],{"class":6384},"PasswordHash",[5388,7718,7693],{"class":5946},[5388,7720,7722,7724,7726,7729],{"class":5390,"line":7721},35,[5388,7723,7699],{"class":6384},[5388,7725,5555],{"class":5946},[5388,7727,7728],{"class":6384},"FullName",[5388,7730,7693],{"class":5946},[5388,7732,7734,7737,7740,7743,7745,7747,7750],{"class":5390,"line":7733},36,[5388,7735,7736],{"class":5946},"    ).",[5388,7738,7739],{"class":6086},"Scan",[5388,7741,7742],{"class":5946},"(&",[5388,7744,7612],{"class":6384},[5388,7746,5555],{"class":5946},[5388,7748,7749],{"class":6384},"ID",[5388,7751,6405],{"class":5946},[5388,7753,7755],{"class":5390,"line":7754},37,[5388,7756,6459],{"class":5946},[5388,7758,7760,7762,7764,7766,7768],{"class":5390,"line":7759},38,[5388,7761,6549],{"class":6435},[5388,7763,6552],{"class":6384},[5388,7765,6555],{"class":5946},[5388,7767,6558],{"class":6096},[5388,7769,6561],{"class":5946},[5388,7771,7773,7775,7777,7779,7781,7783,7786,7788,7790,7792,7794],{"class":5390,"line":7772},39,[5388,7774,7146],{"class":6435},[5388,7776,7149],{"class":6384},[5388,7778,5555],{"class":5946},[5388,7780,7154],{"class":6086},[5388,7782,6399],{"class":5946},[5388,7784,7785],{"class":6038},"\"помилка створення користувача: ",[5388,7787,7162],{"class":6384},[5388,7789,6582],{"class":6038},[5388,7791,5603],{"class":5946},[5388,7793,6523],{"class":6384},[5388,7795,6405],{"class":5946},[5388,7797,7799],{"class":5390,"line":7798},40,[5388,7800,6593],{"class":5946},[5388,7802,7804],{"class":5390,"line":7803},41,[5388,7805,6459],{"class":5946},[5388,7807,7809,7811],{"class":5390,"line":7808},42,[5388,7810,7198],{"class":6435},[5388,7812,7201],{"class":6096},[5388,7814,7816],{"class":5390,"line":7815},43,[5388,7817,5711],{"class":5946},[5266,7819,7820],{},[5229,7821,7822],{},"Розбір коду:",[5275,7824,7825,7846,7863,7880],{},[5197,7826,7827,7839,7841,7842,7845],{},[5229,7828,7829,7830,5603,7833,5603,7836,6786],{},"Плейсхолдери ",[5204,7831,7832],{},"$1",[5204,7834,7835],{},"$2",[5204,7837,7838],{},"$3",[6727,7840],{},"\nPostgreSQL використовує позиційні параметри у форматі ",[5204,7843,7844],{},"$N",". Це захищає від SQL-ін'єкцій — значення передаються окремо від тексту запиту та автоматично екрануються драйвером.",[5197,7847,7848,7853,7855,7856,7859,7860,6778],{},[5229,7849,7850,6786],{},[5204,7851,7852],{},"QueryRowContext(ctx, query, args...)",[6727,7854],{},"\nВиконує запит, який повертає ",[5229,7857,7858],{},"рівно один рядок",". Якщо результат порожній або містить більше одного рядка, метод ",[5204,7861,7862],{},"Scan()",[5197,7864,7865,7870,7872,7873,7876,7877,5555],{},[5229,7866,7867,6786],{},[5204,7868,7869],{},"Scan(&user.ID)",[6727,7871],{},"\nЗчитує значення з рядка результату у змінну. Оператор ",[5204,7874,7875],{},"RETURNING id"," повертає згенерований первинний ключ, який присвоюється полю ",[5204,7878,7879],{},"user.ID",[5197,7881,7882,7887,7889,7890,7893],{},[5229,7883,7884,7886],{},[5204,7885,7607],{}," як перший параметр:",[6727,7888],{},"\nПередача ",[5204,7891,7892],{},"context.Context"," дозволяє контролювати таймаути та скасування операцій. Якщо HTTP-запит скасовано, контекст автоматично завершить запит до бази.",[5580,7895,7896,7901,7945,7955,7958],{},[5266,7897,7898],{},[5229,7899,7900],{},"Ніколи не використовуйте конкатенацію рядків для побудови SQL-запитів:",[5379,7902,7904],{"className":6376,"code":7903,"language":6232,"meta":5384,"style":5384},"\u002F\u002F ❌ НЕБЕЗПЕЧНО! Вразливо до SQL-ін'єкції\nquery := \"INSERT INTO users (email) VALUES ('\" + email + \"')\"\ndb.Exec(query)\n",[5204,7905,7906,7911,7931],{"__ignoreMap":5384},[5388,7907,7908],{"class":5390,"line":5391},[5388,7909,7910],{"class":5936},"\u002F\u002F ❌ НЕБЕЗПЕЧНО! Вразливо до SQL-ін'єкції\n",[5388,7912,7913,7915,7917,7920,7923,7926,7928],{"class":5390,"line":5397},[5388,7914,7127],{"class":6384},[5388,7916,6388],{"class":5946},[5388,7918,7919],{"class":6038},"\"INSERT INTO users (email) VALUES ('\"",[5388,7921,7922],{"class":5946}," + ",[5388,7924,7925],{"class":6384},"email",[5388,7927,7922],{"class":5946},[5388,7929,7930],{"class":6038},"\"')\"\n",[5388,7932,7933,7935,7937,7939,7941,7943],{"class":5390,"line":5403},[5388,7934,6629],{"class":6384},[5388,7936,5555],{"class":5946},[5388,7938,7122],{"class":6086},[5388,7940,6399],{"class":5946},[5388,7942,7127],{"class":6384},[5388,7944,6405],{"class":5946},[5266,7946,7947,7948,7950,7951,7954],{},"Якщо ",[5204,7949,7925],{}," містить ",[5204,7952,7953],{},"'; DROP TABLE users; --",", виконається команда видалення таблиці.",[5266,7956,7957],{},"Завжди використовуйте параметризовані запити:",[5379,7959,7961],{"className":6376,"code":7960,"language":6232,"meta":5384,"style":5384},"\u002F\u002F ✅ БЕЗПЕЧНО\ndb.Exec(\"INSERT INTO users (email) VALUES ($1)\", email)\n",[5204,7962,7963,7968],{"__ignoreMap":5384},[5388,7964,7965],{"class":5390,"line":5391},[5388,7966,7967],{"class":5936},"\u002F\u002F ✅ БЕЗПЕЧНО\n",[5388,7969,7970,7972,7974,7976,7978,7981,7983,7985],{"class":5390,"line":5397},[5388,7971,6629],{"class":6384},[5388,7973,5555],{"class":5946},[5388,7975,7122],{"class":6086},[5388,7977,6399],{"class":5946},[5388,7979,7980],{"class":6038},"\"INSERT INTO users (email) VALUES ($1)\"",[5388,7982,5603],{"class":5946},[5388,7984,7925],{"class":6384},[5388,7986,6405],{"class":5946},[5615,7988,7990],{"id":7989},"читання-даних-select-один-рядок","Читання даних (SELECT) — один рядок",[5266,7992,7993,7994,6786],{},"Для отримання одного користувача за ID використовуємо ",[5204,7995,7682],{},[5379,7997,7999],{"className":6376,"code":7998,"language":6232,"meta":5384,"style":5384},"func (r *UserRepository) GetByID(ctx context.Context, id int) (*User, error) {\n    query := `\n        SELECT id, email, password_hash, full_name\n        FROM users\n        WHERE id = $1\n    `\n    \n    user := &User{}\n    err := r.db.QueryRowContext(ctx, query, id).Scan(\n        &user.ID,\n        &user.Email,\n        &user.PasswordHash,\n        &user.FullName,\n    )\n    \n    if err == sql.ErrNoRows {\n        return nil, fmt.Errorf(\"користувача з ID %d не знайдено\", id)\n    }\n    if err != nil {\n        return nil, fmt.Errorf(\"помилка читання користувача: %w\", err)\n    }\n    \n    return user, nil\n}\n",[5204,8000,8001,8048,8056,8061,8066,8071,8075,8079,8092,8127,8140,8152,8164,8176,8181,8185,8203,8236,8240,8252,8281,8285,8289,8301],{"__ignoreMap":5384},[5388,8002,8003,8005,8007,8009,8011,8013,8015,8018,8020,8022,8024,8026,8028,8030,8033,8036,8039,8041,8043,8045],{"class":5390,"line":5391},[5388,8004,6483],{"class":6096},[5388,8006,5306],{"class":5946},[5388,8008,7584],{"class":6384},[5388,8010,7587],{"class":5946},[5388,8012,7545],{"class":6425},[5388,8014,7046],{"class":5946},[5388,8016,8017],{"class":6086},"GetByID",[5388,8019,6399],{"class":5946},[5388,8021,7599],{"class":6384},[5388,8023,7602],{"class":6425},[5388,8025,5555],{"class":5946},[5388,8027,7607],{"class":6425},[5388,8029,5603],{"class":5946},[5388,8031,8032],{"class":6384},"id",[5388,8034,8035],{"class":6425}," int",[5388,8037,8038],{"class":5946},") (*",[5388,8040,7617],{"class":6425},[5388,8042,5603],{"class":5946},[5388,8044,7049],{"class":6425},[5388,8046,8047],{"class":5946},") {\n",[5388,8049,8050,8052,8054],{"class":5390,"line":5397},[5388,8051,7056],{"class":6384},[5388,8053,6388],{"class":5946},[5388,8055,7061],{"class":6038},[5388,8057,8058],{"class":5390,"line":5403},[5388,8059,8060],{"class":6038},"        SELECT id, email, password_hash, full_name\n",[5388,8062,8063],{"class":5390,"line":5409},[5388,8064,8065],{"class":6038},"        FROM users\n",[5388,8067,8068],{"class":5390,"line":5416},[5388,8069,8070],{"class":6038},"        WHERE id = $1\n",[5388,8072,8073],{"class":5390,"line":5422},[5388,8074,7101],{"class":6038},[5388,8076,8077],{"class":5390,"line":5428},[5388,8078,6459],{"class":5946},[5388,8080,8081,8084,8087,8089],{"class":5390,"line":5434},[5388,8082,8083],{"class":6384},"    user",[5388,8085,8086],{"class":5946}," := &",[5388,8088,7617],{"class":6425},[5388,8090,8091],{"class":5946},"{}\n",[5388,8093,8094,8096,8098,8100,8102,8104,8106,8108,8110,8112,8114,8116,8118,8120,8122,8124],{"class":5390,"line":5439},[5388,8095,7668],{"class":6384},[5388,8097,6388],{"class":5946},[5388,8099,7673],{"class":6384},[5388,8101,5555],{"class":5946},[5388,8103,6629],{"class":6384},[5388,8105,5555],{"class":5946},[5388,8107,7682],{"class":6086},[5388,8109,6399],{"class":5946},[5388,8111,7599],{"class":6384},[5388,8113,5603],{"class":5946},[5388,8115,7127],{"class":6384},[5388,8117,5603],{"class":5946},[5388,8119,8032],{"class":6384},[5388,8121,5827],{"class":5946},[5388,8123,7739],{"class":6086},[5388,8125,8126],{"class":5946},"(\n",[5388,8128,8129,8132,8134,8136,8138],{"class":5390,"line":5445},[5388,8130,8131],{"class":5946},"        &",[5388,8133,7612],{"class":6384},[5388,8135,5555],{"class":5946},[5388,8137,7749],{"class":6384},[5388,8139,7693],{"class":5946},[5388,8141,8142,8144,8146,8148,8150],{"class":5390,"line":5451},[5388,8143,8131],{"class":5946},[5388,8145,7612],{"class":6384},[5388,8147,5555],{"class":5946},[5388,8149,7704],{"class":6384},[5388,8151,7693],{"class":5946},[5388,8153,8154,8156,8158,8160,8162],{"class":5390,"line":5456},[5388,8155,8131],{"class":5946},[5388,8157,7612],{"class":6384},[5388,8159,5555],{"class":5946},[5388,8161,7716],{"class":6384},[5388,8163,7693],{"class":5946},[5388,8165,8166,8168,8170,8172,8174],{"class":5390,"line":5462},[5388,8167,8131],{"class":5946},[5388,8169,7612],{"class":6384},[5388,8171,5555],{"class":5946},[5388,8173,7728],{"class":6384},[5388,8175,7693],{"class":5946},[5388,8177,8178],{"class":5390,"line":5468},[5388,8179,8180],{"class":5946},"    )\n",[5388,8182,8183],{"class":5390,"line":5474},[5388,8184,6459],{"class":5946},[5388,8186,8187,8189,8191,8194,8196,8198,8201],{"class":5390,"line":5480},[5388,8188,6549],{"class":6435},[5388,8190,6552],{"class":6384},[5388,8192,8193],{"class":5946}," == ",[5388,8195,6528],{"class":6384},[5388,8197,5555],{"class":5946},[5388,8199,8200],{"class":6384},"ErrNoRows",[5388,8202,6561],{"class":5946},[5388,8204,8205,8207,8210,8212,8215,8217,8219,8221,8224,8227,8230,8232,8234],{"class":5390,"line":5486},[5388,8206,7146],{"class":6435},[5388,8208,8209],{"class":6096}," nil",[5388,8211,5603],{"class":5946},[5388,8213,8214],{"class":6384},"fmt",[5388,8216,5555],{"class":5946},[5388,8218,7154],{"class":6086},[5388,8220,6399],{"class":5946},[5388,8222,8223],{"class":6038},"\"користувача з ID ",[5388,8225,8226],{"class":6384},"%d",[5388,8228,8229],{"class":6038}," не знайдено\"",[5388,8231,5603],{"class":5946},[5388,8233,8032],{"class":6384},[5388,8235,6405],{"class":5946},[5388,8237,8238],{"class":5390,"line":5491},[5388,8239,6593],{"class":5946},[5388,8241,8242,8244,8246,8248,8250],{"class":5390,"line":5497},[5388,8243,6549],{"class":6435},[5388,8245,6552],{"class":6384},[5388,8247,6555],{"class":5946},[5388,8249,6558],{"class":6096},[5388,8251,6561],{"class":5946},[5388,8253,8254,8256,8258,8260,8262,8264,8266,8268,8271,8273,8275,8277,8279],{"class":5390,"line":5502},[5388,8255,7146],{"class":6435},[5388,8257,8209],{"class":6096},[5388,8259,5603],{"class":5946},[5388,8261,8214],{"class":6384},[5388,8263,5555],{"class":5946},[5388,8265,7154],{"class":6086},[5388,8267,6399],{"class":5946},[5388,8269,8270],{"class":6038},"\"помилка читання користувача: ",[5388,8272,7162],{"class":6384},[5388,8274,6582],{"class":6038},[5388,8276,5603],{"class":5946},[5388,8278,6523],{"class":6384},[5388,8280,6405],{"class":5946},[5388,8282,8283],{"class":5390,"line":5508},[5388,8284,6593],{"class":5946},[5388,8286,8287],{"class":5390,"line":5513},[5388,8288,6459],{"class":5946},[5388,8290,8291,8293,8296,8298],{"class":5390,"line":5518},[5388,8292,7198],{"class":6435},[5388,8294,8295],{"class":6384}," user",[5388,8297,5603],{"class":5946},[5388,8299,8300],{"class":6096},"nil\n",[5388,8302,8303],{"class":5390,"line":5524},[5388,8304,5711],{"class":5946},[5266,8306,8307],{},[5229,8308,8309],{},"Важливо:",[5194,8311,8312,8320],{},[5197,8313,8314,8319],{},[5229,8315,8316],{},[5204,8317,8318],{},"sql.ErrNoRows"," — спеціальна помилка, яка сигналізує, що запит не повернув жодного рядка. Це нормальна ситуація (наприклад, користувач не існує), а не критична помилка.",[5197,8321,8322,8323,8325,8326,5555],{},"Порядок аргументів у ",[5204,8324,7862],{}," має точно відповідати порядку колонок у ",[5204,8327,8328],{},"SELECT",[5615,8330,8332],{"id":8331},"читання-даних-select-кілька-рядків","Читання даних (SELECT) — кілька рядків",[5266,8334,8335,8336,8339,8340,6786],{},"Для вибірки списку користувачів використовуємо ",[5204,8337,8338],{},"QueryContext",", який повертає курсор ",[5204,8341,8342],{},"*sql.Rows",[5379,8344,8346],{"className":6376,"code":8345,"language":6232,"meta":5384,"style":5384},"func (r *UserRepository) GetAll(ctx context.Context) ([]*User, error) {\n    query := `SELECT id, email, password_hash, full_name FROM users ORDER BY id`\n    \n    rows, err := r.db.QueryContext(ctx, query)\n    if err != nil {\n        return nil, fmt.Errorf(\"помилка виконання запиту: %w\", err)\n    }\n    defer rows.Close() \u002F\u002F Обов'язково закрити курсор!\n    \n    var users []*User\n    for rows.Next() {\n        user := &User{}\n        if err := rows.Scan(&user.ID, &user.Email, &user.PasswordHash, &user.FullName); err != nil {\n            return nil, fmt.Errorf(\"помилка сканування рядка: %w\", err)\n        }\n        users = append(users, user)\n    }\n    \n    \u002F\u002F Перевірка помилок, які могли виникнути під час ітерації\n    if err := rows.Err(); err != nil {\n        return nil, fmt.Errorf(\"помилка ітерації рядків: %w\", err)\n    }\n    \n    return users, nil\n}\n",[5204,8347,8348,8386,8395,8399,8430,8442,8471,8475,8491,8495,8509,8523,8533,8593,8623,8628,8650,8654,8658,8663,8688,8717,8721,8725,8735],{"__ignoreMap":5384},[5388,8349,8350,8352,8354,8356,8358,8360,8362,8365,8367,8369,8371,8373,8375,8378,8380,8382,8384],{"class":5390,"line":5391},[5388,8351,6483],{"class":6096},[5388,8353,5306],{"class":5946},[5388,8355,7584],{"class":6384},[5388,8357,7587],{"class":5946},[5388,8359,7545],{"class":6425},[5388,8361,7046],{"class":5946},[5388,8363,8364],{"class":6086},"GetAll",[5388,8366,6399],{"class":5946},[5388,8368,7599],{"class":6384},[5388,8370,7602],{"class":6425},[5388,8372,5555],{"class":5946},[5388,8374,7607],{"class":6425},[5388,8376,8377],{"class":5946},") ([]*",[5388,8379,7617],{"class":6425},[5388,8381,5603],{"class":5946},[5388,8383,7049],{"class":6425},[5388,8385,8047],{"class":5946},[5388,8387,8388,8390,8392],{"class":5390,"line":5397},[5388,8389,7056],{"class":6384},[5388,8391,6388],{"class":5946},[5388,8393,8394],{"class":6038},"`SELECT id, email, password_hash, full_name FROM users ORDER BY id`\n",[5388,8396,8397],{"class":5390,"line":5403},[5388,8398,6459],{"class":5946},[5388,8400,8401,8404,8406,8408,8410,8412,8414,8416,8418,8420,8422,8424,8426,8428],{"class":5390,"line":5409},[5388,8402,8403],{"class":6384},"    rows",[5388,8405,5603],{"class":5946},[5388,8407,6523],{"class":6384},[5388,8409,6388],{"class":5946},[5388,8411,7673],{"class":6384},[5388,8413,5555],{"class":5946},[5388,8415,6629],{"class":6384},[5388,8417,5555],{"class":5946},[5388,8419,8338],{"class":6086},[5388,8421,6399],{"class":5946},[5388,8423,7599],{"class":6384},[5388,8425,5603],{"class":5946},[5388,8427,7127],{"class":6384},[5388,8429,6405],{"class":5946},[5388,8431,8432,8434,8436,8438,8440],{"class":5390,"line":5416},[5388,8433,6549],{"class":6435},[5388,8435,6552],{"class":6384},[5388,8437,6555],{"class":5946},[5388,8439,6558],{"class":6096},[5388,8441,6561],{"class":5946},[5388,8443,8444,8446,8448,8450,8452,8454,8456,8458,8461,8463,8465,8467,8469],{"class":5390,"line":5422},[5388,8445,7146],{"class":6435},[5388,8447,8209],{"class":6096},[5388,8449,5603],{"class":5946},[5388,8451,8214],{"class":6384},[5388,8453,5555],{"class":5946},[5388,8455,7154],{"class":6086},[5388,8457,6399],{"class":5946},[5388,8459,8460],{"class":6038},"\"помилка виконання запиту: ",[5388,8462,7162],{"class":6384},[5388,8464,6582],{"class":6038},[5388,8466,5603],{"class":5946},[5388,8468,6523],{"class":6384},[5388,8470,6405],{"class":5946},[5388,8472,8473],{"class":5390,"line":5428},[5388,8474,6593],{"class":5946},[5388,8476,8477,8479,8482,8484,8486,8488],{"class":5390,"line":5434},[5388,8478,6598],{"class":6435},[5388,8480,8481],{"class":6384}," rows",[5388,8483,5555],{"class":5946},[5388,8485,6606],{"class":6086},[5388,8487,7314],{"class":5946},[5388,8489,8490],{"class":5936},"\u002F\u002F Обов'язково закрити курсор!\n",[5388,8492,8493],{"class":5390,"line":5439},[5388,8494,6459],{"class":5946},[5388,8496,8497,8500,8503,8506],{"class":5390,"line":5445},[5388,8498,8499],{"class":6096},"    var",[5388,8501,8502],{"class":6384}," users",[5388,8504,8505],{"class":5946}," []*",[5388,8507,8508],{"class":6425},"User\n",[5388,8510,8511,8514,8516,8518,8521],{"class":5390,"line":5451},[5388,8512,8513],{"class":6435},"    for",[5388,8515,8481],{"class":6384},[5388,8517,5555],{"class":5946},[5388,8519,8520],{"class":6086},"Next",[5388,8522,6489],{"class":5946},[5388,8524,8525,8527,8529,8531],{"class":5390,"line":5456},[5388,8526,7699],{"class":6384},[5388,8528,8086],{"class":5946},[5388,8530,7617],{"class":6425},[5388,8532,8091],{"class":5946},[5388,8534,8535,8538,8540,8542,8545,8547,8549,8551,8553,8555,8557,8560,8562,8564,8566,8568,8570,8572,8574,8576,8578,8580,8582,8585,8587,8589,8591],{"class":5390,"line":5462},[5388,8536,8537],{"class":6435},"        if",[5388,8539,6552],{"class":6384},[5388,8541,6388],{"class":5946},[5388,8543,8544],{"class":6384},"rows",[5388,8546,5555],{"class":5946},[5388,8548,7739],{"class":6086},[5388,8550,7742],{"class":5946},[5388,8552,7612],{"class":6384},[5388,8554,5555],{"class":5946},[5388,8556,7749],{"class":6384},[5388,8558,8559],{"class":5946},", &",[5388,8561,7612],{"class":6384},[5388,8563,5555],{"class":5946},[5388,8565,7704],{"class":6384},[5388,8567,8559],{"class":5946},[5388,8569,7612],{"class":6384},[5388,8571,5555],{"class":5946},[5388,8573,7716],{"class":6384},[5388,8575,8559],{"class":5946},[5388,8577,7612],{"class":6384},[5388,8579,5555],{"class":5946},[5388,8581,7728],{"class":6384},[5388,8583,8584],{"class":5946},"); ",[5388,8586,6523],{"class":6384},[5388,8588,6555],{"class":5946},[5388,8590,6558],{"class":6096},[5388,8592,6561],{"class":5946},[5388,8594,8595,8598,8600,8602,8604,8606,8608,8610,8613,8615,8617,8619,8621],{"class":5390,"line":5468},[5388,8596,8597],{"class":6435},"            return",[5388,8599,8209],{"class":6096},[5388,8601,5603],{"class":5946},[5388,8603,8214],{"class":6384},[5388,8605,5555],{"class":5946},[5388,8607,7154],{"class":6086},[5388,8609,6399],{"class":5946},[5388,8611,8612],{"class":6038},"\"помилка сканування рядка: ",[5388,8614,7162],{"class":6384},[5388,8616,6582],{"class":6038},[5388,8618,5603],{"class":5946},[5388,8620,6523],{"class":6384},[5388,8622,6405],{"class":5946},[5388,8624,8625],{"class":5390,"line":5474},[5388,8626,8627],{"class":5946},"        }\n",[5388,8629,8630,8633,8636,8639,8641,8644,8646,8648],{"class":5390,"line":5480},[5388,8631,8632],{"class":6384},"        users",[5388,8634,8635],{"class":5946}," = ",[5388,8637,8638],{"class":6086},"append",[5388,8640,6399],{"class":5946},[5388,8642,8643],{"class":6384},"users",[5388,8645,5603],{"class":5946},[5388,8647,7612],{"class":6384},[5388,8649,6405],{"class":5946},[5388,8651,8652],{"class":5390,"line":5486},[5388,8653,6593],{"class":5946},[5388,8655,8656],{"class":5390,"line":5491},[5388,8657,6459],{"class":5946},[5388,8659,8660],{"class":5390,"line":5497},[5388,8661,8662],{"class":5936},"    \u002F\u002F Перевірка помилок, які могли виникнути під час ітерації\n",[5388,8664,8665,8667,8669,8671,8673,8675,8678,8680,8682,8684,8686],{"class":5390,"line":5502},[5388,8666,6549],{"class":6435},[5388,8668,6552],{"class":6384},[5388,8670,6388],{"class":5946},[5388,8672,8544],{"class":6384},[5388,8674,5555],{"class":5946},[5388,8676,8677],{"class":6086},"Err",[5388,8679,6637],{"class":5946},[5388,8681,6523],{"class":6384},[5388,8683,6555],{"class":5946},[5388,8685,6558],{"class":6096},[5388,8687,6561],{"class":5946},[5388,8689,8690,8692,8694,8696,8698,8700,8702,8704,8707,8709,8711,8713,8715],{"class":5390,"line":5508},[5388,8691,7146],{"class":6435},[5388,8693,8209],{"class":6096},[5388,8695,5603],{"class":5946},[5388,8697,8214],{"class":6384},[5388,8699,5555],{"class":5946},[5388,8701,7154],{"class":6086},[5388,8703,6399],{"class":5946},[5388,8705,8706],{"class":6038},"\"помилка ітерації рядків: ",[5388,8708,7162],{"class":6384},[5388,8710,6582],{"class":6038},[5388,8712,5603],{"class":5946},[5388,8714,6523],{"class":6384},[5388,8716,6405],{"class":5946},[5388,8718,8719],{"class":5390,"line":5513},[5388,8720,6593],{"class":5946},[5388,8722,8723],{"class":5390,"line":5518},[5388,8724,6459],{"class":5946},[5388,8726,8727,8729,8731,8733],{"class":5390,"line":5524},[5388,8728,7198],{"class":6435},[5388,8730,8502],{"class":6384},[5388,8732,5603],{"class":5946},[5388,8734,8300],{"class":6096},[5388,8736,8737],{"class":5390,"line":5530},[5388,8738,5711],{"class":5946},[5266,8740,8741],{},[5229,8742,8743],{},"Критичні моменти:",[5275,8745,8746,8766,8788],{},[5197,8747,8748,8753,8755,8756,8758,8759,8761,8762,8765],{},[5229,8749,8750,6786],{},[5204,8751,8752],{},"defer rows.Close()",[6727,8754],{},"\nКурсор ",[5204,8757,8342],{}," утримує з'єднання з бази. Якщо не закрити курсор, з'єднання залишиться зайнятим, і пул вичерпається. Завжди закривайте ",[5204,8760,8544],{}," через ",[5204,8763,8764],{},"defer"," відразу після отримання.",[5197,8767,8768,8774,8776,8777,8780,8781,8784,8785,8787],{},[5229,8769,8770,8771,6786],{},"Цикл ",[5204,8772,8773],{},"for rows.Next()",[6727,8775],{},"\nКурсор рухається по рядках результату. Метод ",[5204,8778,8779],{},"Next()"," повертає ",[5204,8782,8783],{},"true",", поки є рядки. Всередині циклу викликається ",[5204,8786,7862],{}," для зчитування поточного рядка.",[5197,8789,8790,8795,8797],{},[5229,8791,8792,6786],{},[5204,8793,8794],{},"rows.Err()",[6727,8796],{},"\nПісля завершення циклу потрібно перевірити, чи не виникла помилка під час ітерації (наприклад, обрив з'єднання).",[5841,8799,8800,8807],{},[5266,8801,8802],{},[5229,8803,8804,8805,6786],{},"Паттерн безпечної роботи з ",[5204,8806,5649],{},[5379,8808,8810],{"className":6376,"code":8809,"language":6232,"meta":5384,"style":5384},"rows, err := db.Query(query)\nif err != nil {\n    return err\n}\ndefer rows.Close()\n\nfor rows.Next() {\n    \u002F\u002F Scan та обробка рядків\n}\n\nreturn rows.Err() \u002F\u002F Перевірка помилок ітерації\n",[5204,8811,8812,8835,8847,8853,8857,8869,8873,8886,8891,8895,8899],{"__ignoreMap":5384},[5388,8813,8814,8816,8818,8820,8822,8824,8826,8829,8831,8833],{"class":5390,"line":5391},[5388,8815,8544],{"class":6384},[5388,8817,5603],{"class":5946},[5388,8819,6523],{"class":6384},[5388,8821,6388],{"class":5946},[5388,8823,6629],{"class":6384},[5388,8825,5555],{"class":5946},[5388,8827,8828],{"class":6086},"Query",[5388,8830,6399],{"class":5946},[5388,8832,7127],{"class":6384},[5388,8834,6405],{"class":5946},[5388,8836,8837,8839,8841,8843,8845],{"class":5390,"line":5397},[5388,8838,7270],{"class":6435},[5388,8840,6552],{"class":6384},[5388,8842,6555],{"class":5946},[5388,8844,6558],{"class":6096},[5388,8846,6561],{"class":5946},[5388,8848,8849,8851],{"class":5390,"line":5403},[5388,8850,7198],{"class":6435},[5388,8852,7285],{"class":6384},[5388,8854,8855],{"class":5390,"line":5409},[5388,8856,5711],{"class":5946},[5388,8858,8859,8861,8863,8865,8867],{"class":5390,"line":5416},[5388,8860,8764],{"class":6435},[5388,8862,8481],{"class":6384},[5388,8864,5555],{"class":5946},[5388,8866,6606],{"class":6086},[5388,8868,6609],{"class":5946},[5388,8870,8871],{"class":5390,"line":5422},[5388,8872,5413],{"emptyLinePlaceholder":5412},[5388,8874,8875,8878,8880,8882,8884],{"class":5390,"line":5428},[5388,8876,8877],{"class":6435},"for",[5388,8879,8481],{"class":6384},[5388,8881,5555],{"class":5946},[5388,8883,8520],{"class":6086},[5388,8885,6489],{"class":5946},[5388,8887,8888],{"class":5390,"line":5434},[5388,8889,8890],{"class":5936},"    \u002F\u002F Scan та обробка рядків\n",[5388,8892,8893],{"class":5390,"line":5439},[5388,8894,5711],{"class":5946},[5388,8896,8897],{"class":5390,"line":5445},[5388,8898,5413],{"emptyLinePlaceholder":5412},[5388,8900,8901,8904,8906,8908,8910,8912],{"class":5390,"line":5451},[5388,8902,8903],{"class":6435},"return",[5388,8905,8481],{"class":6384},[5388,8907,5555],{"class":5946},[5388,8909,8677],{"class":6086},[5388,8911,7314],{"class":5946},[5388,8913,8914],{"class":5936},"\u002F\u002F Перевірка помилок ітерації\n",[5615,8916,8918],{"id":8917},"оновлення-даних-update","Оновлення даних (UPDATE)",[5266,8920,8921,8922,6786],{},"Оновлення даних виконується через ",[5204,8923,8924],{},"ExecContext",[5379,8926,8928],{"className":6376,"code":8927,"language":6232,"meta":5384,"style":5384},"func (r *UserRepository) Update(ctx context.Context, user *User) error {\n    query := `\n        UPDATE users\n        SET email = $1, full_name = $2\n        WHERE id = $3\n    `\n    \n    result, err := r.db.ExecContext(ctx, query,\n        user.Email,\n        user.FullName,\n        user.ID,\n    )\n    if err != nil {\n        return fmt.Errorf(\"помилка оновлення користувача: %w\", err)\n    }\n    \n    rowsAffected, err := result.RowsAffected()\n    if err != nil {\n        return fmt.Errorf(\"помилка отримання кількості змінених рядків: %w\", err)\n    }\n    \n    if rowsAffected == 0 {\n        return fmt.Errorf(\"користувача з ID %d не знайдено\", user.ID)\n    }\n    \n    return nil\n}\n",[5204,8929,8930,8971,8979,8984,8989,8994,8998,9002,9033,9043,9053,9063,9067,9079,9104,9108,9112,9131,9143,9168,9172,9176,9190,9218,9222,9226,9232],{"__ignoreMap":5384},[5388,8931,8932,8934,8936,8938,8940,8942,8944,8947,8949,8951,8953,8955,8957,8959,8961,8963,8965,8967,8969],{"class":5390,"line":5391},[5388,8933,6483],{"class":6096},[5388,8935,5306],{"class":5946},[5388,8937,7584],{"class":6384},[5388,8939,7587],{"class":5946},[5388,8941,7545],{"class":6425},[5388,8943,7046],{"class":5946},[5388,8945,8946],{"class":6086},"Update",[5388,8948,6399],{"class":5946},[5388,8950,7599],{"class":6384},[5388,8952,7602],{"class":6425},[5388,8954,5555],{"class":5946},[5388,8956,7607],{"class":6425},[5388,8958,5603],{"class":5946},[5388,8960,7612],{"class":6384},[5388,8962,7036],{"class":5946},[5388,8964,7617],{"class":6425},[5388,8966,7046],{"class":5946},[5388,8968,7049],{"class":6425},[5388,8970,6561],{"class":5946},[5388,8972,8973,8975,8977],{"class":5390,"line":5397},[5388,8974,7056],{"class":6384},[5388,8976,6388],{"class":5946},[5388,8978,7061],{"class":6038},[5388,8980,8981],{"class":5390,"line":5403},[5388,8982,8983],{"class":6038},"        UPDATE users\n",[5388,8985,8986],{"class":5390,"line":5409},[5388,8987,8988],{"class":6038},"        SET email = $1, full_name = $2\n",[5388,8990,8991],{"class":5390,"line":5416},[5388,8992,8993],{"class":6038},"        WHERE id = $3\n",[5388,8995,8996],{"class":5390,"line":5422},[5388,8997,7101],{"class":6038},[5388,8999,9000],{"class":5390,"line":5428},[5388,9001,6459],{"class":5946},[5388,9003,9004,9007,9009,9011,9013,9015,9017,9019,9021,9023,9025,9027,9029,9031],{"class":5390,"line":5434},[5388,9005,9006],{"class":6384},"    result",[5388,9008,5603],{"class":5946},[5388,9010,6523],{"class":6384},[5388,9012,6388],{"class":5946},[5388,9014,7673],{"class":6384},[5388,9016,5555],{"class":5946},[5388,9018,6629],{"class":6384},[5388,9020,5555],{"class":5946},[5388,9022,8924],{"class":6086},[5388,9024,6399],{"class":5946},[5388,9026,7599],{"class":6384},[5388,9028,5603],{"class":5946},[5388,9030,7127],{"class":6384},[5388,9032,7693],{"class":5946},[5388,9034,9035,9037,9039,9041],{"class":5390,"line":5439},[5388,9036,7699],{"class":6384},[5388,9038,5555],{"class":5946},[5388,9040,7704],{"class":6384},[5388,9042,7693],{"class":5946},[5388,9044,9045,9047,9049,9051],{"class":5390,"line":5445},[5388,9046,7699],{"class":6384},[5388,9048,5555],{"class":5946},[5388,9050,7728],{"class":6384},[5388,9052,7693],{"class":5946},[5388,9054,9055,9057,9059,9061],{"class":5390,"line":5451},[5388,9056,7699],{"class":6384},[5388,9058,5555],{"class":5946},[5388,9060,7749],{"class":6384},[5388,9062,7693],{"class":5946},[5388,9064,9065],{"class":5390,"line":5456},[5388,9066,8180],{"class":5946},[5388,9068,9069,9071,9073,9075,9077],{"class":5390,"line":5462},[5388,9070,6549],{"class":6435},[5388,9072,6552],{"class":6384},[5388,9074,6555],{"class":5946},[5388,9076,6558],{"class":6096},[5388,9078,6561],{"class":5946},[5388,9080,9081,9083,9085,9087,9089,9091,9094,9096,9098,9100,9102],{"class":5390,"line":5468},[5388,9082,7146],{"class":6435},[5388,9084,7149],{"class":6384},[5388,9086,5555],{"class":5946},[5388,9088,7154],{"class":6086},[5388,9090,6399],{"class":5946},[5388,9092,9093],{"class":6038},"\"помилка оновлення користувача: ",[5388,9095,7162],{"class":6384},[5388,9097,6582],{"class":6038},[5388,9099,5603],{"class":5946},[5388,9101,6523],{"class":6384},[5388,9103,6405],{"class":5946},[5388,9105,9106],{"class":5390,"line":5474},[5388,9107,6593],{"class":5946},[5388,9109,9110],{"class":5390,"line":5480},[5388,9111,6459],{"class":5946},[5388,9113,9114,9117,9119,9121,9123,9125,9127,9129],{"class":5390,"line":5486},[5388,9115,9116],{"class":6384},"    rowsAffected",[5388,9118,5603],{"class":5946},[5388,9120,6523],{"class":6384},[5388,9122,6388],{"class":5946},[5388,9124,7246],{"class":6384},[5388,9126,5555],{"class":5946},[5388,9128,7335],{"class":6086},[5388,9130,6609],{"class":5946},[5388,9132,9133,9135,9137,9139,9141],{"class":5390,"line":5491},[5388,9134,6549],{"class":6435},[5388,9136,6552],{"class":6384},[5388,9138,6555],{"class":5946},[5388,9140,6558],{"class":6096},[5388,9142,6561],{"class":5946},[5388,9144,9145,9147,9149,9151,9153,9155,9158,9160,9162,9164,9166],{"class":5390,"line":5497},[5388,9146,7146],{"class":6435},[5388,9148,7149],{"class":6384},[5388,9150,5555],{"class":5946},[5388,9152,7154],{"class":6086},[5388,9154,6399],{"class":5946},[5388,9156,9157],{"class":6038},"\"помилка отримання кількості змінених рядків: ",[5388,9159,7162],{"class":6384},[5388,9161,6582],{"class":6038},[5388,9163,5603],{"class":5946},[5388,9165,6523],{"class":6384},[5388,9167,6405],{"class":5946},[5388,9169,9170],{"class":5390,"line":5502},[5388,9171,6593],{"class":5946},[5388,9173,9174],{"class":5390,"line":5508},[5388,9175,6459],{"class":5946},[5388,9177,9178,9180,9183,9185,9188],{"class":5390,"line":5513},[5388,9179,6549],{"class":6435},[5388,9181,9182],{"class":6384}," rowsAffected",[5388,9184,8193],{"class":5946},[5388,9186,9187],{"class":6853},"0",[5388,9189,6561],{"class":5946},[5388,9191,9192,9194,9196,9198,9200,9202,9204,9206,9208,9210,9212,9214,9216],{"class":5390,"line":5518},[5388,9193,7146],{"class":6435},[5388,9195,7149],{"class":6384},[5388,9197,5555],{"class":5946},[5388,9199,7154],{"class":6086},[5388,9201,6399],{"class":5946},[5388,9203,8223],{"class":6038},[5388,9205,8226],{"class":6384},[5388,9207,8229],{"class":6038},[5388,9209,5603],{"class":5946},[5388,9211,7612],{"class":6384},[5388,9213,5555],{"class":5946},[5388,9215,7749],{"class":6384},[5388,9217,6405],{"class":5946},[5388,9219,9220],{"class":5390,"line":5524},[5388,9221,6593],{"class":5946},[5388,9223,9224],{"class":5390,"line":5530},[5388,9225,6459],{"class":5946},[5388,9227,9228,9230],{"class":5390,"line":5535},[5388,9229,7198],{"class":6435},[5388,9231,7201],{"class":6096},[5388,9233,9234],{"class":5390,"line":5803},[5388,9235,5711],{"class":5946},[5266,9237,9238,9243,9245,9246,9248],{},[5229,9239,9240,9241,6786],{},"Перевірка ",[5204,9242,7322],{},[6727,9244],{},"\nЯкщо ",[5204,9247,7226],{}," не змінив жодного рядка, це означає, що запис з таким ID не існує. Це дозволяє відрізнити успішне оновлення від випадку відсутнього запису.",[5615,9250,9252],{"id":9251},"видалення-даних-delete","Видалення даних (DELETE)",[5266,9254,9255],{},"Видалення виконується аналогічно до оновлення:",[5379,9257,9259],{"className":6376,"code":9258,"language":6232,"meta":5384,"style":5384},"func (r *UserRepository) Delete(ctx context.Context, id int) error {\n    query := `DELETE FROM users WHERE id = $1`\n    \n    result, err := r.db.ExecContext(ctx, query, id)\n    if err != nil {\n        return fmt.Errorf(\"помилка видалення користувача: %w\", err)\n    }\n    \n    rowsAffected, err := result.RowsAffected()\n    if err != nil {\n        return fmt.Errorf(\"помилка отримання кількості змінених рядків: %w\", err)\n    }\n    \n    if rowsAffected == 0 {\n        return fmt.Errorf(\"користувача з ID %d не знайдено\", id)\n    }\n    \n    return nil\n}\n",[5204,9260,9261,9300,9309,9313,9347,9359,9384,9388,9392,9410,9422,9446,9450,9454,9466,9490,9494,9498,9504],{"__ignoreMap":5384},[5388,9262,9263,9265,9267,9269,9271,9273,9275,9278,9280,9282,9284,9286,9288,9290,9292,9294,9296,9298],{"class":5390,"line":5391},[5388,9264,6483],{"class":6096},[5388,9266,5306],{"class":5946},[5388,9268,7584],{"class":6384},[5388,9270,7587],{"class":5946},[5388,9272,7545],{"class":6425},[5388,9274,7046],{"class":5946},[5388,9276,9277],{"class":6086},"Delete",[5388,9279,6399],{"class":5946},[5388,9281,7599],{"class":6384},[5388,9283,7602],{"class":6425},[5388,9285,5555],{"class":5946},[5388,9287,7607],{"class":6425},[5388,9289,5603],{"class":5946},[5388,9291,8032],{"class":6384},[5388,9293,8035],{"class":6425},[5388,9295,7046],{"class":5946},[5388,9297,7049],{"class":6425},[5388,9299,6561],{"class":5946},[5388,9301,9302,9304,9306],{"class":5390,"line":5397},[5388,9303,7056],{"class":6384},[5388,9305,6388],{"class":5946},[5388,9307,9308],{"class":6038},"`DELETE FROM users WHERE id = $1`\n",[5388,9310,9311],{"class":5390,"line":5403},[5388,9312,6459],{"class":5946},[5388,9314,9315,9317,9319,9321,9323,9325,9327,9329,9331,9333,9335,9337,9339,9341,9343,9345],{"class":5390,"line":5409},[5388,9316,9006],{"class":6384},[5388,9318,5603],{"class":5946},[5388,9320,6523],{"class":6384},[5388,9322,6388],{"class":5946},[5388,9324,7673],{"class":6384},[5388,9326,5555],{"class":5946},[5388,9328,6629],{"class":6384},[5388,9330,5555],{"class":5946},[5388,9332,8924],{"class":6086},[5388,9334,6399],{"class":5946},[5388,9336,7599],{"class":6384},[5388,9338,5603],{"class":5946},[5388,9340,7127],{"class":6384},[5388,9342,5603],{"class":5946},[5388,9344,8032],{"class":6384},[5388,9346,6405],{"class":5946},[5388,9348,9349,9351,9353,9355,9357],{"class":5390,"line":5416},[5388,9350,6549],{"class":6435},[5388,9352,6552],{"class":6384},[5388,9354,6555],{"class":5946},[5388,9356,6558],{"class":6096},[5388,9358,6561],{"class":5946},[5388,9360,9361,9363,9365,9367,9369,9371,9374,9376,9378,9380,9382],{"class":5390,"line":5422},[5388,9362,7146],{"class":6435},[5388,9364,7149],{"class":6384},[5388,9366,5555],{"class":5946},[5388,9368,7154],{"class":6086},[5388,9370,6399],{"class":5946},[5388,9372,9373],{"class":6038},"\"помилка видалення користувача: ",[5388,9375,7162],{"class":6384},[5388,9377,6582],{"class":6038},[5388,9379,5603],{"class":5946},[5388,9381,6523],{"class":6384},[5388,9383,6405],{"class":5946},[5388,9385,9386],{"class":5390,"line":5428},[5388,9387,6593],{"class":5946},[5388,9389,9390],{"class":5390,"line":5434},[5388,9391,6459],{"class":5946},[5388,9393,9394,9396,9398,9400,9402,9404,9406,9408],{"class":5390,"line":5439},[5388,9395,9116],{"class":6384},[5388,9397,5603],{"class":5946},[5388,9399,6523],{"class":6384},[5388,9401,6388],{"class":5946},[5388,9403,7246],{"class":6384},[5388,9405,5555],{"class":5946},[5388,9407,7335],{"class":6086},[5388,9409,6609],{"class":5946},[5388,9411,9412,9414,9416,9418,9420],{"class":5390,"line":5445},[5388,9413,6549],{"class":6435},[5388,9415,6552],{"class":6384},[5388,9417,6555],{"class":5946},[5388,9419,6558],{"class":6096},[5388,9421,6561],{"class":5946},[5388,9423,9424,9426,9428,9430,9432,9434,9436,9438,9440,9442,9444],{"class":5390,"line":5451},[5388,9425,7146],{"class":6435},[5388,9427,7149],{"class":6384},[5388,9429,5555],{"class":5946},[5388,9431,7154],{"class":6086},[5388,9433,6399],{"class":5946},[5388,9435,9157],{"class":6038},[5388,9437,7162],{"class":6384},[5388,9439,6582],{"class":6038},[5388,9441,5603],{"class":5946},[5388,9443,6523],{"class":6384},[5388,9445,6405],{"class":5946},[5388,9447,9448],{"class":5390,"line":5456},[5388,9449,6593],{"class":5946},[5388,9451,9452],{"class":5390,"line":5462},[5388,9453,6459],{"class":5946},[5388,9455,9456,9458,9460,9462,9464],{"class":5390,"line":5468},[5388,9457,6549],{"class":6435},[5388,9459,9182],{"class":6384},[5388,9461,8193],{"class":5946},[5388,9463,9187],{"class":6853},[5388,9465,6561],{"class":5946},[5388,9467,9468,9470,9472,9474,9476,9478,9480,9482,9484,9486,9488],{"class":5390,"line":5474},[5388,9469,7146],{"class":6435},[5388,9471,7149],{"class":6384},[5388,9473,5555],{"class":5946},[5388,9475,7154],{"class":6086},[5388,9477,6399],{"class":5946},[5388,9479,8223],{"class":6038},[5388,9481,8226],{"class":6384},[5388,9483,8229],{"class":6038},[5388,9485,5603],{"class":5946},[5388,9487,8032],{"class":6384},[5388,9489,6405],{"class":5946},[5388,9491,9492],{"class":5390,"line":5480},[5388,9493,6593],{"class":5946},[5388,9495,9496],{"class":5390,"line":5486},[5388,9497,6459],{"class":5946},[5388,9499,9500,9502],{"class":5390,"line":5491},[5388,9501,7198],{"class":6435},[5388,9503,7201],{"class":6096},[5388,9505,9506],{"class":5390,"line":5497},[5388,9507,5711],{"class":5946},[9509,9510,9511,9560,9580],"accordion",{},[9512,9513,9516,9524,9554],"accordion-item",{"icon":9514,"label":9515},"i-lucide-help-circle","❓ Чому ми передаємо context.Context у кожен метод репозиторію?",[5266,9517,9518,5306,9521,9523],{},[5229,9519,9520],{},"Контекст",[5270,9522,7892],{},") — це стандартний механізм Go для керування життєвим циклом операцій. Він дозволяє:",[5275,9525,9526,9534,9542],{},[5197,9527,9528,9531,9533],{},[5229,9529,9530],{},"Встановлювати таймаути:",[6727,9532],{},"\nЯкщо запит до бази виконується занадто довго, контекст автоматично скасує його.",[5197,9535,9536,9539,9541],{},[5229,9537,9538],{},"Скасовувати операції:",[6727,9540],{},"\nЯкщо HTTP-клієнт розірвав з'єднання (закрив браузер), контекст сповістить про це базу даних, і запит буде перерваний.",[5197,9543,9544,9547,9549,9550,9553],{},[5229,9545,9546],{},"Передавати метадані:",[6727,9548],{},"\nКонтекст може містити ідентифікатор запиту (",[5270,9551,9552],{},"request ID","), що полегшує трейсинг у логах.",[5266,9555,9556,9559],{},[5229,9557,9558],{},"Правило:"," завжди передавайте контекст першим параметром у функції, що виконують введення\u002Fвиведення (мережа, база даних, файлова система).",[9512,9561,9563,9572],{"icon":9514,"label":9562},"❓ Що станеться, якщо не закрити sql.Rows?",[5266,9564,9565,9566,9568,9569,5555],{},"Незакритий курсор ",[5204,9567,8342],{}," утримує з'єднання з бази даних зайнятим. Якщо таких незакритих курсорів накопичиться багато, пул з'єднань вичерпається, і всі наступні запити блокуватимуться або завершуватимуться з помилкою ",[5204,9570,9571],{},"too many connections",[5266,9573,9574],{},[5229,9575,9576,9577,9579],{},"Завжди використовуйте ",[5204,9578,8752],{}," відразу після отримання курсору.",[9512,9581,9583,9598],{"icon":9514,"label":9582},"❓ Чи можна виконувати кілька запитів одночасно через один *sql.DB?",[5266,9584,9585,5306,9591,9594,9595,9597],{},[5229,9586,9587,9588,9590],{},"Так, об'єкт ",[5204,9589,6755],{}," є потокобезпечним",[5270,9592,9593],{},"thread-safe","). Кілька горутин можуть одночасно виконувати запити через один і той же ",[5204,9596,5631],{}," — пул з'єднань автоматично розподілить їх між доступними підключеннями.",[5266,9599,9600,9601,9603],{},"Ви створюєте один екземпляр ",[5204,9602,5631],{}," при старті застосунку та використовуєте його у всіх горутинах.",[5258,9605],{},[5261,9607,9609],{"id":9608},"спрощення-роботи-з-sql-бібліотека-sqlx","Спрощення роботи з SQL: бібліотека sqlx",[5266,9611,9612,9613,9615,9616,9618,9619,9621],{},"Хоча стандартний пакет ",[5204,9614,5206],{}," надає всі необхідні можливості, він вимагає багато шаблонного коду для сканування результатів у структури. ",[5229,9617,5873],{}," — це розширення ",[5204,9620,5206],{},", яке додає зручні методи для автоматичного відображення рядків БД на Go-структури.",[5615,9623,9625],{"id":9624},"встановлення-sqlx","Встановлення sqlx",[5919,9627,9628],{},[5922,9629,9630],{"label":6222},[5379,9631,9633],{"className":6077,"code":9632,"language":6079,"meta":5384,"style":5384},"go get github.com\u002Fjmoiron\u002Fsqlx\ngo get github.com\u002Fjackc\u002Fpgx\u002Fv5\u002Fstdlib\n",[5204,9634,9635,9644],{"__ignoreMap":5384},[5388,9636,9637,9639,9641],{"class":5390,"line":5391},[5388,9638,6232],{"class":6086},[5388,9640,6235],{"class":6038},[5388,9642,9643],{"class":6038}," github.com\u002Fjmoiron\u002Fsqlx\n",[5388,9645,9646,9648,9650],{"class":5390,"line":5397},[5388,9647,6232],{"class":6086},[5388,9649,6235],{"class":6038},[5388,9651,6247],{"class":6038},[5615,9653,9655],{"id":9654},"підключення-через-sqlx","Підключення через sqlx",[5379,9657,9659],{"className":6376,"code":9658,"language":6232,"meta":5384,"style":5384},"package main\n\nimport (\n    \"log\"\n    \n    \"github.com\u002Fjmoiron\u002Fsqlx\"\n    _ \"github.com\u002Fjackc\u002Fpgx\u002Fv5\u002Fstdlib\"\n)\n\nfunc main() {\n    dsn := \"postgres:\u002F\u002Fappuser:secretpass@localhost:5432\u002Fmyapp_db?sslmode=disable\"\n    \n    \u002F\u002F sqlx.Open повертає *sqlx.DB замість *sql.DB\n    db, err := sqlx.Open(\"pgx\", dsn)\n    if err != nil {\n        log.Fatalf(\"Помилка підключення: %v\", err)\n    }\n    defer db.Close()\n    \n    if err := db.Ping(); err != nil {\n        log.Fatalf(\"База недоступна: %v\", err)\n    }\n    \n    log.Println(\"✅ Підключення через sqlx успішне\")\n}\n",[5204,9660,9661,9667,9671,9677,9681,9685,9690,9696,9700,9704,9712,9720,9724,9729,9755,9767,9790,9794,9806,9810,9834,9857,9861,9865,9881],{"__ignoreMap":5384},[5388,9662,9663,9665],{"class":5390,"line":5391},[5388,9664,6422],{"class":6096},[5388,9666,6426],{"class":6425},[5388,9668,9669],{"class":5390,"line":5397},[5388,9670,5413],{"emptyLinePlaceholder":5412},[5388,9672,9673,9675],{"class":5390,"line":5403},[5388,9674,6436],{"class":6435},[5388,9676,6439],{"class":5946},[5388,9678,9679],{"class":5390,"line":5409},[5388,9680,6454],{"class":6038},[5388,9682,9683],{"class":5390,"line":5416},[5388,9684,6459],{"class":5946},[5388,9686,9687],{"class":5390,"line":5422},[5388,9688,9689],{"class":6038},"    \"github.com\u002Fjmoiron\u002Fsqlx\"\n",[5388,9691,9692,9694],{"class":5390,"line":5428},[5388,9693,6464],{"class":6384},[5388,9695,6725],{"class":6038},[5388,9697,9698],{"class":5390,"line":5434},[5388,9699,6405],{"class":5946},[5388,9701,9702],{"class":5390,"line":5439},[5388,9703,5413],{"emptyLinePlaceholder":5412},[5388,9705,9706,9708,9710],{"class":5390,"line":5445},[5388,9707,6483],{"class":6096},[5388,9709,6486],{"class":6086},[5388,9711,6489],{"class":5946},[5388,9713,9714,9716,9718],{"class":5390,"line":5451},[5388,9715,6499],{"class":6384},[5388,9717,6388],{"class":5946},[5388,9719,6504],{"class":6038},[5388,9721,9722],{"class":5390,"line":5456},[5388,9723,6459],{"class":5946},[5388,9725,9726],{"class":5390,"line":5462},[5388,9727,9728],{"class":5936},"    \u002F\u002F sqlx.Open повертає *sqlx.DB замість *sql.DB\n",[5388,9730,9731,9733,9735,9737,9739,9741,9743,9745,9747,9749,9751,9753],{"class":5390,"line":5468},[5388,9732,6518],{"class":6384},[5388,9734,5603],{"class":5946},[5388,9736,6523],{"class":6384},[5388,9738,6388],{"class":5946},[5388,9740,5873],{"class":6384},[5388,9742,5555],{"class":5946},[5388,9744,6533],{"class":6086},[5388,9746,6399],{"class":5946},[5388,9748,6538],{"class":6038},[5388,9750,5603],{"class":5946},[5388,9752,6385],{"class":6384},[5388,9754,6405],{"class":5946},[5388,9756,9757,9759,9761,9763,9765],{"class":5390,"line":5474},[5388,9758,6549],{"class":6435},[5388,9760,6552],{"class":6384},[5388,9762,6555],{"class":5946},[5388,9764,6558],{"class":6096},[5388,9766,6561],{"class":5946},[5388,9768,9769,9771,9773,9775,9777,9780,9782,9784,9786,9788],{"class":5390,"line":5480},[5388,9770,6566],{"class":6384},[5388,9772,5555],{"class":5946},[5388,9774,6571],{"class":6086},[5388,9776,6399],{"class":5946},[5388,9778,9779],{"class":6038},"\"Помилка підключення: ",[5388,9781,6579],{"class":6384},[5388,9783,6582],{"class":6038},[5388,9785,5603],{"class":5946},[5388,9787,6523],{"class":6384},[5388,9789,6405],{"class":5946},[5388,9791,9792],{"class":5390,"line":5486},[5388,9793,6593],{"class":5946},[5388,9795,9796,9798,9800,9802,9804],{"class":5390,"line":5491},[5388,9797,6598],{"class":6435},[5388,9799,6601],{"class":6384},[5388,9801,5555],{"class":5946},[5388,9803,6606],{"class":6086},[5388,9805,6609],{"class":5946},[5388,9807,9808],{"class":5390,"line":5497},[5388,9809,6459],{"class":5946},[5388,9811,9812,9814,9816,9818,9820,9822,9824,9826,9828,9830,9832],{"class":5390,"line":5502},[5388,9813,6549],{"class":6435},[5388,9815,6552],{"class":6384},[5388,9817,6388],{"class":5946},[5388,9819,6629],{"class":6384},[5388,9821,5555],{"class":5946},[5388,9823,6634],{"class":6086},[5388,9825,6637],{"class":5946},[5388,9827,6523],{"class":6384},[5388,9829,6555],{"class":5946},[5388,9831,6558],{"class":6096},[5388,9833,6561],{"class":5946},[5388,9835,9836,9838,9840,9842,9844,9847,9849,9851,9853,9855],{"class":5390,"line":5508},[5388,9837,6566],{"class":6384},[5388,9839,5555],{"class":5946},[5388,9841,6571],{"class":6086},[5388,9843,6399],{"class":5946},[5388,9845,9846],{"class":6038},"\"База недоступна: ",[5388,9848,6579],{"class":6384},[5388,9850,6582],{"class":6038},[5388,9852,5603],{"class":5946},[5388,9854,6523],{"class":6384},[5388,9856,6405],{"class":5946},[5388,9858,9859],{"class":5390,"line":5513},[5388,9860,6593],{"class":5946},[5388,9862,9863],{"class":5390,"line":5518},[5388,9864,6459],{"class":5946},[5388,9866,9867,9870,9872,9874,9876,9879],{"class":5390,"line":5524},[5388,9868,9869],{"class":6384},"    log",[5388,9871,5555],{"class":5946},[5388,9873,6686],{"class":6086},[5388,9875,6399],{"class":5946},[5388,9877,9878],{"class":6038},"\"✅ Підключення через sqlx успішне\"",[5388,9880,6405],{"class":5946},[5388,9882,9883],{"class":5390,"line":5530},[5388,9884,5711],{"class":5946},[5615,9886,9888],{"id":9887},"автоматичне-сканування-через-теги-db","Автоматичне сканування через теги db",[5266,9890,9891,9892,6786],{},"Головна перевага sqlx — автоматичне відображення колонок на поля структури через тег ",[5204,9893,6629],{},[5379,9895,9897],{"className":6376,"code":9896,"language":6232,"meta":5384,"style":5384},"type User struct {\n    ID           int       `db:\"id\"`\n    Email        string    `db:\"email\"`\n    PasswordHash string    `db:\"password_hash\"`\n    FullName     string    `db:\"full_name\"`\n    CreatedAt    time.Time `db:\"created_at\"`\n}\n",[5204,9898,9899,9909,9919,9929,9939,9949,9965],{"__ignoreMap":5384},[5388,9900,9901,9903,9905,9907],{"class":5390,"line":5391},[5388,9902,7440],{"class":6096},[5388,9904,7443],{"class":6425},[5388,9906,7446],{"class":6096},[5388,9908,6561],{"class":5946},[5388,9910,9911,9913,9916],{"class":5390,"line":5397},[5388,9912,7453],{"class":6384},[5388,9914,9915],{"class":6425},"           int",[5388,9917,9918],{"class":6038},"       `db:\"id\"`\n",[5388,9920,9921,9923,9926],{"class":5390,"line":5403},[5388,9922,7461],{"class":6384},[5388,9924,9925],{"class":6425},"        string",[5388,9927,9928],{"class":6038},"    `db:\"email\"`\n",[5388,9930,9931,9933,9936],{"class":5390,"line":5409},[5388,9932,7469],{"class":6384},[5388,9934,9935],{"class":6425}," string",[5388,9937,9938],{"class":6038},"    `db:\"password_hash\"`\n",[5388,9940,9941,9943,9946],{"class":5390,"line":5416},[5388,9942,7477],{"class":6384},[5388,9944,9945],{"class":6425},"     string",[5388,9947,9948],{"class":6038},"    `db:\"full_name\"`\n",[5388,9950,9951,9954,9957,9959,9962],{"class":5390,"line":5422},[5388,9952,9953],{"class":6384},"    CreatedAt",[5388,9955,9956],{"class":6425},"    time",[5388,9958,5555],{"class":5946},[5388,9960,9961],{"class":6425},"Time",[5388,9963,9964],{"class":6038}," `db:\"created_at\"`\n",[5388,9966,9967],{"class":5390,"line":5428},[5388,9968,5711],{"class":5946},[5266,9970,9971,9976,9977,9979,9980,5827],{},[5229,9972,9973,9974],{},"Тег ",[5204,9975,6629],{}," вказує, яка колонка БД відповідає полю структури. Це особливо корисно, коли назви полів у Go відрізняються від назв колонок (наприклад, ",[5204,9978,7728],{}," → ",[5204,9981,9982],{},"full_name",[5615,9984,9986],{"id":9985},"методи-get-та-select","Методи Get та Select",[5266,9988,9989],{},[5229,9990,9991,9994],{},[5204,9992,9993],{},"Get()"," — отримання одного рядка:",[5379,9996,9998],{"className":6376,"code":9997,"language":6232,"meta":5384,"style":5384},"func (r *UserRepository) GetByID(ctx context.Context, id int) (*User, error) {\n    user := &User{}\n    query := `SELECT id, email, password_hash, full_name, created_at FROM users WHERE id = $1`\n    \n    \u002F\u002F Автоматичне сканування у структуру\n    err := r.db.GetContext(ctx, user, query, id)\n    if err == sql.ErrNoRows {\n        return nil, fmt.Errorf(\"користувача не знайдено\")\n    }\n    if err != nil {\n        return nil, fmt.Errorf(\"помилка запиту: %w\", err)\n    }\n    \n    return user, nil\n}\n",[5204,9999,10000,10042,10052,10061,10065,10070,10105,10121,10142,10146,10158,10187,10191,10195,10205],{"__ignoreMap":5384},[5388,10001,10002,10004,10006,10008,10010,10012,10014,10016,10018,10020,10022,10024,10026,10028,10030,10032,10034,10036,10038,10040],{"class":5390,"line":5391},[5388,10003,6483],{"class":6096},[5388,10005,5306],{"class":5946},[5388,10007,7584],{"class":6384},[5388,10009,7587],{"class":5946},[5388,10011,7545],{"class":6425},[5388,10013,7046],{"class":5946},[5388,10015,8017],{"class":6086},[5388,10017,6399],{"class":5946},[5388,10019,7599],{"class":6384},[5388,10021,7602],{"class":6425},[5388,10023,5555],{"class":5946},[5388,10025,7607],{"class":6425},[5388,10027,5603],{"class":5946},[5388,10029,8032],{"class":6384},[5388,10031,8035],{"class":6425},[5388,10033,8038],{"class":5946},[5388,10035,7617],{"class":6425},[5388,10037,5603],{"class":5946},[5388,10039,7049],{"class":6425},[5388,10041,8047],{"class":5946},[5388,10043,10044,10046,10048,10050],{"class":5390,"line":5397},[5388,10045,8083],{"class":6384},[5388,10047,8086],{"class":5946},[5388,10049,7617],{"class":6425},[5388,10051,8091],{"class":5946},[5388,10053,10054,10056,10058],{"class":5390,"line":5403},[5388,10055,7056],{"class":6384},[5388,10057,6388],{"class":5946},[5388,10059,10060],{"class":6038},"`SELECT id, email, password_hash, full_name, created_at FROM users WHERE id = $1`\n",[5388,10062,10063],{"class":5390,"line":5409},[5388,10064,6459],{"class":5946},[5388,10066,10067],{"class":5390,"line":5416},[5388,10068,10069],{"class":5936},"    \u002F\u002F Автоматичне сканування у структуру\n",[5388,10071,10072,10074,10076,10078,10080,10082,10084,10087,10089,10091,10093,10095,10097,10099,10101,10103],{"class":5390,"line":5422},[5388,10073,7668],{"class":6384},[5388,10075,6388],{"class":5946},[5388,10077,7673],{"class":6384},[5388,10079,5555],{"class":5946},[5388,10081,6629],{"class":6384},[5388,10083,5555],{"class":5946},[5388,10085,10086],{"class":6086},"GetContext",[5388,10088,6399],{"class":5946},[5388,10090,7599],{"class":6384},[5388,10092,5603],{"class":5946},[5388,10094,7612],{"class":6384},[5388,10096,5603],{"class":5946},[5388,10098,7127],{"class":6384},[5388,10100,5603],{"class":5946},[5388,10102,8032],{"class":6384},[5388,10104,6405],{"class":5946},[5388,10106,10107,10109,10111,10113,10115,10117,10119],{"class":5390,"line":5428},[5388,10108,6549],{"class":6435},[5388,10110,6552],{"class":6384},[5388,10112,8193],{"class":5946},[5388,10114,6528],{"class":6384},[5388,10116,5555],{"class":5946},[5388,10118,8200],{"class":6384},[5388,10120,6561],{"class":5946},[5388,10122,10123,10125,10127,10129,10131,10133,10135,10137,10140],{"class":5390,"line":5434},[5388,10124,7146],{"class":6435},[5388,10126,8209],{"class":6096},[5388,10128,5603],{"class":5946},[5388,10130,8214],{"class":6384},[5388,10132,5555],{"class":5946},[5388,10134,7154],{"class":6086},[5388,10136,6399],{"class":5946},[5388,10138,10139],{"class":6038},"\"користувача не знайдено\"",[5388,10141,6405],{"class":5946},[5388,10143,10144],{"class":5390,"line":5439},[5388,10145,6593],{"class":5946},[5388,10147,10148,10150,10152,10154,10156],{"class":5390,"line":5445},[5388,10149,6549],{"class":6435},[5388,10151,6552],{"class":6384},[5388,10153,6555],{"class":5946},[5388,10155,6558],{"class":6096},[5388,10157,6561],{"class":5946},[5388,10159,10160,10162,10164,10166,10168,10170,10172,10174,10177,10179,10181,10183,10185],{"class":5390,"line":5451},[5388,10161,7146],{"class":6435},[5388,10163,8209],{"class":6096},[5388,10165,5603],{"class":5946},[5388,10167,8214],{"class":6384},[5388,10169,5555],{"class":5946},[5388,10171,7154],{"class":6086},[5388,10173,6399],{"class":5946},[5388,10175,10176],{"class":6038},"\"помилка запиту: ",[5388,10178,7162],{"class":6384},[5388,10180,6582],{"class":6038},[5388,10182,5603],{"class":5946},[5388,10184,6523],{"class":6384},[5388,10186,6405],{"class":5946},[5388,10188,10189],{"class":5390,"line":5456},[5388,10190,6593],{"class":5946},[5388,10192,10193],{"class":5390,"line":5462},[5388,10194,6459],{"class":5946},[5388,10196,10197,10199,10201,10203],{"class":5390,"line":5468},[5388,10198,7198],{"class":6435},[5388,10200,8295],{"class":6384},[5388,10202,5603],{"class":5946},[5388,10204,8300],{"class":6096},[5388,10206,10207],{"class":5390,"line":5474},[5388,10208,5711],{"class":5946},[5266,10210,10211],{},[5229,10212,10213,10214,6786],{},"Порівняння з чистим ",[5204,10215,5206],{},[5379,10217,10219],{"className":6376,"code":10218,"language":6232,"meta":5384,"style":5384},"\u002F\u002F database\u002Fsql — потрібно явно вказати кожне поле\nerr := db.QueryRow(query, id).Scan(\n    &user.ID,\n    &user.Email,\n    &user.PasswordHash,\n    &user.FullName,\n    &user.CreatedAt,\n)\n\n\u002F\u002F sqlx — автоматичне відображення за тегами db\nerr := db.Get(user, query, id)\n",[5204,10220,10221,10226,10253,10266,10278,10290,10302,10315,10319,10323,10328],{"__ignoreMap":5384},[5388,10222,10223],{"class":5390,"line":5391},[5388,10224,10225],{"class":5936},"\u002F\u002F database\u002Fsql — потрібно явно вказати кожне поле\n",[5388,10227,10228,10230,10232,10234,10236,10239,10241,10243,10245,10247,10249,10251],{"class":5390,"line":5397},[5388,10229,6523],{"class":6384},[5388,10231,6388],{"class":5946},[5388,10233,6629],{"class":6384},[5388,10235,5555],{"class":5946},[5388,10237,10238],{"class":6086},"QueryRow",[5388,10240,6399],{"class":5946},[5388,10242,7127],{"class":6384},[5388,10244,5603],{"class":5946},[5388,10246,8032],{"class":6384},[5388,10248,5827],{"class":5946},[5388,10250,7739],{"class":6086},[5388,10252,8126],{"class":5946},[5388,10254,10255,10258,10260,10262,10264],{"class":5390,"line":5403},[5388,10256,10257],{"class":5946},"    &",[5388,10259,7612],{"class":6384},[5388,10261,5555],{"class":5946},[5388,10263,7749],{"class":6384},[5388,10265,7693],{"class":5946},[5388,10267,10268,10270,10272,10274,10276],{"class":5390,"line":5409},[5388,10269,10257],{"class":5946},[5388,10271,7612],{"class":6384},[5388,10273,5555],{"class":5946},[5388,10275,7704],{"class":6384},[5388,10277,7693],{"class":5946},[5388,10279,10280,10282,10284,10286,10288],{"class":5390,"line":5416},[5388,10281,10257],{"class":5946},[5388,10283,7612],{"class":6384},[5388,10285,5555],{"class":5946},[5388,10287,7716],{"class":6384},[5388,10289,7693],{"class":5946},[5388,10291,10292,10294,10296,10298,10300],{"class":5390,"line":5422},[5388,10293,10257],{"class":5946},[5388,10295,7612],{"class":6384},[5388,10297,5555],{"class":5946},[5388,10299,7728],{"class":6384},[5388,10301,7693],{"class":5946},[5388,10303,10304,10306,10308,10310,10313],{"class":5390,"line":5428},[5388,10305,10257],{"class":5946},[5388,10307,7612],{"class":6384},[5388,10309,5555],{"class":5946},[5388,10311,10312],{"class":6384},"CreatedAt",[5388,10314,7693],{"class":5946},[5388,10316,10317],{"class":5390,"line":5434},[5388,10318,6405],{"class":5946},[5388,10320,10321],{"class":5390,"line":5439},[5388,10322,5413],{"emptyLinePlaceholder":5412},[5388,10324,10325],{"class":5390,"line":5445},[5388,10326,10327],{"class":5936},"\u002F\u002F sqlx — автоматичне відображення за тегами db\n",[5388,10329,10330,10332,10334,10336,10338,10341,10343,10345,10347,10349,10351,10353],{"class":5390,"line":5451},[5388,10331,6523],{"class":6384},[5388,10333,6388],{"class":5946},[5388,10335,6629],{"class":6384},[5388,10337,5555],{"class":5946},[5388,10339,10340],{"class":6086},"Get",[5388,10342,6399],{"class":5946},[5388,10344,7612],{"class":6384},[5388,10346,5603],{"class":5946},[5388,10348,7127],{"class":6384},[5388,10350,5603],{"class":5946},[5388,10352,8032],{"class":6384},[5388,10354,6405],{"class":5946},[5266,10356,10357],{},[5229,10358,10359,10362],{},[5204,10360,10361],{},"Select()"," — отримання списку рядків:",[5379,10364,10366],{"className":6376,"code":10365,"language":6232,"meta":5384,"style":5384},"func (r *UserRepository) GetAll(ctx context.Context) ([]*User, error) {\n    var users []*User\n    query := `SELECT id, email, password_hash, full_name, created_at FROM users ORDER BY id`\n    \n    \u002F\u002F Автоматичне заповнення слайсу\n    if err := r.db.SelectContext(ctx, &users, query); err != nil {\n        return nil, fmt.Errorf(\"помилка запиту: %w\", err)\n    }\n    \n    return users, nil\n}\n",[5204,10367,10368,10404,10414,10423,10427,10432,10473,10501,10505,10509,10519],{"__ignoreMap":5384},[5388,10369,10370,10372,10374,10376,10378,10380,10382,10384,10386,10388,10390,10392,10394,10396,10398,10400,10402],{"class":5390,"line":5391},[5388,10371,6483],{"class":6096},[5388,10373,5306],{"class":5946},[5388,10375,7584],{"class":6384},[5388,10377,7587],{"class":5946},[5388,10379,7545],{"class":6425},[5388,10381,7046],{"class":5946},[5388,10383,8364],{"class":6086},[5388,10385,6399],{"class":5946},[5388,10387,7599],{"class":6384},[5388,10389,7602],{"class":6425},[5388,10391,5555],{"class":5946},[5388,10393,7607],{"class":6425},[5388,10395,8377],{"class":5946},[5388,10397,7617],{"class":6425},[5388,10399,5603],{"class":5946},[5388,10401,7049],{"class":6425},[5388,10403,8047],{"class":5946},[5388,10405,10406,10408,10410,10412],{"class":5390,"line":5397},[5388,10407,8499],{"class":6096},[5388,10409,8502],{"class":6384},[5388,10411,8505],{"class":5946},[5388,10413,8508],{"class":6425},[5388,10415,10416,10418,10420],{"class":5390,"line":5403},[5388,10417,7056],{"class":6384},[5388,10419,6388],{"class":5946},[5388,10421,10422],{"class":6038},"`SELECT id, email, password_hash, full_name, created_at FROM users ORDER BY id`\n",[5388,10424,10425],{"class":5390,"line":5409},[5388,10426,6459],{"class":5946},[5388,10428,10429],{"class":5390,"line":5416},[5388,10430,10431],{"class":5936},"    \u002F\u002F Автоматичне заповнення слайсу\n",[5388,10433,10434,10436,10438,10440,10442,10444,10446,10448,10451,10453,10455,10457,10459,10461,10463,10465,10467,10469,10471],{"class":5390,"line":5422},[5388,10435,6549],{"class":6435},[5388,10437,6552],{"class":6384},[5388,10439,6388],{"class":5946},[5388,10441,7673],{"class":6384},[5388,10443,5555],{"class":5946},[5388,10445,6629],{"class":6384},[5388,10447,5555],{"class":5946},[5388,10449,10450],{"class":6086},"SelectContext",[5388,10452,6399],{"class":5946},[5388,10454,7599],{"class":6384},[5388,10456,8559],{"class":5946},[5388,10458,8643],{"class":6384},[5388,10460,5603],{"class":5946},[5388,10462,7127],{"class":6384},[5388,10464,8584],{"class":5946},[5388,10466,6523],{"class":6384},[5388,10468,6555],{"class":5946},[5388,10470,6558],{"class":6096},[5388,10472,6561],{"class":5946},[5388,10474,10475,10477,10479,10481,10483,10485,10487,10489,10491,10493,10495,10497,10499],{"class":5390,"line":5428},[5388,10476,7146],{"class":6435},[5388,10478,8209],{"class":6096},[5388,10480,5603],{"class":5946},[5388,10482,8214],{"class":6384},[5388,10484,5555],{"class":5946},[5388,10486,7154],{"class":6086},[5388,10488,6399],{"class":5946},[5388,10490,10176],{"class":6038},[5388,10492,7162],{"class":6384},[5388,10494,6582],{"class":6038},[5388,10496,5603],{"class":5946},[5388,10498,6523],{"class":6384},[5388,10500,6405],{"class":5946},[5388,10502,10503],{"class":5390,"line":5434},[5388,10504,6593],{"class":5946},[5388,10506,10507],{"class":5390,"line":5439},[5388,10508,6459],{"class":5946},[5388,10510,10511,10513,10515,10517],{"class":5390,"line":5445},[5388,10512,7198],{"class":6435},[5388,10514,8502],{"class":6384},[5388,10516,5603],{"class":5946},[5388,10518,8300],{"class":6096},[5388,10520,10521],{"class":5390,"line":5451},[5388,10522,5711],{"class":5946},[5841,10524,10525,10530,10544],{},[5266,10526,10527],{},[5229,10528,10529],{},"Коли використовувати sqlx?",[5194,10531,10532,10535,10538],{},[5197,10533,10534],{},"Коли ви пишете багато SQL-запитів вручну та хочете уникнути шаблонного коду сканування.",[5197,10536,10537],{},"Коли потрібен повний контроль над SQL, але зручність відображення результатів.",[5197,10539,10540,10541,10543],{},"Як компроміс між чистим ",[5204,10542,5206],{}," та повноцінною ORM.",[5266,10545,10546,10549],{},[5229,10547,10548],{},"sqlx НЕ є заміною ORM"," — вона не генерує SQL автоматично, не відстежує зв'язки та не надає міграцій. Це лише зручна обгортка для спрощення роботи з результатами запитів.",[5615,10551,10553],{"id":10552},"іменовані-параметри","Іменовані параметри",[5266,10555,10556,10557,10560,10561,6786],{},"sqlx підтримує іменовані параметри через ",[5204,10558,10559],{},"NamedExec"," та ",[5204,10562,10563],{},"NamedQuery",[5379,10565,10567],{"className":6376,"code":10566,"language":6232,"meta":5384,"style":5384},"type UserFilter struct {\n    MinAge int    `db:\"min_age\"`\n    City   string `db:\"city\"`\n}\n\nfilter := UserFilter{MinAge: 18, City: \"Київ\"}\n\nvar users []User\nquery := `SELECT * FROM users WHERE age >= :min_age AND city = :city`\n\n\u002F\u002F Іменовані параметри замість $1, $2\nerr := db.NamedQuery(query, filter)\n",[5204,10568,10569,10580,10590,10601,10605,10609,10641,10645,10657,10666,10670,10675],{"__ignoreMap":5384},[5388,10570,10571,10573,10576,10578],{"class":5390,"line":5391},[5388,10572,7440],{"class":6096},[5388,10574,10575],{"class":6425}," UserFilter",[5388,10577,7446],{"class":6096},[5388,10579,6561],{"class":5946},[5388,10581,10582,10585,10587],{"class":5390,"line":5397},[5388,10583,10584],{"class":6384},"    MinAge",[5388,10586,8035],{"class":6425},[5388,10588,10589],{"class":6038},"    `db:\"min_age\"`\n",[5388,10591,10592,10595,10598],{"class":5390,"line":5403},[5388,10593,10594],{"class":6384},"    City",[5388,10596,10597],{"class":6425},"   string",[5388,10599,10600],{"class":6038}," `db:\"city\"`\n",[5388,10602,10603],{"class":5390,"line":5409},[5388,10604,5711],{"class":5946},[5388,10606,10607],{"class":5390,"line":5416},[5388,10608,5413],{"emptyLinePlaceholder":5412},[5388,10610,10611,10614,10616,10619,10621,10624,10626,10629,10631,10634,10636,10639],{"class":5390,"line":5422},[5388,10612,10613],{"class":6384},"filter",[5388,10615,6388],{"class":5946},[5388,10617,10618],{"class":6425},"UserFilter",[5388,10620,7559],{"class":5946},[5388,10622,10623],{"class":6384},"MinAge",[5388,10625,5947],{"class":5946},[5388,10627,10628],{"class":6853},"18",[5388,10630,5603],{"class":5946},[5388,10632,10633],{"class":6384},"City",[5388,10635,5947],{"class":5946},[5388,10637,10638],{"class":6038},"\"Київ\"",[5388,10640,5711],{"class":5946},[5388,10642,10643],{"class":5390,"line":5428},[5388,10644,5413],{"emptyLinePlaceholder":5412},[5388,10646,10647,10650,10652,10655],{"class":5390,"line":5434},[5388,10648,10649],{"class":6096},"var",[5388,10651,8502],{"class":6384},[5388,10653,10654],{"class":5946}," []",[5388,10656,8508],{"class":6425},[5388,10658,10659,10661,10663],{"class":5390,"line":5439},[5388,10660,7127],{"class":6384},[5388,10662,6388],{"class":5946},[5388,10664,10665],{"class":6038},"`SELECT * FROM users WHERE age >= :min_age AND city = :city`\n",[5388,10667,10668],{"class":5390,"line":5445},[5388,10669,5413],{"emptyLinePlaceholder":5412},[5388,10671,10672],{"class":5390,"line":5451},[5388,10673,10674],{"class":5936},"\u002F\u002F Іменовані параметри замість $1, $2\n",[5388,10676,10677,10679,10681,10683,10685,10687,10689,10691,10693,10695],{"class":5390,"line":5456},[5388,10678,6523],{"class":6384},[5388,10680,6388],{"class":5946},[5388,10682,6629],{"class":6384},[5388,10684,5555],{"class":5946},[5388,10686,10563],{"class":6086},[5388,10688,6399],{"class":5946},[5388,10690,7127],{"class":6384},[5388,10692,5603],{"class":5946},[5388,10694,10613],{"class":6384},[5388,10696,6405],{"class":5946},[5266,10698,10699],{},"Це робить запити з багатьма параметрами більш читабельними.",[9509,10701,10702],{},[9512,10703,10705,10738],{"icon":9514,"label":10704},"❓ У чому різниця між pgx, sqlx та GORM?",[5194,10706,10707,10718,10728],{},[5197,10708,10709,10711,10712,10715,10716,5866],{},[5229,10710,5210],{}," — це ",[5229,10713,10714],{},"драйвер БД",", низькорівнева бібліотека, що реалізує протокол комунікації з PostgreSQL. Працює як через ",[5204,10717,5206],{},[5197,10719,10720,10711,10722,10727],{},[5229,10721,5873],{},[5229,10723,10724,10725],{},"обгортка над ",[5204,10726,5206],{},", яка спрощує сканування результатів у структури. Вона не є драйвером і працює поверх будь-якого драйвера (pgx, pq, mysql тощо).",[5197,10729,10730,10733,10734,10737],{},[5229,10731,10732],{},"GORM"," — це повноцінна ",[5229,10735,10736],{},"ORM",", яка автоматично генерує SQL, відстежує зв'язки між таблицями, надає міграції та хуки життєвого циклу.",[5266,10739,10740,10743,10744,10746,10747,10749],{},[5229,10741,10742],{},"Комбінування:"," ви можете використовувати ",[5204,10745,5210],{}," (драйвер) + ",[5204,10748,5873],{}," (зручність) разом для отримання продуктивності pgx та зручності sqlx.",[5258,10751],{},[5261,10753,10755],{"id":10754},"транзакції-гарантії-acid","Транзакції: гарантії ACID",[5266,10757,10758],{},"Уявімо ситуацію: користувач переводить гроші з одного рахунку на інший. Операція складається з двох кроків:",[5275,10760,10761,10764],{},[5197,10762,10763],{},"Зняти гроші з рахунку А.",[5197,10765,10766],{},"Додати гроші на рахунок Б.",[5266,10768,10769,10772],{},[5229,10770,10771],{},"Що станеться, якщо після першого кроку сервер аварійно завершиться?"," Гроші знімуться з рахунку А, але не додадуться до Б — вони зникнуть. Це катастрофа.",[5266,10774,10775,10776,5306,10779,10782,10783,10786],{},"Саме для розв'язання таких проблем існують ",[5229,10777,10778],{},"транзакції",[5270,10780,10781],{},"Transactions",") — механізм групування кількох операцій в одну атомарну (",[5270,10784,10785],{},"atomic",") одиницю роботи.",[5615,10788,10790],{"id":10789},"властивості-acid","Властивості ACID",[5266,10792,10793,10794,6786],{},"Транзакції забезпечують чотири фундаментальні гарантії, відомі як ",[5229,10795,10796],{},"ACID",[5275,10798,10799,10807,10819,10827],{},[5197,10800,10801,10804,10806],{},[5229,10802,10803],{},"Atomicity (Атомарність):",[6727,10805],{},"\nВсі операції у транзакції виконуються повністю або не виконуються зовсім. Не існує проміжного стану «частково виконано».",[5197,10808,10809,10812,10814,10815,10818],{},[5229,10810,10811],{},"Consistency (Узгодженість):",[6727,10813],{},"\nТранзакція переводить базу даних з одного узгодженого стану в інший. Всі обмеження (",[5270,10816,10817],{},"constraints","), тригери та правила залишаються дійсними.",[5197,10820,10821,10824,10826],{},[5229,10822,10823],{},"Isolation (Ізольованість):",[6727,10825],{},"\nПаралельні транзакції не впливають одна на одну. Зміни, внесені транзакцією, невидимі іншим, поки вона не завершиться.",[5197,10828,10829,10832,10834,10835,10838],{},[5229,10830,10831],{},"Durability (Довговічність):",[6727,10833],{},"\nПісля підтвердження транзакції (",[5270,10836,10837],{},"commit",") зміни гарантовано зберігаються на диску, навіть у разі збою.",[5350,10840,10841,10842,5603,10845,5603,10848,10851,10852,5555],{},"PostgreSQL підтримує всі властивості ACID із конфігурованими рівнями ізоляції (",[5270,10843,10844],{},"Read Committed",[5270,10846,10847],{},"Repeatable Read",[5270,10849,10850],{},"Serializable","). За замовчуванням використовується ",[5270,10853,10844],{},[5615,10855,10857],{"id":10856},"синтаксис-транзакцій-у-databasesql","Синтаксис транзакцій у database\u002Fsql",[5266,10859,10860,10861,10864,10865,10868,10869,10872],{},"Транзакція створюється методом ",[5204,10862,10863],{},"BeginTx()"," та завершується викликом ",[5204,10866,10867],{},"Commit()"," (підтвердження) або ",[5204,10870,10871],{},"Rollback()"," (відкат):",[5379,10874,10876],{"className":6376,"code":10875,"language":6232,"meta":5384,"style":5384},"func (r *UserRepository) TransferBalance(ctx context.Context, fromID, toID int, amount float64) error {\n    \u002F\u002F Початок транзакції\n    tx, err := r.db.BeginTx(ctx, nil)\n    if err != nil {\n        return fmt.Errorf(\"не вдалося почати транзакцію: %w\", err)\n    }\n    \n    \u002F\u002F Відкат транзакції у разі помилки\n    defer func() {\n        if p := recover(); p != nil {\n            tx.Rollback()\n            panic(p) \u002F\u002F Повторно викинути panic після відкату\n        } else if err != nil {\n            tx.Rollback()\n        }\n    }()\n    \n    \u002F\u002F Крок 1: Зняти гроші з рахунку fromID\n    _, err = tx.ExecContext(ctx,\n        \"UPDATE accounts SET balance = balance - $1 WHERE user_id = $2\",\n        amount, fromID,\n    )\n    if err != nil {\n        return fmt.Errorf(\"помилка зняття коштів: %w\", err)\n    }\n    \n    \u002F\u002F Крок 2: Додати гроші на рахунок toID\n    _, err = tx.ExecContext(ctx,\n        \"UPDATE accounts SET balance = balance + $1 WHERE user_id = $2\",\n        amount, toID,\n    )\n    if err != nil {\n        return fmt.Errorf(\"помилка додавання коштів: %w\", err)\n    }\n    \n    \u002F\u002F Підтвердження транзакції\n    if err = tx.Commit(); err != nil {\n        return fmt.Errorf(\"помилка підтвердження транзакції: %w\", err)\n    }\n    \n    return nil\n}\n",[5204,10877,10878,10931,10936,10968,10980,11005,11009,11013,11018,11027,11049,11061,11075,11094,11104,11108,11113,11117,11122,11145,11152,11163,11167,11179,11204,11208,11212,11217,11239,11246,11256,11260,11272,11297,11301,11305,11310,11335,11360,11364,11368,11374],{"__ignoreMap":5384},[5388,10879,10880,10882,10884,10886,10888,10890,10892,10895,10897,10899,10901,10903,10905,10907,10910,10912,10915,10917,10919,10922,10925,10927,10929],{"class":5390,"line":5391},[5388,10881,6483],{"class":6096},[5388,10883,5306],{"class":5946},[5388,10885,7584],{"class":6384},[5388,10887,7587],{"class":5946},[5388,10889,7545],{"class":6425},[5388,10891,7046],{"class":5946},[5388,10893,10894],{"class":6086},"TransferBalance",[5388,10896,6399],{"class":5946},[5388,10898,7599],{"class":6384},[5388,10900,7602],{"class":6425},[5388,10902,5555],{"class":5946},[5388,10904,7607],{"class":6425},[5388,10906,5603],{"class":5946},[5388,10908,10909],{"class":6384},"fromID",[5388,10911,5603],{"class":5946},[5388,10913,10914],{"class":6384},"toID",[5388,10916,8035],{"class":6425},[5388,10918,5603],{"class":5946},[5388,10920,10921],{"class":6384},"amount",[5388,10923,10924],{"class":6425}," float64",[5388,10926,7046],{"class":5946},[5388,10928,7049],{"class":6425},[5388,10930,6561],{"class":5946},[5388,10932,10933],{"class":5390,"line":5397},[5388,10934,10935],{"class":5936},"    \u002F\u002F Початок транзакції\n",[5388,10937,10938,10941,10943,10945,10947,10949,10951,10953,10955,10958,10960,10962,10964,10966],{"class":5390,"line":5403},[5388,10939,10940],{"class":6384},"    tx",[5388,10942,5603],{"class":5946},[5388,10944,6523],{"class":6384},[5388,10946,6388],{"class":5946},[5388,10948,7673],{"class":6384},[5388,10950,5555],{"class":5946},[5388,10952,6629],{"class":6384},[5388,10954,5555],{"class":5946},[5388,10956,10957],{"class":6086},"BeginTx",[5388,10959,6399],{"class":5946},[5388,10961,7599],{"class":6384},[5388,10963,5603],{"class":5946},[5388,10965,6558],{"class":6096},[5388,10967,6405],{"class":5946},[5388,10969,10970,10972,10974,10976,10978],{"class":5390,"line":5409},[5388,10971,6549],{"class":6435},[5388,10973,6552],{"class":6384},[5388,10975,6555],{"class":5946},[5388,10977,6558],{"class":6096},[5388,10979,6561],{"class":5946},[5388,10981,10982,10984,10986,10988,10990,10992,10995,10997,10999,11001,11003],{"class":5390,"line":5416},[5388,10983,7146],{"class":6435},[5388,10985,7149],{"class":6384},[5388,10987,5555],{"class":5946},[5388,10989,7154],{"class":6086},[5388,10991,6399],{"class":5946},[5388,10993,10994],{"class":6038},"\"не вдалося почати транзакцію: ",[5388,10996,7162],{"class":6384},[5388,10998,6582],{"class":6038},[5388,11000,5603],{"class":5946},[5388,11002,6523],{"class":6384},[5388,11004,6405],{"class":5946},[5388,11006,11007],{"class":5390,"line":5422},[5388,11008,6593],{"class":5946},[5388,11010,11011],{"class":5390,"line":5428},[5388,11012,6459],{"class":5946},[5388,11014,11015],{"class":5390,"line":5434},[5388,11016,11017],{"class":5936},"    \u002F\u002F Відкат транзакції у разі помилки\n",[5388,11019,11020,11022,11025],{"class":5390,"line":5439},[5388,11021,6598],{"class":6435},[5388,11023,11024],{"class":6096}," func",[5388,11026,6489],{"class":5946},[5388,11028,11029,11031,11034,11036,11039,11041,11043,11045,11047],{"class":5390,"line":5445},[5388,11030,8537],{"class":6435},[5388,11032,11033],{"class":6384}," p",[5388,11035,6388],{"class":5946},[5388,11037,11038],{"class":6086},"recover",[5388,11040,6637],{"class":5946},[5388,11042,5266],{"class":6384},[5388,11044,6555],{"class":5946},[5388,11046,6558],{"class":6096},[5388,11048,6561],{"class":5946},[5388,11050,11051,11054,11056,11059],{"class":5390,"line":5451},[5388,11052,11053],{"class":6384},"            tx",[5388,11055,5555],{"class":5946},[5388,11057,11058],{"class":6086},"Rollback",[5388,11060,6609],{"class":5946},[5388,11062,11063,11066,11068,11070,11072],{"class":5390,"line":5456},[5388,11064,11065],{"class":6086},"            panic",[5388,11067,6399],{"class":5946},[5388,11069,5266],{"class":6384},[5388,11071,7046],{"class":5946},[5388,11073,11074],{"class":5936},"\u002F\u002F Повторно викинути panic після відкату\n",[5388,11076,11077,11080,11083,11086,11088,11090,11092],{"class":5390,"line":5462},[5388,11078,11079],{"class":5946},"        } ",[5388,11081,11082],{"class":6435},"else",[5388,11084,11085],{"class":6435}," if",[5388,11087,6552],{"class":6384},[5388,11089,6555],{"class":5946},[5388,11091,6558],{"class":6096},[5388,11093,6561],{"class":5946},[5388,11095,11096,11098,11100,11102],{"class":5390,"line":5468},[5388,11097,11053],{"class":6384},[5388,11099,5555],{"class":5946},[5388,11101,11058],{"class":6086},[5388,11103,6609],{"class":5946},[5388,11105,11106],{"class":5390,"line":5474},[5388,11107,8627],{"class":5946},[5388,11109,11110],{"class":5390,"line":5480},[5388,11111,11112],{"class":5946},"    }()\n",[5388,11114,11115],{"class":5390,"line":5486},[5388,11116,6459],{"class":5946},[5388,11118,11119],{"class":5390,"line":5491},[5388,11120,11121],{"class":5936},"    \u002F\u002F Крок 1: Зняти гроші з рахунку fromID\n",[5388,11123,11124,11126,11128,11130,11132,11135,11137,11139,11141,11143],{"class":5390,"line":5497},[5388,11125,6464],{"class":6384},[5388,11127,5603],{"class":5946},[5388,11129,6523],{"class":6384},[5388,11131,8635],{"class":5946},[5388,11133,11134],{"class":6384},"tx",[5388,11136,5555],{"class":5946},[5388,11138,8924],{"class":6086},[5388,11140,6399],{"class":5946},[5388,11142,7599],{"class":6384},[5388,11144,7693],{"class":5946},[5388,11146,11147,11150],{"class":5390,"line":5502},[5388,11148,11149],{"class":6038},"        \"UPDATE accounts SET balance = balance - $1 WHERE user_id = $2\"",[5388,11151,7693],{"class":5946},[5388,11153,11154,11157,11159,11161],{"class":5390,"line":5508},[5388,11155,11156],{"class":6384},"        amount",[5388,11158,5603],{"class":5946},[5388,11160,10909],{"class":6384},[5388,11162,7693],{"class":5946},[5388,11164,11165],{"class":5390,"line":5513},[5388,11166,8180],{"class":5946},[5388,11168,11169,11171,11173,11175,11177],{"class":5390,"line":5518},[5388,11170,6549],{"class":6435},[5388,11172,6552],{"class":6384},[5388,11174,6555],{"class":5946},[5388,11176,6558],{"class":6096},[5388,11178,6561],{"class":5946},[5388,11180,11181,11183,11185,11187,11189,11191,11194,11196,11198,11200,11202],{"class":5390,"line":5524},[5388,11182,7146],{"class":6435},[5388,11184,7149],{"class":6384},[5388,11186,5555],{"class":5946},[5388,11188,7154],{"class":6086},[5388,11190,6399],{"class":5946},[5388,11192,11193],{"class":6038},"\"помилка зняття коштів: ",[5388,11195,7162],{"class":6384},[5388,11197,6582],{"class":6038},[5388,11199,5603],{"class":5946},[5388,11201,6523],{"class":6384},[5388,11203,6405],{"class":5946},[5388,11205,11206],{"class":5390,"line":5530},[5388,11207,6593],{"class":5946},[5388,11209,11210],{"class":5390,"line":5535},[5388,11211,6459],{"class":5946},[5388,11213,11214],{"class":5390,"line":5803},[5388,11215,11216],{"class":5936},"    \u002F\u002F Крок 2: Додати гроші на рахунок toID\n",[5388,11218,11219,11221,11223,11225,11227,11229,11231,11233,11235,11237],{"class":5390,"line":5808},[5388,11220,6464],{"class":6384},[5388,11222,5603],{"class":5946},[5388,11224,6523],{"class":6384},[5388,11226,8635],{"class":5946},[5388,11228,11134],{"class":6384},[5388,11230,5555],{"class":5946},[5388,11232,8924],{"class":6086},[5388,11234,6399],{"class":5946},[5388,11236,7599],{"class":6384},[5388,11238,7693],{"class":5946},[5388,11240,11241,11244],{"class":5390,"line":7649},[5388,11242,11243],{"class":6038},"        \"UPDATE accounts SET balance = balance + $1 WHERE user_id = $2\"",[5388,11245,7693],{"class":5946},[5388,11247,11248,11250,11252,11254],{"class":5390,"line":7654},[5388,11249,11156],{"class":6384},[5388,11251,5603],{"class":5946},[5388,11253,10914],{"class":6384},[5388,11255,7693],{"class":5946},[5388,11257,11258],{"class":5390,"line":7659},[5388,11259,8180],{"class":5946},[5388,11261,11262,11264,11266,11268,11270],{"class":5390,"line":7665},[5388,11263,6549],{"class":6435},[5388,11265,6552],{"class":6384},[5388,11267,6555],{"class":5946},[5388,11269,6558],{"class":6096},[5388,11271,6561],{"class":5946},[5388,11273,11274,11276,11278,11280,11282,11284,11287,11289,11291,11293,11295],{"class":5390,"line":7696},[5388,11275,7146],{"class":6435},[5388,11277,7149],{"class":6384},[5388,11279,5555],{"class":5946},[5388,11281,7154],{"class":6086},[5388,11283,6399],{"class":5946},[5388,11285,11286],{"class":6038},"\"помилка додавання коштів: ",[5388,11288,7162],{"class":6384},[5388,11290,6582],{"class":6038},[5388,11292,5603],{"class":5946},[5388,11294,6523],{"class":6384},[5388,11296,6405],{"class":5946},[5388,11298,11299],{"class":5390,"line":7709},[5388,11300,6593],{"class":5946},[5388,11302,11303],{"class":5390,"line":7721},[5388,11304,6459],{"class":5946},[5388,11306,11307],{"class":5390,"line":7733},[5388,11308,11309],{"class":5936},"    \u002F\u002F Підтвердження транзакції\n",[5388,11311,11312,11314,11316,11318,11320,11322,11325,11327,11329,11331,11333],{"class":5390,"line":7754},[5388,11313,6549],{"class":6435},[5388,11315,6552],{"class":6384},[5388,11317,8635],{"class":5946},[5388,11319,11134],{"class":6384},[5388,11321,5555],{"class":5946},[5388,11323,11324],{"class":6086},"Commit",[5388,11326,6637],{"class":5946},[5388,11328,6523],{"class":6384},[5388,11330,6555],{"class":5946},[5388,11332,6558],{"class":6096},[5388,11334,6561],{"class":5946},[5388,11336,11337,11339,11341,11343,11345,11347,11350,11352,11354,11356,11358],{"class":5390,"line":7759},[5388,11338,7146],{"class":6435},[5388,11340,7149],{"class":6384},[5388,11342,5555],{"class":5946},[5388,11344,7154],{"class":6086},[5388,11346,6399],{"class":5946},[5388,11348,11349],{"class":6038},"\"помилка підтвердження транзакції: ",[5388,11351,7162],{"class":6384},[5388,11353,6582],{"class":6038},[5388,11355,5603],{"class":5946},[5388,11357,6523],{"class":6384},[5388,11359,6405],{"class":5946},[5388,11361,11362],{"class":5390,"line":7772},[5388,11363,6593],{"class":5946},[5388,11365,11366],{"class":5390,"line":7798},[5388,11367,6459],{"class":5946},[5388,11369,11370,11372],{"class":5390,"line":7803},[5388,11371,7198],{"class":6435},[5388,11373,7201],{"class":6096},[5388,11375,11376],{"class":5390,"line":7808},[5388,11377,5711],{"class":5946},[5266,11379,11380],{},[5229,11381,5543],{},[5275,11383,11384,11396,11409,11416],{},[5197,11385,11386,11391,11392,11395],{},[5229,11387,11388],{},[5204,11389,11390],{},"BeginTx(ctx, nil)"," створює об'єкт ",[5204,11393,11394],{},"*sql.Tx"," (транзакцію).",[5197,11397,11398,11399,5603,11402,11405,11406,5555],{},"Всі операції виконуються через ",[5204,11400,11401],{},"tx.ExecContext()",[5204,11403,11404],{},"tx.QueryContext()"," замість ",[5204,11407,11408],{},"db.ExecContext()",[5197,11410,11411,11412,11415],{},"Якщо всі операції успішні, викликається ",[5204,11413,11414],{},"tx.Commit()"," — зміни стають видимими іншим транзакціям.",[5197,11417,11418,11419,11422],{},"Якщо будь-яка операція завершилася помилкою, викликається ",[5204,11420,11421],{},"tx.Rollback()"," — всі зміни скасовуються.",[5580,11424,11425,11435,11442],{},[5266,11426,11427],{},[5229,11428,11429,11430,6365,11432,11434],{},"Критично важливо викликати ",[5204,11431,10871],{},[5204,11433,10867],{}," для кожної транзакції!",[5266,11436,11437,11438,11441],{},"Якщо ви забудете завершити транзакцію, з'єднання залишиться заблокованим, утримуючи блокування на рядках таблиці. Це призведе до дедлоків (",[5270,11439,11440],{},"deadlocks",") та виснаження пулу з'єднань.",[5266,11443,11444,11445,11447],{},"Використовуйте ",[5204,11446,8764],{}," для гарантії відкату у разі помилки або паніки.",[5615,11449,11451],{"id":11450},"патерн-безпечної-роботи-з-транзакціями","Патерн безпечної роботи з транзакціями",[5266,11453,11454],{},"Типовий шаблон для роботи з транзакціями:",[5379,11456,11458],{"className":6376,"code":11457,"language":6232,"meta":5384,"style":5384},"func (r *Repository) DoSomethingTransactional(ctx context.Context) (err error) {\n    tx, err := r.db.BeginTx(ctx, nil)\n    if err != nil {\n        return err\n    }\n    \n    \u002F\u002F Відкочуємо транзакцію у разі помилки\n    defer func() {\n        if err != nil {\n            tx.Rollback()\n        }\n    }()\n    \n    \u002F\u002F Виконуємо операції через tx\n    if err = r.step1(ctx, tx); err != nil {\n        return err\n    }\n    \n    if err = r.step2(ctx, tx); err != nil {\n        return err\n    }\n    \n    \u002F\u002F Підтверджуємо транзакцію\n    return tx.Commit()\n}\n",[5204,11459,11460,11498,11528,11540,11546,11550,11554,11559,11567,11579,11589,11593,11597,11601,11606,11639,11645,11649,11653,11686,11692,11696,11700,11705,11718],{"__ignoreMap":5384},[5388,11461,11462,11464,11466,11468,11470,11473,11475,11478,11480,11482,11484,11486,11488,11491,11493,11496],{"class":5390,"line":5391},[5388,11463,6483],{"class":6096},[5388,11465,5306],{"class":5946},[5388,11467,7584],{"class":6384},[5388,11469,7587],{"class":5946},[5388,11471,11472],{"class":6425},"Repository",[5388,11474,7046],{"class":5946},[5388,11476,11477],{"class":6086},"DoSomethingTransactional",[5388,11479,6399],{"class":5946},[5388,11481,7599],{"class":6384},[5388,11483,7602],{"class":6425},[5388,11485,5555],{"class":5946},[5388,11487,7607],{"class":6425},[5388,11489,11490],{"class":5946},") (",[5388,11492,6523],{"class":6384},[5388,11494,11495],{"class":6425}," error",[5388,11497,8047],{"class":5946},[5388,11499,11500,11502,11504,11506,11508,11510,11512,11514,11516,11518,11520,11522,11524,11526],{"class":5390,"line":5397},[5388,11501,10940],{"class":6384},[5388,11503,5603],{"class":5946},[5388,11505,6523],{"class":6384},[5388,11507,6388],{"class":5946},[5388,11509,7673],{"class":6384},[5388,11511,5555],{"class":5946},[5388,11513,6629],{"class":6384},[5388,11515,5555],{"class":5946},[5388,11517,10957],{"class":6086},[5388,11519,6399],{"class":5946},[5388,11521,7599],{"class":6384},[5388,11523,5603],{"class":5946},[5388,11525,6558],{"class":6096},[5388,11527,6405],{"class":5946},[5388,11529,11530,11532,11534,11536,11538],{"class":5390,"line":5403},[5388,11531,6549],{"class":6435},[5388,11533,6552],{"class":6384},[5388,11535,6555],{"class":5946},[5388,11537,6558],{"class":6096},[5388,11539,6561],{"class":5946},[5388,11541,11542,11544],{"class":5390,"line":5409},[5388,11543,7146],{"class":6435},[5388,11545,7285],{"class":6384},[5388,11547,11548],{"class":5390,"line":5416},[5388,11549,6593],{"class":5946},[5388,11551,11552],{"class":5390,"line":5422},[5388,11553,6459],{"class":5946},[5388,11555,11556],{"class":5390,"line":5428},[5388,11557,11558],{"class":5936},"    \u002F\u002F Відкочуємо транзакцію у разі помилки\n",[5388,11560,11561,11563,11565],{"class":5390,"line":5434},[5388,11562,6598],{"class":6435},[5388,11564,11024],{"class":6096},[5388,11566,6489],{"class":5946},[5388,11568,11569,11571,11573,11575,11577],{"class":5390,"line":5439},[5388,11570,8537],{"class":6435},[5388,11572,6552],{"class":6384},[5388,11574,6555],{"class":5946},[5388,11576,6558],{"class":6096},[5388,11578,6561],{"class":5946},[5388,11580,11581,11583,11585,11587],{"class":5390,"line":5445},[5388,11582,11053],{"class":6384},[5388,11584,5555],{"class":5946},[5388,11586,11058],{"class":6086},[5388,11588,6609],{"class":5946},[5388,11590,11591],{"class":5390,"line":5451},[5388,11592,8627],{"class":5946},[5388,11594,11595],{"class":5390,"line":5456},[5388,11596,11112],{"class":5946},[5388,11598,11599],{"class":5390,"line":5462},[5388,11600,6459],{"class":5946},[5388,11602,11603],{"class":5390,"line":5468},[5388,11604,11605],{"class":5936},"    \u002F\u002F Виконуємо операції через tx\n",[5388,11607,11608,11610,11612,11614,11616,11618,11621,11623,11625,11627,11629,11631,11633,11635,11637],{"class":5390,"line":5474},[5388,11609,6549],{"class":6435},[5388,11611,6552],{"class":6384},[5388,11613,8635],{"class":5946},[5388,11615,7673],{"class":6384},[5388,11617,5555],{"class":5946},[5388,11619,11620],{"class":6086},"step1",[5388,11622,6399],{"class":5946},[5388,11624,7599],{"class":6384},[5388,11626,5603],{"class":5946},[5388,11628,11134],{"class":6384},[5388,11630,8584],{"class":5946},[5388,11632,6523],{"class":6384},[5388,11634,6555],{"class":5946},[5388,11636,6558],{"class":6096},[5388,11638,6561],{"class":5946},[5388,11640,11641,11643],{"class":5390,"line":5480},[5388,11642,7146],{"class":6435},[5388,11644,7285],{"class":6384},[5388,11646,11647],{"class":5390,"line":5486},[5388,11648,6593],{"class":5946},[5388,11650,11651],{"class":5390,"line":5491},[5388,11652,6459],{"class":5946},[5388,11654,11655,11657,11659,11661,11663,11665,11668,11670,11672,11674,11676,11678,11680,11682,11684],{"class":5390,"line":5497},[5388,11656,6549],{"class":6435},[5388,11658,6552],{"class":6384},[5388,11660,8635],{"class":5946},[5388,11662,7673],{"class":6384},[5388,11664,5555],{"class":5946},[5388,11666,11667],{"class":6086},"step2",[5388,11669,6399],{"class":5946},[5388,11671,7599],{"class":6384},[5388,11673,5603],{"class":5946},[5388,11675,11134],{"class":6384},[5388,11677,8584],{"class":5946},[5388,11679,6523],{"class":6384},[5388,11681,6555],{"class":5946},[5388,11683,6558],{"class":6096},[5388,11685,6561],{"class":5946},[5388,11687,11688,11690],{"class":5390,"line":5502},[5388,11689,7146],{"class":6435},[5388,11691,7285],{"class":6384},[5388,11693,11694],{"class":5390,"line":5508},[5388,11695,6593],{"class":5946},[5388,11697,11698],{"class":5390,"line":5513},[5388,11699,6459],{"class":5946},[5388,11701,11702],{"class":5390,"line":5518},[5388,11703,11704],{"class":5936},"    \u002F\u002F Підтверджуємо транзакцію\n",[5388,11706,11707,11709,11712,11714,11716],{"class":5390,"line":5524},[5388,11708,7198],{"class":6435},[5388,11710,11711],{"class":6384}," tx",[5388,11713,5555],{"class":5946},[5388,11715,11324],{"class":6086},[5388,11717,6609],{"class":5946},[5388,11719,11720],{"class":5390,"line":5530},[5388,11721,5711],{"class":5946},[5266,11723,11724],{},[5229,11725,5815],{},[5194,11727,11728,11733],{},[5197,11729,11730,11732],{},[5204,11731,8764],{}," автоматично відкотить транзакцію, якщо функція повернула помилку.",[5197,11734,7947,11735,11737,11738,11741,11742,11744,11745,11747,11748,11750],{},[5204,11736,10867],{}," успішний, ",[5204,11739,11740],{},"err == nil",", і ",[5204,11743,10871],{}," не викликається (але виклик ",[5204,11746,10871],{}," після ",[5204,11749,10867],{}," безпечний — це no-op).",[5375,11752,11754],{"alt":11753},"Життєвий цикл транзакції",[5379,11755,11757],{"className":5381,"code":11756,"language":5383,"meta":5384,"style":5384},"@startuml\nskinparam style plain\nskinparam backgroundColor #FFFFFF\n\n[*] --> Begin : db.BeginTx()\n\nBegin --> Executing : Операції через tx\n\nExecuting --> Executing : tx.Exec(), tx.Query()\n\nExecuting --> Commit : Всі операції успішні\\ntx.Commit()\nExecuting --> Rollback : Помилка\\ntx.Rollback()\n\nCommit --> [*] : Зміни збережені\nRollback --> [*] : Зміни скасовані\n\nnote right of Commit #DCFCE7\n  Зміни стають видимими\n  іншим транзакціям\nend note\n\nnote right of Rollback #FEF3C7\n  База даних повертається\n  до стану до початку\n  транзакції\nend note\n\n@enduml\n",[5204,11758,11759,11763,11767,11771,11775,11780,11784,11789,11793,11798,11802,11807,11812,11816,11821,11826,11830,11835,11840,11845,11850,11854,11859,11864,11869,11874,11878,11882],{"__ignoreMap":5384},[5388,11760,11761],{"class":5390,"line":5391},[5388,11762,5394],{},[5388,11764,11765],{"class":5390,"line":5397},[5388,11766,5400],{},[5388,11768,11769],{"class":5390,"line":5403},[5388,11770,5406],{},[5388,11772,11773],{"class":5390,"line":5409},[5388,11774,5413],{"emptyLinePlaceholder":5412},[5388,11776,11777],{"class":5390,"line":5416},[5388,11778,11779],{},"[*] --> Begin : db.BeginTx()\n",[5388,11781,11782],{"class":5390,"line":5422},[5388,11783,5413],{"emptyLinePlaceholder":5412},[5388,11785,11786],{"class":5390,"line":5428},[5388,11787,11788],{},"Begin --> Executing : Операції через tx\n",[5388,11790,11791],{"class":5390,"line":5434},[5388,11792,5413],{"emptyLinePlaceholder":5412},[5388,11794,11795],{"class":5390,"line":5439},[5388,11796,11797],{},"Executing --> Executing : tx.Exec(), tx.Query()\n",[5388,11799,11800],{"class":5390,"line":5445},[5388,11801,5413],{"emptyLinePlaceholder":5412},[5388,11803,11804],{"class":5390,"line":5451},[5388,11805,11806],{},"Executing --> Commit : Всі операції успішні\\ntx.Commit()\n",[5388,11808,11809],{"class":5390,"line":5456},[5388,11810,11811],{},"Executing --> Rollback : Помилка\\ntx.Rollback()\n",[5388,11813,11814],{"class":5390,"line":5462},[5388,11815,5413],{"emptyLinePlaceholder":5412},[5388,11817,11818],{"class":5390,"line":5468},[5388,11819,11820],{},"Commit --> [*] : Зміни збережені\n",[5388,11822,11823],{"class":5390,"line":5474},[5388,11824,11825],{},"Rollback --> [*] : Зміни скасовані\n",[5388,11827,11828],{"class":5390,"line":5480},[5388,11829,5413],{"emptyLinePlaceholder":5412},[5388,11831,11832],{"class":5390,"line":5486},[5388,11833,11834],{},"note right of Commit #DCFCE7\n",[5388,11836,11837],{"class":5390,"line":5491},[5388,11838,11839],{},"  Зміни стають видимими\n",[5388,11841,11842],{"class":5390,"line":5497},[5388,11843,11844],{},"  іншим транзакціям\n",[5388,11846,11847],{"class":5390,"line":5502},[5388,11848,11849],{},"end note\n",[5388,11851,11852],{"class":5390,"line":5508},[5388,11853,5413],{"emptyLinePlaceholder":5412},[5388,11855,11856],{"class":5390,"line":5513},[5388,11857,11858],{},"note right of Rollback #FEF3C7\n",[5388,11860,11861],{"class":5390,"line":5518},[5388,11862,11863],{},"  База даних повертається\n",[5388,11865,11866],{"class":5390,"line":5524},[5388,11867,11868],{},"  до стану до початку\n",[5388,11870,11871],{"class":5390,"line":5530},[5388,11872,11873],{},"  транзакції\n",[5388,11875,11876],{"class":5390,"line":5535},[5388,11877,11849],{},[5388,11879,11880],{"class":5390,"line":5803},[5388,11881,5413],{"emptyLinePlaceholder":5412},[5388,11883,11884],{"class":5390,"line":5808},[5388,11885,5538],{},[5841,11887,11888,11893,11904,11909],{},[5266,11889,11890],{},[5229,11891,11892],{},"Коли використовувати транзакції?",[5194,11894,11895,11898,11901],{},[5197,11896,11897],{},"Коли кілька операцій мають виконатися атомарно (наприклад, перевід коштів, створення замовлення з товарами).",[5197,11899,11900],{},"Коли потрібна узгодженість даних між таблицями (наприклад, додавання користувача та його профілю).",[5197,11902,11903],{},"Коли операції взаємозалежні та не можуть виконуватися окремо.",[5266,11905,11906],{},[5229,11907,11908],{},"Коли НЕ використовувати транзакції?",[5194,11910,11911,11921],{},[5197,11912,11913,11914,5603,11916,5603,11918,11920],{},"Для одиночних операцій (",[5204,11915,7223],{},[5204,11917,7226],{},[5204,11919,7229],{},") — вони атомарні за замовчуванням.",[5197,11922,11923],{},"Для довготривалих операцій — транзакції блокують рядки, що знижує конкурентність.",[5258,11925],{},[5261,11927,11929],{"id":11928},"версіонування-схеми-бд-інструмент-golang-migrate","Версіонування схеми БД: інструмент golang-migrate",[5266,11931,11932],{},"У процесі розробки структура бази даних постійно змінюється: додаються нові таблиці, колонки, індекси, змінюються обмеження. Як керувати цими змінами та синхронізувати їх між розробниками та середовищами (розробка, тестування, продакшн)?",[5266,11934,11935,5306,11938,11941],{},[5229,11936,11937],{},"Міграції",[5270,11939,11940],{},"Migrations",") — це версіоновані SQL-скрипти, які описують зміни схеми бази даних. Кожна міграція має:",[5275,11943,11944,11950],{},[5197,11945,11946,11949],{},[5229,11947,11948],{},"UP-скрипт"," — застосовує зміну (наприклад, створює таблицю).",[5197,11951,11952,11955],{},[5229,11953,11954],{},"DOWN-скрипт"," — відкочує зміну (видаляє таблицю).",[5266,11957,11958,11959,11962],{},"Інструмент ",[5204,11960,11961],{},"golang-migrate"," автоматизує застосування та відкат міграцій.",[5615,11964,11966],{"id":11965},"встановлення-golang-migrate","Встановлення golang-migrate",[5919,11968,11969,11986,12009],{},[5922,11970,11972],{"label":11971},"macOS (Homebrew)",[5379,11973,11975],{"className":6077,"code":11974,"language":6079,"meta":5384,"style":5384},"brew install golang-migrate\n",[5204,11976,11977],{"__ignoreMap":5384},[5388,11978,11979,11981,11983],{"class":5390,"line":5391},[5388,11980,6181],{"class":6086},[5388,11982,6184],{"class":6038},[5388,11984,11985],{"class":6038}," golang-migrate\n",[5922,11987,11989],{"label":11988},"Go Install",[5379,11990,11992],{"className":6077,"code":11991,"language":6079,"meta":5384,"style":5384},"go install -tags 'postgres' github.com\u002Fgolang-migrate\u002Fmigrate\u002Fv4\u002Fcmd\u002Fmigrate@latest\n",[5204,11993,11994],{"__ignoreMap":5384},[5388,11995,11996,11998,12000,12003,12006],{"class":5390,"line":5391},[5388,11997,6232],{"class":6086},[5388,11999,6184],{"class":6038},[5388,12001,12002],{"class":6096}," -tags",[5388,12004,12005],{"class":6038}," 'postgres'",[5388,12007,12008],{"class":6038}," github.com\u002Fgolang-migrate\u002Fmigrate\u002Fv4\u002Fcmd\u002Fmigrate@latest\n",[5922,12010,12011],{"label":3077},[5379,12012,12014],{"className":6077,"code":12013,"language":6079,"meta":5384,"style":5384},"docker run -v $(pwd)\u002Fmigrations:\u002Fmigrations \\\n  --network host \\\n  migrate\u002Fmigrate \\\n  -path=\u002Fmigrations\u002F \\\n  -database postgres:\u002F\u002Fappuser:secretpass@localhost:5432\u002Fmyapp_db?sslmode=disable \\\n  up\n",[5204,12015,12016,12039,12049,12056,12063,12073],{"__ignoreMap":5384},[5388,12017,12018,12020,12022,12025,12028,12031,12034,12037],{"class":5390,"line":5391},[5388,12019,6087],{"class":6086},[5388,12021,6112],{"class":6038},[5388,12023,12024],{"class":6096}," -v",[5388,12026,12027],{"class":5946}," $(",[5388,12029,12030],{"class":6086},"pwd",[5388,12032,12033],{"class":5946},")",[5388,12035,12036],{"class":6038},"\u002Fmigrations:\u002Fmigrations",[5388,12038,6122],{"class":6121},[5388,12040,12041,12044,12047],{"class":5390,"line":5397},[5388,12042,12043],{"class":6096},"  --network",[5388,12045,12046],{"class":6038}," host",[5388,12048,6122],{"class":6121},[5388,12050,12051,12054],{"class":5390,"line":5403},[5388,12052,12053],{"class":6038},"  migrate\u002Fmigrate",[5388,12055,6122],{"class":6121},[5388,12057,12058,12061],{"class":5390,"line":5409},[5388,12059,12060],{"class":6096},"  -path=\u002Fmigrations\u002F",[5388,12062,6122],{"class":6121},[5388,12064,12065,12068,12071],{"class":5390,"line":5416},[5388,12066,12067],{"class":6096},"  -database",[5388,12069,12070],{"class":6038}," postgres:\u002F\u002Fappuser:secretpass@localhost:5432\u002Fmyapp_db?sslmode=disable",[5388,12072,6122],{"class":6121},[5388,12074,12075],{"class":5390,"line":5422},[5388,12076,12077],{"class":6038},"  up\n",[5615,12079,12081],{"id":12080},"створення-міграції","Створення міграції",[5266,12083,12084,12085,6786],{},"Створімо першу міграцію для таблиці ",[5204,12086,8643],{},[5379,12088,12090],{"className":6077,"code":12089,"language":6079,"meta":5384,"style":5384},"migrate create -ext sql -dir migrations -seq create_users_table\n",[5204,12091,12092],{"__ignoreMap":5384},[5388,12093,12094,12097,12100,12103,12106,12109,12112,12115],{"class":5390,"line":5391},[5388,12095,12096],{"class":6086},"migrate",[5388,12098,12099],{"class":6038}," create",[5388,12101,12102],{"class":6096}," -ext",[5388,12104,12105],{"class":6038}," sql",[5388,12107,12108],{"class":6096}," -dir",[5388,12110,12111],{"class":6038}," migrations",[5388,12113,12114],{"class":6096}," -seq",[5388,12116,12117],{"class":6038}," create_users_table\n",[5266,12119,12120],{},[5229,12121,12122],{},"Параметри:",[5194,12124,12125,12131,12137],{},[5197,12126,12127,12130],{},[5204,12128,12129],{},"-ext sql"," — розширення файлів (SQL).",[5197,12132,12133,12136],{},[5204,12134,12135],{},"-dir migrations"," — каталог для зберігання міграцій.",[5197,12138,12139,12142,12143,12146],{},[5204,12140,12141],{},"-seq"," — послідовна нумерація (альтернатива: ",[5204,12144,12145],{},"-timestamp"," для міток часу).",[5266,12148,12149],{},"Команда створить два файли:",[5379,12151,12154],{"className":12152,"code":12153,"language":6305},[6303],"migrations\u002F\n├── 000001_create_users_table.up.sql\n└── 000001_create_users_table.down.sql\n",[5204,12155,12153],{"__ignoreMap":5384},[5266,12157,12158,12164],{},[5229,12159,12160,12161],{},"Файл ",[5204,12162,12163],{},"000001_create_users_table.up.sql"," (застосування):",[5379,12166,12168],{"className":7357,"code":12167,"language":6528,"meta":5384,"style":5384},"CREATE TABLE users (\n    id SERIAL PRIMARY KEY,\n    email VARCHAR(255) UNIQUE NOT NULL,\n    password_hash VARCHAR(255) NOT NULL,\n    full_name VARCHAR(255) NOT NULL,\n    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP\n);\n\nCREATE INDEX idx_users_email ON users(email);\n",[5204,12169,12170,12181,12194,12217,12235,12252,12266,12271,12275],{"__ignoreMap":5384},[5388,12171,12172,12174,12177,12179],{"class":5390,"line":5391},[5388,12173,7220],{"class":6096},[5388,12175,12176],{"class":6096}," TABLE",[5388,12178,8502],{"class":6086},[5388,12180,6439],{"class":5946},[5388,12182,12183,12186,12189,12192],{"class":5390,"line":5397},[5388,12184,12185],{"class":5946},"    id ",[5388,12187,12188],{"class":6096},"SERIAL",[5388,12190,12191],{"class":6096}," PRIMARY KEY",[5388,12193,7693],{"class":5946},[5388,12195,12196,12199,12202,12204,12207,12209,12212,12215],{"class":5390,"line":5403},[5388,12197,12198],{"class":5946},"    email ",[5388,12200,12201],{"class":6096},"VARCHAR",[5388,12203,6399],{"class":5946},[5388,12205,12206],{"class":6853},"255",[5388,12208,7046],{"class":5946},[5388,12210,12211],{"class":6096},"UNIQUE",[5388,12213,12214],{"class":6096}," NOT NULL",[5388,12216,7693],{"class":5946},[5388,12218,12219,12222,12224,12226,12228,12230,12233],{"class":5390,"line":5409},[5388,12220,12221],{"class":5946},"    password_hash ",[5388,12223,12201],{"class":6096},[5388,12225,6399],{"class":5946},[5388,12227,12206],{"class":6853},[5388,12229,7046],{"class":5946},[5388,12231,12232],{"class":6096},"NOT NULL",[5388,12234,7693],{"class":5946},[5388,12236,12237,12240,12242,12244,12246,12248,12250],{"class":5390,"line":5416},[5388,12238,12239],{"class":5946},"    full_name ",[5388,12241,12201],{"class":6096},[5388,12243,6399],{"class":5946},[5388,12245,12206],{"class":6853},[5388,12247,7046],{"class":5946},[5388,12249,12232],{"class":6096},[5388,12251,7693],{"class":5946},[5388,12253,12254,12257,12260,12263],{"class":5390,"line":5422},[5388,12255,12256],{"class":5946},"    created_at ",[5388,12258,12259],{"class":6096},"TIMESTAMP",[5388,12261,12262],{"class":6096}," DEFAULT",[5388,12264,12265],{"class":5946}," CURRENT_TIMESTAMP\n",[5388,12267,12268],{"class":5390,"line":5428},[5388,12269,12270],{"class":5946},");\n",[5388,12272,12273],{"class":5390,"line":5434},[5388,12274,5413],{"emptyLinePlaceholder":5412},[5388,12276,12277,12279,12282,12285,12288],{"class":5390,"line":5439},[5388,12278,7220],{"class":6096},[5388,12280,12281],{"class":6096}," INDEX",[5388,12283,12284],{"class":6086}," idx_users_email",[5388,12286,12287],{"class":6096}," ON",[5388,12289,12290],{"class":5946}," users(email);\n",[5266,12292,12293,10872],{},[5229,12294,12160,12295],{},[5204,12296,12297],{},"000001_create_users_table.down.sql",[5379,12299,12301],{"className":7357,"code":12300,"language":6528,"meta":5384,"style":5384},"DROP INDEX IF EXISTS idx_users_email;\nDROP TABLE IF EXISTS users;\n",[5204,12302,12303,12319],{"__ignoreMap":5384},[5388,12304,12305,12308,12310,12313,12316],{"class":5390,"line":5391},[5388,12306,12307],{"class":6096},"DROP",[5388,12309,12281],{"class":6096},[5388,12311,12312],{"class":6096}," IF",[5388,12314,12315],{"class":6096}," EXISTS",[5388,12317,12318],{"class":5946}," idx_users_email;\n",[5388,12320,12321,12323,12325,12327,12329],{"class":5390,"line":5397},[5388,12322,12307],{"class":6096},[5388,12324,12176],{"class":6096},[5388,12326,12312],{"class":6096},[5388,12328,12315],{"class":6096},[5388,12330,12331],{"class":5946}," users;\n",[5615,12333,12335],{"id":12334},"застосування-міграцій","Застосування міграцій",[5266,12337,12338],{},"Для накату міграцій виконайте:",[5379,12340,12342],{"className":6077,"code":12341,"language":6079,"meta":5384,"style":5384},"migrate -path migrations \\\n  -database \"postgres:\u002F\u002Fappuser:secretpass@localhost:5432\u002Fmyapp_db?sslmode=disable\" \\\n  up\n",[5204,12343,12344,12355,12364],{"__ignoreMap":5384},[5388,12345,12346,12348,12351,12353],{"class":5390,"line":5391},[5388,12347,12096],{"class":6086},[5388,12349,12350],{"class":6096}," -path",[5388,12352,12111],{"class":6038},[5388,12354,6122],{"class":6121},[5388,12356,12357,12359,12362],{"class":5390,"line":5397},[5388,12358,12067],{"class":6096},[5388,12360,12361],{"class":6038}," \"postgres:\u002F\u002Fappuser:secretpass@localhost:5432\u002Fmyapp_db?sslmode=disable\"",[5388,12363,6122],{"class":6121},[5388,12365,12366],{"class":5390,"line":5403},[5388,12367,12077],{"class":6038},[5266,12369,12370],{},[5229,12371,12372],{},"Вивід:",[5379,12374,12377],{"className":12375,"code":12376,"language":6305},[6303],"000001_create_users_table.up.sql ... OK (25ms)\n",[5204,12378,12376],{"__ignoreMap":5384},[5266,12380,12381,12382,12385],{},"Інструмент створює службову таблицю ",[5204,12383,12384],{},"schema_migrations",", яка відстежує, які міграції вже застосовано:",[5379,12387,12389],{"className":7357,"code":12388,"language":6528,"meta":5384,"style":5384},"SELECT * FROM schema_migrations;\n",[5204,12390,12391],{"__ignoreMap":5384},[5388,12392,12393,12395,12397,12400],{"class":5390,"line":5391},[5388,12394,8328],{"class":6096},[5388,12396,6907],{"class":5946},[5388,12398,12399],{"class":6096},"FROM",[5388,12401,12402],{"class":5946}," schema_migrations;\n",[12404,12405,12406,12418],"table",{},[12407,12408,12409],"thead",{},[12410,12411,12412,12415],"tr",{},[12413,12414,5943],"th",{},[12413,12416,12417],{},"dirty",[12419,12420,12421],"tbody",{},[12410,12422,12423,12426],{},[12424,12425,7377],"td",{},[12424,12427,12428],{},"false",[5615,12430,12432],{"id":12431},"відкат-міграції","Відкат міграції",[5266,12434,12435],{},"Для відкату останньої міграції:",[5379,12437,12439],{"className":6077,"code":12438,"language":6079,"meta":5384,"style":5384},"migrate -path migrations \\\n  -database \"...\" \\\n  down 1\n",[5204,12440,12441,12451,12460],{"__ignoreMap":5384},[5388,12442,12443,12445,12447,12449],{"class":5390,"line":5391},[5388,12444,12096],{"class":6086},[5388,12446,12350],{"class":6096},[5388,12448,12111],{"class":6038},[5388,12450,6122],{"class":6121},[5388,12452,12453,12455,12458],{"class":5390,"line":5397},[5388,12454,12067],{"class":6096},[5388,12456,12457],{"class":6038}," \"...\"",[5388,12459,6122],{"class":6121},[5388,12461,12462,12465],{"class":5390,"line":5403},[5388,12463,12464],{"class":6038},"  down",[5388,12466,12467],{"class":6853}," 1\n",[5266,12469,12470],{},"Для скидання всіх міграцій:",[5379,12472,12474],{"className":6077,"code":12473,"language":6079,"meta":5384,"style":5384},"migrate -path migrations -database \"...\" down\n",[5204,12475,12476],{"__ignoreMap":5384},[5388,12477,12478,12480,12482,12484,12487,12489],{"class":5390,"line":5391},[5388,12479,12096],{"class":6086},[5388,12481,12350],{"class":6096},[5388,12483,12111],{"class":6038},[5388,12485,12486],{"class":6096}," -database",[5388,12488,12457],{"class":6038},[5388,12490,12491],{"class":6038}," down\n",[5580,12493,12494,12499],{},[5266,12495,12496],{},[5229,12497,12498],{},"Ніколи не редагуйте вже застосовані міграції!",[5266,12500,12501],{},"Якщо міграція вже накачена у продакшн, створіть нову міграцію для виправлення. Редагування старих міграцій порушить версіонування та призведе до розбіжностей між середовищами.",[5615,12503,12505],{"id":12504},"міграції-у-коді-go","Міграції у коді Go",[5266,12507,12508],{},"Можна вбудувати міграції у бінарний файл застосунку:",[5379,12510,12512],{"className":6376,"code":12511,"language":6232,"meta":5384,"style":5384},"package main\n\nimport (\n    \"database\u002Fsql\"\n    \"embed\"\n    \"log\"\n    \n    \"github.com\u002Fgolang-migrate\u002Fmigrate\u002Fv4\"\n    \"github.com\u002Fgolang-migrate\u002Fmigrate\u002Fv4\u002Fdatabase\u002Fpostgres\"\n    \"github.com\u002Fgolang-migrate\u002Fmigrate\u002Fv4\u002Fsource\u002Fiofs\"\n    _ \"github.com\u002Fjackc\u002Fpgx\u002Fv5\u002Fstdlib\"\n)\n\n\u002F\u002Fgo:embed migrations\u002F*.sql\nvar migrationsFS embed.FS\n\nfunc runMigrations(db *sql.DB) error {\n    driver, err := postgres.WithInstance(db, &postgres.Config{})\n    if err != nil {\n        return err\n    }\n    \n    source, err := iofs.New(migrationsFS, \"migrations\")\n    if err != nil {\n        return err\n    }\n    \n    m, err := migrate.NewWithInstance(\"iofs\", source, \"postgres\", driver)\n    if err != nil {\n        return err\n    }\n    \n    if err := m.Up(); err != nil && err != migrate.ErrNoChange {\n        return err\n    }\n    \n    log.Println(\"✅ Міграції застосовано\")\n    return nil\n}\n",[5204,12513,12514,12520,12524,12530,12534,12539,12543,12547,12552,12557,12562,12568,12572,12576,12581,12596,12600,12625,12660,12672,12678,12682,12686,12717,12729,12735,12739,12743,12782,12794,12800,12804,12808,12848,12854,12858,12862,12877,12883],{"__ignoreMap":5384},[5388,12515,12516,12518],{"class":5390,"line":5391},[5388,12517,6422],{"class":6096},[5388,12519,6426],{"class":6425},[5388,12521,12522],{"class":5390,"line":5397},[5388,12523,5413],{"emptyLinePlaceholder":5412},[5388,12525,12526,12528],{"class":5390,"line":5403},[5388,12527,6436],{"class":6435},[5388,12529,6439],{"class":5946},[5388,12531,12532],{"class":5390,"line":5409},[5388,12533,6444],{"class":6038},[5388,12535,12536],{"class":5390,"line":5416},[5388,12537,12538],{"class":6038},"    \"embed\"\n",[5388,12540,12541],{"class":5390,"line":5422},[5388,12542,6454],{"class":6038},[5388,12544,12545],{"class":5390,"line":5428},[5388,12546,6459],{"class":5946},[5388,12548,12549],{"class":5390,"line":5434},[5388,12550,12551],{"class":6038},"    \"github.com\u002Fgolang-migrate\u002Fmigrate\u002Fv4\"\n",[5388,12553,12554],{"class":5390,"line":5439},[5388,12555,12556],{"class":6038},"    \"github.com\u002Fgolang-migrate\u002Fmigrate\u002Fv4\u002Fdatabase\u002Fpostgres\"\n",[5388,12558,12559],{"class":5390,"line":5445},[5388,12560,12561],{"class":6038},"    \"github.com\u002Fgolang-migrate\u002Fmigrate\u002Fv4\u002Fsource\u002Fiofs\"\n",[5388,12563,12564,12566],{"class":5390,"line":5451},[5388,12565,6464],{"class":6384},[5388,12567,6725],{"class":6038},[5388,12569,12570],{"class":5390,"line":5456},[5388,12571,6405],{"class":5946},[5388,12573,12574],{"class":5390,"line":5462},[5388,12575,5413],{"emptyLinePlaceholder":5412},[5388,12577,12578],{"class":5390,"line":5468},[5388,12579,12580],{"class":5936},"\u002F\u002Fgo:embed migrations\u002F*.sql\n",[5388,12582,12583,12585,12588,12591,12593],{"class":5390,"line":5474},[5388,12584,10649],{"class":6096},[5388,12586,12587],{"class":6384}," migrationsFS",[5388,12589,12590],{"class":6425}," embed",[5388,12592,5555],{"class":5946},[5388,12594,12595],{"class":6425},"FS\n",[5388,12597,12598],{"class":5390,"line":5480},[5388,12599,5413],{"emptyLinePlaceholder":5412},[5388,12601,12602,12604,12607,12609,12611,12613,12615,12617,12619,12621,12623],{"class":5390,"line":5486},[5388,12603,6483],{"class":6096},[5388,12605,12606],{"class":6086}," runMigrations",[5388,12608,6399],{"class":5946},[5388,12610,6629],{"class":6384},[5388,12612,7036],{"class":5946},[5388,12614,6528],{"class":6425},[5388,12616,5555],{"class":5946},[5388,12618,7043],{"class":6425},[5388,12620,7046],{"class":5946},[5388,12622,7049],{"class":6425},[5388,12624,6561],{"class":5946},[5388,12626,12627,12630,12632,12634,12636,12639,12641,12644,12646,12648,12650,12652,12654,12657],{"class":5390,"line":5491},[5388,12628,12629],{"class":6384},"    driver",[5388,12631,5603],{"class":5946},[5388,12633,6523],{"class":6384},[5388,12635,6388],{"class":5946},[5388,12637,12638],{"class":6384},"postgres",[5388,12640,5555],{"class":5946},[5388,12642,12643],{"class":6086},"WithInstance",[5388,12645,6399],{"class":5946},[5388,12647,6629],{"class":6384},[5388,12649,8559],{"class":5946},[5388,12651,12638],{"class":6425},[5388,12653,5555],{"class":5946},[5388,12655,12656],{"class":6425},"Config",[5388,12658,12659],{"class":5946},"{})\n",[5388,12661,12662,12664,12666,12668,12670],{"class":5390,"line":5497},[5388,12663,6549],{"class":6435},[5388,12665,6552],{"class":6384},[5388,12667,6555],{"class":5946},[5388,12669,6558],{"class":6096},[5388,12671,6561],{"class":5946},[5388,12673,12674,12676],{"class":5390,"line":5502},[5388,12675,7146],{"class":6435},[5388,12677,7285],{"class":6384},[5388,12679,12680],{"class":5390,"line":5508},[5388,12681,6593],{"class":5946},[5388,12683,12684],{"class":5390,"line":5513},[5388,12685,6459],{"class":5946},[5388,12687,12688,12691,12693,12695,12697,12700,12702,12705,12707,12710,12712,12715],{"class":5390,"line":5518},[5388,12689,12690],{"class":6384},"    source",[5388,12692,5603],{"class":5946},[5388,12694,6523],{"class":6384},[5388,12696,6388],{"class":5946},[5388,12698,12699],{"class":6384},"iofs",[5388,12701,5555],{"class":5946},[5388,12703,12704],{"class":6086},"New",[5388,12706,6399],{"class":5946},[5388,12708,12709],{"class":6384},"migrationsFS",[5388,12711,5603],{"class":5946},[5388,12713,12714],{"class":6038},"\"migrations\"",[5388,12716,6405],{"class":5946},[5388,12718,12719,12721,12723,12725,12727],{"class":5390,"line":5524},[5388,12720,6549],{"class":6435},[5388,12722,6552],{"class":6384},[5388,12724,6555],{"class":5946},[5388,12726,6558],{"class":6096},[5388,12728,6561],{"class":5946},[5388,12730,12731,12733],{"class":5390,"line":5530},[5388,12732,7146],{"class":6435},[5388,12734,7285],{"class":6384},[5388,12736,12737],{"class":5390,"line":5535},[5388,12738,6593],{"class":5946},[5388,12740,12741],{"class":5390,"line":5803},[5388,12742,6459],{"class":5946},[5388,12744,12745,12748,12750,12752,12754,12756,12758,12761,12763,12766,12768,12771,12773,12776,12778,12780],{"class":5390,"line":5808},[5388,12746,12747],{"class":6384},"    m",[5388,12749,5603],{"class":5946},[5388,12751,6523],{"class":6384},[5388,12753,6388],{"class":5946},[5388,12755,12096],{"class":6384},[5388,12757,5555],{"class":5946},[5388,12759,12760],{"class":6086},"NewWithInstance",[5388,12762,6399],{"class":5946},[5388,12764,12765],{"class":6038},"\"iofs\"",[5388,12767,5603],{"class":5946},[5388,12769,12770],{"class":6384},"source",[5388,12772,5603],{"class":5946},[5388,12774,12775],{"class":6038},"\"postgres\"",[5388,12777,5603],{"class":5946},[5388,12779,5671],{"class":6384},[5388,12781,6405],{"class":5946},[5388,12783,12784,12786,12788,12790,12792],{"class":5390,"line":7649},[5388,12785,6549],{"class":6435},[5388,12787,6552],{"class":6384},[5388,12789,6555],{"class":5946},[5388,12791,6558],{"class":6096},[5388,12793,6561],{"class":5946},[5388,12795,12796,12798],{"class":5390,"line":7654},[5388,12797,7146],{"class":6435},[5388,12799,7285],{"class":6384},[5388,12801,12802],{"class":5390,"line":7659},[5388,12803,6593],{"class":5946},[5388,12805,12806],{"class":5390,"line":7665},[5388,12807,6459],{"class":5946},[5388,12809,12810,12812,12814,12816,12819,12821,12824,12826,12828,12830,12832,12835,12837,12839,12841,12843,12846],{"class":5390,"line":7696},[5388,12811,6549],{"class":6435},[5388,12813,6552],{"class":6384},[5388,12815,6388],{"class":5946},[5388,12817,12818],{"class":6384},"m",[5388,12820,5555],{"class":5946},[5388,12822,12823],{"class":6086},"Up",[5388,12825,6637],{"class":5946},[5388,12827,6523],{"class":6384},[5388,12829,6555],{"class":5946},[5388,12831,6558],{"class":6096},[5388,12833,12834],{"class":5946}," && ",[5388,12836,6523],{"class":6384},[5388,12838,6555],{"class":5946},[5388,12840,12096],{"class":6384},[5388,12842,5555],{"class":5946},[5388,12844,12845],{"class":6384},"ErrNoChange",[5388,12847,6561],{"class":5946},[5388,12849,12850,12852],{"class":5390,"line":7709},[5388,12851,7146],{"class":6435},[5388,12853,7285],{"class":6384},[5388,12855,12856],{"class":5390,"line":7721},[5388,12857,6593],{"class":5946},[5388,12859,12860],{"class":5390,"line":7733},[5388,12861,6459],{"class":5946},[5388,12863,12864,12866,12868,12870,12872,12875],{"class":5390,"line":7754},[5388,12865,9869],{"class":6384},[5388,12867,5555],{"class":5946},[5388,12869,6686],{"class":6086},[5388,12871,6399],{"class":5946},[5388,12873,12874],{"class":6038},"\"✅ Міграції застосовано\"",[5388,12876,6405],{"class":5946},[5388,12878,12879,12881],{"class":5390,"line":7759},[5388,12880,7198],{"class":6435},[5388,12882,7201],{"class":6096},[5388,12884,12885],{"class":5390,"line":7772},[5388,12886,5711],{"class":5946},[5266,12888,12889],{},"Тепер міграції автоматично застосовуються при старті застосунку.",[5258,12891],{},[5261,12893,12895],{"id":12894},"обєктно-реляційне-відображення-технологія-orm","Об'єктно-реляційне відображення: технологія ORM",[5266,12897,12898],{},"Досі ми писали SQL-запити вручну. Це надає повний контроль, але має недоліки:",[5275,12900,12901,12907,12917],{},[5197,12902,12903,12906],{},[5229,12904,12905],{},"Багато шаблонного коду:"," кожна операція вимагає написання SQL, передачі параметрів та сканування результатів.",[5197,12908,12909,12912,12913,12916],{},[5229,12910,12911],{},"Помилки у SQL не виявляються на етапі компіляції:"," друкарська помилка у ",[5204,12914,12915],{},"SELECT * FORM users"," спричинить runtime-помилку.",[5197,12918,12919,12922,12923,12926],{},[5229,12920,12921],{},"Складність підтримки зв'язків:"," робота з foreign keys (зовнішніми ключами), вкладеними об'єктами та з'єднаннями (",[5270,12924,12925],{},"JOIN",") вимагає значних зусиль.",[5266,12928,12929,5306,12931,12934],{},[5229,12930,10736],{},[5270,12932,12933],{},"Object-Relational Mapping"," — об'єктно-реляційне відображення) — це підхід, при якому таблиці бази даних автоматично відображаються на структури Go, а операції виконуються через методи цих структур замість написання SQL.",[5615,12936,12938],{"id":12937},"концепція-orm-на-прикладі","Концепція ORM на прикладі",[5266,12940,12941],{},[5229,12942,12943],{},"Без ORM (чистий SQL):",[5379,12945,12947],{"className":6376,"code":12946,"language":6232,"meta":5384,"style":5384},"query := \"INSERT INTO users (email, full_name) VALUES ($1, $2) RETURNING id\"\nerr := db.QueryRow(query, user.Email, user.FullName).Scan(&user.ID)\n",[5204,12948,12949,12958],{"__ignoreMap":5384},[5388,12950,12951,12953,12955],{"class":5390,"line":5391},[5388,12952,7127],{"class":6384},[5388,12954,6388],{"class":5946},[5388,12956,12957],{"class":6038},"\"INSERT INTO users (email, full_name) VALUES ($1, $2) RETURNING id\"\n",[5388,12959,12960,12962,12964,12966,12968,12970,12972,12974,12976,12978,12980,12982,12984,12986,12988,12990,12992,12994,12996,12998,13000,13002],{"class":5390,"line":5397},[5388,12961,6523],{"class":6384},[5388,12963,6388],{"class":5946},[5388,12965,6629],{"class":6384},[5388,12967,5555],{"class":5946},[5388,12969,10238],{"class":6086},[5388,12971,6399],{"class":5946},[5388,12973,7127],{"class":6384},[5388,12975,5603],{"class":5946},[5388,12977,7612],{"class":6384},[5388,12979,5555],{"class":5946},[5388,12981,7704],{"class":6384},[5388,12983,5603],{"class":5946},[5388,12985,7612],{"class":6384},[5388,12987,5555],{"class":5946},[5388,12989,7728],{"class":6384},[5388,12991,5827],{"class":5946},[5388,12993,7739],{"class":6086},[5388,12995,7742],{"class":5946},[5388,12997,7612],{"class":6384},[5388,12999,5555],{"class":5946},[5388,13001,7749],{"class":6384},[5388,13003,6405],{"class":5946},[5266,13005,13006],{},[5229,13007,13008],{},"З ORM (GORM):",[5379,13010,13012],{"className":6376,"code":13011,"language":6232,"meta":5384,"style":5384},"db.Create(&user) \u002F\u002F Автоматично генерує INSERT та присвоює ID\n",[5204,13013,13014],{"__ignoreMap":5384},[5388,13015,13016,13018,13020,13022,13024,13026,13028],{"class":5390,"line":5391},[5388,13017,6629],{"class":6384},[5388,13019,5555],{"class":5946},[5388,13021,7594],{"class":6086},[5388,13023,7742],{"class":5946},[5388,13025,7612],{"class":6384},[5388,13027,7046],{"class":5946},[5388,13029,13030],{"class":5936},"\u002F\u002F Автоматично генерує INSERT та присвоює ID\n",[5266,13032,13033],{},"ORM автоматично:",[5194,13035,13036,13039,13042],{},[5197,13037,13038],{},"Формує SQL-запити на основі структури.",[5197,13040,13041],{},"Відображає поля структури на колонки таблиці.",[5197,13043,13044],{},"Обробляє зв'язки між таблицями (1:1, 1:N, N:M).",[5350,13046,13047,13052,13097],{},[5266,13048,13049],{},[5229,13050,13051],{},"Найпопулярніші ORM для Go:",[5275,13053,13054,13064,13075,13086],{},[5197,13055,13056,5306,13058,13063],{},[5229,13057,10732],{},[5857,13059,13062],{"href":13060,"rel":13061},"https:\u002F\u002Fgorm.io",[5861],"gorm.io",") — найпоширеніша бібліотека, багато функцій, активна підтримка.",[5197,13065,13066,5306,13069,13074],{},[5229,13067,13068],{},"ent",[5857,13070,13073],{"href":13071,"rel":13072},"https:\u002F\u002Fentgo.io",[5861],"entgo.io",") — кодогенерація на основі схем, type-safe API, розроблена Facebook.",[5197,13076,13077,5306,13080,13085],{},[5229,13078,13079],{},"Bun",[5857,13081,13084],{"href":13082,"rel":13083},"https:\u002F\u002Fbun.uptrace.dev",[5861],"bun.uptrace.dev",") — швидка, мінімалістична ORM.",[5197,13087,13088,5306,13091,13096],{},[5229,13089,13090],{},"sqlc",[5857,13092,13095],{"href":13093,"rel":13094},"https:\u002F\u002Fsqlc.dev",[5861],"sqlc.dev",") — генерує type-safe код Go із чистих SQL-запитів (гібридний підхід).",[5266,13098,5898,13099,13101],{},[5229,13100,10732],{},", оскільки це промисловий стандарт де-факто у Go-екосистемі.",[5258,13103],{},[5261,13105,13107],{"id":13106},"робота-з-gorm-основи","Робота з GORM: основи",[5615,13109,13111],{"id":13110},"встановлення-gorm-та-драйвера-postgresql","Встановлення GORM та драйвера PostgreSQL",[5919,13113,13114],{},[5922,13115,13116],{"label":6222},[5379,13117,13119],{"className":6077,"code":13118,"language":6079,"meta":5384,"style":5384},"go get -u gorm.io\u002Fgorm\ngo get -u gorm.io\u002Fdriver\u002Fpostgres\n",[5204,13120,13121,13133],{"__ignoreMap":5384},[5388,13122,13123,13125,13127,13130],{"class":5390,"line":5391},[5388,13124,6232],{"class":6086},[5388,13126,6235],{"class":6038},[5388,13128,13129],{"class":6096}," -u",[5388,13131,13132],{"class":6038}," gorm.io\u002Fgorm\n",[5388,13134,13135,13137,13139,13141],{"class":5390,"line":5397},[5388,13136,6232],{"class":6086},[5388,13138,6235],{"class":6038},[5388,13140,13129],{"class":6096},[5388,13142,13143],{"class":6038}," gorm.io\u002Fdriver\u002Fpostgres\n",[5615,13145,13147],{"id":13146},"підключення-до-postgresql-через-gorm","Підключення до PostgreSQL через GORM",[5379,13149,13151],{"className":6376,"code":13150,"language":6232,"meta":5384,"style":5384},"package main\n\nimport (\n    \"log\"\n    \n    \"gorm.io\u002Fdriver\u002Fpostgres\"\n    \"gorm.io\u002Fgorm\"\n)\n\nfunc main() {\n    dsn := \"host=localhost user=appuser password=secretpass dbname=myapp_db port=5432 sslmode=disable\"\n    \n    db, err := gorm.Open(postgres.Open(dsn), &gorm.Config{})\n    if err != nil {\n        log.Fatalf(\"Не вдалося підключитися до бази даних: %v\", err)\n    }\n    \n    log.Println(\"✅ Підключення до PostgreSQL через GORM успішне\")\n}\n",[5204,13152,13153,13159,13163,13169,13173,13177,13182,13187,13191,13195,13203,13212,13216,13256,13268,13291,13295,13299,13314],{"__ignoreMap":5384},[5388,13154,13155,13157],{"class":5390,"line":5391},[5388,13156,6422],{"class":6096},[5388,13158,6426],{"class":6425},[5388,13160,13161],{"class":5390,"line":5397},[5388,13162,5413],{"emptyLinePlaceholder":5412},[5388,13164,13165,13167],{"class":5390,"line":5403},[5388,13166,6436],{"class":6435},[5388,13168,6439],{"class":5946},[5388,13170,13171],{"class":5390,"line":5409},[5388,13172,6454],{"class":6038},[5388,13174,13175],{"class":5390,"line":5416},[5388,13176,6459],{"class":5946},[5388,13178,13179],{"class":5390,"line":5422},[5388,13180,13181],{"class":6038},"    \"gorm.io\u002Fdriver\u002Fpostgres\"\n",[5388,13183,13184],{"class":5390,"line":5428},[5388,13185,13186],{"class":6038},"    \"gorm.io\u002Fgorm\"\n",[5388,13188,13189],{"class":5390,"line":5434},[5388,13190,6405],{"class":5946},[5388,13192,13193],{"class":5390,"line":5439},[5388,13194,5413],{"emptyLinePlaceholder":5412},[5388,13196,13197,13199,13201],{"class":5390,"line":5445},[5388,13198,6483],{"class":6096},[5388,13200,6486],{"class":6086},[5388,13202,6489],{"class":5946},[5388,13204,13205,13207,13209],{"class":5390,"line":5451},[5388,13206,6499],{"class":6384},[5388,13208,6388],{"class":5946},[5388,13210,13211],{"class":6038},"\"host=localhost user=appuser password=secretpass dbname=myapp_db port=5432 sslmode=disable\"\n",[5388,13213,13214],{"class":5390,"line":5456},[5388,13215,6459],{"class":5946},[5388,13217,13218,13220,13222,13224,13226,13229,13231,13233,13235,13237,13239,13241,13243,13245,13248,13250,13252,13254],{"class":5390,"line":5462},[5388,13219,6518],{"class":6384},[5388,13221,5603],{"class":5946},[5388,13223,6523],{"class":6384},[5388,13225,6388],{"class":5946},[5388,13227,13228],{"class":6384},"gorm",[5388,13230,5555],{"class":5946},[5388,13232,6533],{"class":6086},[5388,13234,6399],{"class":5946},[5388,13236,12638],{"class":6384},[5388,13238,5555],{"class":5946},[5388,13240,6533],{"class":6086},[5388,13242,6399],{"class":5946},[5388,13244,6385],{"class":6384},[5388,13246,13247],{"class":5946},"), &",[5388,13249,13228],{"class":6425},[5388,13251,5555],{"class":5946},[5388,13253,12656],{"class":6425},[5388,13255,12659],{"class":5946},[5388,13257,13258,13260,13262,13264,13266],{"class":5390,"line":5468},[5388,13259,6549],{"class":6435},[5388,13261,6552],{"class":6384},[5388,13263,6555],{"class":5946},[5388,13265,6558],{"class":6096},[5388,13267,6561],{"class":5946},[5388,13269,13270,13272,13274,13276,13278,13281,13283,13285,13287,13289],{"class":5390,"line":5474},[5388,13271,6566],{"class":6384},[5388,13273,5555],{"class":5946},[5388,13275,6571],{"class":6086},[5388,13277,6399],{"class":5946},[5388,13279,13280],{"class":6038},"\"Не вдалося підключитися до бази даних: ",[5388,13282,6579],{"class":6384},[5388,13284,6582],{"class":6038},[5388,13286,5603],{"class":5946},[5388,13288,6523],{"class":6384},[5388,13290,6405],{"class":5946},[5388,13292,13293],{"class":5390,"line":5480},[5388,13294,6593],{"class":5946},[5388,13296,13297],{"class":5390,"line":5486},[5388,13298,6459],{"class":5946},[5388,13300,13301,13303,13305,13307,13309,13312],{"class":5390,"line":5491},[5388,13302,9869],{"class":6384},[5388,13304,5555],{"class":5946},[5388,13306,6686],{"class":6086},[5388,13308,6399],{"class":5946},[5388,13310,13311],{"class":6038},"\"✅ Підключення до PostgreSQL через GORM успішне\"",[5388,13313,6405],{"class":5946},[5388,13315,13316],{"class":5390,"line":5497},[5388,13317,5711],{"class":5946},[5266,13319,13320],{},[5229,13321,13322,13323,6786],{},"Відмінність від ",[5204,13324,5206],{},[5194,13326,13327,13336],{},[5197,13328,13329,13330,13333,13334,5555],{},"GORM повертає об'єкт ",[5204,13331,13332],{},"*gorm.DB",", а не ",[5204,13335,6755],{},[5197,13337,13338,13341,13342,13344],{},[5204,13339,13340],{},"gorm.DB"," обгортає стандартний ",[5204,13343,6755],{}," та надає високорівневий API.",[5615,13346,13348],{"id":13347},"визначення-моделей-структур","Визначення моделей (структур)",[5266,13350,13351,13354],{},[5229,13352,13353],{},"Модель"," у GORM — це звичайна структура Go з тегами, що описують відображення на таблицю:",[5379,13356,13358],{"className":6376,"code":13357,"language":6232,"meta":5384,"style":5384},"package model\n\nimport (\n    \"time\"\n    \"gorm.io\u002Fgorm\"\n)\n\ntype User struct {\n    ID           uint           `gorm:\"primaryKey\"`\n    Email        string         `gorm:\"uniqueIndex;not null\"`\n    PasswordHash string         `gorm:\"not null\"`\n    FullName     string         `gorm:\"not null\"`\n    CreatedAt    time.Time\n    UpdatedAt    time.Time\n    DeletedAt    gorm.DeletedAt `gorm:\"index\"` \u002F\u002F Soft Delete\n}\n\n\u002F\u002F TableName перевизначає назву таблиці (за замовчуванням: \"users\")\nfunc (User) TableName() string {\n    return \"users\"\n}\n",[5204,13359,13360,13367,13371,13377,13382,13386,13390,13394,13404,13414,13423,13432,13440,13451,13462,13481,13485,13489,13494,13514,13521],{"__ignoreMap":5384},[5388,13361,13362,13364],{"class":5390,"line":5391},[5388,13363,6422],{"class":6096},[5388,13365,13366],{"class":6425}," model\n",[5388,13368,13369],{"class":5390,"line":5397},[5388,13370,5413],{"emptyLinePlaceholder":5412},[5388,13372,13373,13375],{"class":5390,"line":5403},[5388,13374,6436],{"class":6435},[5388,13376,6439],{"class":5946},[5388,13378,13379],{"class":5390,"line":5409},[5388,13380,13381],{"class":6038},"    \"time\"\n",[5388,13383,13384],{"class":5390,"line":5416},[5388,13385,13186],{"class":6038},[5388,13387,13388],{"class":5390,"line":5422},[5388,13389,6405],{"class":5946},[5388,13391,13392],{"class":5390,"line":5428},[5388,13393,5413],{"emptyLinePlaceholder":5412},[5388,13395,13396,13398,13400,13402],{"class":5390,"line":5434},[5388,13397,7440],{"class":6096},[5388,13399,7443],{"class":6425},[5388,13401,7446],{"class":6096},[5388,13403,6561],{"class":5946},[5388,13405,13406,13408,13411],{"class":5390,"line":5439},[5388,13407,7453],{"class":6384},[5388,13409,13410],{"class":6425},"           uint",[5388,13412,13413],{"class":6038},"           `gorm:\"primaryKey\"`\n",[5388,13415,13416,13418,13420],{"class":5390,"line":5445},[5388,13417,7461],{"class":6384},[5388,13419,9925],{"class":6425},[5388,13421,13422],{"class":6038},"         `gorm:\"uniqueIndex;not null\"`\n",[5388,13424,13425,13427,13429],{"class":5390,"line":5451},[5388,13426,7469],{"class":6384},[5388,13428,9935],{"class":6425},[5388,13430,13431],{"class":6038},"         `gorm:\"not null\"`\n",[5388,13433,13434,13436,13438],{"class":5390,"line":5456},[5388,13435,7477],{"class":6384},[5388,13437,9945],{"class":6425},[5388,13439,13431],{"class":6038},[5388,13441,13442,13444,13446,13448],{"class":5390,"line":5462},[5388,13443,9953],{"class":6384},[5388,13445,9956],{"class":6425},[5388,13447,5555],{"class":5946},[5388,13449,13450],{"class":6425},"Time\n",[5388,13452,13453,13456,13458,13460],{"class":5390,"line":5468},[5388,13454,13455],{"class":6384},"    UpdatedAt",[5388,13457,9956],{"class":6425},[5388,13459,5555],{"class":5946},[5388,13461,13450],{"class":6425},[5388,13463,13464,13467,13470,13472,13475,13478],{"class":5390,"line":5474},[5388,13465,13466],{"class":6384},"    DeletedAt",[5388,13468,13469],{"class":6425},"    gorm",[5388,13471,5555],{"class":5946},[5388,13473,13474],{"class":6425},"DeletedAt",[5388,13476,13477],{"class":6038}," `gorm:\"index\"`",[5388,13479,13480],{"class":5936}," \u002F\u002F Soft Delete\n",[5388,13482,13483],{"class":5390,"line":5480},[5388,13484,5711],{"class":5946},[5388,13486,13487],{"class":5390,"line":5486},[5388,13488,5413],{"emptyLinePlaceholder":5412},[5388,13490,13491],{"class":5390,"line":5491},[5388,13492,13493],{"class":5936},"\u002F\u002F TableName перевизначає назву таблиці (за замовчуванням: \"users\")\n",[5388,13495,13496,13498,13500,13502,13504,13507,13509,13512],{"class":5390,"line":5497},[5388,13497,6483],{"class":6096},[5388,13499,5306],{"class":5946},[5388,13501,7617],{"class":6425},[5388,13503,7046],{"class":5946},[5388,13505,13506],{"class":6086},"TableName",[5388,13508,7314],{"class":5946},[5388,13510,13511],{"class":6425},"string",[5388,13513,6561],{"class":5946},[5388,13515,13516,13518],{"class":5390,"line":5502},[5388,13517,7198],{"class":6435},[5388,13519,13520],{"class":6038}," \"users\"\n",[5388,13522,13523],{"class":5390,"line":5508},[5388,13524,5711],{"class":5946},[5266,13526,13527],{},[5229,13528,13529],{},"Теги GORM:",[5194,13531,13532,13538,13544,13553,13559],{},[5197,13533,13534,13537],{},[5204,13535,13536],{},"primaryKey"," — первинний ключ.",[5197,13539,13540,13543],{},[5204,13541,13542],{},"uniqueIndex"," — унікальний індекс.",[5197,13545,13546,13549,13550,5555],{},[5204,13547,13548],{},"not null"," — поле не може бути ",[5204,13551,13552],{},"NULL",[5197,13554,13555,13558],{},[5204,13556,13557],{},"index"," — створити звичайний індекс.",[5197,13560,13561,13564],{},[5204,13562,13563],{},"default:'value'"," — значення за замовчуванням.",[5266,13566,13567],{},[5229,13568,13569],{},"Спеціальні поля:",[5194,13571,13572,13580],{},[5197,13573,13574,5603,13576,13579],{},[5204,13575,10312],{},[5204,13577,13578],{},"UpdatedAt"," — автоматично заповнюються при створенні\u002Fоновленні.",[5197,13581,13582,13584,13585,13588],{},[5204,13583,13474],{}," — реалізує ",[5270,13586,13587],{},"soft delete"," (запис не видаляється, а помічається видаленим).",[5615,13590,13592],{"id":13591},"автоматична-міграція","Автоматична міграція",[5266,13594,13595],{},"GORM може автоматично створювати або змінювати таблиці на основі структур:",[5379,13597,13599],{"className":6376,"code":13598,"language":6232,"meta":5384,"style":5384},"func main() {\n    db, _ := gorm.Open(postgres.Open(dsn), &gorm.Config{})\n    \n    \u002F\u002F Автоматично створити\u002Fоновити таблицю users\n    if err := db.AutoMigrate(&model.User{}); err != nil {\n        log.Fatalf(\"Помилка міграції: %v\", err)\n    }\n    \n    log.Println(\"✅ Міграція виконана\")\n}\n",[5204,13600,13601,13609,13647,13651,13656,13691,13714,13718,13722,13737],{"__ignoreMap":5384},[5388,13602,13603,13605,13607],{"class":5390,"line":5391},[5388,13604,6483],{"class":6096},[5388,13606,6486],{"class":6086},[5388,13608,6489],{"class":5946},[5388,13610,13611,13613,13615,13617,13619,13621,13623,13625,13627,13629,13631,13633,13635,13637,13639,13641,13643,13645],{"class":5390,"line":5397},[5388,13612,6518],{"class":6384},[5388,13614,5603],{"class":5946},[5388,13616,6712],{"class":6384},[5388,13618,6388],{"class":5946},[5388,13620,13228],{"class":6384},[5388,13622,5555],{"class":5946},[5388,13624,6533],{"class":6086},[5388,13626,6399],{"class":5946},[5388,13628,12638],{"class":6384},[5388,13630,5555],{"class":5946},[5388,13632,6533],{"class":6086},[5388,13634,6399],{"class":5946},[5388,13636,6385],{"class":6384},[5388,13638,13247],{"class":5946},[5388,13640,13228],{"class":6425},[5388,13642,5555],{"class":5946},[5388,13644,12656],{"class":6425},[5388,13646,12659],{"class":5946},[5388,13648,13649],{"class":5390,"line":5403},[5388,13650,6459],{"class":5946},[5388,13652,13653],{"class":5390,"line":5409},[5388,13654,13655],{"class":5936},"    \u002F\u002F Автоматично створити\u002Fоновити таблицю users\n",[5388,13657,13658,13660,13662,13664,13666,13668,13671,13673,13676,13678,13680,13683,13685,13687,13689],{"class":5390,"line":5416},[5388,13659,6549],{"class":6435},[5388,13661,6552],{"class":6384},[5388,13663,6388],{"class":5946},[5388,13665,6629],{"class":6384},[5388,13667,5555],{"class":5946},[5388,13669,13670],{"class":6086},"AutoMigrate",[5388,13672,7742],{"class":5946},[5388,13674,13675],{"class":6425},"model",[5388,13677,5555],{"class":5946},[5388,13679,7617],{"class":6425},[5388,13681,13682],{"class":5946},"{}); ",[5388,13684,6523],{"class":6384},[5388,13686,6555],{"class":5946},[5388,13688,6558],{"class":6096},[5388,13690,6561],{"class":5946},[5388,13692,13693,13695,13697,13699,13701,13704,13706,13708,13710,13712],{"class":5390,"line":5422},[5388,13694,6566],{"class":6384},[5388,13696,5555],{"class":5946},[5388,13698,6571],{"class":6086},[5388,13700,6399],{"class":5946},[5388,13702,13703],{"class":6038},"\"Помилка міграції: ",[5388,13705,6579],{"class":6384},[5388,13707,6582],{"class":6038},[5388,13709,5603],{"class":5946},[5388,13711,6523],{"class":6384},[5388,13713,6405],{"class":5946},[5388,13715,13716],{"class":5390,"line":5428},[5388,13717,6593],{"class":5946},[5388,13719,13720],{"class":5390,"line":5434},[5388,13721,6459],{"class":5946},[5388,13723,13724,13726,13728,13730,13732,13735],{"class":5390,"line":5439},[5388,13725,9869],{"class":6384},[5388,13727,5555],{"class":5946},[5388,13729,6686],{"class":6086},[5388,13731,6399],{"class":5946},[5388,13733,13734],{"class":6038},"\"✅ Міграція виконана\"",[5388,13736,6405],{"class":5946},[5388,13738,13739],{"class":5390,"line":5445},[5388,13740,5711],{"class":5946},[5580,13742,13743,13751],{},[5266,13744,13745,13750],{},[5229,13746,13747,13749],{},[5204,13748,13670],{}," безпечна лише для додавання нових колонок."," Вона НЕ видаляє колонки, не змінює типи даних та не видаляє таблиці.",[5266,13752,13753,13754,13756],{},"У продакшн-середовищі краще використовувати ",[5204,13755,11961],{}," для контрольованих змін схеми.",[5615,13758,13760],{"id":13759},"базові-операції-crud-у-gorm","Базові операції CRUD у GORM",[13762,13763,13765],"h4",{"id":13764},"створення-запису-create","Створення запису (Create)",[5379,13767,13769],{"className":6376,"code":13768,"language":6232,"meta":5384,"style":5384},"user := model.User{\n    Email:        \"alice@example.com\",\n    PasswordHash: \"hashed_password\",\n    FullName:     \"Alice Johnson\",\n}\n\nresult := db.Create(&user)\n\nif result.Error != nil {\n    log.Printf(\"Помилка створення користувача: %v\", result.Error)\n} else {\n    log.Printf(\"✅ Створено користувача з ID: %d\", user.ID)\n}\n",[5204,13770,13771,13786,13798,13809,13821,13825,13829,13847,13851,13869,13897,13906,13933],{"__ignoreMap":5384},[5388,13772,13773,13775,13777,13779,13781,13783],{"class":5390,"line":5391},[5388,13774,7612],{"class":6384},[5388,13776,6388],{"class":5946},[5388,13778,13675],{"class":6425},[5388,13780,5555],{"class":5946},[5388,13782,7617],{"class":6425},[5388,13784,13785],{"class":5946},"{\n",[5388,13787,13788,13790,13793,13796],{"class":5390,"line":5397},[5388,13789,7461],{"class":6384},[5388,13791,13792],{"class":5946},":        ",[5388,13794,13795],{"class":6038},"\"alice@example.com\"",[5388,13797,7693],{"class":5946},[5388,13799,13800,13802,13804,13807],{"class":5390,"line":5403},[5388,13801,7469],{"class":6384},[5388,13803,5947],{"class":5946},[5388,13805,13806],{"class":6038},"\"hashed_password\"",[5388,13808,7693],{"class":5946},[5388,13810,13811,13813,13816,13819],{"class":5390,"line":5409},[5388,13812,7477],{"class":6384},[5388,13814,13815],{"class":5946},":     ",[5388,13817,13818],{"class":6038},"\"Alice Johnson\"",[5388,13820,7693],{"class":5946},[5388,13822,13823],{"class":5390,"line":5416},[5388,13824,5711],{"class":5946},[5388,13826,13827],{"class":5390,"line":5422},[5388,13828,5413],{"emptyLinePlaceholder":5412},[5388,13830,13831,13833,13835,13837,13839,13841,13843,13845],{"class":5390,"line":5428},[5388,13832,7246],{"class":6384},[5388,13834,6388],{"class":5946},[5388,13836,6629],{"class":6384},[5388,13838,5555],{"class":5946},[5388,13840,7594],{"class":6086},[5388,13842,7742],{"class":5946},[5388,13844,7612],{"class":6384},[5388,13846,6405],{"class":5946},[5388,13848,13849],{"class":5390,"line":5434},[5388,13850,5413],{"emptyLinePlaceholder":5412},[5388,13852,13853,13855,13858,13860,13863,13865,13867],{"class":5390,"line":5439},[5388,13854,7270],{"class":6435},[5388,13856,13857],{"class":6384}," result",[5388,13859,5555],{"class":5946},[5388,13861,13862],{"class":6384},"Error",[5388,13864,6555],{"class":5946},[5388,13866,6558],{"class":6096},[5388,13868,6561],{"class":5946},[5388,13870,13871,13873,13875,13878,13880,13883,13885,13887,13889,13891,13893,13895],{"class":5390,"line":5445},[5388,13872,9869],{"class":6384},[5388,13874,5555],{"class":5946},[5388,13876,13877],{"class":6086},"Printf",[5388,13879,6399],{"class":5946},[5388,13881,13882],{"class":6038},"\"Помилка створення користувача: ",[5388,13884,6579],{"class":6384},[5388,13886,6582],{"class":6038},[5388,13888,5603],{"class":5946},[5388,13890,7246],{"class":6384},[5388,13892,5555],{"class":5946},[5388,13894,13862],{"class":6384},[5388,13896,6405],{"class":5946},[5388,13898,13899,13902,13904],{"class":5390,"line":5451},[5388,13900,13901],{"class":5946},"} ",[5388,13903,11082],{"class":6435},[5388,13905,6561],{"class":5946},[5388,13907,13908,13910,13912,13914,13916,13919,13921,13923,13925,13927,13929,13931],{"class":5390,"line":5456},[5388,13909,9869],{"class":6384},[5388,13911,5555],{"class":5946},[5388,13913,13877],{"class":6086},[5388,13915,6399],{"class":5946},[5388,13917,13918],{"class":6038},"\"✅ Створено користувача з ID: ",[5388,13920,8226],{"class":6384},[5388,13922,6582],{"class":6038},[5388,13924,5603],{"class":5946},[5388,13926,7612],{"class":6384},[5388,13928,5555],{"class":5946},[5388,13930,7749],{"class":6384},[5388,13932,6405],{"class":5946},[5388,13934,13935],{"class":5390,"line":5462},[5388,13936,5711],{"class":5946},[5266,13938,13939],{},[5229,13940,13941],{},"Що відбувається:",[5194,13943,13944,13950,13956],{},[5197,13945,13946,13947,5555],{},"GORM генерує запит ",[5204,13948,13949],{},"INSERT INTO users (...) VALUES (...) RETURNING id",[5197,13951,13952,13953,13955],{},"Після виконання поле ",[5204,13954,7879],{}," автоматично заповнюється згенерованим первинним ключем.",[5197,13957,13958,13959,10560,13961,13963],{},"Поля ",[5204,13960,10312],{},[5204,13962,13578],{}," також заповнюються поточним часом.",[13762,13965,13967],{"id":13966},"читання-запису-read","Читання запису (Read)",[5266,13969,13970],{},[5229,13971,13972],{},"Отримання одного запису за первинним ключем:",[5379,13974,13976],{"className":6376,"code":13975,"language":6232,"meta":5384,"style":5384},"var user model.User\nresult := db.First(&user, 1) \u002F\u002F WHERE id = 1\n\nif result.Error == gorm.ErrRecordNotFound {\n    log.Println(\"Користувача не знайдено\")\n} else if result.Error != nil {\n    log.Printf(\"Помилка запиту: %v\", result.Error)\n} else {\n    log.Printf(\"Знайдено: %s (%s)\", user.FullName, user.Email)\n}\n",[5204,13977,13978,13991,14017,14021,14042,14057,14077,14104,14112,14153],{"__ignoreMap":5384},[5388,13979,13980,13982,13984,13987,13989],{"class":5390,"line":5391},[5388,13981,10649],{"class":6096},[5388,13983,8295],{"class":6384},[5388,13985,13986],{"class":6425}," model",[5388,13988,5555],{"class":5946},[5388,13990,8508],{"class":6425},[5388,13992,13993,13995,13997,13999,14001,14004,14006,14008,14010,14012,14014],{"class":5390,"line":5397},[5388,13994,7246],{"class":6384},[5388,13996,6388],{"class":5946},[5388,13998,6629],{"class":6384},[5388,14000,5555],{"class":5946},[5388,14002,14003],{"class":6086},"First",[5388,14005,7742],{"class":5946},[5388,14007,7612],{"class":6384},[5388,14009,5603],{"class":5946},[5388,14011,7377],{"class":6853},[5388,14013,7046],{"class":5946},[5388,14015,14016],{"class":5936},"\u002F\u002F WHERE id = 1\n",[5388,14018,14019],{"class":5390,"line":5403},[5388,14020,5413],{"emptyLinePlaceholder":5412},[5388,14022,14023,14025,14027,14029,14031,14033,14035,14037,14040],{"class":5390,"line":5409},[5388,14024,7270],{"class":6435},[5388,14026,13857],{"class":6384},[5388,14028,5555],{"class":5946},[5388,14030,13862],{"class":6384},[5388,14032,8193],{"class":5946},[5388,14034,13228],{"class":6384},[5388,14036,5555],{"class":5946},[5388,14038,14039],{"class":6384},"ErrRecordNotFound",[5388,14041,6561],{"class":5946},[5388,14043,14044,14046,14048,14050,14052,14055],{"class":5390,"line":5416},[5388,14045,9869],{"class":6384},[5388,14047,5555],{"class":5946},[5388,14049,6686],{"class":6086},[5388,14051,6399],{"class":5946},[5388,14053,14054],{"class":6038},"\"Користувача не знайдено\"",[5388,14056,6405],{"class":5946},[5388,14058,14059,14061,14063,14065,14067,14069,14071,14073,14075],{"class":5390,"line":5422},[5388,14060,13901],{"class":5946},[5388,14062,11082],{"class":6435},[5388,14064,11085],{"class":6435},[5388,14066,13857],{"class":6384},[5388,14068,5555],{"class":5946},[5388,14070,13862],{"class":6384},[5388,14072,6555],{"class":5946},[5388,14074,6558],{"class":6096},[5388,14076,6561],{"class":5946},[5388,14078,14079,14081,14083,14085,14087,14090,14092,14094,14096,14098,14100,14102],{"class":5390,"line":5428},[5388,14080,9869],{"class":6384},[5388,14082,5555],{"class":5946},[5388,14084,13877],{"class":6086},[5388,14086,6399],{"class":5946},[5388,14088,14089],{"class":6038},"\"Помилка запиту: ",[5388,14091,6579],{"class":6384},[5388,14093,6582],{"class":6038},[5388,14095,5603],{"class":5946},[5388,14097,7246],{"class":6384},[5388,14099,5555],{"class":5946},[5388,14101,13862],{"class":6384},[5388,14103,6405],{"class":5946},[5388,14105,14106,14108,14110],{"class":5390,"line":5434},[5388,14107,13901],{"class":5946},[5388,14109,11082],{"class":6435},[5388,14111,6561],{"class":5946},[5388,14113,14114,14116,14118,14120,14122,14125,14128,14130,14132,14135,14137,14139,14141,14143,14145,14147,14149,14151],{"class":5390,"line":5439},[5388,14115,9869],{"class":6384},[5388,14117,5555],{"class":5946},[5388,14119,13877],{"class":6086},[5388,14121,6399],{"class":5946},[5388,14123,14124],{"class":6038},"\"Знайдено: ",[5388,14126,14127],{"class":6384},"%s",[5388,14129,5306],{"class":6038},[5388,14131,14127],{"class":6384},[5388,14133,14134],{"class":6038},")\"",[5388,14136,5603],{"class":5946},[5388,14138,7612],{"class":6384},[5388,14140,5555],{"class":5946},[5388,14142,7728],{"class":6384},[5388,14144,5603],{"class":5946},[5388,14146,7612],{"class":6384},[5388,14148,5555],{"class":5946},[5388,14150,7704],{"class":6384},[5388,14152,6405],{"class":5946},[5388,14154,14155],{"class":5390,"line":5445},[5388,14156,5711],{"class":5946},[5266,14158,14159],{},[5229,14160,14161],{},"Отримання за умовою:",[5379,14163,14165],{"className":6376,"code":14164,"language":6232,"meta":5384,"style":5384},"var user model.User\ndb.Where(\"email = ?\", \"alice@example.com\").First(&user)\n",[5204,14166,14167,14179],{"__ignoreMap":5384},[5388,14168,14169,14171,14173,14175,14177],{"class":5390,"line":5391},[5388,14170,10649],{"class":6096},[5388,14172,8295],{"class":6384},[5388,14174,13986],{"class":6425},[5388,14176,5555],{"class":5946},[5388,14178,8508],{"class":6425},[5388,14180,14181,14183,14185,14188,14190,14193,14195,14197,14199,14201,14203,14205],{"class":5390,"line":5397},[5388,14182,6629],{"class":6384},[5388,14184,5555],{"class":5946},[5388,14186,14187],{"class":6086},"Where",[5388,14189,6399],{"class":5946},[5388,14191,14192],{"class":6038},"\"email = ?\"",[5388,14194,5603],{"class":5946},[5388,14196,13795],{"class":6038},[5388,14198,5827],{"class":5946},[5388,14200,14003],{"class":6086},[5388,14202,7742],{"class":5946},[5388,14204,7612],{"class":6384},[5388,14206,6405],{"class":5946},[5266,14208,14209],{},[5229,14210,14211],{},"Отримання всіх записів:",[5379,14213,14215],{"className":6376,"code":14214,"language":6232,"meta":5384,"style":5384},"var users []model.User\ndb.Find(&users)\n\nfor _, u := range users {\n    log.Printf(\"ID: %d, Email: %s\", u.ID, u.Email)\n}\n",[5204,14216,14217,14231,14246,14250,14271,14311],{"__ignoreMap":5384},[5388,14218,14219,14221,14223,14225,14227,14229],{"class":5390,"line":5391},[5388,14220,10649],{"class":6096},[5388,14222,8502],{"class":6384},[5388,14224,10654],{"class":5946},[5388,14226,13675],{"class":6425},[5388,14228,5555],{"class":5946},[5388,14230,8508],{"class":6425},[5388,14232,14233,14235,14237,14240,14242,14244],{"class":5390,"line":5397},[5388,14234,6629],{"class":6384},[5388,14236,5555],{"class":5946},[5388,14238,14239],{"class":6086},"Find",[5388,14241,7742],{"class":5946},[5388,14243,8643],{"class":6384},[5388,14245,6405],{"class":5946},[5388,14247,14248],{"class":5390,"line":5403},[5388,14249,5413],{"emptyLinePlaceholder":5412},[5388,14251,14252,14254,14257,14259,14262,14264,14267,14269],{"class":5390,"line":5409},[5388,14253,8877],{"class":6435},[5388,14255,14256],{"class":6384}," _",[5388,14258,5603],{"class":5946},[5388,14260,14261],{"class":6384},"u",[5388,14263,6388],{"class":5946},[5388,14265,14266],{"class":6435},"range",[5388,14268,8502],{"class":6384},[5388,14270,6561],{"class":5946},[5388,14272,14273,14275,14277,14279,14281,14284,14286,14289,14291,14293,14295,14297,14299,14301,14303,14305,14307,14309],{"class":5390,"line":5416},[5388,14274,9869],{"class":6384},[5388,14276,5555],{"class":5946},[5388,14278,13877],{"class":6086},[5388,14280,6399],{"class":5946},[5388,14282,14283],{"class":6038},"\"ID: ",[5388,14285,8226],{"class":6384},[5388,14287,14288],{"class":6038},", Email: ",[5388,14290,14127],{"class":6384},[5388,14292,6582],{"class":6038},[5388,14294,5603],{"class":5946},[5388,14296,14261],{"class":6384},[5388,14298,5555],{"class":5946},[5388,14300,7749],{"class":6384},[5388,14302,5603],{"class":5946},[5388,14304,14261],{"class":6384},[5388,14306,5555],{"class":5946},[5388,14308,7704],{"class":6384},[5388,14310,6405],{"class":5946},[5388,14312,14313],{"class":5390,"line":5422},[5388,14314,5711],{"class":5946},[5266,14316,14317],{},[5229,14318,14319],{},"Фільтрація та сортування:",[5379,14321,14323],{"className":6376,"code":14322,"language":6232,"meta":5384,"style":5384},"var users []model.User\ndb.Where(\"created_at > ?\", time.Now().AddDate(0, -1, 0)).\n   Order(\"created_at DESC\").\n   Limit(10).\n   Find(&users)\n",[5204,14324,14325,14339,14383,14396,14407],{"__ignoreMap":5384},[5388,14326,14327,14329,14331,14333,14335,14337],{"class":5390,"line":5391},[5388,14328,10649],{"class":6096},[5388,14330,8502],{"class":6384},[5388,14332,10654],{"class":5946},[5388,14334,13675],{"class":6425},[5388,14336,5555],{"class":5946},[5388,14338,8508],{"class":6425},[5388,14340,14341,14343,14345,14347,14349,14352,14354,14356,14358,14361,14364,14367,14369,14371,14374,14376,14378,14380],{"class":5390,"line":5397},[5388,14342,6629],{"class":6384},[5388,14344,5555],{"class":5946},[5388,14346,14187],{"class":6086},[5388,14348,6399],{"class":5946},[5388,14350,14351],{"class":6038},"\"created_at > ?\"",[5388,14353,5603],{"class":5946},[5388,14355,6910],{"class":6384},[5388,14357,5555],{"class":5946},[5388,14359,14360],{"class":6086},"Now",[5388,14362,14363],{"class":5946},"().",[5388,14365,14366],{"class":6086},"AddDate",[5388,14368,6399],{"class":5946},[5388,14370,9187],{"class":6853},[5388,14372,14373],{"class":5946},", -",[5388,14375,7377],{"class":6853},[5388,14377,5603],{"class":5946},[5388,14379,9187],{"class":6853},[5388,14381,14382],{"class":5946},")).\n",[5388,14384,14385,14388,14390,14393],{"class":5390,"line":5403},[5388,14386,14387],{"class":6086},"   Order",[5388,14389,6399],{"class":5946},[5388,14391,14392],{"class":6038},"\"created_at DESC\"",[5388,14394,14395],{"class":5946},").\n",[5388,14397,14398,14401,14403,14405],{"class":5390,"line":5409},[5388,14399,14400],{"class":6086},"   Limit",[5388,14402,6399],{"class":5946},[5388,14404,6879],{"class":6853},[5388,14406,14395],{"class":5946},[5388,14408,14409,14412,14414,14416],{"class":5390,"line":5416},[5388,14410,14411],{"class":6086},"   Find",[5388,14413,7742],{"class":5946},[5388,14415,8643],{"class":6384},[5388,14417,6405],{"class":5946},[13762,14419,14421],{"id":14420},"оновлення-запису-update","Оновлення запису (Update)",[5266,14423,14424],{},[5229,14425,14426],{},"Оновлення всіх полів:",[5379,14428,14430],{"className":6376,"code":14429,"language":6232,"meta":5384,"style":5384},"user.FullName = \"Alice Smith\"\ndb.Save(&user) \u002F\u002F UPDATE users SET full_name = ..., updated_at = ... WHERE id = ...\n",[5204,14431,14432,14445],{"__ignoreMap":5384},[5388,14433,14434,14436,14438,14440,14442],{"class":5390,"line":5391},[5388,14435,7612],{"class":6384},[5388,14437,5555],{"class":5946},[5388,14439,7728],{"class":6384},[5388,14441,8635],{"class":5946},[5388,14443,14444],{"class":6038},"\"Alice Smith\"\n",[5388,14446,14447,14449,14451,14454,14456,14458,14460],{"class":5390,"line":5397},[5388,14448,6629],{"class":6384},[5388,14450,5555],{"class":5946},[5388,14452,14453],{"class":6086},"Save",[5388,14455,7742],{"class":5946},[5388,14457,7612],{"class":6384},[5388,14459,7046],{"class":5946},[5388,14461,14462],{"class":5936},"\u002F\u002F UPDATE users SET full_name = ..., updated_at = ... WHERE id = ...\n",[5266,14464,14465],{},[5229,14466,14467],{},"Оновлення окремих полів:",[5379,14469,14471],{"className":6376,"code":14470,"language":6232,"meta":5384,"style":5384},"db.Model(&user).Update(\"full_name\", \"Alice Cooper\")\n\n\u002F\u002F Або кілька полів:\ndb.Model(&user).Updates(map[string]interface{}{\n    \"full_name\": \"Alice Cooper\",\n    \"email\":     \"alice.cooper@example.com\",\n})\n",[5204,14472,14473,14502,14506,14511,14547,14558,14570],{"__ignoreMap":5384},[5388,14474,14475,14477,14479,14482,14484,14486,14488,14490,14492,14495,14497,14500],{"class":5390,"line":5391},[5388,14476,6629],{"class":6384},[5388,14478,5555],{"class":5946},[5388,14480,14481],{"class":6086},"Model",[5388,14483,7742],{"class":5946},[5388,14485,7612],{"class":6384},[5388,14487,5827],{"class":5946},[5388,14489,8946],{"class":6086},[5388,14491,6399],{"class":5946},[5388,14493,14494],{"class":6038},"\"full_name\"",[5388,14496,5603],{"class":5946},[5388,14498,14499],{"class":6038},"\"Alice Cooper\"",[5388,14501,6405],{"class":5946},[5388,14503,14504],{"class":5390,"line":5397},[5388,14505,5413],{"emptyLinePlaceholder":5412},[5388,14507,14508],{"class":5390,"line":5403},[5388,14509,14510],{"class":5936},"\u002F\u002F Або кілька полів:\n",[5388,14512,14513,14515,14517,14519,14521,14523,14525,14528,14530,14533,14536,14538,14541,14544],{"class":5390,"line":5409},[5388,14514,6629],{"class":6384},[5388,14516,5555],{"class":5946},[5388,14518,14481],{"class":6086},[5388,14520,7742],{"class":5946},[5388,14522,7612],{"class":6384},[5388,14524,5827],{"class":5946},[5388,14526,14527],{"class":6086},"Updates",[5388,14529,6399],{"class":5946},[5388,14531,14532],{"class":6096},"map",[5388,14534,14535],{"class":5946},"[",[5388,14537,13511],{"class":6425},[5388,14539,14540],{"class":5946},"]",[5388,14542,14543],{"class":6096},"interface",[5388,14545,14546],{"class":5946},"{}{\n",[5388,14548,14549,14552,14554,14556],{"class":5390,"line":5416},[5388,14550,14551],{"class":6038},"    \"full_name\"",[5388,14553,5947],{"class":5946},[5388,14555,14499],{"class":6038},[5388,14557,7693],{"class":5946},[5388,14559,14560,14563,14565,14568],{"class":5390,"line":5422},[5388,14561,14562],{"class":6038},"    \"email\"",[5388,14564,13815],{"class":5946},[5388,14566,14567],{"class":6038},"\"alice.cooper@example.com\"",[5388,14569,7693],{"class":5946},[5388,14571,14572],{"class":5390,"line":5428},[5388,14573,14574],{"class":5946},"})\n",[5841,14576,11444,14577,11405,14580,14583,14584,14586],{},[5204,14578,14579],{},"Updates()",[5204,14581,14582],{},"Save()",", щоб оновити лише вказані поля. ",[5204,14585,14582],{}," оновлює всі поля, включаючи ті, що мають нульові значення.",[13762,14588,14590],{"id":14589},"видалення-запису-delete","Видалення запису (Delete)",[5266,14592,14593],{},[5229,14594,14595],{},"Фізичне видалення:",[5379,14597,14599],{"className":6376,"code":14598,"language":6232,"meta":5384,"style":5384},"db.Delete(&user) \u002F\u002F DELETE FROM users WHERE id = ...\n",[5204,14600,14601],{"__ignoreMap":5384},[5388,14602,14603,14605,14607,14609,14611,14613,14615],{"class":5390,"line":5391},[5388,14604,6629],{"class":6384},[5388,14606,5555],{"class":5946},[5388,14608,9277],{"class":6086},[5388,14610,7742],{"class":5946},[5388,14612,7612],{"class":6384},[5388,14614,7046],{"class":5946},[5388,14616,14617],{"class":5936},"\u002F\u002F DELETE FROM users WHERE id = ...\n",[5266,14619,14620],{},[5229,14621,14622],{},"М'яке видалення (Soft Delete):",[5266,14624,14625,14626,14628],{},"Якщо модель містить поле ",[5204,14627,13474],{},", GORM автоматично використовує м'яке видалення:",[5379,14630,14632],{"className":6376,"code":14631,"language":6232,"meta":5384,"style":5384},"db.Delete(&user) \u002F\u002F UPDATE users SET deleted_at = NOW() WHERE id = ...\n",[5204,14633,14634],{"__ignoreMap":5384},[5388,14635,14636,14638,14640,14642,14644,14646,14648],{"class":5390,"line":5391},[5388,14637,6629],{"class":6384},[5388,14639,5555],{"class":5946},[5388,14641,9277],{"class":6086},[5388,14643,7742],{"class":5946},[5388,14645,7612],{"class":6384},[5388,14647,7046],{"class":5946},[5388,14649,14650],{"class":5936},"\u002F\u002F UPDATE users SET deleted_at = NOW() WHERE id = ...\n",[5266,14652,14653],{},"Запити за замовчуванням ігноруватимуть видалені записи:",[5379,14655,14657],{"className":6376,"code":14656,"language":6232,"meta":5384,"style":5384},"db.Find(&users) \u002F\u002F Не включає записи з непустим deleted_at\n",[5204,14658,14659],{"__ignoreMap":5384},[5388,14660,14661,14663,14665,14667,14669,14671,14673],{"class":5390,"line":5391},[5388,14662,6629],{"class":6384},[5388,14664,5555],{"class":5946},[5388,14666,14239],{"class":6086},[5388,14668,7742],{"class":5946},[5388,14670,8643],{"class":6384},[5388,14672,7046],{"class":5946},[5388,14674,14675],{"class":5936},"\u002F\u002F Не включає записи з непустим deleted_at\n",[5266,14677,14678],{},"Для отримання видалених записів:",[5379,14680,14682],{"className":6376,"code":14681,"language":6232,"meta":5384,"style":5384},"db.Unscoped().Find(&users) \u002F\u002F Включає видалені\n",[5204,14683,14684],{"__ignoreMap":5384},[5388,14685,14686,14688,14690,14693,14695,14697,14699,14701,14703],{"class":5390,"line":5391},[5388,14687,6629],{"class":6384},[5388,14689,5555],{"class":5946},[5388,14691,14692],{"class":6086},"Unscoped",[5388,14694,14363],{"class":5946},[5388,14696,14239],{"class":6086},[5388,14698,7742],{"class":5946},[5388,14700,8643],{"class":6384},[5388,14702,7046],{"class":5946},[5388,14704,14705],{"class":5936},"\u002F\u002F Включає видалені\n",[5615,14707,14709],{"id":14708},"звязки-між-таблицями-associations","Зв'язки між таблицями (Associations)",[5266,14711,14712],{},"GORM підтримує автоматичне завантаження пов'язаних даних.",[5266,14714,14715],{},[5229,14716,14717],{},"Приклад: Користувач та Профіль (1:1):",[5379,14719,14721],{"className":6376,"code":14720,"language":6232,"meta":5384,"style":5384},"type User struct {\n    ID      uint\n    Email   string\n    Profile Profile \u002F\u002F Зв'язок 1:1\n}\n\ntype Profile struct {\n    ID      uint\n    UserID  uint   \u002F\u002F Зовнішній ключ\n    Bio     string\n    AvatarURL string\n}\n\n\u002F\u002F Завантаження користувача з профілем:\nvar user User\ndb.Preload(\"Profile\").First(&user, 1)\nlog.Println(user.Profile.Bio)\n",[5204,14722,14723,14733,14740,14747,14758,14762,14766,14776,14782,14793,14800,14807,14811,14815,14820,14829,14857],{"__ignoreMap":5384},[5388,14724,14725,14727,14729,14731],{"class":5390,"line":5391},[5388,14726,7440],{"class":6096},[5388,14728,7443],{"class":6425},[5388,14730,7446],{"class":6096},[5388,14732,6561],{"class":5946},[5388,14734,14735,14737],{"class":5390,"line":5397},[5388,14736,7453],{"class":6384},[5388,14738,14739],{"class":6425},"      uint\n",[5388,14741,14742,14744],{"class":5390,"line":5403},[5388,14743,7461],{"class":6384},[5388,14745,14746],{"class":6425},"   string\n",[5388,14748,14749,14752,14755],{"class":5390,"line":5409},[5388,14750,14751],{"class":6384},"    Profile",[5388,14753,14754],{"class":6425}," Profile",[5388,14756,14757],{"class":5936}," \u002F\u002F Зв'язок 1:1\n",[5388,14759,14760],{"class":5390,"line":5416},[5388,14761,5711],{"class":5946},[5388,14763,14764],{"class":5390,"line":5422},[5388,14765,5413],{"emptyLinePlaceholder":5412},[5388,14767,14768,14770,14772,14774],{"class":5390,"line":5428},[5388,14769,7440],{"class":6096},[5388,14771,14754],{"class":6425},[5388,14773,7446],{"class":6096},[5388,14775,6561],{"class":5946},[5388,14777,14778,14780],{"class":5390,"line":5434},[5388,14779,7453],{"class":6384},[5388,14781,14739],{"class":6425},[5388,14783,14784,14787,14790],{"class":5390,"line":5439},[5388,14785,14786],{"class":6384},"    UserID",[5388,14788,14789],{"class":6425},"  uint",[5388,14791,14792],{"class":5936},"   \u002F\u002F Зовнішній ключ\n",[5388,14794,14795,14798],{"class":5390,"line":5445},[5388,14796,14797],{"class":6384},"    Bio",[5388,14799,7480],{"class":6425},[5388,14801,14802,14805],{"class":5390,"line":5451},[5388,14803,14804],{"class":6384},"    AvatarURL",[5388,14806,7472],{"class":6425},[5388,14808,14809],{"class":5390,"line":5456},[5388,14810,5711],{"class":5946},[5388,14812,14813],{"class":5390,"line":5462},[5388,14814,5413],{"emptyLinePlaceholder":5412},[5388,14816,14817],{"class":5390,"line":5468},[5388,14818,14819],{"class":5936},"\u002F\u002F Завантаження користувача з профілем:\n",[5388,14821,14822,14824,14826],{"class":5390,"line":5474},[5388,14823,10649],{"class":6096},[5388,14825,8295],{"class":6384},[5388,14827,14828],{"class":6425}," User\n",[5388,14830,14831,14833,14835,14838,14840,14843,14845,14847,14849,14851,14853,14855],{"class":5390,"line":5480},[5388,14832,6629],{"class":6384},[5388,14834,5555],{"class":5946},[5388,14836,14837],{"class":6086},"Preload",[5388,14839,6399],{"class":5946},[5388,14841,14842],{"class":6038},"\"Profile\"",[5388,14844,5827],{"class":5946},[5388,14846,14003],{"class":6086},[5388,14848,7742],{"class":5946},[5388,14850,7612],{"class":6384},[5388,14852,5603],{"class":5946},[5388,14854,7377],{"class":6853},[5388,14856,6405],{"class":5946},[5388,14858,14859,14862,14864,14866,14868,14870,14872,14875,14877,14880],{"class":5390,"line":5486},[5388,14860,14861],{"class":6384},"log",[5388,14863,5555],{"class":5946},[5388,14865,6686],{"class":6086},[5388,14867,6399],{"class":5946},[5388,14869,7612],{"class":6384},[5388,14871,5555],{"class":5946},[5388,14873,14874],{"class":6384},"Profile",[5388,14876,5555],{"class":5946},[5388,14878,14879],{"class":6384},"Bio",[5388,14881,6405],{"class":5946},[5266,14883,14884],{},[5229,14885,14886],{},"Приклад: Користувач та Пости (1:N):",[5379,14888,14890],{"className":6376,"code":14889,"language":6232,"meta":5384,"style":5384},"type User struct {\n    ID    uint\n    Email string\n    Posts []Post \u002F\u002F Зв'язок 1:N\n}\n\ntype Post struct {\n    ID     uint\n    UserID uint\n    Title  string\n    Body   string\n}\n\n\u002F\u002F Завантаження користувача з усіма постами:\nvar user User\ndb.Preload(\"Posts\").First(&user, 1)\n\nfor _, post := range user.Posts {\n    log.Println(post.Title)\n}\n",[5204,14891,14892,14902,14909,14915,14928,14932,14936,14947,14954,14961,14969,14976,14980,14984,14989,14997,15024,15028,15052,15071],{"__ignoreMap":5384},[5388,14893,14894,14896,14898,14900],{"class":5390,"line":5391},[5388,14895,7440],{"class":6096},[5388,14897,7443],{"class":6425},[5388,14899,7446],{"class":6096},[5388,14901,6561],{"class":5946},[5388,14903,14904,14906],{"class":5390,"line":5397},[5388,14905,7453],{"class":6384},[5388,14907,14908],{"class":6425},"    uint\n",[5388,14910,14911,14913],{"class":5390,"line":5403},[5388,14912,7461],{"class":6384},[5388,14914,7472],{"class":6425},[5388,14916,14917,14920,14922,14925],{"class":5390,"line":5409},[5388,14918,14919],{"class":6384},"    Posts",[5388,14921,10654],{"class":5946},[5388,14923,14924],{"class":6425},"Post",[5388,14926,14927],{"class":5936}," \u002F\u002F Зв'язок 1:N\n",[5388,14929,14930],{"class":5390,"line":5416},[5388,14931,5711],{"class":5946},[5388,14933,14934],{"class":5390,"line":5422},[5388,14935,5413],{"emptyLinePlaceholder":5412},[5388,14937,14938,14940,14943,14945],{"class":5390,"line":5428},[5388,14939,7440],{"class":6096},[5388,14941,14942],{"class":6425}," Post",[5388,14944,7446],{"class":6096},[5388,14946,6561],{"class":5946},[5388,14948,14949,14951],{"class":5390,"line":5434},[5388,14950,7453],{"class":6384},[5388,14952,14953],{"class":6425},"     uint\n",[5388,14955,14956,14958],{"class":5390,"line":5439},[5388,14957,14786],{"class":6384},[5388,14959,14960],{"class":6425}," uint\n",[5388,14962,14963,14966],{"class":5390,"line":5445},[5388,14964,14965],{"class":6384},"    Title",[5388,14967,14968],{"class":6425},"  string\n",[5388,14970,14971,14974],{"class":5390,"line":5451},[5388,14972,14973],{"class":6384},"    Body",[5388,14975,14746],{"class":6425},[5388,14977,14978],{"class":5390,"line":5456},[5388,14979,5711],{"class":5946},[5388,14981,14982],{"class":5390,"line":5462},[5388,14983,5413],{"emptyLinePlaceholder":5412},[5388,14985,14986],{"class":5390,"line":5468},[5388,14987,14988],{"class":5936},"\u002F\u002F Завантаження користувача з усіма постами:\n",[5388,14990,14991,14993,14995],{"class":5390,"line":5474},[5388,14992,10649],{"class":6096},[5388,14994,8295],{"class":6384},[5388,14996,14828],{"class":6425},[5388,14998,14999,15001,15003,15005,15007,15010,15012,15014,15016,15018,15020,15022],{"class":5390,"line":5480},[5388,15000,6629],{"class":6384},[5388,15002,5555],{"class":5946},[5388,15004,14837],{"class":6086},[5388,15006,6399],{"class":5946},[5388,15008,15009],{"class":6038},"\"Posts\"",[5388,15011,5827],{"class":5946},[5388,15013,14003],{"class":6086},[5388,15015,7742],{"class":5946},[5388,15017,7612],{"class":6384},[5388,15019,5603],{"class":5946},[5388,15021,7377],{"class":6853},[5388,15023,6405],{"class":5946},[5388,15025,15026],{"class":5390,"line":5486},[5388,15027,5413],{"emptyLinePlaceholder":5412},[5388,15029,15030,15032,15034,15036,15039,15041,15043,15045,15047,15050],{"class":5390,"line":5491},[5388,15031,8877],{"class":6435},[5388,15033,14256],{"class":6384},[5388,15035,5603],{"class":5946},[5388,15037,15038],{"class":6384},"post",[5388,15040,6388],{"class":5946},[5388,15042,14266],{"class":6435},[5388,15044,8295],{"class":6384},[5388,15046,5555],{"class":5946},[5388,15048,15049],{"class":6384},"Posts",[5388,15051,6561],{"class":5946},[5388,15053,15054,15056,15058,15060,15062,15064,15066,15069],{"class":5390,"line":5497},[5388,15055,9869],{"class":6384},[5388,15057,5555],{"class":5946},[5388,15059,6686],{"class":6086},[5388,15061,6399],{"class":5946},[5388,15063,15038],{"class":6384},[5388,15065,5555],{"class":5946},[5388,15067,15068],{"class":6384},"Title",[5388,15070,6405],{"class":5946},[5388,15072,15073],{"class":5390,"line":5502},[5388,15074,5711],{"class":5946},[5350,15076,7210,15077,15080,15081,15083,15084,15087,15088,15091],{},[5204,15078,15079],{},"Preload()"," виконує окремий запит для завантаження пов'язаних даних (аналог ",[5204,15082,12925],{},"). Це називається ",[5229,15085,15086],{},"eager loading"," (жадібне завантаження) та запобігає проблемі ",[5229,15089,15090],{},"N+1 queries"," (виконання окремого запиту для кожного пов'язаного об'єкта).",[5266,15093,15094],{},[5229,15095,15096],{},"Приклад: Зв'язок Many-to-Many (N:M) — Студенти та Курси:",[5379,15098,15100],{"className":6376,"code":15099,"language":6232,"meta":5384,"style":5384},"type Student struct {\n    ID      uint\n    Name    string\n    Courses []Course `gorm:\"many2many:student_courses;\"` \u002F\u002F Зв'язок N:M\n}\n\ntype Course struct {\n    ID       uint\n    Title    string\n    Students []Student `gorm:\"many2many:student_courses;\"` \u002F\u002F Зворотний зв'язок\n}\n\n\u002F\u002F GORM автоматично створить проміжну таблицю student_courses:\n\u002F\u002F CREATE TABLE student_courses (\n\u002F\u002F     student_id INTEGER,\n\u002F\u002F     course_id INTEGER,\n\u002F\u002F     PRIMARY KEY (student_id, course_id)\n\u002F\u002F );\n\n\u002F\u002F Створення студента з курсами:\nstudent := Student{\n    Name: \"Іван Петренко\",\n    Courses: []Course{\n        {Title: \"Бази даних\"},\n        {Title: \"Алгоритми\"},\n    },\n}\ndb.Create(&student)\n\n\u002F\u002F Завантаження студента з усіма курсами:\nvar loadedStudent Student\ndb.Preload(\"Courses\").First(&loadedStudent, student.ID)\n\nfor _, course := range loadedStudent.Courses {\n    log.Println(course.Title)\n}\n\n\u002F\u002F Додавання студента до існуючого курсу:\nvar course Course\ndb.First(&course, 1)\ndb.Model(&course).Association(\"Students\").Append(&student)\n",[5204,15101,15102,15113,15119,15127,15143,15147,15151,15162,15169,15175,15190,15194,15198,15203,15208,15213,15218,15223,15228,15232,15237,15248,15259,15270,15285,15298,15303,15307,15321,15325,15330,15340,15372,15376,15400,15418,15422,15426,15431,15441,15459],{"__ignoreMap":5384},[5388,15103,15104,15106,15109,15111],{"class":5390,"line":5391},[5388,15105,7440],{"class":6096},[5388,15107,15108],{"class":6425}," Student",[5388,15110,7446],{"class":6096},[5388,15112,6561],{"class":5946},[5388,15114,15115,15117],{"class":5390,"line":5397},[5388,15116,7453],{"class":6384},[5388,15118,14739],{"class":6425},[5388,15120,15121,15124],{"class":5390,"line":5403},[5388,15122,15123],{"class":6384},"    Name",[5388,15125,15126],{"class":6425},"    string\n",[5388,15128,15129,15132,15134,15137,15140],{"class":5390,"line":5409},[5388,15130,15131],{"class":6384},"    Courses",[5388,15133,10654],{"class":5946},[5388,15135,15136],{"class":6425},"Course",[5388,15138,15139],{"class":6038}," `gorm:\"many2many:student_courses;\"`",[5388,15141,15142],{"class":5936}," \u002F\u002F Зв'язок N:M\n",[5388,15144,15145],{"class":5390,"line":5416},[5388,15146,5711],{"class":5946},[5388,15148,15149],{"class":5390,"line":5422},[5388,15150,5413],{"emptyLinePlaceholder":5412},[5388,15152,15153,15155,15158,15160],{"class":5390,"line":5428},[5388,15154,7440],{"class":6096},[5388,15156,15157],{"class":6425}," Course",[5388,15159,7446],{"class":6096},[5388,15161,6561],{"class":5946},[5388,15163,15164,15166],{"class":5390,"line":5434},[5388,15165,7453],{"class":6384},[5388,15167,15168],{"class":6425},"       uint\n",[5388,15170,15171,15173],{"class":5390,"line":5439},[5388,15172,14965],{"class":6384},[5388,15174,15126],{"class":6425},[5388,15176,15177,15180,15182,15185,15187],{"class":5390,"line":5445},[5388,15178,15179],{"class":6384},"    Students",[5388,15181,10654],{"class":5946},[5388,15183,15184],{"class":6425},"Student",[5388,15186,15139],{"class":6038},[5388,15188,15189],{"class":5936}," \u002F\u002F Зворотний зв'язок\n",[5388,15191,15192],{"class":5390,"line":5451},[5388,15193,5711],{"class":5946},[5388,15195,15196],{"class":5390,"line":5456},[5388,15197,5413],{"emptyLinePlaceholder":5412},[5388,15199,15200],{"class":5390,"line":5462},[5388,15201,15202],{"class":5936},"\u002F\u002F GORM автоматично створить проміжну таблицю student_courses:\n",[5388,15204,15205],{"class":5390,"line":5468},[5388,15206,15207],{"class":5936},"\u002F\u002F CREATE TABLE student_courses (\n",[5388,15209,15210],{"class":5390,"line":5474},[5388,15211,15212],{"class":5936},"\u002F\u002F     student_id INTEGER,\n",[5388,15214,15215],{"class":5390,"line":5480},[5388,15216,15217],{"class":5936},"\u002F\u002F     course_id INTEGER,\n",[5388,15219,15220],{"class":5390,"line":5486},[5388,15221,15222],{"class":5936},"\u002F\u002F     PRIMARY KEY (student_id, course_id)\n",[5388,15224,15225],{"class":5390,"line":5491},[5388,15226,15227],{"class":5936},"\u002F\u002F );\n",[5388,15229,15230],{"class":5390,"line":5497},[5388,15231,5413],{"emptyLinePlaceholder":5412},[5388,15233,15234],{"class":5390,"line":5502},[5388,15235,15236],{"class":5936},"\u002F\u002F Створення студента з курсами:\n",[5388,15238,15239,15242,15244,15246],{"class":5390,"line":5508},[5388,15240,15241],{"class":6384},"student",[5388,15243,6388],{"class":5946},[5388,15245,15184],{"class":6425},[5388,15247,13785],{"class":5946},[5388,15249,15250,15252,15254,15257],{"class":5390,"line":5513},[5388,15251,15123],{"class":6384},[5388,15253,5947],{"class":5946},[5388,15255,15256],{"class":6038},"\"Іван Петренко\"",[5388,15258,7693],{"class":5946},[5388,15260,15261,15263,15266,15268],{"class":5390,"line":5518},[5388,15262,15131],{"class":6384},[5388,15264,15265],{"class":5946},": []",[5388,15267,15136],{"class":6425},[5388,15269,13785],{"class":5946},[5388,15271,15272,15275,15277,15279,15282],{"class":5390,"line":5524},[5388,15273,15274],{"class":5946},"        {",[5388,15276,15068],{"class":6384},[5388,15278,5947],{"class":5946},[5388,15280,15281],{"class":6038},"\"Бази даних\"",[5388,15283,15284],{"class":5946},"},\n",[5388,15286,15287,15289,15291,15293,15296],{"class":5390,"line":5530},[5388,15288,15274],{"class":5946},[5388,15290,15068],{"class":6384},[5388,15292,5947],{"class":5946},[5388,15294,15295],{"class":6038},"\"Алгоритми\"",[5388,15297,15284],{"class":5946},[5388,15299,15300],{"class":5390,"line":5535},[5388,15301,15302],{"class":5946},"    },\n",[5388,15304,15305],{"class":5390,"line":5803},[5388,15306,5711],{"class":5946},[5388,15308,15309,15311,15313,15315,15317,15319],{"class":5390,"line":5808},[5388,15310,6629],{"class":6384},[5388,15312,5555],{"class":5946},[5388,15314,7594],{"class":6086},[5388,15316,7742],{"class":5946},[5388,15318,15241],{"class":6384},[5388,15320,6405],{"class":5946},[5388,15322,15323],{"class":5390,"line":7649},[5388,15324,5413],{"emptyLinePlaceholder":5412},[5388,15326,15327],{"class":5390,"line":7654},[5388,15328,15329],{"class":5936},"\u002F\u002F Завантаження студента з усіма курсами:\n",[5388,15331,15332,15334,15337],{"class":5390,"line":7659},[5388,15333,10649],{"class":6096},[5388,15335,15336],{"class":6384}," loadedStudent",[5388,15338,15339],{"class":6425}," Student\n",[5388,15341,15342,15344,15346,15348,15350,15353,15355,15357,15359,15362,15364,15366,15368,15370],{"class":5390,"line":7665},[5388,15343,6629],{"class":6384},[5388,15345,5555],{"class":5946},[5388,15347,14837],{"class":6086},[5388,15349,6399],{"class":5946},[5388,15351,15352],{"class":6038},"\"Courses\"",[5388,15354,5827],{"class":5946},[5388,15356,14003],{"class":6086},[5388,15358,7742],{"class":5946},[5388,15360,15361],{"class":6384},"loadedStudent",[5388,15363,5603],{"class":5946},[5388,15365,15241],{"class":6384},[5388,15367,5555],{"class":5946},[5388,15369,7749],{"class":6384},[5388,15371,6405],{"class":5946},[5388,15373,15374],{"class":5390,"line":7696},[5388,15375,5413],{"emptyLinePlaceholder":5412},[5388,15377,15378,15380,15382,15384,15387,15389,15391,15393,15395,15398],{"class":5390,"line":7709},[5388,15379,8877],{"class":6435},[5388,15381,14256],{"class":6384},[5388,15383,5603],{"class":5946},[5388,15385,15386],{"class":6384},"course",[5388,15388,6388],{"class":5946},[5388,15390,14266],{"class":6435},[5388,15392,15336],{"class":6384},[5388,15394,5555],{"class":5946},[5388,15396,15397],{"class":6384},"Courses",[5388,15399,6561],{"class":5946},[5388,15401,15402,15404,15406,15408,15410,15412,15414,15416],{"class":5390,"line":7721},[5388,15403,9869],{"class":6384},[5388,15405,5555],{"class":5946},[5388,15407,6686],{"class":6086},[5388,15409,6399],{"class":5946},[5388,15411,15386],{"class":6384},[5388,15413,5555],{"class":5946},[5388,15415,15068],{"class":6384},[5388,15417,6405],{"class":5946},[5388,15419,15420],{"class":5390,"line":7733},[5388,15421,5711],{"class":5946},[5388,15423,15424],{"class":5390,"line":7754},[5388,15425,5413],{"emptyLinePlaceholder":5412},[5388,15427,15428],{"class":5390,"line":7759},[5388,15429,15430],{"class":5936},"\u002F\u002F Додавання студента до існуючого курсу:\n",[5388,15432,15433,15435,15438],{"class":5390,"line":7772},[5388,15434,10649],{"class":6096},[5388,15436,15437],{"class":6384}," course",[5388,15439,15440],{"class":6425}," Course\n",[5388,15442,15443,15445,15447,15449,15451,15453,15455,15457],{"class":5390,"line":7798},[5388,15444,6629],{"class":6384},[5388,15446,5555],{"class":5946},[5388,15448,14003],{"class":6086},[5388,15450,7742],{"class":5946},[5388,15452,15386],{"class":6384},[5388,15454,5603],{"class":5946},[5388,15456,7377],{"class":6853},[5388,15458,6405],{"class":5946},[5388,15460,15461,15463,15465,15467,15469,15471,15473,15476,15478,15481,15483,15486,15488,15490],{"class":5390,"line":7803},[5388,15462,6629],{"class":6384},[5388,15464,5555],{"class":5946},[5388,15466,14481],{"class":6086},[5388,15468,7742],{"class":5946},[5388,15470,15386],{"class":6384},[5388,15472,5827],{"class":5946},[5388,15474,15475],{"class":6086},"Association",[5388,15477,6399],{"class":5946},[5388,15479,15480],{"class":6038},"\"Students\"",[5388,15482,5827],{"class":5946},[5388,15484,15485],{"class":6086},"Append",[5388,15487,7742],{"class":5946},[5388,15489,15241],{"class":6384},[5388,15491,6405],{"class":5946},[5580,15493,15494,15495,15497,15498,15500],{},"При роботі зі зв'язками N:M завжди використовуйте ",[5204,15496,15079],{},", інакше виникне проблема ",[5229,15499,15090],{},": GORM виконає окремий запит для кожного пов'язаного об'єкта у циклі, що різко знизить продуктивність.",[5615,15502,15504],{"id":15503},"хуки-життєвого-циклу-gorm","Хуки життєвого циклу GORM",[5266,15506,15507,15508,5306,15511,15514],{},"GORM підтримує ",[5229,15509,15510],{},"хуки",[5270,15512,15513],{},"hooks",") — спеціальні методи, що автоматично викликаються на певних етапах життєвого циклу моделі (створення, оновлення, видалення).",[5266,15516,15517],{},[5229,15518,15519],{},"Доступні хуки:",[5194,15521,15522,15531,15540,15549,15558],{},[5197,15523,15524,5603,15527,15530],{},[5204,15525,15526],{},"BeforeCreate",[5204,15528,15529],{},"AfterCreate"," — до\u002Fпісля створення запису.",[5197,15532,15533,5603,15536,15539],{},[5204,15534,15535],{},"BeforeUpdate",[5204,15537,15538],{},"AfterUpdate"," — до\u002Fпісля оновлення.",[5197,15541,15542,5603,15545,15548],{},[5204,15543,15544],{},"BeforeSave",[5204,15546,15547],{},"AfterSave"," — перед будь-яким збереженням (Create або Update).",[5197,15550,15551,5603,15554,15557],{},[5204,15552,15553],{},"BeforeDelete",[5204,15555,15556],{},"AfterDelete"," — до\u002Fпісля видалення.",[5197,15559,15560,15563],{},[5204,15561,15562],{},"AfterFind"," — після завантаження запису з БД.",[5266,15565,15566],{},[5229,15567,15568],{},"Приклад: автоматичне хешування пароля перед збереженням:",[5379,15570,15572],{"className":6376,"code":15571,"language":6232,"meta":5384,"style":5384},"type User struct {\n    ID           uint\n    Email        string\n    Password     string `gorm:\"-\"` \u002F\u002F Не зберігати у БД\n    PasswordHash string\n}\n\n\u002F\u002F BeforeCreate викликається перед INSERT\nfunc (u *User) BeforeCreate(tx *gorm.DB) error {\n    if u.Password == \"\" {\n        return fmt.Errorf(\"пароль не може бути порожнім\")\n    }\n    \n    hash, err := bcrypt.GenerateFromPassword([]byte(u.Password), bcrypt.DefaultCost)\n    if err != nil {\n        return err\n    }\n    \n    u.PasswordHash = string(hash)\n    u.Password = \"\" \u002F\u002F Очищаємо відкритий пароль\n    \n    return nil\n}\n\n\u002F\u002F BeforeUpdate викликається перед UPDATE\nfunc (u *User) BeforeUpdate(tx *gorm.DB) error {\n    \u002F\u002F Якщо пароль змінено, перехешуємо\n    if u.Password != \"\" {\n        hash, err := bcrypt.GenerateFromPassword([]byte(u.Password), bcrypt.DefaultCost)\n        if err != nil {\n            return err\n        }\n        u.PasswordHash = string(hash)\n        u.Password = \"\"\n    }\n    return nil\n}\n\n\u002F\u002F Використання:\nuser := User{\n    Email:    \"john@example.com\",\n    Password: \"mySecretPassword\",\n}\n\ndb.Create(&user) \u002F\u002F BeforeCreate автоматично хешує пароль\n",[5204,15573,15574,15584,15591,15597,15610,15616,15620,15624,15629,15664,15683,15700,15704,15708,15753,15765,15771,15775,15779,15799,15814,15818,15824,15828,15832,15837,15871,15876,15892,15931,15943,15949,15953,15972,15985,15989,15995,15999,16003,16008,16018,16030,16041,16045,16050],{"__ignoreMap":5384},[5388,15575,15576,15578,15580,15582],{"class":5390,"line":5391},[5388,15577,7440],{"class":6096},[5388,15579,7443],{"class":6425},[5388,15581,7446],{"class":6096},[5388,15583,6561],{"class":5946},[5388,15585,15586,15588],{"class":5390,"line":5397},[5388,15587,7453],{"class":6384},[5388,15589,15590],{"class":6425},"           uint\n",[5388,15592,15593,15595],{"class":5390,"line":5403},[5388,15594,7461],{"class":6384},[5388,15596,7464],{"class":6425},[5388,15598,15599,15602,15604,15607],{"class":5390,"line":5409},[5388,15600,15601],{"class":6384},"    Password",[5388,15603,9945],{"class":6425},[5388,15605,15606],{"class":6038}," `gorm:\"-\"`",[5388,15608,15609],{"class":5936}," \u002F\u002F Не зберігати у БД\n",[5388,15611,15612,15614],{"class":5390,"line":5416},[5388,15613,7469],{"class":6384},[5388,15615,7472],{"class":6425},[5388,15617,15618],{"class":5390,"line":5422},[5388,15619,5711],{"class":5946},[5388,15621,15622],{"class":5390,"line":5428},[5388,15623,5413],{"emptyLinePlaceholder":5412},[5388,15625,15626],{"class":5390,"line":5434},[5388,15627,15628],{"class":5936},"\u002F\u002F BeforeCreate викликається перед INSERT\n",[5388,15630,15631,15633,15635,15638,15640,15642,15644,15646,15648,15650,15652,15654,15656,15658,15660,15662],{"class":5390,"line":5439},[5388,15632,6483],{"class":6096},[5388,15634,5306],{"class":5946},[5388,15636,15637],{"class":6384},"u ",[5388,15639,7587],{"class":5946},[5388,15641,7617],{"class":6425},[5388,15643,7046],{"class":5946},[5388,15645,15526],{"class":6086},[5388,15647,6399],{"class":5946},[5388,15649,11134],{"class":6384},[5388,15651,7036],{"class":5946},[5388,15653,13228],{"class":6425},[5388,15655,5555],{"class":5946},[5388,15657,7043],{"class":6425},[5388,15659,7046],{"class":5946},[5388,15661,7049],{"class":6425},[5388,15663,6561],{"class":5946},[5388,15665,15666,15668,15671,15673,15676,15678,15681],{"class":5390,"line":5445},[5388,15667,6549],{"class":6435},[5388,15669,15670],{"class":6384}," u",[5388,15672,5555],{"class":5946},[5388,15674,15675],{"class":6384},"Password",[5388,15677,8193],{"class":5946},[5388,15679,15680],{"class":6038},"\"\"",[5388,15682,6561],{"class":5946},[5388,15684,15685,15687,15689,15691,15693,15695,15698],{"class":5390,"line":5451},[5388,15686,7146],{"class":6435},[5388,15688,7149],{"class":6384},[5388,15690,5555],{"class":5946},[5388,15692,7154],{"class":6086},[5388,15694,6399],{"class":5946},[5388,15696,15697],{"class":6038},"\"пароль не може бути порожнім\"",[5388,15699,6405],{"class":5946},[5388,15701,15702],{"class":5390,"line":5456},[5388,15703,6593],{"class":5946},[5388,15705,15706],{"class":5390,"line":5462},[5388,15707,6459],{"class":5946},[5388,15709,15710,15713,15715,15717,15719,15722,15724,15727,15730,15733,15735,15737,15739,15741,15744,15746,15748,15751],{"class":5390,"line":5468},[5388,15711,15712],{"class":6384},"    hash",[5388,15714,5603],{"class":5946},[5388,15716,6523],{"class":6384},[5388,15718,6388],{"class":5946},[5388,15720,15721],{"class":6384},"bcrypt",[5388,15723,5555],{"class":5946},[5388,15725,15726],{"class":6086},"GenerateFromPassword",[5388,15728,15729],{"class":5946},"([]",[5388,15731,15732],{"class":6425},"byte",[5388,15734,6399],{"class":5946},[5388,15736,14261],{"class":6384},[5388,15738,5555],{"class":5946},[5388,15740,15675],{"class":6384},[5388,15742,15743],{"class":5946},"), ",[5388,15745,15721],{"class":6384},[5388,15747,5555],{"class":5946},[5388,15749,15750],{"class":6384},"DefaultCost",[5388,15752,6405],{"class":5946},[5388,15754,15755,15757,15759,15761,15763],{"class":5390,"line":5474},[5388,15756,6549],{"class":6435},[5388,15758,6552],{"class":6384},[5388,15760,6555],{"class":5946},[5388,15762,6558],{"class":6096},[5388,15764,6561],{"class":5946},[5388,15766,15767,15769],{"class":5390,"line":5480},[5388,15768,7146],{"class":6435},[5388,15770,7285],{"class":6384},[5388,15772,15773],{"class":5390,"line":5486},[5388,15774,6593],{"class":5946},[5388,15776,15777],{"class":5390,"line":5491},[5388,15778,6459],{"class":5946},[5388,15780,15781,15784,15786,15788,15790,15792,15794,15797],{"class":5390,"line":5497},[5388,15782,15783],{"class":6384},"    u",[5388,15785,5555],{"class":5946},[5388,15787,7716],{"class":6384},[5388,15789,8635],{"class":5946},[5388,15791,13511],{"class":6425},[5388,15793,6399],{"class":5946},[5388,15795,15796],{"class":6384},"hash",[5388,15798,6405],{"class":5946},[5388,15800,15801,15803,15805,15807,15809,15811],{"class":5390,"line":5502},[5388,15802,15783],{"class":6384},[5388,15804,5555],{"class":5946},[5388,15806,15675],{"class":6384},[5388,15808,8635],{"class":5946},[5388,15810,15680],{"class":6038},[5388,15812,15813],{"class":5936}," \u002F\u002F Очищаємо відкритий пароль\n",[5388,15815,15816],{"class":5390,"line":5508},[5388,15817,6459],{"class":5946},[5388,15819,15820,15822],{"class":5390,"line":5513},[5388,15821,7198],{"class":6435},[5388,15823,7201],{"class":6096},[5388,15825,15826],{"class":5390,"line":5518},[5388,15827,5711],{"class":5946},[5388,15829,15830],{"class":5390,"line":5524},[5388,15831,5413],{"emptyLinePlaceholder":5412},[5388,15833,15834],{"class":5390,"line":5530},[5388,15835,15836],{"class":5936},"\u002F\u002F BeforeUpdate викликається перед UPDATE\n",[5388,15838,15839,15841,15843,15845,15847,15849,15851,15853,15855,15857,15859,15861,15863,15865,15867,15869],{"class":5390,"line":5535},[5388,15840,6483],{"class":6096},[5388,15842,5306],{"class":5946},[5388,15844,15637],{"class":6384},[5388,15846,7587],{"class":5946},[5388,15848,7617],{"class":6425},[5388,15850,7046],{"class":5946},[5388,15852,15535],{"class":6086},[5388,15854,6399],{"class":5946},[5388,15856,11134],{"class":6384},[5388,15858,7036],{"class":5946},[5388,15860,13228],{"class":6425},[5388,15862,5555],{"class":5946},[5388,15864,7043],{"class":6425},[5388,15866,7046],{"class":5946},[5388,15868,7049],{"class":6425},[5388,15870,6561],{"class":5946},[5388,15872,15873],{"class":5390,"line":5803},[5388,15874,15875],{"class":5936},"    \u002F\u002F Якщо пароль змінено, перехешуємо\n",[5388,15877,15878,15880,15882,15884,15886,15888,15890],{"class":5390,"line":5808},[5388,15879,6549],{"class":6435},[5388,15881,15670],{"class":6384},[5388,15883,5555],{"class":5946},[5388,15885,15675],{"class":6384},[5388,15887,6555],{"class":5946},[5388,15889,15680],{"class":6038},[5388,15891,6561],{"class":5946},[5388,15893,15894,15897,15899,15901,15903,15905,15907,15909,15911,15913,15915,15917,15919,15921,15923,15925,15927,15929],{"class":5390,"line":7649},[5388,15895,15896],{"class":6384},"        hash",[5388,15898,5603],{"class":5946},[5388,15900,6523],{"class":6384},[5388,15902,6388],{"class":5946},[5388,15904,15721],{"class":6384},[5388,15906,5555],{"class":5946},[5388,15908,15726],{"class":6086},[5388,15910,15729],{"class":5946},[5388,15912,15732],{"class":6425},[5388,15914,6399],{"class":5946},[5388,15916,14261],{"class":6384},[5388,15918,5555],{"class":5946},[5388,15920,15675],{"class":6384},[5388,15922,15743],{"class":5946},[5388,15924,15721],{"class":6384},[5388,15926,5555],{"class":5946},[5388,15928,15750],{"class":6384},[5388,15930,6405],{"class":5946},[5388,15932,15933,15935,15937,15939,15941],{"class":5390,"line":7654},[5388,15934,8537],{"class":6435},[5388,15936,6552],{"class":6384},[5388,15938,6555],{"class":5946},[5388,15940,6558],{"class":6096},[5388,15942,6561],{"class":5946},[5388,15944,15945,15947],{"class":5390,"line":7659},[5388,15946,8597],{"class":6435},[5388,15948,7285],{"class":6384},[5388,15950,15951],{"class":5390,"line":7665},[5388,15952,8627],{"class":5946},[5388,15954,15955,15958,15960,15962,15964,15966,15968,15970],{"class":5390,"line":7696},[5388,15956,15957],{"class":6384},"        u",[5388,15959,5555],{"class":5946},[5388,15961,7716],{"class":6384},[5388,15963,8635],{"class":5946},[5388,15965,13511],{"class":6425},[5388,15967,6399],{"class":5946},[5388,15969,15796],{"class":6384},[5388,15971,6405],{"class":5946},[5388,15973,15974,15976,15978,15980,15982],{"class":5390,"line":7709},[5388,15975,15957],{"class":6384},[5388,15977,5555],{"class":5946},[5388,15979,15675],{"class":6384},[5388,15981,8635],{"class":5946},[5388,15983,15984],{"class":6038},"\"\"\n",[5388,15986,15987],{"class":5390,"line":7721},[5388,15988,6593],{"class":5946},[5388,15990,15991,15993],{"class":5390,"line":7733},[5388,15992,7198],{"class":6435},[5388,15994,7201],{"class":6096},[5388,15996,15997],{"class":5390,"line":7754},[5388,15998,5711],{"class":5946},[5388,16000,16001],{"class":5390,"line":7759},[5388,16002,5413],{"emptyLinePlaceholder":5412},[5388,16004,16005],{"class":5390,"line":7772},[5388,16006,16007],{"class":5936},"\u002F\u002F Використання:\n",[5388,16009,16010,16012,16014,16016],{"class":5390,"line":7798},[5388,16011,7612],{"class":6384},[5388,16013,6388],{"class":5946},[5388,16015,7617],{"class":6425},[5388,16017,13785],{"class":5946},[5388,16019,16020,16022,16025,16028],{"class":5390,"line":7803},[5388,16021,7461],{"class":6384},[5388,16023,16024],{"class":5946},":    ",[5388,16026,16027],{"class":6038},"\"john@example.com\"",[5388,16029,7693],{"class":5946},[5388,16031,16032,16034,16036,16039],{"class":5390,"line":7808},[5388,16033,15601],{"class":6384},[5388,16035,5947],{"class":5946},[5388,16037,16038],{"class":6038},"\"mySecretPassword\"",[5388,16040,7693],{"class":5946},[5388,16042,16043],{"class":5390,"line":7815},[5388,16044,5711],{"class":5946},[5388,16046,16048],{"class":5390,"line":16047},44,[5388,16049,5413],{"emptyLinePlaceholder":5412},[5388,16051,16053,16055,16057,16059,16061,16063,16065],{"class":5390,"line":16052},45,[5388,16054,6629],{"class":6384},[5388,16056,5555],{"class":5946},[5388,16058,7594],{"class":6086},[5388,16060,7742],{"class":5946},[5388,16062,7612],{"class":6384},[5388,16064,7046],{"class":5946},[5388,16066,16067],{"class":5936},"\u002F\u002F BeforeCreate автоматично хешує пароль\n",[5266,16069,16070],{},[5229,16071,16072],{},"Приклад: логування змін:",[5379,16074,16076],{"className":6376,"code":16075,"language":6232,"meta":5384,"style":5384},"type Article struct {\n    ID        uint\n    Title     string\n    Content   string\n    UpdatedBy string\n}\n\nfunc (a *Article) AfterUpdate(tx *gorm.DB) error {\n    log.Printf(\"📝 Стаття '%s' оновлена користувачем %s\", a.Title, a.UpdatedBy)\n    \n    \u002F\u002F Можна записати у таблицю аудиту:\n    audit := AuditLog{\n        EntityType: \"Article\",\n        EntityID:   a.ID,\n        Action:     \"UPDATE\",\n        ChangedBy:  a.UpdatedBy,\n        ChangedAt:  time.Now(),\n    }\n    return tx.Create(&audit).Error\n}\n",[5204,16077,16078,16089,16096,16102,16109,16116,16120,16124,16160,16201,16205,16210,16222,16234,16250,16262,16278,16294,16298,16318],{"__ignoreMap":5384},[5388,16079,16080,16082,16085,16087],{"class":5390,"line":5391},[5388,16081,7440],{"class":6096},[5388,16083,16084],{"class":6425}," Article",[5388,16086,7446],{"class":6096},[5388,16088,6561],{"class":5946},[5388,16090,16091,16093],{"class":5390,"line":5397},[5388,16092,7453],{"class":6384},[5388,16094,16095],{"class":6425},"        uint\n",[5388,16097,16098,16100],{"class":5390,"line":5403},[5388,16099,14965],{"class":6384},[5388,16101,7480],{"class":6425},[5388,16103,16104,16107],{"class":5390,"line":5409},[5388,16105,16106],{"class":6384},"    Content",[5388,16108,14746],{"class":6425},[5388,16110,16111,16114],{"class":5390,"line":5416},[5388,16112,16113],{"class":6384},"    UpdatedBy",[5388,16115,7472],{"class":6425},[5388,16117,16118],{"class":5390,"line":5422},[5388,16119,5711],{"class":5946},[5388,16121,16122],{"class":5390,"line":5428},[5388,16123,5413],{"emptyLinePlaceholder":5412},[5388,16125,16126,16128,16130,16133,16135,16138,16140,16142,16144,16146,16148,16150,16152,16154,16156,16158],{"class":5390,"line":5434},[5388,16127,6483],{"class":6096},[5388,16129,5306],{"class":5946},[5388,16131,16132],{"class":6384},"a ",[5388,16134,7587],{"class":5946},[5388,16136,16137],{"class":6425},"Article",[5388,16139,7046],{"class":5946},[5388,16141,15538],{"class":6086},[5388,16143,6399],{"class":5946},[5388,16145,11134],{"class":6384},[5388,16147,7036],{"class":5946},[5388,16149,13228],{"class":6425},[5388,16151,5555],{"class":5946},[5388,16153,7043],{"class":6425},[5388,16155,7046],{"class":5946},[5388,16157,7049],{"class":6425},[5388,16159,6561],{"class":5946},[5388,16161,16162,16164,16166,16168,16170,16173,16175,16178,16180,16182,16184,16186,16188,16190,16192,16194,16196,16199],{"class":5390,"line":5439},[5388,16163,9869],{"class":6384},[5388,16165,5555],{"class":5946},[5388,16167,13877],{"class":6086},[5388,16169,6399],{"class":5946},[5388,16171,16172],{"class":6038},"\"📝 Стаття '",[5388,16174,14127],{"class":6384},[5388,16176,16177],{"class":6038},"' оновлена користувачем ",[5388,16179,14127],{"class":6384},[5388,16181,6582],{"class":6038},[5388,16183,5603],{"class":5946},[5388,16185,5857],{"class":6384},[5388,16187,5555],{"class":5946},[5388,16189,15068],{"class":6384},[5388,16191,5603],{"class":5946},[5388,16193,5857],{"class":6384},[5388,16195,5555],{"class":5946},[5388,16197,16198],{"class":6384},"UpdatedBy",[5388,16200,6405],{"class":5946},[5388,16202,16203],{"class":5390,"line":5445},[5388,16204,6459],{"class":5946},[5388,16206,16207],{"class":5390,"line":5451},[5388,16208,16209],{"class":5936},"    \u002F\u002F Можна записати у таблицю аудиту:\n",[5388,16211,16212,16215,16217,16220],{"class":5390,"line":5456},[5388,16213,16214],{"class":6384},"    audit",[5388,16216,6388],{"class":5946},[5388,16218,16219],{"class":6425},"AuditLog",[5388,16221,13785],{"class":5946},[5388,16223,16224,16227,16229,16232],{"class":5390,"line":5462},[5388,16225,16226],{"class":6384},"        EntityType",[5388,16228,5947],{"class":5946},[5388,16230,16231],{"class":6038},"\"Article\"",[5388,16233,7693],{"class":5946},[5388,16235,16236,16239,16242,16244,16246,16248],{"class":5390,"line":5468},[5388,16237,16238],{"class":6384},"        EntityID",[5388,16240,16241],{"class":5946},":   ",[5388,16243,5857],{"class":6384},[5388,16245,5555],{"class":5946},[5388,16247,7749],{"class":6384},[5388,16249,7693],{"class":5946},[5388,16251,16252,16255,16257,16260],{"class":5390,"line":5474},[5388,16253,16254],{"class":6384},"        Action",[5388,16256,13815],{"class":5946},[5388,16258,16259],{"class":6038},"\"UPDATE\"",[5388,16261,7693],{"class":5946},[5388,16263,16264,16267,16270,16272,16274,16276],{"class":5390,"line":5480},[5388,16265,16266],{"class":6384},"        ChangedBy",[5388,16268,16269],{"class":5946},":  ",[5388,16271,5857],{"class":6384},[5388,16273,5555],{"class":5946},[5388,16275,16198],{"class":6384},[5388,16277,7693],{"class":5946},[5388,16279,16280,16283,16285,16287,16289,16291],{"class":5390,"line":5486},[5388,16281,16282],{"class":6384},"        ChangedAt",[5388,16284,16269],{"class":5946},[5388,16286,6910],{"class":6384},[5388,16288,5555],{"class":5946},[5388,16290,14360],{"class":6086},[5388,16292,16293],{"class":5946},"(),\n",[5388,16295,16296],{"class":5390,"line":5491},[5388,16297,6593],{"class":5946},[5388,16299,16300,16302,16304,16306,16308,16310,16313,16315],{"class":5390,"line":5497},[5388,16301,7198],{"class":6435},[5388,16303,11711],{"class":6384},[5388,16305,5555],{"class":5946},[5388,16307,7594],{"class":6086},[5388,16309,7742],{"class":5946},[5388,16311,16312],{"class":6384},"audit",[5388,16314,5827],{"class":5946},[5388,16316,16317],{"class":6384},"Error\n",[5388,16319,16320],{"class":5390,"line":5502},[5388,16321,5711],{"class":5946},[5841,16323,16324,16329,16343],{},[5266,16325,16326],{},[5229,16327,16328],{},"Коли використовувати хуки?",[5194,16330,16331,16334,16337,16340],{},[5197,16332,16333],{},"Валідація даних перед збереженням (перевірка бізнес-правил).",[5197,16335,16336],{},"Автоматичне перетворення даних (хешування паролів, нормалізація email).",[5197,16338,16339],{},"Логування змін (аудит, версіонування).",[5197,16341,16342],{},"Очищення пов'язаних даних при видаленні (каскадне видалення файлів).",[5266,16344,16345,16348],{},[5229,16346,16347],{},"Обережно:"," хуки виконуються синхронно та можуть сповільнити операції. Для важких обчислень використовуйте асинхронні черги (наприклад, RabbitMQ).",[5258,16350],{},[5261,16352,16354],{"id":16353},"розширені-можливості-моделей-gorm","Розширені можливості моделей GORM",[5266,16356,16357],{},"Тепер, коли ми розглянули базові операції GORM, заглибимося у потужні можливості визначення моделей, які роблять ORM гнучким та виразним інструментом.",[5615,16359,16361],{"id":16360},"повна-специфікація-тегів-структур","Повна специфікація тегів структур",[5266,16363,16364,16365,16368],{},"Теги структур (",[5270,16366,16367],{},"struct tags",") — це основний механізм налаштування поведінки GORM. Кожен тег визначає, як поле відображається на колонку бази даних, які обмеження накладаються та як виконуються операції.",[5266,16370,16371],{},[5229,16372,16373],{},"Синтаксис тегів:",[5379,16375,16377],{"className":6376,"code":16376,"language":6232,"meta":5384,"style":5384},"type Model struct {\n    Field Type `gorm:\"тег1:значення;тег2:значення;тег3\"`\n}\n",[5204,16378,16379,16390,16401],{"__ignoreMap":5384},[5388,16380,16381,16383,16386,16388],{"class":5390,"line":5391},[5388,16382,7440],{"class":6096},[5388,16384,16385],{"class":6425}," Model",[5388,16387,7446],{"class":6096},[5388,16389,6561],{"class":5946},[5388,16391,16392,16395,16398],{"class":5390,"line":5397},[5388,16393,16394],{"class":6384},"    Field",[5388,16396,16397],{"class":6425}," Type",[5388,16399,16400],{"class":6038}," `gorm:\"тег1:значення;тег2:значення;тег3\"`\n",[5388,16402,16403],{"class":5390,"line":5403},[5388,16404,5711],{"class":5946},[5266,16406,16407,16408,16411,16412,5827],{},"Теги розділяються крапкою з комою (",[5204,16409,16410],{},";","), деякі теги мають значення через двокрапку (",[5204,16413,6786],{},[13762,16415,16417],{"id":16416},"основні-теги-відображення","Основні теги відображення",[16419,16420,16421,16464,16539,16596],"code-group",{},[5379,16422,16425],{"className":6376,"code":16423,"filename":16424,"language":6232,"meta":5384,"style":5384},"type User struct {\n    ID        uint   `gorm:\"column:user_id\"` \u002F\u002F Колонка називається user_id замість id\n    FirstName string `gorm:\"column:first_name\"`\n}\n","Назва колонки",[5204,16426,16427,16437,16450,16460],{"__ignoreMap":5384},[5388,16428,16429,16431,16433,16435],{"class":5390,"line":5391},[5388,16430,7440],{"class":6096},[5388,16432,7443],{"class":6425},[5388,16434,7446],{"class":6096},[5388,16436,6561],{"class":5946},[5388,16438,16439,16441,16444,16447],{"class":5390,"line":5397},[5388,16440,7453],{"class":6384},[5388,16442,16443],{"class":6425},"        uint",[5388,16445,16446],{"class":6038},"   `gorm:\"column:user_id\"`",[5388,16448,16449],{"class":5936}," \u002F\u002F Колонка називається user_id замість id\n",[5388,16451,16452,16455,16457],{"class":5390,"line":5403},[5388,16453,16454],{"class":6384},"    FirstName",[5388,16456,9935],{"class":6425},[5388,16458,16459],{"class":6038}," `gorm:\"column:first_name\"`\n",[5388,16461,16462],{"class":5390,"line":5409},[5388,16463,5711],{"class":5946},[5379,16465,16468],{"className":6376,"code":16466,"filename":16467,"language":6232,"meta":5384,"style":5384},"type Product struct {\n    Price   float64 `gorm:\"type:decimal(10,2)\"` \u002F\u002F DECIMAL(10,2)\n    Code    string  `gorm:\"type:varchar(100)\"`  \u002F\u002F VARCHAR(100)\n    Tags    string  `gorm:\"type:text\"`          \u002F\u002F TEXT замість VARCHAR\n    Metadata string `gorm:\"type:jsonb\"`         \u002F\u002F JSONB для PostgreSQL\n}\n","Тип даних",[5204,16469,16470,16481,16495,16509,16522,16535],{"__ignoreMap":5384},[5388,16471,16472,16474,16477,16479],{"class":5390,"line":5391},[5388,16473,7440],{"class":6096},[5388,16475,16476],{"class":6425}," Product",[5388,16478,7446],{"class":6096},[5388,16480,6561],{"class":5946},[5388,16482,16483,16486,16489,16492],{"class":5390,"line":5397},[5388,16484,16485],{"class":6384},"    Price",[5388,16487,16488],{"class":6425},"   float64",[5388,16490,16491],{"class":6038}," `gorm:\"type:decimal(10,2)\"`",[5388,16493,16494],{"class":5936}," \u002F\u002F DECIMAL(10,2)\n",[5388,16496,16497,16500,16503,16506],{"class":5390,"line":5403},[5388,16498,16499],{"class":6384},"    Code",[5388,16501,16502],{"class":6425},"    string",[5388,16504,16505],{"class":6038},"  `gorm:\"type:varchar(100)\"`",[5388,16507,16508],{"class":5936},"  \u002F\u002F VARCHAR(100)\n",[5388,16510,16511,16514,16516,16519],{"class":5390,"line":5409},[5388,16512,16513],{"class":6384},"    Tags",[5388,16515,16502],{"class":6425},[5388,16517,16518],{"class":6038},"  `gorm:\"type:text\"`",[5388,16520,16521],{"class":5936},"          \u002F\u002F TEXT замість VARCHAR\n",[5388,16523,16524,16527,16529,16532],{"class":5390,"line":5416},[5388,16525,16526],{"class":6384},"    Metadata",[5388,16528,9935],{"class":6425},[5388,16530,16531],{"class":6038}," `gorm:\"type:jsonb\"`",[5388,16533,16534],{"class":5936},"         \u002F\u002F JSONB для PostgreSQL\n",[5388,16536,16537],{"class":5390,"line":5422},[5388,16538,5711],{"class":5946},[5379,16540,16543],{"className":6376,"code":16541,"filename":16542,"language":6232,"meta":5384,"style":5384},"type Article struct {\n    Title   string `gorm:\"size:255\"`   \u002F\u002F VARCHAR(255)\n    Slug    string `gorm:\"size:100\"`   \u002F\u002F VARCHAR(100)\n    Content string `gorm:\"size:10000\"` \u002F\u002F TEXT або VARCHAR(10000)\n}\n","Розмір колонки",[5204,16544,16545,16555,16567,16580,16592],{"__ignoreMap":5384},[5388,16546,16547,16549,16551,16553],{"class":5390,"line":5391},[5388,16548,7440],{"class":6096},[5388,16550,16084],{"class":6425},[5388,16552,7446],{"class":6096},[5388,16554,6561],{"class":5946},[5388,16556,16557,16559,16561,16564],{"class":5390,"line":5397},[5388,16558,14965],{"class":6384},[5388,16560,10597],{"class":6425},[5388,16562,16563],{"class":6038}," `gorm:\"size:255\"`",[5388,16565,16566],{"class":5936},"   \u002F\u002F VARCHAR(255)\n",[5388,16568,16569,16572,16574,16577],{"class":5390,"line":5403},[5388,16570,16571],{"class":6384},"    Slug",[5388,16573,16502],{"class":6425},[5388,16575,16576],{"class":6038}," `gorm:\"size:100\"`",[5388,16578,16579],{"class":5936},"   \u002F\u002F VARCHAR(100)\n",[5388,16581,16582,16584,16586,16589],{"class":5390,"line":5409},[5388,16583,16106],{"class":6384},[5388,16585,9935],{"class":6425},[5388,16587,16588],{"class":6038}," `gorm:\"size:10000\"`",[5388,16590,16591],{"class":5936}," \u002F\u002F TEXT або VARCHAR(10000)\n",[5388,16593,16594],{"class":5390,"line":5416},[5388,16595,5711],{"class":5946},[5379,16597,16600],{"className":6376,"code":16598,"filename":16599,"language":6232,"meta":5384,"style":5384},"type Measurement struct {\n    Temperature float64 `gorm:\"precision:6;scale:2\"` \u002F\u002F NUMERIC(6,2)\n    \u002F\u002F Загалом 6 цифр, з них 2 після коми: 9999.99\n}\n","Точність для числових",[5204,16601,16602,16613,16626,16631],{"__ignoreMap":5384},[5388,16603,16604,16606,16609,16611],{"class":5390,"line":5391},[5388,16605,7440],{"class":6096},[5388,16607,16608],{"class":6425}," Measurement",[5388,16610,7446],{"class":6096},[5388,16612,6561],{"class":5946},[5388,16614,16615,16618,16620,16623],{"class":5390,"line":5397},[5388,16616,16617],{"class":6384},"    Temperature",[5388,16619,10924],{"class":6425},[5388,16621,16622],{"class":6038}," `gorm:\"precision:6;scale:2\"`",[5388,16624,16625],{"class":5936}," \u002F\u002F NUMERIC(6,2)\n",[5388,16627,16628],{"class":5390,"line":5403},[5388,16629,16630],{"class":5936},"    \u002F\u002F Загалом 6 цифр, з них 2 після коми: 9999.99\n",[5388,16632,16633],{"class":5390,"line":5409},[5388,16634,5711],{"class":5946},[13762,16636,16638],{"id":16637},"теги-первинних-та-зовнішніх-ключів","Теги первинних та зовнішніх ключів",[5379,16640,16642],{"className":6376,"code":16641,"language":6232,"meta":5384,"style":5384},"type User struct {\n    \u002F\u002F Первинний ключ\n    ID uint `gorm:\"primaryKey\"`\n    \n    \u002F\u002F Композитний первинний ключ\n    \u002F\u002F ID   uint   `gorm:\"primaryKey\"`\n    \u002F\u002F Code string `gorm:\"primaryKey\"`\n    \n    \u002F\u002F Автоінкремент (за замовчуванням для primaryKey)\n    ID uint `gorm:\"primaryKey;autoIncrement\"`\n    \n    \u002F\u002F Відключення автоінкременту\n    UUID string `gorm:\"primaryKey;autoIncrement:false\"`\n}\n\ntype Order struct {\n    ID     uint\n    UserID uint `gorm:\"index\"` \u002F\u002F Створити індекс\n    User   User `gorm:\"foreignKey:UserID;references:ID\"`\n    \u002F\u002F foreignKey вказує поле у Order, references — поле у User\n}\n",[5204,16643,16644,16654,16659,16669,16673,16678,16683,16688,16692,16697,16706,16710,16715,16725,16729,16733,16744,16750,16761,16772,16777],{"__ignoreMap":5384},[5388,16645,16646,16648,16650,16652],{"class":5390,"line":5391},[5388,16647,7440],{"class":6096},[5388,16649,7443],{"class":6425},[5388,16651,7446],{"class":6096},[5388,16653,6561],{"class":5946},[5388,16655,16656],{"class":5390,"line":5397},[5388,16657,16658],{"class":5936},"    \u002F\u002F Первинний ключ\n",[5388,16660,16661,16663,16666],{"class":5390,"line":5403},[5388,16662,7453],{"class":6384},[5388,16664,16665],{"class":6425}," uint",[5388,16667,16668],{"class":6038}," `gorm:\"primaryKey\"`\n",[5388,16670,16671],{"class":5390,"line":5409},[5388,16672,6459],{"class":5946},[5388,16674,16675],{"class":5390,"line":5416},[5388,16676,16677],{"class":5936},"    \u002F\u002F Композитний первинний ключ\n",[5388,16679,16680],{"class":5390,"line":5422},[5388,16681,16682],{"class":5936},"    \u002F\u002F ID   uint   `gorm:\"primaryKey\"`\n",[5388,16684,16685],{"class":5390,"line":5428},[5388,16686,16687],{"class":5936},"    \u002F\u002F Code string `gorm:\"primaryKey\"`\n",[5388,16689,16690],{"class":5390,"line":5434},[5388,16691,6459],{"class":5946},[5388,16693,16694],{"class":5390,"line":5439},[5388,16695,16696],{"class":5936},"    \u002F\u002F Автоінкремент (за замовчуванням для primaryKey)\n",[5388,16698,16699,16701,16703],{"class":5390,"line":5445},[5388,16700,7453],{"class":6384},[5388,16702,16665],{"class":6425},[5388,16704,16705],{"class":6038}," `gorm:\"primaryKey;autoIncrement\"`\n",[5388,16707,16708],{"class":5390,"line":5451},[5388,16709,6459],{"class":5946},[5388,16711,16712],{"class":5390,"line":5456},[5388,16713,16714],{"class":5936},"    \u002F\u002F Відключення автоінкременту\n",[5388,16716,16717,16720,16722],{"class":5390,"line":5462},[5388,16718,16719],{"class":6384},"    UUID",[5388,16721,9935],{"class":6425},[5388,16723,16724],{"class":6038}," `gorm:\"primaryKey;autoIncrement:false\"`\n",[5388,16726,16727],{"class":5390,"line":5468},[5388,16728,5711],{"class":5946},[5388,16730,16731],{"class":5390,"line":5474},[5388,16732,5413],{"emptyLinePlaceholder":5412},[5388,16734,16735,16737,16740,16742],{"class":5390,"line":5480},[5388,16736,7440],{"class":6096},[5388,16738,16739],{"class":6425}," Order",[5388,16741,7446],{"class":6096},[5388,16743,6561],{"class":5946},[5388,16745,16746,16748],{"class":5390,"line":5486},[5388,16747,7453],{"class":6384},[5388,16749,14953],{"class":6425},[5388,16751,16752,16754,16756,16758],{"class":5390,"line":5491},[5388,16753,14786],{"class":6384},[5388,16755,16665],{"class":6425},[5388,16757,13477],{"class":6038},[5388,16759,16760],{"class":5936}," \u002F\u002F Створити індекс\n",[5388,16762,16763,16766,16769],{"class":5390,"line":5497},[5388,16764,16765],{"class":6384},"    User",[5388,16767,16768],{"class":6425},"   User",[5388,16770,16771],{"class":6038}," `gorm:\"foreignKey:UserID;references:ID\"`\n",[5388,16773,16774],{"class":5390,"line":5502},[5388,16775,16776],{"class":5936},"    \u002F\u002F foreignKey вказує поле у Order, references — поле у User\n",[5388,16778,16779],{"class":5390,"line":5508},[5388,16780,5711],{"class":5946},[5350,16782,16783,16786,16788,16789,16791,16792,5603,16795,6365,16798,16800],{},[5229,16784,16785],{},"Автоматичні первинні ключі:",[6727,16787],{},"\nЯкщо структура має поле ",[5204,16790,7749],{}," типу ",[5204,16793,16794],{},"uint",[5204,16796,16797],{},"int",[5204,16799,13511],{},", GORM автоматично робить його первинним ключем з автоінкрементом (для числових типів).",[13762,16802,16804],{"id":16803},"теги-обмежень-та-валідації","Теги обмежень та валідації",[5379,16806,16808],{"className":6376,"code":16807,"language":6232,"meta":5384,"style":5384},"type User struct {\n    Email    string `gorm:\"not null;unique\"`           \u002F\u002F NOT NULL + UNIQUE\n    Username string `gorm:\"not null;uniqueIndex\"`      \u002F\u002F NOT NULL + унікальний індекс\n    Age      int    `gorm:\"check:age >= 18\"`           \u002F\u002F CHECK обмеження\n    Status   string `gorm:\"default:'active'\"`          \u002F\u002F Значення за замовчуванням\n    Role     string `gorm:\"default:'user';not null\"`   \u002F\u002F Комбінація тегів\n    \n    \u002F\u002F Іменований індекс\n    Email2   string `gorm:\"uniqueIndex:idx_email\"`\n    \n    \u002F\u002F Композитний індекс\n    FirstName string `gorm:\"index:idx_name,priority:1\"` \u002F\u002F Перше поле у індексі\n    LastName  string `gorm:\"index:idx_name,priority:2\"` \u002F\u002F Друге поле у індексі\n}\n",[5204,16809,16810,16820,16832,16845,16859,16872,16885,16889,16894,16904,16908,16913,16925,16939],{"__ignoreMap":5384},[5388,16811,16812,16814,16816,16818],{"class":5390,"line":5391},[5388,16813,7440],{"class":6096},[5388,16815,7443],{"class":6425},[5388,16817,7446],{"class":6096},[5388,16819,6561],{"class":5946},[5388,16821,16822,16824,16826,16829],{"class":5390,"line":5397},[5388,16823,7461],{"class":6384},[5388,16825,16502],{"class":6425},[5388,16827,16828],{"class":6038}," `gorm:\"not null;unique\"`",[5388,16830,16831],{"class":5936},"           \u002F\u002F NOT NULL + UNIQUE\n",[5388,16833,16834,16837,16839,16842],{"class":5390,"line":5403},[5388,16835,16836],{"class":6384},"    Username",[5388,16838,9935],{"class":6425},[5388,16840,16841],{"class":6038}," `gorm:\"not null;uniqueIndex\"`",[5388,16843,16844],{"class":5936},"      \u002F\u002F NOT NULL + унікальний індекс\n",[5388,16846,16847,16850,16853,16856],{"class":5390,"line":5409},[5388,16848,16849],{"class":6384},"    Age",[5388,16851,16852],{"class":6425},"      int",[5388,16854,16855],{"class":6038},"    `gorm:\"check:age >= 18\"`",[5388,16857,16858],{"class":5936},"           \u002F\u002F CHECK обмеження\n",[5388,16860,16861,16864,16866,16869],{"class":5390,"line":5416},[5388,16862,16863],{"class":6384},"    Status",[5388,16865,10597],{"class":6425},[5388,16867,16868],{"class":6038}," `gorm:\"default:'active'\"`",[5388,16870,16871],{"class":5936},"          \u002F\u002F Значення за замовчуванням\n",[5388,16873,16874,16877,16879,16882],{"class":5390,"line":5422},[5388,16875,16876],{"class":6384},"    Role",[5388,16878,9945],{"class":6425},[5388,16880,16881],{"class":6038}," `gorm:\"default:'user';not null\"`",[5388,16883,16884],{"class":5936},"   \u002F\u002F Комбінація тегів\n",[5388,16886,16887],{"class":5390,"line":5428},[5388,16888,6459],{"class":5946},[5388,16890,16891],{"class":5390,"line":5434},[5388,16892,16893],{"class":5936},"    \u002F\u002F Іменований індекс\n",[5388,16895,16896,16899,16901],{"class":5390,"line":5439},[5388,16897,16898],{"class":6384},"    Email2",[5388,16900,10597],{"class":6425},[5388,16902,16903],{"class":6038}," `gorm:\"uniqueIndex:idx_email\"`\n",[5388,16905,16906],{"class":5390,"line":5445},[5388,16907,6459],{"class":5946},[5388,16909,16910],{"class":5390,"line":5451},[5388,16911,16912],{"class":5936},"    \u002F\u002F Композитний індекс\n",[5388,16914,16915,16917,16919,16922],{"class":5390,"line":5456},[5388,16916,16454],{"class":6384},[5388,16918,9935],{"class":6425},[5388,16920,16921],{"class":6038}," `gorm:\"index:idx_name,priority:1\"`",[5388,16923,16924],{"class":5936}," \u002F\u002F Перше поле у індексі\n",[5388,16926,16927,16930,16933,16936],{"class":5390,"line":5462},[5388,16928,16929],{"class":6384},"    LastName",[5388,16931,16932],{"class":6425},"  string",[5388,16934,16935],{"class":6038}," `gorm:\"index:idx_name,priority:2\"`",[5388,16937,16938],{"class":5936}," \u002F\u002F Друге поле у індексі\n",[5388,16940,16941],{"class":5390,"line":5468},[5388,16942,5711],{"class":5946},[5580,16944,16945,16948],{},[5229,16946,16947],{},"CHECK обмеження"," підтримуються не всіма СУБД однаково. PostgreSQL повністю підтримує їх, але SQLite має обмеження. Завжди перевіряйте документацію вашої СУБД.",[13762,16950,16952],{"id":16951},"теги-керування-читаннямзаписом","Теги керування читанням\u002Fзаписом",[5379,16954,16956],{"className":6376,"code":16955,"language":6232,"meta":5384,"style":5384},"type User struct {\n    \u002F\u002F Лише для читання (ігнорується при Create\u002FUpdate)\n    CreatedAt time.Time `gorm:\"\u003C-:false\"`\n    \n    \u002F\u002F Лише для запису (не повертається при запитах)\n    Password string `gorm:\"->:false;\u003C-:create\"` \u002F\u002F Тільки при створенні\n    \n    \u002F\u002F Повне ігнорування (не відображається на БД)\n    TempField string `gorm:\"-\"`\n    \n    \u002F\u002F Ігнорування при читанні, але запис дозволено\n    APIKey string `gorm:\"->;-:migration\"` \u002F\u002F - при міграції, -> для читання\n    \n    \u002F\u002F Лише для створення\n    InitialPassword string `gorm:\"\u003C-:create\"`\n    \n    \u002F\u002F Лише для оновлення\n    UpdateToken string `gorm:\"\u003C-:update\"`\n}\n",[5204,16957,16958,16968,16973,16987,16991,16996,17008,17012,17017,17027,17031,17036,17049,17053,17058,17068,17072,17077,17087],{"__ignoreMap":5384},[5388,16959,16960,16962,16964,16966],{"class":5390,"line":5391},[5388,16961,7440],{"class":6096},[5388,16963,7443],{"class":6425},[5388,16965,7446],{"class":6096},[5388,16967,6561],{"class":5946},[5388,16969,16970],{"class":5390,"line":5397},[5388,16971,16972],{"class":5936},"    \u002F\u002F Лише для читання (ігнорується при Create\u002FUpdate)\n",[5388,16974,16975,16977,16980,16982,16984],{"class":5390,"line":5403},[5388,16976,9953],{"class":6384},[5388,16978,16979],{"class":6425}," time",[5388,16981,5555],{"class":5946},[5388,16983,9961],{"class":6425},[5388,16985,16986],{"class":6038}," `gorm:\"\u003C-:false\"`\n",[5388,16988,16989],{"class":5390,"line":5409},[5388,16990,6459],{"class":5946},[5388,16992,16993],{"class":5390,"line":5416},[5388,16994,16995],{"class":5936},"    \u002F\u002F Лише для запису (не повертається при запитах)\n",[5388,16997,16998,17000,17002,17005],{"class":5390,"line":5422},[5388,16999,15601],{"class":6384},[5388,17001,9935],{"class":6425},[5388,17003,17004],{"class":6038}," `gorm:\"->:false;\u003C-:create\"`",[5388,17006,17007],{"class":5936}," \u002F\u002F Тільки при створенні\n",[5388,17009,17010],{"class":5390,"line":5428},[5388,17011,6459],{"class":5946},[5388,17013,17014],{"class":5390,"line":5434},[5388,17015,17016],{"class":5936},"    \u002F\u002F Повне ігнорування (не відображається на БД)\n",[5388,17018,17019,17022,17024],{"class":5390,"line":5439},[5388,17020,17021],{"class":6384},"    TempField",[5388,17023,9935],{"class":6425},[5388,17025,17026],{"class":6038}," `gorm:\"-\"`\n",[5388,17028,17029],{"class":5390,"line":5445},[5388,17030,6459],{"class":5946},[5388,17032,17033],{"class":5390,"line":5451},[5388,17034,17035],{"class":5936},"    \u002F\u002F Ігнорування при читанні, але запис дозволено\n",[5388,17037,17038,17041,17043,17046],{"class":5390,"line":5456},[5388,17039,17040],{"class":6384},"    APIKey",[5388,17042,9935],{"class":6425},[5388,17044,17045],{"class":6038}," `gorm:\"->;-:migration\"`",[5388,17047,17048],{"class":5936}," \u002F\u002F - при міграції, -> для читання\n",[5388,17050,17051],{"class":5390,"line":5462},[5388,17052,6459],{"class":5946},[5388,17054,17055],{"class":5390,"line":5468},[5388,17056,17057],{"class":5936},"    \u002F\u002F Лише для створення\n",[5388,17059,17060,17063,17065],{"class":5390,"line":5474},[5388,17061,17062],{"class":6384},"    InitialPassword",[5388,17064,9935],{"class":6425},[5388,17066,17067],{"class":6038}," `gorm:\"\u003C-:create\"`\n",[5388,17069,17070],{"class":5390,"line":5480},[5388,17071,6459],{"class":5946},[5388,17073,17074],{"class":5390,"line":5486},[5388,17075,17076],{"class":5936},"    \u002F\u002F Лише для оновлення\n",[5388,17078,17079,17082,17084],{"class":5390,"line":5491},[5388,17080,17081],{"class":6384},"    UpdateToken",[5388,17083,9935],{"class":6425},[5388,17085,17086],{"class":6038}," `gorm:\"\u003C-:update\"`\n",[5388,17088,17089],{"class":5390,"line":5497},[5388,17090,5711],{"class":5946},[5266,17092,17093],{},[5229,17094,17095],{},"Розшифровка стрілок:",[5194,17097,17098,17104,17110,17116,17122,17128],{},[5197,17099,17100,17103],{},[5204,17101,17102],{},"->"," — читання з БД (SELECT)",[5197,17105,17106,17109],{},[5204,17107,17108],{},"\u003C-"," — запис до БД (INSERT, UPDATE)",[5197,17111,17112,17115],{},[5204,17113,17114],{},"->:false"," — заборонити читання",[5197,17117,17118,17121],{},[5204,17119,17120],{},"\u003C-:false"," — заборонити запис",[5197,17123,17124,17127],{},[5204,17125,17126],{},"\u003C-:create"," — дозволити лише при INSERT",[5197,17129,17130,17133],{},[5204,17131,17132],{},"\u003C-:update"," — дозволити лише при UPDATE",[13762,17135,17137],{"id":17136},"теги-для-часових-міток","Теги для часових міток",[5379,17139,17141],{"className":6376,"code":17140,"language":6232,"meta":5384,"style":5384},"type Model struct {\n    \u002F\u002F Автоматичне заповнення при створенні\n    CreatedAt time.Time `gorm:\"autoCreateTime\"`\n    \n    \u002F\u002F Автоматичне оновлення при Create\u002FUpdate\n    UpdatedAt time.Time `gorm:\"autoUpdateTime\"`\n    \n    \u002F\u002F Unix timestamp замість time.Time\n    CreatedUnix int64 `gorm:\"autoCreateTime:nano\"` \u002F\u002F Наносекунди\n    UpdatedUnix int64 `gorm:\"autoUpdateTime:milli\"` \u002F\u002F Мілісекунди\n    \n    \u002F\u002F Soft Delete\n    DeletedAt gorm.DeletedAt `gorm:\"index\"`\n}\n",[5204,17142,17143,17153,17158,17171,17175,17180,17193,17197,17202,17216,17229,17233,17238,17252],{"__ignoreMap":5384},[5388,17144,17145,17147,17149,17151],{"class":5390,"line":5391},[5388,17146,7440],{"class":6096},[5388,17148,16385],{"class":6425},[5388,17150,7446],{"class":6096},[5388,17152,6561],{"class":5946},[5388,17154,17155],{"class":5390,"line":5397},[5388,17156,17157],{"class":5936},"    \u002F\u002F Автоматичне заповнення при створенні\n",[5388,17159,17160,17162,17164,17166,17168],{"class":5390,"line":5403},[5388,17161,9953],{"class":6384},[5388,17163,16979],{"class":6425},[5388,17165,5555],{"class":5946},[5388,17167,9961],{"class":6425},[5388,17169,17170],{"class":6038}," `gorm:\"autoCreateTime\"`\n",[5388,17172,17173],{"class":5390,"line":5409},[5388,17174,6459],{"class":5946},[5388,17176,17177],{"class":5390,"line":5416},[5388,17178,17179],{"class":5936},"    \u002F\u002F Автоматичне оновлення при Create\u002FUpdate\n",[5388,17181,17182,17184,17186,17188,17190],{"class":5390,"line":5422},[5388,17183,13455],{"class":6384},[5388,17185,16979],{"class":6425},[5388,17187,5555],{"class":5946},[5388,17189,9961],{"class":6425},[5388,17191,17192],{"class":6038}," `gorm:\"autoUpdateTime\"`\n",[5388,17194,17195],{"class":5390,"line":5428},[5388,17196,6459],{"class":5946},[5388,17198,17199],{"class":5390,"line":5434},[5388,17200,17201],{"class":5936},"    \u002F\u002F Unix timestamp замість time.Time\n",[5388,17203,17204,17207,17210,17213],{"class":5390,"line":5439},[5388,17205,17206],{"class":6384},"    CreatedUnix",[5388,17208,17209],{"class":6425}," int64",[5388,17211,17212],{"class":6038}," `gorm:\"autoCreateTime:nano\"`",[5388,17214,17215],{"class":5936}," \u002F\u002F Наносекунди\n",[5388,17217,17218,17221,17223,17226],{"class":5390,"line":5445},[5388,17219,17220],{"class":6384},"    UpdatedUnix",[5388,17222,17209],{"class":6425},[5388,17224,17225],{"class":6038}," `gorm:\"autoUpdateTime:milli\"`",[5388,17227,17228],{"class":5936}," \u002F\u002F Мілісекунди\n",[5388,17230,17231],{"class":5390,"line":5451},[5388,17232,6459],{"class":5946},[5388,17234,17235],{"class":5390,"line":5456},[5388,17236,17237],{"class":5936},"    \u002F\u002F Soft Delete\n",[5388,17239,17240,17242,17245,17247,17249],{"class":5390,"line":5462},[5388,17241,13466],{"class":6384},[5388,17243,17244],{"class":6425}," gorm",[5388,17246,5555],{"class":5946},[5388,17248,13474],{"class":6425},[5388,17250,17251],{"class":6038}," `gorm:\"index\"`\n",[5388,17253,17254],{"class":5390,"line":5468},[5388,17255,5711],{"class":5946},[5841,17257,17258,17279],{},[5266,17259,17260,17263,17265,17266,17269,17270,5603,17272,5603,17274,5603,17276,17278],{},[5229,17261,17262],{},"Стандартна модель:",[6727,17264],{},"\nGORM надає ",[5204,17267,17268],{},"gorm.Model",", яка містить ",[5204,17271,7749],{},[5204,17273,10312],{},[5204,17275,13578],{},[5204,17277,13474],{},". Ви можете вбудувати її у свої моделі:",[5379,17280,17282],{"className":6376,"code":17281,"language":6232,"meta":5384,"style":5384},"type User struct {\n    gorm.Model \u002F\u002F Автоматично додає ID, CreatedAt, UpdatedAt, DeletedAt\n    Email string\n    Name  string\n}\n",[5204,17283,17284,17294,17305,17311,17317],{"__ignoreMap":5384},[5388,17285,17286,17288,17290,17292],{"class":5390,"line":5391},[5388,17287,7440],{"class":6096},[5388,17289,7443],{"class":6425},[5388,17291,7446],{"class":6096},[5388,17293,6561],{"class":5946},[5388,17295,17296,17298,17300,17302],{"class":5390,"line":5397},[5388,17297,13469],{"class":6425},[5388,17299,5555],{"class":5946},[5388,17301,14481],{"class":6425},[5388,17303,17304],{"class":5936}," \u002F\u002F Автоматично додає ID, CreatedAt, UpdatedAt, DeletedAt\n",[5388,17306,17307,17309],{"class":5390,"line":5403},[5388,17308,7461],{"class":6384},[5388,17310,7472],{"class":6425},[5388,17312,17313,17315],{"class":5390,"line":5409},[5388,17314,15123],{"class":6384},[5388,17316,14968],{"class":6425},[5388,17318,17319],{"class":5390,"line":5416},[5388,17320,5711],{"class":5946},[13762,17322,17324],{"id":17323},"теги-коментарів","Теги коментарів",[5379,17326,17328],{"className":6376,"code":17327,"language":6232,"meta":5384,"style":5384},"type User struct {\n    Name  string `gorm:\"comment:Повне ім'я користувача\"`\n    Email string `gorm:\"comment:Email адреса для зв'язку\"`\n    Age   int    `gorm:\"comment:Вік користувача в роках\"`\n}\n\n\u002F\u002F У PostgreSQL згенерує:\n\u002F\u002F COMMENT ON COLUMN users.name IS 'Повне ім''я користувача';\n",[5204,17329,17330,17340,17349,17358,17368,17372,17376,17381],{"__ignoreMap":5384},[5388,17331,17332,17334,17336,17338],{"class":5390,"line":5391},[5388,17333,7440],{"class":6096},[5388,17335,7443],{"class":6425},[5388,17337,7446],{"class":6096},[5388,17339,6561],{"class":5946},[5388,17341,17342,17344,17346],{"class":5390,"line":5397},[5388,17343,15123],{"class":6384},[5388,17345,16932],{"class":6425},[5388,17347,17348],{"class":6038}," `gorm:\"comment:Повне ім'я користувача\"`\n",[5388,17350,17351,17353,17355],{"class":5390,"line":5403},[5388,17352,7461],{"class":6384},[5388,17354,9935],{"class":6425},[5388,17356,17357],{"class":6038}," `gorm:\"comment:Email адреса для зв'язку\"`\n",[5388,17359,17360,17362,17365],{"class":5390,"line":5409},[5388,17361,16849],{"class":6384},[5388,17363,17364],{"class":6425},"   int",[5388,17366,17367],{"class":6038},"    `gorm:\"comment:Вік користувача в роках\"`\n",[5388,17369,17370],{"class":5390,"line":5416},[5388,17371,5711],{"class":5946},[5388,17373,17374],{"class":5390,"line":5422},[5388,17375,5413],{"emptyLinePlaceholder":5412},[5388,17377,17378],{"class":5390,"line":5428},[5388,17379,17380],{"class":5936},"\u002F\u002F У PostgreSQL згенерує:\n",[5388,17382,17383],{"class":5390,"line":5434},[5388,17384,17385],{"class":5936},"\u002F\u002F COMMENT ON COLUMN users.name IS 'Повне ім''я користувача';\n",[13762,17387,17389],{"id":17388},"серіалізатори","Серіалізатори",[5266,17391,17392],{},"GORM підтримує автоматичну серіалізацію складних типів у JSON, BSON тощо:",[5379,17394,17396],{"className":6376,"code":17395,"language":6232,"meta":5384,"style":5384},"type User struct {\n    Name       string\n    Attributes map[string]interface{} `gorm:\"serializer:json\"` \u002F\u002F Зберігається як JSON\n    Metadata   Metadata              `gorm:\"serializer:json\"`\n}\n\ntype Metadata struct {\n    Theme    string\n    Language string\n}\n\n\u002F\u002F При збереженні:\nuser := User{\n    Name: \"Alice\",\n    Attributes: map[string]interface{}{\n        \"age\": 25,\n        \"city\": \"Київ\",\n    },\n    Metadata: Metadata{Theme: \"dark\", Language: \"uk\"},\n}\ndb.Create(&user)\n\u002F\u002F У БД: attributes = '{\"age\":25,\"city\":\"Київ\"}'\n",[5204,17397,17398,17408,17415,17440,17450,17454,17458,17469,17476,17483,17487,17491,17496,17506,17517,17535,17546,17557,17561,17592,17596,17610],{"__ignoreMap":5384},[5388,17399,17400,17402,17404,17406],{"class":5390,"line":5391},[5388,17401,7440],{"class":6096},[5388,17403,7443],{"class":6425},[5388,17405,7446],{"class":6096},[5388,17407,6561],{"class":5946},[5388,17409,17410,17412],{"class":5390,"line":5397},[5388,17411,15123],{"class":6384},[5388,17413,17414],{"class":6425},"       string\n",[5388,17416,17417,17420,17423,17425,17427,17429,17431,17434,17437],{"class":5390,"line":5403},[5388,17418,17419],{"class":6384},"    Attributes",[5388,17421,17422],{"class":6096}," map",[5388,17424,14535],{"class":5946},[5388,17426,13511],{"class":6425},[5388,17428,14540],{"class":5946},[5388,17430,14543],{"class":6096},[5388,17432,17433],{"class":5946},"{} ",[5388,17435,17436],{"class":6038},"`gorm:\"serializer:json\"`",[5388,17438,17439],{"class":5936}," \u002F\u002F Зберігається як JSON\n",[5388,17441,17442,17444,17447],{"class":5390,"line":5409},[5388,17443,16526],{"class":6384},[5388,17445,17446],{"class":6425},"   Metadata",[5388,17448,17449],{"class":6038},"              `gorm:\"serializer:json\"`\n",[5388,17451,17452],{"class":5390,"line":5416},[5388,17453,5711],{"class":5946},[5388,17455,17456],{"class":5390,"line":5422},[5388,17457,5413],{"emptyLinePlaceholder":5412},[5388,17459,17460,17462,17465,17467],{"class":5390,"line":5428},[5388,17461,7440],{"class":6096},[5388,17463,17464],{"class":6425}," Metadata",[5388,17466,7446],{"class":6096},[5388,17468,6561],{"class":5946},[5388,17470,17471,17474],{"class":5390,"line":5434},[5388,17472,17473],{"class":6384},"    Theme",[5388,17475,15126],{"class":6425},[5388,17477,17478,17481],{"class":5390,"line":5439},[5388,17479,17480],{"class":6384},"    Language",[5388,17482,7472],{"class":6425},[5388,17484,17485],{"class":5390,"line":5445},[5388,17486,5711],{"class":5946},[5388,17488,17489],{"class":5390,"line":5451},[5388,17490,5413],{"emptyLinePlaceholder":5412},[5388,17492,17493],{"class":5390,"line":5456},[5388,17494,17495],{"class":5936},"\u002F\u002F При збереженні:\n",[5388,17497,17498,17500,17502,17504],{"class":5390,"line":5462},[5388,17499,7612],{"class":6384},[5388,17501,6388],{"class":5946},[5388,17503,7617],{"class":6425},[5388,17505,13785],{"class":5946},[5388,17507,17508,17510,17512,17515],{"class":5390,"line":5468},[5388,17509,15123],{"class":6384},[5388,17511,5947],{"class":5946},[5388,17513,17514],{"class":6038},"\"Alice\"",[5388,17516,7693],{"class":5946},[5388,17518,17519,17521,17523,17525,17527,17529,17531,17533],{"class":5390,"line":5474},[5388,17520,17419],{"class":6384},[5388,17522,5947],{"class":5946},[5388,17524,14532],{"class":6096},[5388,17526,14535],{"class":5946},[5388,17528,13511],{"class":6425},[5388,17530,14540],{"class":5946},[5388,17532,14543],{"class":6096},[5388,17534,14546],{"class":5946},[5388,17536,17537,17540,17542,17544],{"class":5390,"line":5480},[5388,17538,17539],{"class":6038},"        \"age\"",[5388,17541,5947],{"class":5946},[5388,17543,6854],{"class":6853},[5388,17545,7693],{"class":5946},[5388,17547,17548,17551,17553,17555],{"class":5390,"line":5486},[5388,17549,17550],{"class":6038},"        \"city\"",[5388,17552,5947],{"class":5946},[5388,17554,10638],{"class":6038},[5388,17556,7693],{"class":5946},[5388,17558,17559],{"class":5390,"line":5491},[5388,17560,15302],{"class":5946},[5388,17562,17563,17565,17567,17570,17572,17575,17577,17580,17582,17585,17587,17590],{"class":5390,"line":5497},[5388,17564,16526],{"class":6384},[5388,17566,5947],{"class":5946},[5388,17568,17569],{"class":6425},"Metadata",[5388,17571,7559],{"class":5946},[5388,17573,17574],{"class":6384},"Theme",[5388,17576,5947],{"class":5946},[5388,17578,17579],{"class":6038},"\"dark\"",[5388,17581,5603],{"class":5946},[5388,17583,17584],{"class":6384},"Language",[5388,17586,5947],{"class":5946},[5388,17588,17589],{"class":6038},"\"uk\"",[5388,17591,15284],{"class":5946},[5388,17593,17594],{"class":5390,"line":5502},[5388,17595,5711],{"class":5946},[5388,17597,17598,17600,17602,17604,17606,17608],{"class":5390,"line":5508},[5388,17599,6629],{"class":6384},[5388,17601,5555],{"class":5946},[5388,17603,7594],{"class":6086},[5388,17605,7742],{"class":5946},[5388,17607,7612],{"class":6384},[5388,17609,6405],{"class":5946},[5388,17611,17612],{"class":5390,"line":5513},[5388,17613,17614],{"class":5936},"\u002F\u002F У БД: attributes = '{\"age\":25,\"city\":\"Київ\"}'\n",[5266,17616,17617],{},[5229,17618,17619],{},"Підтримувані серіалізатори:",[5194,17621,17622,17628,17634],{},[5197,17623,17624,17627],{},[5204,17625,17626],{},"json"," — JSON (за замовчуванням для map, slice, struct)",[5197,17629,17630,17633],{},[5204,17631,17632],{},"gob"," — Go binary encoding",[5197,17635,17636,17639],{},[5204,17637,17638],{},"unixtime"," — Unix timestamp для time.Time",[9509,17641,17642],{},[9512,17643,17645,17652],{"icon":9514,"label":17644},"❓ Чи можна створити власний серіалізатор?",[5266,17646,17647,17648,17651],{},"Так! GORM дозволяє реєструвати власні серіалізатори через інтерфейс ",[5204,17649,17650],{},"serializer.SerializerInterface",". Наприклад, для шифрування даних перед збереженням:",[5379,17653,17655],{"className":6376,"code":17654,"language":6232,"meta":5384,"style":5384},"import \"gorm.io\u002Fgorm\u002Fschema\"\n\ntype EncryptedSerializer struct{}\n\nfunc (EncryptedSerializer) Scan(ctx context.Context, field *schema.Field, dst reflect.Value, dbValue interface{}) error {\n    \u002F\u002F Розшифрувати dbValue та записати у dst\n}\n\nfunc (EncryptedSerializer) Value(ctx context.Context, field *schema.Field, dst reflect.Value, fieldValue interface{}) (interface{}, error) {\n    \u002F\u002F Зашифрувати fieldValue перед збереженням\n}\n\n\u002F\u002F Реєстрація:\nschema.RegisterSerializer(\"encrypted\", EncryptedSerializer{})\n",[5204,17656,17657,17664,17668,17679,17683,17749,17754,17758,17762,17825,17830,17834,17838,17843],{"__ignoreMap":5384},[5388,17658,17659,17661],{"class":5390,"line":5391},[5388,17660,6436],{"class":6435},[5388,17662,17663],{"class":6038}," \"gorm.io\u002Fgorm\u002Fschema\"\n",[5388,17665,17666],{"class":5390,"line":5397},[5388,17667,5413],{"emptyLinePlaceholder":5412},[5388,17669,17670,17672,17675,17677],{"class":5390,"line":5403},[5388,17671,7440],{"class":6096},[5388,17673,17674],{"class":6425}," EncryptedSerializer",[5388,17676,7446],{"class":6096},[5388,17678,8091],{"class":5946},[5388,17680,17681],{"class":5390,"line":5409},[5388,17682,5413],{"emptyLinePlaceholder":5412},[5388,17684,17685,17687,17689,17692,17694,17696,17698,17700,17702,17704,17706,17708,17711,17713,17716,17718,17721,17723,17726,17729,17731,17734,17736,17739,17742,17745,17747],{"class":5390,"line":5416},[5388,17686,6483],{"class":6096},[5388,17688,5306],{"class":5946},[5388,17690,17691],{"class":6425},"EncryptedSerializer",[5388,17693,7046],{"class":5946},[5388,17695,7739],{"class":6086},[5388,17697,6399],{"class":5946},[5388,17699,7599],{"class":6384},[5388,17701,7602],{"class":6425},[5388,17703,5555],{"class":5946},[5388,17705,7607],{"class":6425},[5388,17707,5603],{"class":5946},[5388,17709,17710],{"class":6384},"field",[5388,17712,7036],{"class":5946},[5388,17714,17715],{"class":6425},"schema",[5388,17717,5555],{"class":5946},[5388,17719,17720],{"class":6425},"Field",[5388,17722,5603],{"class":5946},[5388,17724,17725],{"class":6384},"dst",[5388,17727,17728],{"class":6425}," reflect",[5388,17730,5555],{"class":5946},[5388,17732,17733],{"class":6425},"Value",[5388,17735,5603],{"class":5946},[5388,17737,17738],{"class":6384},"dbValue",[5388,17740,17741],{"class":6096}," interface",[5388,17743,17744],{"class":5946},"{}) ",[5388,17746,7049],{"class":6425},[5388,17748,6561],{"class":5946},[5388,17750,17751],{"class":5390,"line":5422},[5388,17752,17753],{"class":5936},"    \u002F\u002F Розшифрувати dbValue та записати у dst\n",[5388,17755,17756],{"class":5390,"line":5428},[5388,17757,5711],{"class":5946},[5388,17759,17760],{"class":5390,"line":5434},[5388,17761,5413],{"emptyLinePlaceholder":5412},[5388,17763,17764,17766,17768,17770,17772,17774,17776,17778,17780,17782,17784,17786,17788,17790,17792,17794,17796,17798,17800,17802,17804,17806,17808,17811,17813,17816,17818,17821,17823],{"class":5390,"line":5439},[5388,17765,6483],{"class":6096},[5388,17767,5306],{"class":5946},[5388,17769,17691],{"class":6425},[5388,17771,7046],{"class":5946},[5388,17773,17733],{"class":6086},[5388,17775,6399],{"class":5946},[5388,17777,7599],{"class":6384},[5388,17779,7602],{"class":6425},[5388,17781,5555],{"class":5946},[5388,17783,7607],{"class":6425},[5388,17785,5603],{"class":5946},[5388,17787,17710],{"class":6384},[5388,17789,7036],{"class":5946},[5388,17791,17715],{"class":6425},[5388,17793,5555],{"class":5946},[5388,17795,17720],{"class":6425},[5388,17797,5603],{"class":5946},[5388,17799,17725],{"class":6384},[5388,17801,17728],{"class":6425},[5388,17803,5555],{"class":5946},[5388,17805,17733],{"class":6425},[5388,17807,5603],{"class":5946},[5388,17809,17810],{"class":6384},"fieldValue",[5388,17812,17741],{"class":6096},[5388,17814,17815],{"class":5946},"{}) (",[5388,17817,14543],{"class":6096},[5388,17819,17820],{"class":5946},"{}, ",[5388,17822,7049],{"class":6425},[5388,17824,8047],{"class":5946},[5388,17826,17827],{"class":5390,"line":5445},[5388,17828,17829],{"class":5936},"    \u002F\u002F Зашифрувати fieldValue перед збереженням\n",[5388,17831,17832],{"class":5390,"line":5451},[5388,17833,5711],{"class":5946},[5388,17835,17836],{"class":5390,"line":5456},[5388,17837,5413],{"emptyLinePlaceholder":5412},[5388,17839,17840],{"class":5390,"line":5462},[5388,17841,17842],{"class":5936},"\u002F\u002F Реєстрація:\n",[5388,17844,17845,17847,17849,17852,17854,17857,17859,17861],{"class":5390,"line":5468},[5388,17846,17715],{"class":6384},[5388,17848,5555],{"class":5946},[5388,17850,17851],{"class":6086},"RegisterSerializer",[5388,17853,6399],{"class":5946},[5388,17855,17856],{"class":6038},"\"encrypted\"",[5388,17858,5603],{"class":5946},[5388,17860,17691],{"class":6425},[5388,17862,12659],{"class":5946},[5258,17864],{},[5615,17866,17868],{"id":17867},"вбудовані-структури-embedded-structs","Вбудовані структури (Embedded Structs)",[5266,17870,15507,17871,17874],{},[5229,17872,17873],{},"композицію структур"," — механізм вбудовування одних структур у інші, що дозволяє повторно використовувати спільні поля.",[13762,17876,17878],{"id":17877},"базове-вбудовування","Базове вбудовування",[5379,17880,17882],{"className":6376,"code":17881,"language":6232,"meta":5384,"style":5384},"type BaseModel struct {\n    ID        uint `gorm:\"primaryKey\"`\n    CreatedAt time.Time\n    UpdatedAt time.Time\n}\n\ntype User struct {\n    BaseModel        \u002F\u002F Вбудована структура (усі поля стають полями User)\n    Email     string `gorm:\"unique\"`\n    Name      string\n}\n\ntype Article struct {\n    BaseModel\n    Title   string\n    Content string\n}\n\n\u002F\u002F У БД створяться таблиці:\n\u002F\u002F users: id, created_at, updated_at, email, name\n\u002F\u002F articles: id, created_at, updated_at, title, content\n",[5204,17883,17884,17895,17903,17913,17923,17927,17931,17941,17949,17958,17965,17969,17973,17983,17988,17994,18000,18004,18008,18013,18018],{"__ignoreMap":5384},[5388,17885,17886,17888,17891,17893],{"class":5390,"line":5391},[5388,17887,7440],{"class":6096},[5388,17889,17890],{"class":6425}," BaseModel",[5388,17892,7446],{"class":6096},[5388,17894,6561],{"class":5946},[5388,17896,17897,17899,17901],{"class":5390,"line":5397},[5388,17898,7453],{"class":6384},[5388,17900,16443],{"class":6425},[5388,17902,16668],{"class":6038},[5388,17904,17905,17907,17909,17911],{"class":5390,"line":5403},[5388,17906,9953],{"class":6384},[5388,17908,16979],{"class":6425},[5388,17910,5555],{"class":5946},[5388,17912,13450],{"class":6425},[5388,17914,17915,17917,17919,17921],{"class":5390,"line":5409},[5388,17916,13455],{"class":6384},[5388,17918,16979],{"class":6425},[5388,17920,5555],{"class":5946},[5388,17922,13450],{"class":6425},[5388,17924,17925],{"class":5390,"line":5416},[5388,17926,5711],{"class":5946},[5388,17928,17929],{"class":5390,"line":5422},[5388,17930,5413],{"emptyLinePlaceholder":5412},[5388,17932,17933,17935,17937,17939],{"class":5390,"line":5428},[5388,17934,7440],{"class":6096},[5388,17936,7443],{"class":6425},[5388,17938,7446],{"class":6096},[5388,17940,6561],{"class":5946},[5388,17942,17943,17946],{"class":5390,"line":5434},[5388,17944,17945],{"class":6425},"    BaseModel",[5388,17947,17948],{"class":5936},"        \u002F\u002F Вбудована структура (усі поля стають полями User)\n",[5388,17950,17951,17953,17955],{"class":5390,"line":5439},[5388,17952,7461],{"class":6384},[5388,17954,9945],{"class":6425},[5388,17956,17957],{"class":6038}," `gorm:\"unique\"`\n",[5388,17959,17960,17962],{"class":5390,"line":5445},[5388,17961,15123],{"class":6384},[5388,17963,17964],{"class":6425},"      string\n",[5388,17966,17967],{"class":5390,"line":5451},[5388,17968,5711],{"class":5946},[5388,17970,17971],{"class":5390,"line":5456},[5388,17972,5413],{"emptyLinePlaceholder":5412},[5388,17974,17975,17977,17979,17981],{"class":5390,"line":5462},[5388,17976,7440],{"class":6096},[5388,17978,16084],{"class":6425},[5388,17980,7446],{"class":6096},[5388,17982,6561],{"class":5946},[5388,17984,17985],{"class":5390,"line":5468},[5388,17986,17987],{"class":6425},"    BaseModel\n",[5388,17989,17990,17992],{"class":5390,"line":5474},[5388,17991,14965],{"class":6384},[5388,17993,14746],{"class":6425},[5388,17995,17996,17998],{"class":5390,"line":5480},[5388,17997,16106],{"class":6384},[5388,17999,7472],{"class":6425},[5388,18001,18002],{"class":5390,"line":5486},[5388,18003,5711],{"class":5946},[5388,18005,18006],{"class":5390,"line":5491},[5388,18007,5413],{"emptyLinePlaceholder":5412},[5388,18009,18010],{"class":5390,"line":5497},[5388,18011,18012],{"class":5936},"\u002F\u002F У БД створяться таблиці:\n",[5388,18014,18015],{"class":5390,"line":5502},[5388,18016,18017],{"class":5936},"\u002F\u002F users: id, created_at, updated_at, email, name\n",[5388,18019,18020],{"class":5390,"line":5508},[5388,18021,18022],{"class":5936},"\u002F\u002F articles: id, created_at, updated_at, title, content\n",[5266,18024,18025,18027,18029,18030,5603,18032,5603,18034,18036,18037,18040,18041,10560,18043,5555],{},[5229,18026,5543],{},[6727,18028],{},"\nПоля ",[5204,18031,7749],{},[5204,18033,10312],{},[5204,18035,13578],{}," з ",[5204,18038,18039],{},"BaseModel"," «підіймаються» на верхній рівень структури. Це еквівалентно явному оголошенню цих полів у ",[5204,18042,7617],{},[5204,18044,16137],{},[13762,18046,18048],{"id":18047},"вбудовування-з-префіксом","Вбудовування з префіксом",[5266,18050,18051,18052,6786],{},"Коли потрібно уникнути конфліктів імен або згрупувати поля, використовуйте тег ",[5204,18053,18054],{},"embeddedPrefix",[5379,18056,18058],{"className":6376,"code":18057,"language":6232,"meta":5384,"style":5384},"type Address struct {\n    Street  string\n    City    string\n    ZipCode string\n}\n\ntype User struct {\n    ID              uint\n    Name            string\n    HomeAddress     Address `gorm:\"embedded;embeddedPrefix:home_\"`\n    WorkAddress     Address `gorm:\"embedded;embeddedPrefix:work_\"`\n}\n\n\u002F\u002F У БД таблиця users міститиме:\n\u002F\u002F id, name,\n\u002F\u002F home_street, home_city, home_zip_code,\n\u002F\u002F work_street, work_city, work_zip_code\n",[5204,18059,18060,18071,18078,18084,18091,18095,18099,18109,18116,18123,18134,18144,18148,18152,18157,18162,18167],{"__ignoreMap":5384},[5388,18061,18062,18064,18067,18069],{"class":5390,"line":5391},[5388,18063,7440],{"class":6096},[5388,18065,18066],{"class":6425}," Address",[5388,18068,7446],{"class":6096},[5388,18070,6561],{"class":5946},[5388,18072,18073,18076],{"class":5390,"line":5397},[5388,18074,18075],{"class":6384},"    Street",[5388,18077,14968],{"class":6425},[5388,18079,18080,18082],{"class":5390,"line":5403},[5388,18081,10594],{"class":6384},[5388,18083,15126],{"class":6425},[5388,18085,18086,18089],{"class":5390,"line":5409},[5388,18087,18088],{"class":6384},"    ZipCode",[5388,18090,7472],{"class":6425},[5388,18092,18093],{"class":5390,"line":5416},[5388,18094,5711],{"class":5946},[5388,18096,18097],{"class":5390,"line":5422},[5388,18098,5413],{"emptyLinePlaceholder":5412},[5388,18100,18101,18103,18105,18107],{"class":5390,"line":5428},[5388,18102,7440],{"class":6096},[5388,18104,7443],{"class":6425},[5388,18106,7446],{"class":6096},[5388,18108,6561],{"class":5946},[5388,18110,18111,18113],{"class":5390,"line":5434},[5388,18112,7453],{"class":6384},[5388,18114,18115],{"class":6425},"              uint\n",[5388,18117,18118,18120],{"class":5390,"line":5439},[5388,18119,15123],{"class":6384},[5388,18121,18122],{"class":6425},"            string\n",[5388,18124,18125,18128,18131],{"class":5390,"line":5445},[5388,18126,18127],{"class":6384},"    HomeAddress",[5388,18129,18130],{"class":6425},"     Address",[5388,18132,18133],{"class":6038}," `gorm:\"embedded;embeddedPrefix:home_\"`\n",[5388,18135,18136,18139,18141],{"class":5390,"line":5451},[5388,18137,18138],{"class":6384},"    WorkAddress",[5388,18140,18130],{"class":6425},[5388,18142,18143],{"class":6038}," `gorm:\"embedded;embeddedPrefix:work_\"`\n",[5388,18145,18146],{"class":5390,"line":5456},[5388,18147,5711],{"class":5946},[5388,18149,18150],{"class":5390,"line":5462},[5388,18151,5413],{"emptyLinePlaceholder":5412},[5388,18153,18154],{"class":5390,"line":5468},[5388,18155,18156],{"class":5936},"\u002F\u002F У БД таблиця users міститиме:\n",[5388,18158,18159],{"class":5390,"line":5474},[5388,18160,18161],{"class":5936},"\u002F\u002F id, name,\n",[5388,18163,18164],{"class":5390,"line":5480},[5388,18165,18166],{"class":5936},"\u002F\u002F home_street, home_city, home_zip_code,\n",[5388,18168,18169],{"class":5390,"line":5486},[5388,18170,18171],{"class":5936},"\u002F\u002F work_street, work_city, work_zip_code\n",[5266,18173,18174],{},[5229,18175,18176],{},"Без префіксу:",[5379,18178,18180],{"className":6376,"code":18179,"language":6232,"meta":5384,"style":5384},"type User struct {\n    ID      uint\n    Name    string\n    Address Address `gorm:\"embedded\"` \u002F\u002F Без префіксу\n}\n\n\u002F\u002F У БД: id, name, street, city, zip_code\n",[5204,18181,18182,18192,18198,18204,18217,18221,18225],{"__ignoreMap":5384},[5388,18183,18184,18186,18188,18190],{"class":5390,"line":5391},[5388,18185,7440],{"class":6096},[5388,18187,7443],{"class":6425},[5388,18189,7446],{"class":6096},[5388,18191,6561],{"class":5946},[5388,18193,18194,18196],{"class":5390,"line":5397},[5388,18195,7453],{"class":6384},[5388,18197,14739],{"class":6425},[5388,18199,18200,18202],{"class":5390,"line":5403},[5388,18201,15123],{"class":6384},[5388,18203,15126],{"class":6425},[5388,18205,18206,18209,18211,18214],{"class":5390,"line":5409},[5388,18207,18208],{"class":6384},"    Address",[5388,18210,18066],{"class":6425},[5388,18212,18213],{"class":6038}," `gorm:\"embedded\"`",[5388,18215,18216],{"class":5936}," \u002F\u002F Без префіксу\n",[5388,18218,18219],{"class":5390,"line":5416},[5388,18220,5711],{"class":5946},[5388,18222,18223],{"class":5390,"line":5422},[5388,18224,5413],{"emptyLinePlaceholder":5412},[5388,18226,18227],{"class":5390,"line":5428},[5388,18228,18229],{"class":5936},"\u002F\u002F У БД: id, name, street, city, zip_code\n",[5580,18231,18232,18233,18235],{},"Якщо вбудовуєте кілька структур одного типу без префіксів, виникне конфлікт імен колонок. Завжди використовуйте ",[5204,18234,18054],{}," для таких випадків.",[13762,18237,18239],{"id":18238},"вбудовування-без-тегу-gorm","Вбудовування без тегу gorm",[5266,18241,18242,18243,18246],{},"Якщо вбудовуєте структуру ",[5229,18244,18245],{},"без анотацій",", GORM автоматично розгортає її поля:",[5379,18248,18250],{"className":6376,"code":18249,"language":6232,"meta":5384,"style":5384},"type Timestamps struct {\n    CreatedAt time.Time\n    UpdatedAt time.Time\n}\n\ntype User struct {\n    ID         uint\n    Email      string\n    Timestamps \u002F\u002F Автоматично вбудовується\n}\n\n\u002F\u002F Еквівалентно:\ntype User struct {\n    ID        uint\n    Email     string\n    CreatedAt time.Time\n    UpdatedAt time.Time\n}\n",[5204,18251,18252,18263,18273,18283,18287,18291,18301,18308,18314,18322,18326,18330,18335,18345,18351,18357,18367,18377],{"__ignoreMap":5384},[5388,18253,18254,18256,18259,18261],{"class":5390,"line":5391},[5388,18255,7440],{"class":6096},[5388,18257,18258],{"class":6425}," Timestamps",[5388,18260,7446],{"class":6096},[5388,18262,6561],{"class":5946},[5388,18264,18265,18267,18269,18271],{"class":5390,"line":5397},[5388,18266,9953],{"class":6384},[5388,18268,16979],{"class":6425},[5388,18270,5555],{"class":5946},[5388,18272,13450],{"class":6425},[5388,18274,18275,18277,18279,18281],{"class":5390,"line":5403},[5388,18276,13455],{"class":6384},[5388,18278,16979],{"class":6425},[5388,18280,5555],{"class":5946},[5388,18282,13450],{"class":6425},[5388,18284,18285],{"class":5390,"line":5409},[5388,18286,5711],{"class":5946},[5388,18288,18289],{"class":5390,"line":5416},[5388,18290,5413],{"emptyLinePlaceholder":5412},[5388,18292,18293,18295,18297,18299],{"class":5390,"line":5422},[5388,18294,7440],{"class":6096},[5388,18296,7443],{"class":6425},[5388,18298,7446],{"class":6096},[5388,18300,6561],{"class":5946},[5388,18302,18303,18305],{"class":5390,"line":5428},[5388,18304,7453],{"class":6384},[5388,18306,18307],{"class":6425},"         uint\n",[5388,18309,18310,18312],{"class":5390,"line":5434},[5388,18311,7461],{"class":6384},[5388,18313,17964],{"class":6425},[5388,18315,18316,18319],{"class":5390,"line":5439},[5388,18317,18318],{"class":6425},"    Timestamps",[5388,18320,18321],{"class":5936}," \u002F\u002F Автоматично вбудовується\n",[5388,18323,18324],{"class":5390,"line":5445},[5388,18325,5711],{"class":5946},[5388,18327,18328],{"class":5390,"line":5451},[5388,18329,5413],{"emptyLinePlaceholder":5412},[5388,18331,18332],{"class":5390,"line":5456},[5388,18333,18334],{"class":5936},"\u002F\u002F Еквівалентно:\n",[5388,18336,18337,18339,18341,18343],{"class":5390,"line":5462},[5388,18338,7440],{"class":6096},[5388,18340,7443],{"class":6425},[5388,18342,7446],{"class":6096},[5388,18344,6561],{"class":5946},[5388,18346,18347,18349],{"class":5390,"line":5468},[5388,18348,7453],{"class":6384},[5388,18350,16095],{"class":6425},[5388,18352,18353,18355],{"class":5390,"line":5474},[5388,18354,7461],{"class":6384},[5388,18356,7480],{"class":6425},[5388,18358,18359,18361,18363,18365],{"class":5390,"line":5480},[5388,18360,9953],{"class":6384},[5388,18362,16979],{"class":6425},[5388,18364,5555],{"class":5946},[5388,18366,13450],{"class":6425},[5388,18368,18369,18371,18373,18375],{"class":5390,"line":5486},[5388,18370,13455],{"class":6384},[5388,18372,16979],{"class":6425},[5388,18374,5555],{"class":5946},[5388,18376,13450],{"class":6425},[5388,18378,18379],{"class":5390,"line":5491},[5388,18380,5711],{"class":5946},[13762,18382,18384],{"id":18383},"вкладені-вбудовані-структури","Вкладені вбудовані структури",[5379,18386,18388],{"className":6376,"code":18387,"language":6232,"meta":5384,"style":5384},"type Audit struct {\n    CreatedBy uint\n    UpdatedBy uint\n}\n\ntype Timestamps struct {\n    CreatedAt time.Time\n    UpdatedAt time.Time\n    Audit     \u002F\u002F Вкладене вбудовування\n}\n\ntype Article struct {\n    ID         uint\n    Title      string\n    Timestamps \u002F\u002F Усі поля Audit та Timestamps стають полями Article\n}\n\n\u002F\u002F У БД: id, title, created_at, updated_at, created_by, updated_by\n",[5204,18389,18390,18401,18408,18414,18418,18422,18432,18442,18452,18460,18464,18468,18478,18484,18490,18497,18501,18505],{"__ignoreMap":5384},[5388,18391,18392,18394,18397,18399],{"class":5390,"line":5391},[5388,18393,7440],{"class":6096},[5388,18395,18396],{"class":6425}," Audit",[5388,18398,7446],{"class":6096},[5388,18400,6561],{"class":5946},[5388,18402,18403,18406],{"class":5390,"line":5397},[5388,18404,18405],{"class":6384},"    CreatedBy",[5388,18407,14960],{"class":6425},[5388,18409,18410,18412],{"class":5390,"line":5403},[5388,18411,16113],{"class":6384},[5388,18413,14960],{"class":6425},[5388,18415,18416],{"class":5390,"line":5409},[5388,18417,5711],{"class":5946},[5388,18419,18420],{"class":5390,"line":5416},[5388,18421,5413],{"emptyLinePlaceholder":5412},[5388,18423,18424,18426,18428,18430],{"class":5390,"line":5422},[5388,18425,7440],{"class":6096},[5388,18427,18258],{"class":6425},[5388,18429,7446],{"class":6096},[5388,18431,6561],{"class":5946},[5388,18433,18434,18436,18438,18440],{"class":5390,"line":5428},[5388,18435,9953],{"class":6384},[5388,18437,16979],{"class":6425},[5388,18439,5555],{"class":5946},[5388,18441,13450],{"class":6425},[5388,18443,18444,18446,18448,18450],{"class":5390,"line":5434},[5388,18445,13455],{"class":6384},[5388,18447,16979],{"class":6425},[5388,18449,5555],{"class":5946},[5388,18451,13450],{"class":6425},[5388,18453,18454,18457],{"class":5390,"line":5439},[5388,18455,18456],{"class":6425},"    Audit",[5388,18458,18459],{"class":5936},"     \u002F\u002F Вкладене вбудовування\n",[5388,18461,18462],{"class":5390,"line":5445},[5388,18463,5711],{"class":5946},[5388,18465,18466],{"class":5390,"line":5451},[5388,18467,5413],{"emptyLinePlaceholder":5412},[5388,18469,18470,18472,18474,18476],{"class":5390,"line":5456},[5388,18471,7440],{"class":6096},[5388,18473,16084],{"class":6425},[5388,18475,7446],{"class":6096},[5388,18477,6561],{"class":5946},[5388,18479,18480,18482],{"class":5390,"line":5462},[5388,18481,7453],{"class":6384},[5388,18483,18307],{"class":6425},[5388,18485,18486,18488],{"class":5390,"line":5468},[5388,18487,14965],{"class":6384},[5388,18489,17964],{"class":6425},[5388,18491,18492,18494],{"class":5390,"line":5474},[5388,18493,18318],{"class":6425},[5388,18495,18496],{"class":5936}," \u002F\u002F Усі поля Audit та Timestamps стають полями Article\n",[5388,18498,18499],{"class":5390,"line":5480},[5388,18500,5711],{"class":5946},[5388,18502,18503],{"class":5390,"line":5486},[5388,18504,5413],{"emptyLinePlaceholder":5412},[5388,18506,18507],{"class":5390,"line":5491},[5388,18508,18509],{"class":5936},"\u002F\u002F У БД: id, title, created_at, updated_at, created_by, updated_by\n",[5258,18511],{},[5615,18513,18515],{"id":18514},"перевизначення-імен-таблиць","Перевизначення імен таблиць",[5266,18517,18518],{},"За замовчуванням GORM генерує назви таблиць у множині та snake_case:",[5194,18520,18521,18527,18535],{},[5197,18522,18523,9979,18525],{},[5204,18524,7617],{},[5204,18526,8643],{},[5197,18528,18529,9979,18532],{},[5204,18530,18531],{},"BlogPost",[5204,18533,18534],{},"blog_posts",[5197,18536,18537,9979,18540],{},[5204,18538,18539],{},"OrderItem",[5204,18541,18542],{},"order_items",[13762,18544,18546],{"id":18545},"метод-tablename","Метод TableName()",[5266,18548,18549],{},"Найчастіший спосіб перевизначення:",[5379,18551,18553],{"className":6376,"code":18552,"language":6232,"meta":5384,"style":5384},"type User struct {\n    ID   uint\n    Name string\n}\n\nfunc (User) TableName() string {\n    return \"app_users\" \u002F\u002F Таблиця називатиметься app_users\n}\n",[5204,18554,18555,18565,18572,18578,18582,18586,18604,18614],{"__ignoreMap":5384},[5388,18556,18557,18559,18561,18563],{"class":5390,"line":5391},[5388,18558,7440],{"class":6096},[5388,18560,7443],{"class":6425},[5388,18562,7446],{"class":6096},[5388,18564,6561],{"class":5946},[5388,18566,18567,18569],{"class":5390,"line":5397},[5388,18568,7453],{"class":6384},[5388,18570,18571],{"class":6425},"   uint\n",[5388,18573,18574,18576],{"class":5390,"line":5403},[5388,18575,15123],{"class":6384},[5388,18577,7472],{"class":6425},[5388,18579,18580],{"class":5390,"line":5409},[5388,18581,5711],{"class":5946},[5388,18583,18584],{"class":5390,"line":5416},[5388,18585,5413],{"emptyLinePlaceholder":5412},[5388,18587,18588,18590,18592,18594,18596,18598,18600,18602],{"class":5390,"line":5422},[5388,18589,6483],{"class":6096},[5388,18591,5306],{"class":5946},[5388,18593,7617],{"class":6425},[5388,18595,7046],{"class":5946},[5388,18597,13506],{"class":6086},[5388,18599,7314],{"class":5946},[5388,18601,13511],{"class":6425},[5388,18603,6561],{"class":5946},[5388,18605,18606,18608,18611],{"class":5390,"line":5428},[5388,18607,7198],{"class":6435},[5388,18609,18610],{"class":6038}," \"app_users\"",[5388,18612,18613],{"class":5936}," \u002F\u002F Таблиця називатиметься app_users\n",[5388,18615,18616],{"class":5390,"line":5434},[5388,18617,5711],{"class":5946},[13762,18619,18621],{"id":18620},"динамічні-назви-таблиць","Динамічні назви таблиць",[5379,18623,18625],{"className":6376,"code":18624,"language":6232,"meta":5384,"style":5384},"type ShardedUser struct {\n    ID   uint\n    Name string\n}\n\nfunc (u ShardedUser) TableName() string {\n    \u002F\u002F Шардування за ID\n    shard := u.ID % 10\n    return fmt.Sprintf(\"users_shard_%d\", shard)\n}\n\n\u002F\u002F Використання:\nuser := ShardedUser{ID: 42, Name: \"Alice\"}\ndb.Table(user.TableName()).Create(&user)\n\u002F\u002F INSERT INTO users_shard_2 ...\n",[5204,18626,18627,18638,18644,18650,18654,18658,18679,18684,18703,18730,18734,18738,18742,18770,18798],{"__ignoreMap":5384},[5388,18628,18629,18631,18634,18636],{"class":5390,"line":5391},[5388,18630,7440],{"class":6096},[5388,18632,18633],{"class":6425}," ShardedUser",[5388,18635,7446],{"class":6096},[5388,18637,6561],{"class":5946},[5388,18639,18640,18642],{"class":5390,"line":5397},[5388,18641,7453],{"class":6384},[5388,18643,18571],{"class":6425},[5388,18645,18646,18648],{"class":5390,"line":5403},[5388,18647,15123],{"class":6384},[5388,18649,7472],{"class":6425},[5388,18651,18652],{"class":5390,"line":5409},[5388,18653,5711],{"class":5946},[5388,18655,18656],{"class":5390,"line":5416},[5388,18657,5413],{"emptyLinePlaceholder":5412},[5388,18659,18660,18662,18664,18666,18669,18671,18673,18675,18677],{"class":5390,"line":5422},[5388,18661,6483],{"class":6096},[5388,18663,5306],{"class":5946},[5388,18665,15637],{"class":6384},[5388,18667,18668],{"class":6425},"ShardedUser",[5388,18670,7046],{"class":5946},[5388,18672,13506],{"class":6086},[5388,18674,7314],{"class":5946},[5388,18676,13511],{"class":6425},[5388,18678,6561],{"class":5946},[5388,18680,18681],{"class":5390,"line":5428},[5388,18682,18683],{"class":5936},"    \u002F\u002F Шардування за ID\n",[5388,18685,18686,18689,18691,18693,18695,18697,18700],{"class":5390,"line":5434},[5388,18687,18688],{"class":6384},"    shard",[5388,18690,6388],{"class":5946},[5388,18692,14261],{"class":6384},[5388,18694,5555],{"class":5946},[5388,18696,7749],{"class":6384},[5388,18698,18699],{"class":5946}," % ",[5388,18701,18702],{"class":6853},"10\n",[5388,18704,18705,18707,18709,18711,18714,18716,18719,18721,18723,18725,18728],{"class":5390,"line":5439},[5388,18706,7198],{"class":6435},[5388,18708,7149],{"class":6384},[5388,18710,5555],{"class":5946},[5388,18712,18713],{"class":6086},"Sprintf",[5388,18715,6399],{"class":5946},[5388,18717,18718],{"class":6038},"\"users_shard_",[5388,18720,8226],{"class":6384},[5388,18722,6582],{"class":6038},[5388,18724,5603],{"class":5946},[5388,18726,18727],{"class":6384},"shard",[5388,18729,6405],{"class":5946},[5388,18731,18732],{"class":5390,"line":5445},[5388,18733,5711],{"class":5946},[5388,18735,18736],{"class":5390,"line":5451},[5388,18737,5413],{"emptyLinePlaceholder":5412},[5388,18739,18740],{"class":5390,"line":5456},[5388,18741,16007],{"class":5936},[5388,18743,18744,18746,18748,18750,18752,18754,18756,18759,18761,18764,18766,18768],{"class":5390,"line":5462},[5388,18745,7612],{"class":6384},[5388,18747,6388],{"class":5946},[5388,18749,18668],{"class":6425},[5388,18751,7559],{"class":5946},[5388,18753,7749],{"class":6384},[5388,18755,5947],{"class":5946},[5388,18757,18758],{"class":6853},"42",[5388,18760,5603],{"class":5946},[5388,18762,18763],{"class":6384},"Name",[5388,18765,5947],{"class":5946},[5388,18767,17514],{"class":6038},[5388,18769,5711],{"class":5946},[5388,18771,18772,18774,18776,18779,18781,18783,18785,18787,18790,18792,18794,18796],{"class":5390,"line":5468},[5388,18773,6629],{"class":6384},[5388,18775,5555],{"class":5946},[5388,18777,18778],{"class":6086},"Table",[5388,18780,6399],{"class":5946},[5388,18782,7612],{"class":6384},[5388,18784,5555],{"class":5946},[5388,18786,13506],{"class":6086},[5388,18788,18789],{"class":5946},"()).",[5388,18791,7594],{"class":6086},[5388,18793,7742],{"class":5946},[5388,18795,7612],{"class":6384},[5388,18797,6405],{"class":5946},[5388,18799,18800],{"class":5390,"line":5474},[5388,18801,18802],{"class":5936},"\u002F\u002F INSERT INTO users_shard_2 ...\n",[13762,18804,18806],{"id":18805},"глобальне-налаштування","Глобальне налаштування",[5379,18808,18810],{"className":6376,"code":18809,"language":6232,"meta":5384,"style":5384},"db, err := gorm.Open(postgres.Open(dsn), &gorm.Config{\n    NamingStrategy: schema.NamingStrategy{\n        TablePrefix:   \"app_\",           \u002F\u002F Префікс для всіх таблиць\n        SingularTable: true,             \u002F\u002F Не використовувати множину\n        NoLowerCase:   false,            \u002F\u002F Використовувати CamelCase замість snake_case\n    },\n})\n\n\u002F\u002F User → app_user (замість users)\n\u002F\u002F BlogPost → app_blogpost (замість blog_posts)\n",[5204,18811,18812,18850,18866,18882,18897,18912,18916,18920,18924,18929],{"__ignoreMap":5384},[5388,18813,18814,18816,18818,18820,18822,18824,18826,18828,18830,18832,18834,18836,18838,18840,18842,18844,18846,18848],{"class":5390,"line":5391},[5388,18815,6629],{"class":6384},[5388,18817,5603],{"class":5946},[5388,18819,6523],{"class":6384},[5388,18821,6388],{"class":5946},[5388,18823,13228],{"class":6384},[5388,18825,5555],{"class":5946},[5388,18827,6533],{"class":6086},[5388,18829,6399],{"class":5946},[5388,18831,12638],{"class":6384},[5388,18833,5555],{"class":5946},[5388,18835,6533],{"class":6086},[5388,18837,6399],{"class":5946},[5388,18839,6385],{"class":6384},[5388,18841,13247],{"class":5946},[5388,18843,13228],{"class":6425},[5388,18845,5555],{"class":5946},[5388,18847,12656],{"class":6425},[5388,18849,13785],{"class":5946},[5388,18851,18852,18855,18857,18859,18861,18864],{"class":5390,"line":5397},[5388,18853,18854],{"class":6384},"    NamingStrategy",[5388,18856,5947],{"class":5946},[5388,18858,17715],{"class":6425},[5388,18860,5555],{"class":5946},[5388,18862,18863],{"class":6425},"NamingStrategy",[5388,18865,13785],{"class":5946},[5388,18867,18868,18871,18873,18876,18879],{"class":5390,"line":5403},[5388,18869,18870],{"class":6384},"        TablePrefix",[5388,18872,16241],{"class":5946},[5388,18874,18875],{"class":6038},"\"app_\"",[5388,18877,18878],{"class":5946},",           ",[5388,18880,18881],{"class":5936},"\u002F\u002F Префікс для всіх таблиць\n",[5388,18883,18884,18887,18889,18891,18894],{"class":5390,"line":5409},[5388,18885,18886],{"class":6384},"        SingularTable",[5388,18888,5947],{"class":5946},[5388,18890,8783],{"class":6096},[5388,18892,18893],{"class":5946},",             ",[5388,18895,18896],{"class":5936},"\u002F\u002F Не використовувати множину\n",[5388,18898,18899,18902,18904,18906,18909],{"class":5390,"line":5416},[5388,18900,18901],{"class":6384},"        NoLowerCase",[5388,18903,16241],{"class":5946},[5388,18905,12428],{"class":6096},[5388,18907,18908],{"class":5946},",            ",[5388,18910,18911],{"class":5936},"\u002F\u002F Використовувати CamelCase замість snake_case\n",[5388,18913,18914],{"class":5390,"line":5422},[5388,18915,15302],{"class":5946},[5388,18917,18918],{"class":5390,"line":5428},[5388,18919,14574],{"class":5946},[5388,18921,18922],{"class":5390,"line":5434},[5388,18923,5413],{"emptyLinePlaceholder":5412},[5388,18925,18926],{"class":5390,"line":5439},[5388,18927,18928],{"class":5936},"\u002F\u002F User → app_user (замість users)\n",[5388,18930,18931],{"class":5390,"line":5445},[5388,18932,18933],{"class":5936},"\u002F\u002F BlogPost → app_blogpost (замість blog_posts)\n",[5841,18935,18936,18945],{},[5266,18937,18938],{},[5229,18939,18940,18941,18944],{},"Коли використовувати ",[5204,18942,18943],{},"TableName()"," vs глобальне налаштування?",[5194,18946,18947,18954],{},[5197,18948,18949,18953],{},[5229,18950,18951],{},[5204,18952,18943],{}," — для окремих моделей, legacy таблиць, шардування.",[5197,18955,18956,18958,18959,5827],{},[5229,18957,18806],{}," — для узгодженості назв у всьому застосунку (наприклад, всі таблиці з префіксом ",[5204,18960,18961],{},"myapp_",[5266,18963,18964],{},"::",[5258,18966],{},[5261,18968,18970],{"id":18969},"порівняння-підходів-raw-sql-vs-orm","Порівняння підходів: Raw SQL vs ORM",[5266,18972,18973],{},"Тепер, коли ми розглянули обидва підходи, давайте порівняємо їх переваги та недоліки.",[5615,18975,18977,18978,5603,18980,12033],{"id":18976},"чистий-sql-databasesql-pgx","Чистий SQL (",[5204,18979,5206],{},[5204,18981,5210],{},[5266,18983,18984],{},[5229,18985,18986],{},"Переваги:",[5275,18988,18989,19005,19013,19021],{},[5197,18990,18991,18994,18996,18997,19000,19001,19004],{},[5229,18992,18993],{},"Повний контроль над запитами:",[6727,18995],{},"\nВи пишете точний SQL, що виконується. Це дозволяє використовувати всі можливості PostgreSQL: оконні функції (",[5270,18998,18999],{},"window functions","), CTE (",[5270,19002,19003],{},"Common Table Expressions","), складні агрегації.",[5197,19006,19007,19010,19012],{},[5229,19008,19009],{},"Максимальна продуктивність:",[6727,19011],{},"\nВідсутність проміжного шару ORM зменшує накладні витрати. Ви можете оптимізувати запити до мікросекунд.",[5197,19014,19015,19018,19020],{},[5229,19016,19017],{},"Прозорість:",[6727,19019],{},"\nЛегко зрозуміти, що саме відбувається з базою даних. Немає «магії» — кожен запит явний.",[5197,19022,19023,19026,19028],{},[5229,19024,19025],{},"Відсутність абстракцій, що протікають:",[6727,19027],{},"\nORM може генерувати неефективні запити (наприклад, N+1 queries). З чистим SQL ви завжди знаєте, скільки запитів виконується.",[5266,19030,19031],{},[5229,19032,19033],{},"Недоліки:",[5275,19035,19036,19044,19052],{},[5197,19037,19038,19041,19043],{},[5229,19039,19040],{},"Більше коду:",[6727,19042],{},"\nКожна операція вимагає написання SQL, передачі параметрів, обробки помилок та сканування результатів.",[5197,19045,19046,19049,19051],{},[5229,19047,19048],{},"Ризик SQL-ін'єкцій:",[6727,19050],{},"\nПотрібна дисципліна для використання параметризованих запитів.",[5197,19053,19054,19057,19059],{},[5229,19055,19056],{},"Складність роботи зі зв'язками:",[6727,19058],{},"\nЗавантаження пов'язаних даних вимагає написання JOIN або виконання кількох запитів вручну.",[5615,19061,19063],{"id":19062},"orm-gorm","ORM (GORM)",[5266,19065,19066],{},[5229,19067,18986],{},[5275,19069,19070,19078,19086,19096,19106],{},[5197,19071,19072,19075,19077],{},[5229,19073,19074],{},"Швидка розробка:",[6727,19076],{},"\nБазові операції (CRUD) виконуються однією командою. Немає потреби писати SQL для стандартних операцій.",[5197,19079,19080,19083,19085],{},[5229,19081,19082],{},"Безпека за замовчуванням:",[6727,19084],{},"\nORM автоматично використовує параметризовані запити, що захищає від SQL-ін'єкцій.",[5197,19087,19088,19091,19093,19095],{},[5229,19089,19090],{},"Автоматична робота зі зв'язками:",[6727,19092],{},[5204,19094,15079],{}," дозволяє легко завантажувати пов'язані дані без написання JOIN.",[5197,19097,19098,19101,19103,19105],{},[5229,19099,19100],{},"Міграції структур:",[6727,19102],{},[5204,19104,13670],{}," автоматично створює або оновлює таблиці на основі Go-структур.",[5197,19107,19108,19111,19113],{},[5229,19109,19110],{},"Портативність:",[6727,19112],{},"\nЗміна СУБД (з PostgreSQL на MySQL) вимагає лише зміни драйвера — код залишається незмінним.",[5266,19115,19116],{},[5229,19117,19033],{},[5275,19119,19120,19128,19136,19144],{},[5197,19121,19122,19125,19127],{},[5229,19123,19124],{},"Обмежений контроль:",[6727,19126],{},"\nСкладні запити (вкладені підзапити, оконні функції, рекурсивні CTE) важко виразити через ORM API.",[5197,19129,19130,19133,19135],{},[5229,19131,19132],{},"Накладні витрати продуктивності:",[6727,19134],{},"\nORM додає шар абстракції, що сповільнює запити на 10-30% порівняно з чистим SQL.",[5197,19137,19138,19141,19143],{},[5229,19139,19140],{},"Неявність:",[6727,19142],{},"\nНе завжди зрозуміло, який SQL генерується під капотом. Це може призвести до несподіваних проблем продуктивності.",[5197,19145,19146,19149,19151,19152,19154],{},[5229,19147,19148],{},"Проблема N+1 queries:",[6727,19150],{},"\nЯкщо забути використати ",[5204,19153,15079],{},", ORM виконає окремий запит для кожного пов'язаного об'єкта у циклі.",[5615,19156,19158],{"id":19157},"коли-використовувати-що","Коли використовувати що?",[16419,19160,19161,19168,19174],{},[5379,19162,19166],{"className":19163,"code":19164,"filename":19165,"language":6305,"meta":5384},[6303],"✅ Використовуйте, коли:\n- Потрібна максимальна продуктивність\n- Складні аналітичні запити\n- Повний контроль над SQL\n- Критичні ділянки коду (платежі, фінанси)\n- Робота з великими обсягами даних\n","Чистий SQL",[5204,19167,19164],{"__ignoreMap":5384},[5379,19169,19172],{"className":19170,"code":19171,"filename":19063,"language":6305,"meta":5384},[6303],"✅ Використовуйте, коли:\n- Швидка розробка прототипу або MVP\n- Стандартні CRUD-операції\n- Багато зв'язків між таблицями\n- Команда менш досвідчена у SQL\n- Потрібна портативність між СУБД\n",[5204,19173,19171],{"__ignoreMap":5384},[5379,19175,19179],{"className":19176,"code":19177,"filename":19178,"language":6305,"meta":5384},[6303],"✅ Найкраща практика:\n- ORM для 80% стандартних операцій\n- Чистий SQL для складних запитів\n- GORM дозволяє виконувати чистий SQL:\n  \n  db.Raw(\"SELECT * FROM users WHERE ...\").Scan(&users)\n  \n  Ви отримуєте переваги обох підходів!\n","Гібридний підхід",[5204,19180,19177],{"__ignoreMap":5384},[5841,19182,19183,19188,19193,19210],{},[5266,19184,19185],{},[5229,19186,19187],{},"Рекомендація для промислового коду:",[5266,19189,11444,19190,6786],{},[5229,19191,19192],{},"гібридний підхід",[5275,19194,19195,19198,19207],{},[5197,19196,19197],{},"Застосовуйте GORM для базових операцій (створення, читання за ID, простий пошук).",[5197,19199,19200,19201,6365,19204,5555],{},"Для складних запитів (аналітика, звіти, агрегації) пишіть чистий SQL через ",[5204,19202,19203],{},"db.Raw()",[5204,19205,19206],{},"db.Exec()",[5197,19208,19209],{},"Критичні ділянки (платежі, транзакції) реалізуйте через чистий SQL з явними транзакціями.",[5266,19211,19212],{},"Це дозволяє поєднати швидкість розробки з продуктивністю та контролем.",[5258,19214],{},[5261,19216,19218],{"id":19217},"патерн-repository-абстракція-доступу-до-даних","Патерн Repository: абстракція доступу до даних",[5266,19220,19221,19222,5555],{},"Незалежно від того, використовуєте ви чистий SQL чи ORM, важливо ізолювати логіку роботи з базою даних у окремому шарі — ",[5229,19223,11472],{},[5615,19225,19227],{"id":19226},"що-таке-repository","Що таке Repository?",[5266,19229,19230,5306,19232,19235],{},[5229,19231,11472],{},[5270,19233,19234],{},"Репозиторій",") — це патерн проєктування, який забезпечує єдиний інтерфейс для доступу до даних, приховуючи деталі реалізації (SQL, ORM, NoSQL тощо).",[5266,19237,19238],{},[5229,19239,19240],{},"Структура:",[5379,19242,19245],{"className":19243,"code":19244,"language":6305},[6303],"internal\u002F\n├── domain\u002F\n│   └── user.go          # Доменна модель (без залежностей від БД)\n├── repository\u002F\n│   ├── interface.go     # Інтерфейс репозиторію\n│   ├── postgres\u002F\n│   │   └── user_repository.go  # Реалізація через pgx\n│   └── gorm\u002F\n│       └── user_repository.go  # Реалізація через GORM\n└── usecase\u002F\n    └── user_service.go   # Бізнес-логіка (використовує інтерфейс)\n",[5204,19246,19244],{"__ignoreMap":5384},[5266,19248,19249],{},[5229,19250,19251],{},"Інтерфейс репозиторію:",[5379,19253,19255],{"className":6376,"code":19254,"language":6232,"meta":5384,"style":5384},"package repository\n\nimport (\n    \"context\"\n    \"myapp\u002Finternal\u002Fdomain\"\n)\n\ntype UserRepository interface {\n    Create(ctx context.Context, user *domain.User) error\n    GetByID(ctx context.Context, id int) (*domain.User, error)\n    GetByEmail(ctx context.Context, email string) (*domain.User, error)\n    Update(ctx context.Context, user *domain.User) error\n    Delete(ctx context.Context, id int) error\n    List(ctx context.Context, limit, offset int) ([]*domain.User, error)\n}\n",[5204,19256,19257,19263,19267,19273,19277,19282,19286,19290,19300,19333,19368,19403,19434,19459,19500],{"__ignoreMap":5384},[5388,19258,19259,19261],{"class":5390,"line":5391},[5388,19260,6422],{"class":6096},[5388,19262,7404],{"class":6425},[5388,19264,19265],{"class":5390,"line":5397},[5388,19266,5413],{"emptyLinePlaceholder":5412},[5388,19268,19269,19271],{"class":5390,"line":5403},[5388,19270,6436],{"class":6435},[5388,19272,6439],{"class":5946},[5388,19274,19275],{"class":5390,"line":5409},[5388,19276,7419],{"class":6038},[5388,19278,19279],{"class":5390,"line":5416},[5388,19280,19281],{"class":6038},"    \"myapp\u002Finternal\u002Fdomain\"\n",[5388,19283,19284],{"class":5390,"line":5422},[5388,19285,6405],{"class":5946},[5388,19287,19288],{"class":5390,"line":5428},[5388,19289,5413],{"emptyLinePlaceholder":5412},[5388,19291,19292,19294,19296,19298],{"class":5390,"line":5434},[5388,19293,7440],{"class":6096},[5388,19295,7495],{"class":6425},[5388,19297,17741],{"class":6096},[5388,19299,6561],{"class":5946},[5388,19301,19302,19305,19307,19309,19311,19313,19315,19317,19319,19321,19324,19326,19328,19330],{"class":5390,"line":5439},[5388,19303,19304],{"class":6086},"    Create",[5388,19306,6399],{"class":5946},[5388,19308,7599],{"class":6384},[5388,19310,7602],{"class":6425},[5388,19312,5555],{"class":5946},[5388,19314,7607],{"class":6425},[5388,19316,5603],{"class":5946},[5388,19318,7612],{"class":6384},[5388,19320,7036],{"class":5946},[5388,19322,19323],{"class":6425},"domain",[5388,19325,5555],{"class":5946},[5388,19327,7617],{"class":6425},[5388,19329,7046],{"class":5946},[5388,19331,19332],{"class":6425},"error\n",[5388,19334,19335,19338,19340,19342,19344,19346,19348,19350,19352,19354,19356,19358,19360,19362,19364,19366],{"class":5390,"line":5445},[5388,19336,19337],{"class":6086},"    GetByID",[5388,19339,6399],{"class":5946},[5388,19341,7599],{"class":6384},[5388,19343,7602],{"class":6425},[5388,19345,5555],{"class":5946},[5388,19347,7607],{"class":6425},[5388,19349,5603],{"class":5946},[5388,19351,8032],{"class":6384},[5388,19353,8035],{"class":6425},[5388,19355,8038],{"class":5946},[5388,19357,19323],{"class":6425},[5388,19359,5555],{"class":5946},[5388,19361,7617],{"class":6425},[5388,19363,5603],{"class":5946},[5388,19365,7049],{"class":6425},[5388,19367,6405],{"class":5946},[5388,19369,19370,19373,19375,19377,19379,19381,19383,19385,19387,19389,19391,19393,19395,19397,19399,19401],{"class":5390,"line":5451},[5388,19371,19372],{"class":6086},"    GetByEmail",[5388,19374,6399],{"class":5946},[5388,19376,7599],{"class":6384},[5388,19378,7602],{"class":6425},[5388,19380,5555],{"class":5946},[5388,19382,7607],{"class":6425},[5388,19384,5603],{"class":5946},[5388,19386,7925],{"class":6384},[5388,19388,9935],{"class":6425},[5388,19390,8038],{"class":5946},[5388,19392,19323],{"class":6425},[5388,19394,5555],{"class":5946},[5388,19396,7617],{"class":6425},[5388,19398,5603],{"class":5946},[5388,19400,7049],{"class":6425},[5388,19402,6405],{"class":5946},[5388,19404,19405,19408,19410,19412,19414,19416,19418,19420,19422,19424,19426,19428,19430,19432],{"class":5390,"line":5456},[5388,19406,19407],{"class":6086},"    Update",[5388,19409,6399],{"class":5946},[5388,19411,7599],{"class":6384},[5388,19413,7602],{"class":6425},[5388,19415,5555],{"class":5946},[5388,19417,7607],{"class":6425},[5388,19419,5603],{"class":5946},[5388,19421,7612],{"class":6384},[5388,19423,7036],{"class":5946},[5388,19425,19323],{"class":6425},[5388,19427,5555],{"class":5946},[5388,19429,7617],{"class":6425},[5388,19431,7046],{"class":5946},[5388,19433,19332],{"class":6425},[5388,19435,19436,19439,19441,19443,19445,19447,19449,19451,19453,19455,19457],{"class":5390,"line":5462},[5388,19437,19438],{"class":6086},"    Delete",[5388,19440,6399],{"class":5946},[5388,19442,7599],{"class":6384},[5388,19444,7602],{"class":6425},[5388,19446,5555],{"class":5946},[5388,19448,7607],{"class":6425},[5388,19450,5603],{"class":5946},[5388,19452,8032],{"class":6384},[5388,19454,8035],{"class":6425},[5388,19456,7046],{"class":5946},[5388,19458,19332],{"class":6425},[5388,19460,19461,19464,19466,19468,19470,19472,19474,19476,19479,19481,19484,19486,19488,19490,19492,19494,19496,19498],{"class":5390,"line":5468},[5388,19462,19463],{"class":6086},"    List",[5388,19465,6399],{"class":5946},[5388,19467,7599],{"class":6384},[5388,19469,7602],{"class":6425},[5388,19471,5555],{"class":5946},[5388,19473,7607],{"class":6425},[5388,19475,5603],{"class":5946},[5388,19477,19478],{"class":6384},"limit",[5388,19480,5603],{"class":5946},[5388,19482,19483],{"class":6384},"offset",[5388,19485,8035],{"class":6425},[5388,19487,8377],{"class":5946},[5388,19489,19323],{"class":6425},[5388,19491,5555],{"class":5946},[5388,19493,7617],{"class":6425},[5388,19495,5603],{"class":5946},[5388,19497,7049],{"class":6425},[5388,19499,6405],{"class":5946},[5388,19501,19502],{"class":5390,"line":5474},[5388,19503,5711],{"class":5946},[5266,19505,19506],{},[5229,19507,19508],{},"Реалізація через чистий SQL (pgx):",[5379,19510,19512],{"className":6376,"code":19511,"language":6232,"meta":5384,"style":5384},"package postgres\n\nimport (\n    \"context\"\n    \"database\u002Fsql\"\n    \"myapp\u002Finternal\u002Fdomain\"\n    \"myapp\u002Finternal\u002Frepository\"\n)\n\ntype userRepository struct {\n    db *sql.DB\n}\n\nfunc NewUserRepository(db *sql.DB) repository.UserRepository {\n    return &userRepository{db: db}\n}\n\nfunc (r *userRepository) Create(ctx context.Context, user *domain.User) error {\n    query := `INSERT INTO users (email, password_hash, full_name) \n              VALUES ($1, $2, $3) RETURNING id`\n    return r.db.QueryRowContext(ctx, query,\n        user.Email, user.PasswordHash, user.FullName,\n    ).Scan(&user.ID)\n}\n\n\u002F\u002F ... інші методи\n",[5204,19513,19514,19521,19525,19531,19535,19539,19543,19548,19552,19556,19567,19579,19583,19587,19616,19635,19639,19643,19687,19696,19701,19726,19752,19768,19772,19776],{"__ignoreMap":5384},[5388,19515,19516,19518],{"class":5390,"line":5391},[5388,19517,6422],{"class":6096},[5388,19519,19520],{"class":6425}," postgres\n",[5388,19522,19523],{"class":5390,"line":5397},[5388,19524,5413],{"emptyLinePlaceholder":5412},[5388,19526,19527,19529],{"class":5390,"line":5403},[5388,19528,6436],{"class":6435},[5388,19530,6439],{"class":5946},[5388,19532,19533],{"class":5390,"line":5409},[5388,19534,7419],{"class":6038},[5388,19536,19537],{"class":5390,"line":5416},[5388,19538,6444],{"class":6038},[5388,19540,19541],{"class":5390,"line":5422},[5388,19542,19281],{"class":6038},[5388,19544,19545],{"class":5390,"line":5428},[5388,19546,19547],{"class":6038},"    \"myapp\u002Finternal\u002Frepository\"\n",[5388,19549,19550],{"class":5390,"line":5434},[5388,19551,6405],{"class":5946},[5388,19553,19554],{"class":5390,"line":5439},[5388,19555,5413],{"emptyLinePlaceholder":5412},[5388,19557,19558,19560,19563,19565],{"class":5390,"line":5445},[5388,19559,7440],{"class":6096},[5388,19561,19562],{"class":6425}," userRepository",[5388,19564,7446],{"class":6096},[5388,19566,6561],{"class":5946},[5388,19568,19569,19571,19573,19575,19577],{"class":5390,"line":5451},[5388,19570,6518],{"class":6384},[5388,19572,7036],{"class":5946},[5388,19574,6528],{"class":6425},[5388,19576,5555],{"class":5946},[5388,19578,7512],{"class":6425},[5388,19580,19581],{"class":5390,"line":5456},[5388,19582,5711],{"class":5946},[5388,19584,19585],{"class":5390,"line":5462},[5388,19586,5413],{"emptyLinePlaceholder":5412},[5388,19588,19589,19591,19593,19595,19597,19599,19601,19603,19605,19607,19610,19612,19614],{"class":5390,"line":5468},[5388,19590,6483],{"class":6096},[5388,19592,7527],{"class":6086},[5388,19594,6399],{"class":5946},[5388,19596,6629],{"class":6384},[5388,19598,7036],{"class":5946},[5388,19600,6528],{"class":6425},[5388,19602,5555],{"class":5946},[5388,19604,7043],{"class":6425},[5388,19606,7046],{"class":5946},[5388,19608,19609],{"class":6425},"repository",[5388,19611,5555],{"class":5946},[5388,19613,7545],{"class":6425},[5388,19615,6561],{"class":5946},[5388,19617,19618,19620,19622,19625,19627,19629,19631,19633],{"class":5390,"line":5474},[5388,19619,7198],{"class":6435},[5388,19621,7554],{"class":5946},[5388,19623,19624],{"class":6425},"userRepository",[5388,19626,7559],{"class":5946},[5388,19628,6629],{"class":6384},[5388,19630,5947],{"class":5946},[5388,19632,6629],{"class":6384},[5388,19634,5711],{"class":5946},[5388,19636,19637],{"class":5390,"line":5480},[5388,19638,5711],{"class":5946},[5388,19640,19641],{"class":5390,"line":5486},[5388,19642,5413],{"emptyLinePlaceholder":5412},[5388,19644,19645,19647,19649,19651,19653,19655,19657,19659,19661,19663,19665,19667,19669,19671,19673,19675,19677,19679,19681,19683,19685],{"class":5390,"line":5491},[5388,19646,6483],{"class":6096},[5388,19648,5306],{"class":5946},[5388,19650,7584],{"class":6384},[5388,19652,7587],{"class":5946},[5388,19654,19624],{"class":6425},[5388,19656,7046],{"class":5946},[5388,19658,7594],{"class":6086},[5388,19660,6399],{"class":5946},[5388,19662,7599],{"class":6384},[5388,19664,7602],{"class":6425},[5388,19666,5555],{"class":5946},[5388,19668,7607],{"class":6425},[5388,19670,5603],{"class":5946},[5388,19672,7612],{"class":6384},[5388,19674,7036],{"class":5946},[5388,19676,19323],{"class":6425},[5388,19678,5555],{"class":5946},[5388,19680,7617],{"class":6425},[5388,19682,7046],{"class":5946},[5388,19684,7049],{"class":6425},[5388,19686,6561],{"class":5946},[5388,19688,19689,19691,19693],{"class":5390,"line":5497},[5388,19690,7056],{"class":6384},[5388,19692,6388],{"class":5946},[5388,19694,19695],{"class":6038},"`INSERT INTO users (email, password_hash, full_name) \n",[5388,19697,19698],{"class":5390,"line":5502},[5388,19699,19700],{"class":6038},"              VALUES ($1, $2, $3) RETURNING id`\n",[5388,19702,19703,19705,19708,19710,19712,19714,19716,19718,19720,19722,19724],{"class":5390,"line":5508},[5388,19704,7198],{"class":6435},[5388,19706,19707],{"class":6384}," r",[5388,19709,5555],{"class":5946},[5388,19711,6629],{"class":6384},[5388,19713,5555],{"class":5946},[5388,19715,7682],{"class":6086},[5388,19717,6399],{"class":5946},[5388,19719,7599],{"class":6384},[5388,19721,5603],{"class":5946},[5388,19723,7127],{"class":6384},[5388,19725,7693],{"class":5946},[5388,19727,19728,19730,19732,19734,19736,19738,19740,19742,19744,19746,19748,19750],{"class":5390,"line":5513},[5388,19729,7699],{"class":6384},[5388,19731,5555],{"class":5946},[5388,19733,7704],{"class":6384},[5388,19735,5603],{"class":5946},[5388,19737,7612],{"class":6384},[5388,19739,5555],{"class":5946},[5388,19741,7716],{"class":6384},[5388,19743,5603],{"class":5946},[5388,19745,7612],{"class":6384},[5388,19747,5555],{"class":5946},[5388,19749,7728],{"class":6384},[5388,19751,7693],{"class":5946},[5388,19753,19754,19756,19758,19760,19762,19764,19766],{"class":5390,"line":5518},[5388,19755,7736],{"class":5946},[5388,19757,7739],{"class":6086},[5388,19759,7742],{"class":5946},[5388,19761,7612],{"class":6384},[5388,19763,5555],{"class":5946},[5388,19765,7749],{"class":6384},[5388,19767,6405],{"class":5946},[5388,19769,19770],{"class":5390,"line":5524},[5388,19771,5711],{"class":5946},[5388,19773,19774],{"class":5390,"line":5530},[5388,19775,5413],{"emptyLinePlaceholder":5412},[5388,19777,19778],{"class":5390,"line":5535},[5388,19779,19780],{"class":5936},"\u002F\u002F ... інші методи\n",[5266,19782,19783],{},[5229,19784,19785],{},"Реалізація через GORM:",[5379,19787,19789],{"className":6376,"code":19788,"language":6232,"meta":5384,"style":5384},"package gormrepo\n\nimport (\n    \"context\"\n    \"myapp\u002Finternal\u002Fdomain\"\n    \"myapp\u002Finternal\u002Frepository\"\n    \"gorm.io\u002Fgorm\"\n)\n\ntype userRepository struct {\n    db *gorm.DB\n}\n\nfunc NewUserRepository(db *gorm.DB) repository.UserRepository {\n    return &userRepository{db: db}\n}\n\nfunc (r *userRepository) Create(ctx context.Context, user *domain.User) error {\n    return r.db.WithContext(ctx).Create(user).Error\n}\n\n\u002F\u002F ... інші методи\n",[5204,19790,19791,19798,19802,19808,19812,19816,19820,19824,19828,19832,19842,19854,19858,19862,19890,19908,19912,19916,19960,19991,19995,19999],{"__ignoreMap":5384},[5388,19792,19793,19795],{"class":5390,"line":5391},[5388,19794,6422],{"class":6096},[5388,19796,19797],{"class":6425}," gormrepo\n",[5388,19799,19800],{"class":5390,"line":5397},[5388,19801,5413],{"emptyLinePlaceholder":5412},[5388,19803,19804,19806],{"class":5390,"line":5403},[5388,19805,6436],{"class":6435},[5388,19807,6439],{"class":5946},[5388,19809,19810],{"class":5390,"line":5409},[5388,19811,7419],{"class":6038},[5388,19813,19814],{"class":5390,"line":5416},[5388,19815,19281],{"class":6038},[5388,19817,19818],{"class":5390,"line":5422},[5388,19819,19547],{"class":6038},[5388,19821,19822],{"class":5390,"line":5428},[5388,19823,13186],{"class":6038},[5388,19825,19826],{"class":5390,"line":5434},[5388,19827,6405],{"class":5946},[5388,19829,19830],{"class":5390,"line":5439},[5388,19831,5413],{"emptyLinePlaceholder":5412},[5388,19833,19834,19836,19838,19840],{"class":5390,"line":5445},[5388,19835,7440],{"class":6096},[5388,19837,19562],{"class":6425},[5388,19839,7446],{"class":6096},[5388,19841,6561],{"class":5946},[5388,19843,19844,19846,19848,19850,19852],{"class":5390,"line":5451},[5388,19845,6518],{"class":6384},[5388,19847,7036],{"class":5946},[5388,19849,13228],{"class":6425},[5388,19851,5555],{"class":5946},[5388,19853,7512],{"class":6425},[5388,19855,19856],{"class":5390,"line":5456},[5388,19857,5711],{"class":5946},[5388,19859,19860],{"class":5390,"line":5462},[5388,19861,5413],{"emptyLinePlaceholder":5412},[5388,19863,19864,19866,19868,19870,19872,19874,19876,19878,19880,19882,19884,19886,19888],{"class":5390,"line":5468},[5388,19865,6483],{"class":6096},[5388,19867,7527],{"class":6086},[5388,19869,6399],{"class":5946},[5388,19871,6629],{"class":6384},[5388,19873,7036],{"class":5946},[5388,19875,13228],{"class":6425},[5388,19877,5555],{"class":5946},[5388,19879,7043],{"class":6425},[5388,19881,7046],{"class":5946},[5388,19883,19609],{"class":6425},[5388,19885,5555],{"class":5946},[5388,19887,7545],{"class":6425},[5388,19889,6561],{"class":5946},[5388,19891,19892,19894,19896,19898,19900,19902,19904,19906],{"class":5390,"line":5474},[5388,19893,7198],{"class":6435},[5388,19895,7554],{"class":5946},[5388,19897,19624],{"class":6425},[5388,19899,7559],{"class":5946},[5388,19901,6629],{"class":6384},[5388,19903,5947],{"class":5946},[5388,19905,6629],{"class":6384},[5388,19907,5711],{"class":5946},[5388,19909,19910],{"class":5390,"line":5480},[5388,19911,5711],{"class":5946},[5388,19913,19914],{"class":5390,"line":5486},[5388,19915,5413],{"emptyLinePlaceholder":5412},[5388,19917,19918,19920,19922,19924,19926,19928,19930,19932,19934,19936,19938,19940,19942,19944,19946,19948,19950,19952,19954,19956,19958],{"class":5390,"line":5491},[5388,19919,6483],{"class":6096},[5388,19921,5306],{"class":5946},[5388,19923,7584],{"class":6384},[5388,19925,7587],{"class":5946},[5388,19927,19624],{"class":6425},[5388,19929,7046],{"class":5946},[5388,19931,7594],{"class":6086},[5388,19933,6399],{"class":5946},[5388,19935,7599],{"class":6384},[5388,19937,7602],{"class":6425},[5388,19939,5555],{"class":5946},[5388,19941,7607],{"class":6425},[5388,19943,5603],{"class":5946},[5388,19945,7612],{"class":6384},[5388,19947,7036],{"class":5946},[5388,19949,19323],{"class":6425},[5388,19951,5555],{"class":5946},[5388,19953,7617],{"class":6425},[5388,19955,7046],{"class":5946},[5388,19957,7049],{"class":6425},[5388,19959,6561],{"class":5946},[5388,19961,19962,19964,19966,19968,19970,19972,19975,19977,19979,19981,19983,19985,19987,19989],{"class":5390,"line":5497},[5388,19963,7198],{"class":6435},[5388,19965,19707],{"class":6384},[5388,19967,5555],{"class":5946},[5388,19969,6629],{"class":6384},[5388,19971,5555],{"class":5946},[5388,19973,19974],{"class":6086},"WithContext",[5388,19976,6399],{"class":5946},[5388,19978,7599],{"class":6384},[5388,19980,5827],{"class":5946},[5388,19982,7594],{"class":6086},[5388,19984,6399],{"class":5946},[5388,19986,7612],{"class":6384},[5388,19988,5827],{"class":5946},[5388,19990,16317],{"class":6384},[5388,19992,19993],{"class":5390,"line":5502},[5388,19994,5711],{"class":5946},[5388,19996,19997],{"class":5390,"line":5508},[5388,19998,5413],{"emptyLinePlaceholder":5412},[5388,20000,20001],{"class":5390,"line":5513},[5388,20002,19780],{"class":5936},[5266,20004,20005],{},[5229,20006,20007],{},"UseCase (бізнес-логіка):",[5379,20009,20011],{"className":6376,"code":20010,"language":6232,"meta":5384,"style":5384},"package usecase\n\nimport (\n    \"context\"\n    \"myapp\u002Finternal\u002Fdomain\"\n    \"myapp\u002Finternal\u002Frepository\"\n)\n\ntype UserService struct {\n    repo repository.UserRepository\n}\n\nfunc NewUserService(repo repository.UserRepository) *UserService {\n    return &UserService{repo: repo}\n}\n\nfunc (s *UserService) RegisterUser(ctx context.Context, email, password, fullName string) (*domain.User, error) {\n    \u002F\u002F Перевірка, чи користувач вже існує\n    existing, _ := s.repo.GetByEmail(ctx, email)\n    if existing != nil {\n        return nil, errors.New(\"користувач з таким email вже існує\")\n    }\n    \n    \u002F\u002F Хешування пароля\n    hash, err := bcrypt.GenerateFromPassword([]byte(password), bcrypt.DefaultCost)\n    if err != nil {\n        return nil, err\n    }\n    \n    \u002F\u002F Створення користувача\n    user := &domain.User{\n        Email:        email,\n        PasswordHash: string(hash),\n        FullName:     fullName,\n    }\n    \n    if err := s.repo.Create(ctx, user); err != nil {\n        return nil, err\n    }\n    \n    return user, nil\n}\n",[5204,20012,20013,20020,20024,20030,20034,20038,20042,20046,20050,20061,20074,20078,20082,20107,20125,20129,20133,20191,20196,20229,20242,20264,20268,20272,20277,20311,20323,20334,20338,20342,20347,20361,20372,20388,20399,20403,20407,20443,20453,20457,20461,20471],{"__ignoreMap":5384},[5388,20014,20015,20017],{"class":5390,"line":5391},[5388,20016,6422],{"class":6096},[5388,20018,20019],{"class":6425}," usecase\n",[5388,20021,20022],{"class":5390,"line":5397},[5388,20023,5413],{"emptyLinePlaceholder":5412},[5388,20025,20026,20028],{"class":5390,"line":5403},[5388,20027,6436],{"class":6435},[5388,20029,6439],{"class":5946},[5388,20031,20032],{"class":5390,"line":5409},[5388,20033,7419],{"class":6038},[5388,20035,20036],{"class":5390,"line":5416},[5388,20037,19281],{"class":6038},[5388,20039,20040],{"class":5390,"line":5422},[5388,20041,19547],{"class":6038},[5388,20043,20044],{"class":5390,"line":5428},[5388,20045,6405],{"class":5946},[5388,20047,20048],{"class":5390,"line":5434},[5388,20049,5413],{"emptyLinePlaceholder":5412},[5388,20051,20052,20054,20057,20059],{"class":5390,"line":5439},[5388,20053,7440],{"class":6096},[5388,20055,20056],{"class":6425}," UserService",[5388,20058,7446],{"class":6096},[5388,20060,6561],{"class":5946},[5388,20062,20063,20066,20069,20071],{"class":5390,"line":5445},[5388,20064,20065],{"class":6384},"    repo",[5388,20067,20068],{"class":6425}," repository",[5388,20070,5555],{"class":5946},[5388,20072,20073],{"class":6425},"UserRepository\n",[5388,20075,20076],{"class":5390,"line":5451},[5388,20077,5711],{"class":5946},[5388,20079,20080],{"class":5390,"line":5456},[5388,20081,5413],{"emptyLinePlaceholder":5412},[5388,20083,20084,20086,20089,20091,20094,20096,20098,20100,20102,20105],{"class":5390,"line":5462},[5388,20085,6483],{"class":6096},[5388,20087,20088],{"class":6086}," NewUserService",[5388,20090,6399],{"class":5946},[5388,20092,20093],{"class":6384},"repo",[5388,20095,20068],{"class":6425},[5388,20097,5555],{"class":5946},[5388,20099,7545],{"class":6425},[5388,20101,7542],{"class":5946},[5388,20103,20104],{"class":6425},"UserService",[5388,20106,6561],{"class":5946},[5388,20108,20109,20111,20113,20115,20117,20119,20121,20123],{"class":5390,"line":5468},[5388,20110,7198],{"class":6435},[5388,20112,7554],{"class":5946},[5388,20114,20104],{"class":6425},[5388,20116,7559],{"class":5946},[5388,20118,20093],{"class":6384},[5388,20120,5947],{"class":5946},[5388,20122,20093],{"class":6384},[5388,20124,5711],{"class":5946},[5388,20126,20127],{"class":5390,"line":5474},[5388,20128,5711],{"class":5946},[5388,20130,20131],{"class":5390,"line":5480},[5388,20132,5413],{"emptyLinePlaceholder":5412},[5388,20134,20135,20137,20139,20142,20144,20146,20148,20151,20153,20155,20157,20159,20161,20163,20165,20167,20170,20172,20175,20177,20179,20181,20183,20185,20187,20189],{"class":5390,"line":5486},[5388,20136,6483],{"class":6096},[5388,20138,5306],{"class":5946},[5388,20140,20141],{"class":6384},"s ",[5388,20143,7587],{"class":5946},[5388,20145,20104],{"class":6425},[5388,20147,7046],{"class":5946},[5388,20149,20150],{"class":6086},"RegisterUser",[5388,20152,6399],{"class":5946},[5388,20154,7599],{"class":6384},[5388,20156,7602],{"class":6425},[5388,20158,5555],{"class":5946},[5388,20160,7607],{"class":6425},[5388,20162,5603],{"class":5946},[5388,20164,7925],{"class":6384},[5388,20166,5603],{"class":5946},[5388,20168,20169],{"class":6384},"password",[5388,20171,5603],{"class":5946},[5388,20173,20174],{"class":6384},"fullName",[5388,20176,9935],{"class":6425},[5388,20178,8038],{"class":5946},[5388,20180,19323],{"class":6425},[5388,20182,5555],{"class":5946},[5388,20184,7617],{"class":6425},[5388,20186,5603],{"class":5946},[5388,20188,7049],{"class":6425},[5388,20190,8047],{"class":5946},[5388,20192,20193],{"class":5390,"line":5491},[5388,20194,20195],{"class":5936},"    \u002F\u002F Перевірка, чи користувач вже існує\n",[5388,20197,20198,20201,20203,20205,20207,20210,20212,20214,20216,20219,20221,20223,20225,20227],{"class":5390,"line":5497},[5388,20199,20200],{"class":6384},"    existing",[5388,20202,5603],{"class":5946},[5388,20204,6712],{"class":6384},[5388,20206,6388],{"class":5946},[5388,20208,20209],{"class":6384},"s",[5388,20211,5555],{"class":5946},[5388,20213,20093],{"class":6384},[5388,20215,5555],{"class":5946},[5388,20217,20218],{"class":6086},"GetByEmail",[5388,20220,6399],{"class":5946},[5388,20222,7599],{"class":6384},[5388,20224,5603],{"class":5946},[5388,20226,7925],{"class":6384},[5388,20228,6405],{"class":5946},[5388,20230,20231,20233,20236,20238,20240],{"class":5390,"line":5502},[5388,20232,6549],{"class":6435},[5388,20234,20235],{"class":6384}," existing",[5388,20237,6555],{"class":5946},[5388,20239,6558],{"class":6096},[5388,20241,6561],{"class":5946},[5388,20243,20244,20246,20248,20250,20253,20255,20257,20259,20262],{"class":5390,"line":5508},[5388,20245,7146],{"class":6435},[5388,20247,8209],{"class":6096},[5388,20249,5603],{"class":5946},[5388,20251,20252],{"class":6384},"errors",[5388,20254,5555],{"class":5946},[5388,20256,12704],{"class":6086},[5388,20258,6399],{"class":5946},[5388,20260,20261],{"class":6038},"\"користувач з таким email вже існує\"",[5388,20263,6405],{"class":5946},[5388,20265,20266],{"class":5390,"line":5513},[5388,20267,6593],{"class":5946},[5388,20269,20270],{"class":5390,"line":5518},[5388,20271,6459],{"class":5946},[5388,20273,20274],{"class":5390,"line":5524},[5388,20275,20276],{"class":5936},"    \u002F\u002F Хешування пароля\n",[5388,20278,20279,20281,20283,20285,20287,20289,20291,20293,20295,20297,20299,20301,20303,20305,20307,20309],{"class":5390,"line":5530},[5388,20280,15712],{"class":6384},[5388,20282,5603],{"class":5946},[5388,20284,6523],{"class":6384},[5388,20286,6388],{"class":5946},[5388,20288,15721],{"class":6384},[5388,20290,5555],{"class":5946},[5388,20292,15726],{"class":6086},[5388,20294,15729],{"class":5946},[5388,20296,15732],{"class":6425},[5388,20298,6399],{"class":5946},[5388,20300,20169],{"class":6384},[5388,20302,15743],{"class":5946},[5388,20304,15721],{"class":6384},[5388,20306,5555],{"class":5946},[5388,20308,15750],{"class":6384},[5388,20310,6405],{"class":5946},[5388,20312,20313,20315,20317,20319,20321],{"class":5390,"line":5535},[5388,20314,6549],{"class":6435},[5388,20316,6552],{"class":6384},[5388,20318,6555],{"class":5946},[5388,20320,6558],{"class":6096},[5388,20322,6561],{"class":5946},[5388,20324,20325,20327,20329,20331],{"class":5390,"line":5803},[5388,20326,7146],{"class":6435},[5388,20328,8209],{"class":6096},[5388,20330,5603],{"class":5946},[5388,20332,20333],{"class":6384},"err\n",[5388,20335,20336],{"class":5390,"line":5808},[5388,20337,6593],{"class":5946},[5388,20339,20340],{"class":5390,"line":7649},[5388,20341,6459],{"class":5946},[5388,20343,20344],{"class":5390,"line":7654},[5388,20345,20346],{"class":5936},"    \u002F\u002F Створення користувача\n",[5388,20348,20349,20351,20353,20355,20357,20359],{"class":5390,"line":7659},[5388,20350,8083],{"class":6384},[5388,20352,8086],{"class":5946},[5388,20354,19323],{"class":6425},[5388,20356,5555],{"class":5946},[5388,20358,7617],{"class":6425},[5388,20360,13785],{"class":5946},[5388,20362,20363,20366,20368,20370],{"class":5390,"line":7665},[5388,20364,20365],{"class":6384},"        Email",[5388,20367,13792],{"class":5946},[5388,20369,7925],{"class":6384},[5388,20371,7693],{"class":5946},[5388,20373,20374,20377,20379,20381,20383,20385],{"class":5390,"line":7696},[5388,20375,20376],{"class":6384},"        PasswordHash",[5388,20378,5947],{"class":5946},[5388,20380,13511],{"class":6425},[5388,20382,6399],{"class":5946},[5388,20384,15796],{"class":6384},[5388,20386,20387],{"class":5946},"),\n",[5388,20389,20390,20393,20395,20397],{"class":5390,"line":7709},[5388,20391,20392],{"class":6384},"        FullName",[5388,20394,13815],{"class":5946},[5388,20396,20174],{"class":6384},[5388,20398,7693],{"class":5946},[5388,20400,20401],{"class":5390,"line":7721},[5388,20402,6593],{"class":5946},[5388,20404,20405],{"class":5390,"line":7733},[5388,20406,6459],{"class":5946},[5388,20408,20409,20411,20413,20415,20417,20419,20421,20423,20425,20427,20429,20431,20433,20435,20437,20439,20441],{"class":5390,"line":7754},[5388,20410,6549],{"class":6435},[5388,20412,6552],{"class":6384},[5388,20414,6388],{"class":5946},[5388,20416,20209],{"class":6384},[5388,20418,5555],{"class":5946},[5388,20420,20093],{"class":6384},[5388,20422,5555],{"class":5946},[5388,20424,7594],{"class":6086},[5388,20426,6399],{"class":5946},[5388,20428,7599],{"class":6384},[5388,20430,5603],{"class":5946},[5388,20432,7612],{"class":6384},[5388,20434,8584],{"class":5946},[5388,20436,6523],{"class":6384},[5388,20438,6555],{"class":5946},[5388,20440,6558],{"class":6096},[5388,20442,6561],{"class":5946},[5388,20444,20445,20447,20449,20451],{"class":5390,"line":7759},[5388,20446,7146],{"class":6435},[5388,20448,8209],{"class":6096},[5388,20450,5603],{"class":5946},[5388,20452,20333],{"class":6384},[5388,20454,20455],{"class":5390,"line":7772},[5388,20456,6593],{"class":5946},[5388,20458,20459],{"class":5390,"line":7798},[5388,20460,6459],{"class":5946},[5388,20462,20463,20465,20467,20469],{"class":5390,"line":7803},[5388,20464,7198],{"class":6435},[5388,20466,8295],{"class":6384},[5388,20468,5603],{"class":5946},[5388,20470,8300],{"class":6096},[5388,20472,20473],{"class":5390,"line":7808},[5388,20474,5711],{"class":5946},[5266,20476,20477],{},[5229,20478,20479],{},"Переваги патерну Repository:",[5275,20481,20482,20488,20494,20500],{},[5197,20483,20484,20487],{},[5229,20485,20486],{},"Слабка зв'язність:"," бізнес-логіка не залежить від конкретної реалізації доступу до даних.",[5197,20489,20490,20493],{},[5229,20491,20492],{},"Тестованість:"," можна легко замінити реальну базу даних на mock-об'єкт у тестах.",[5197,20495,20496,20499],{},[5229,20497,20498],{},"Гнучкість:"," можна змінити СУБД (з PostgreSQL на MongoDB) або підхід (з SQL на ORM), не торкаючись бізнес-логіки.",[5197,20501,20502,20505],{},[5229,20503,20504],{},"Повторне використання:"," один інтерфейс може мати кілька реалізацій (SQL, GORM, in-memory для тестів).",[5258,20507],{},[5261,20509,20511],{"id":20510},"підсумок","Підсумок",[5266,20513,20514],{},"У цій лекції ми опанували базові навички роботи з реляційними базами даних у Go:",[5186,20516,20517,20639],{},[5189,20518,20521,20526,20573],{"icon":20519,"title":20520},"i-lucide-check-circle","✅ Що ми вивчили",[5266,20522,20523],{},[5229,20524,20525],{},"Робота з базами даних через database\u002Fsql:",[5275,20527,20528,20531,20537,20543,20553,20558,20568],{},[5197,20529,20530],{},"Роль баз даних у клієнт-серверних системах та концепція персистентності даних.",[5197,20532,20533,20534,20536],{},"Стандартний інтерфейс ",[5204,20535,5206],{}," та архітектура драйверів.",[5197,20538,20539,20540,20542],{},"Підключення до PostgreSQL через драйвер ",[5204,20541,5210],{}," та налаштування пулу з'єднань.",[5197,20544,20545,20546,5603,20548,5603,20550,20552],{},"Виконання SQL-запитів: ",[5204,20547,7122],{},[5204,20549,8828],{},[5204,20551,10238],{},", параметризовані запити.",[5197,20554,20555,20556,5555],{},"Бібліотека sqlx для спрощення сканування результатів у структури через теги ",[5204,20557,6629],{},[5197,20559,20560,20561,5603,20563,5603,20565,20567],{},"Транзакції: ACID властивості, ",[5204,20562,10957],{},[5204,20564,11324],{},[5204,20566,11058],{},", SavePoints.",[5197,20569,20570,20571,5555],{},"Версіонування схеми через міграції ",[5204,20572,11961],{},[5266,20574,20575,20578,20579,20582,20583,20586,20587,20590,20591,20594,20595,20598,20599,20602,20603,20606,20607,20610,20611,20614,20615,20618,20619,20622,20623,20626,20627,20630,20631,20634,20635,20638],{},[5229,20576,20577],{},"Всебічне опанування GORM:","\n8. ",[5229,20580,20581],{},"Моделі:"," повна специфікація тегів структур, embedded структури, перевизначення імен таблиць.\n9. ",[5229,20584,20585],{},"CRUD операції:"," розширені можливості Where, Or, Not, Select, Omit, Order, Limit, Distinct, Group, Having.\n10. ",[5229,20588,20589],{},"Scopes:"," переважні запити для DRY принципу та композиційних фільтрів.\n11. ",[5229,20592,20593],{},"Batch операції:"," CreateInBatches, FindInBatches, Upsert (OnConflict), оптимізація продуктивності.\n12. ",[5229,20596,20597],{},"Зв'язки:"," детальна робота з 1:1, 1:N, N:M, Association API, Preload vs Joins, поліморфні зв'язки, self-referencing.\n13. ",[5229,20600,20601],{},"Session та контекст:"," WithContext, Session налаштування (DryRun, SkipHooks, PrepareStmt).\n14. ",[5229,20604,20605],{},"Raw SQL:"," інтеграція чистого SQL, субзапити, змішування підходів.\n15. ",[5229,20608,20609],{},"Транзакції:"," вкладені транзакції, рівні ізоляції, pessimistic\u002Foptimistic locking.\n16. ",[5229,20612,20613],{},"Logger та Debug:"," налаштування логування, кастомні логери, інтеграція з slog.\n17. ",[5229,20616,20617],{},"Migrator:"," програмне управління схемою БД, операції з таблицями, колонками, індексами.\n18. ",[5229,20620,20621],{},"Хуки:"," BeforeCreate, AfterUpdate тощо для автоматичної обробки подій моделей.\n19. ",[5229,20624,20625],{},"Callbacks система:"," глобальні обробники для розширення функціональності GORM.\n20. ",[5229,20628,20629],{},"Plugins:"," створення власних плагінів, інтеграція з Prometheus, OpenTelemetry, кешування.\n21. ",[5229,20632,20633],{},"Оптимізація:"," N+1 queries, індекси, prepared statements, connection pool.\n22. ",[5229,20636,20637],{},"Патерн Repository:"," абстракція доступу до даних для слабкої зв'язності та тестованості.",[5189,20640,20642,20647,20677,20682,20704,20709],{"icon":15,"title":20641},"📚 Ключові концепції",[5266,20643,20644],{},[5229,20645,20646],{},"Основи баз даних:",[5194,20648,20649,20655,20665,20671],{},[5197,20650,20651,20654],{},[5229,20652,20653],{},"Connection Pool:"," механізм багаторазового використання з'єднань для підвищення продуктивності.",[5197,20656,20657,20660,20661,5603,20663,5555],{},[5229,20658,20659],{},"Параметризовані запити:"," захист від SQL-ін'єкцій через плейсхолдери ",[5204,20662,7832],{},[5204,20664,7835],{},[5197,20666,20667,20670],{},[5229,20668,20669],{},"ACID:"," атомарність, узгодженість, ізольованість, довговічність транзакцій.",[5197,20672,20673,20676],{},[5229,20674,20675],{},"Міграції:"," версіоновані SQL-скрипти для керування змінами схеми БД.",[5266,20678,20679],{},[5229,20680,20681],{},"Підходи до роботи з БД:",[5194,20683,20684,20690,20698],{},[5197,20685,20686,20689],{},[5229,20687,20688],{},"database\u002Fsql:"," низькорівневий інтерфейс, повний контроль, максимальна продуктивність.",[5197,20691,20692,20695,20696,5555],{},[5229,20693,20694],{},"sqlx:"," обгортка для автоматичного сканування результатів SQL у структури через теги ",[5204,20697,6629],{},[5197,20699,20700,20703],{},[5229,20701,20702],{},"ORM:"," автоматичне відображення структур Go на таблиці БД з генерацією SQL.",[5266,20705,20706],{},[5229,20707,20708],{},"GORM концепції:",[5194,20710,20711,20736,20742,20747,20755,20771,20786,20792,20797,20802],{},[5197,20712,20713,20716,20717,5603,20720,5603,20722,5603,20725,5603,20727,5603,20730,5603,20732,20735],{},[5229,20714,20715],{},"Теги структур:"," ",[5204,20718,20719],{},"column",[5204,20721,7440],{},[5204,20723,20724],{},"size",[5204,20726,13536],{},[5204,20728,20729],{},"foreignKey",[5204,20731,13542],{},[5204,20733,20734],{},"default",", та багато інших для налаштування відображення.",[5197,20737,20738,20741],{},[5229,20739,20740],{},"Embedded структури:"," композиція моделей через вбудовування з підтримкою префіксів.",[5197,20743,20744,20746],{},[5229,20745,20589],{}," переважні запити для DRY принципу та композиційної фільтрації.",[5197,20748,20749,20716,20752,20754],{},[5229,20750,20751],{},"Eager Loading:",[5204,20753,15079],{}," для жадібного завантаження пов'язаних даних, запобігання N+1 queries.",[5197,20756,20757,20760,20761,5603,20763,5603,20766,5603,20768,5827],{},[5229,20758,20759],{},"Association API:"," методи для керування зв'язками (",[5204,20762,15485],{},[5204,20764,20765],{},"Replace",[5204,20767,9277],{},[5204,20769,20770],{},"Clear",[5197,20772,20773,20776,20777,5603,20780,5603,20783,5827],{},[5229,20774,20775],{},"Session:"," тонке налаштування поведінки запитів (",[5204,20778,20779],{},"DryRun",[5204,20781,20782],{},"SkipHooks",[5204,20784,20785],{},"PrepareStmt",[5197,20787,20788,20791],{},[5229,20789,20790],{},"Callbacks:"," глобальні обробники для модифікації поведінки GORM.",[5197,20793,20794,20796],{},[5229,20795,20629],{}," система розширення функціональності (метрики, трейсинг, кешування).",[5197,20798,20799,20801],{},[5229,20800,20617],{}," програмний інтерфейс для управління схемою БД.",[5197,20803,20804,20638],{},[5229,20805,20806],{},"Repository Pattern:",[5350,20808,20809,20814,20817],{},[5266,20810,20811],{},[5229,20812,20813],{},"Що далі?",[5266,20815,20816],{},"На наступних лекціях ми застосуємо отримані знання для створення повноцінного REST API з автентифікацією, інтеграцією з базою даних та розгортанням у Docker. Ви навчитеся:",[5194,20818,20819,20822,20825,20828,20831,20834],{},[5197,20820,20821],{},"Інтегрувати репозиторії GORM з HTTP-обробниками Gin.",[5197,20823,20824],{},"Реалізовувати автентифікацію JWT із збереженням токенів у БД.",[5197,20826,20827],{},"Організовувати складні запити з фільтрацією, пагінацією та сортуванням через Scopes.",[5197,20829,20830],{},"Працювати з потоковими даними через WebSocket та зберігати їх у PostgreSQL.",[5197,20832,20833],{},"Впроваджувати системи аудиту та логування змін через хуки GORM.",[5197,20835,20836],{},"Оптимізувати продуктивність запитів та уникати N+1 queries.",[9509,20838,20839,20867,20945,21001,21047,21293,21401],{},[9512,20840,20842,20847,20864],{"icon":9514,"label":20841},"❓ Чому важливо використовувати context.Context у запитах до БД?",[5266,20843,20844,20846],{},[5229,20845,9520],{}," дозволяє:",[5275,20848,20849,20854,20859],{},[5197,20850,20851,20853],{},[5229,20852,9530],{}," якщо запит виконується занадто довго, контекст автоматично його скасує, звільнивши ресурси.",[5197,20855,20856,20858],{},[5229,20857,9538],{}," якщо клієнт розірвав HTTP-з'єднання, контекст сповістить базу даних, і запит буде перерваний без марної витрати ресурсів.",[5197,20860,20861,20863],{},[5229,20862,9546],{}," контекст може містити ідентифікатори запитів для трейсингу у розподілених системах.",[5266,20865,20866],{},"Завжди передавайте контекст у методи, що виконують введення\u002Fвиведення.",[9512,20868,20870,20875,20878,20942],{"icon":9514,"label":20869},"❓ Чи можна змішувати чистий SQL та ORM у одному проєкті?",[5266,20871,20872],{},[5229,20873,20874],{},"Так, це рекомендована практика!",[5266,20876,20877],{},"GORM дозволяє виконувати чистий SQL:",[5379,20879,20881],{"className":6376,"code":20880,"language":6232,"meta":5384,"style":5384},"var users []User\ndb.Raw(\"SELECT * FROM users WHERE created_at > ? ORDER BY id DESC\", time.Now().AddDate(0, -1, 0)).Scan(&users)\n",[5204,20882,20883,20893],{"__ignoreMap":5384},[5388,20884,20885,20887,20889,20891],{"class":5390,"line":5391},[5388,20886,10649],{"class":6096},[5388,20888,8502],{"class":6384},[5388,20890,10654],{"class":5946},[5388,20892,8508],{"class":6425},[5388,20894,20895,20897,20899,20902,20904,20907,20909,20911,20913,20915,20917,20919,20921,20923,20925,20927,20929,20931,20934,20936,20938,20940],{"class":5390,"line":5397},[5388,20896,6629],{"class":6384},[5388,20898,5555],{"class":5946},[5388,20900,20901],{"class":6086},"Raw",[5388,20903,6399],{"class":5946},[5388,20905,20906],{"class":6038},"\"SELECT * FROM users WHERE created_at > ? ORDER BY id DESC\"",[5388,20908,5603],{"class":5946},[5388,20910,6910],{"class":6384},[5388,20912,5555],{"class":5946},[5388,20914,14360],{"class":6086},[5388,20916,14363],{"class":5946},[5388,20918,14366],{"class":6086},[5388,20920,6399],{"class":5946},[5388,20922,9187],{"class":6853},[5388,20924,14373],{"class":5946},[5388,20926,7377],{"class":6853},[5388,20928,5603],{"class":5946},[5388,20930,9187],{"class":6853},[5388,20932,20933],{"class":5946},")).",[5388,20935,7739],{"class":6086},[5388,20937,7742],{"class":5946},[5388,20939,8643],{"class":6384},[5388,20941,6405],{"class":5946},[5266,20943,20944],{},"Використовуйте ORM для стандартних операцій (CRUD) та чистий SQL для складних аналітичних запитів, агрегацій та оптимізації критичних ділянок.",[9512,20946,20948,20953,20959,20964,20985],{"icon":9514,"label":20947},"❓ Як обрати розмір пулу з'єднань (MaxOpenConns)?",[5266,20949,20950],{},[5229,20951,20952],{},"Загальна формула:",[5379,20954,20957],{"className":20955,"code":20956,"language":6305},[6303],"MaxOpenConns = (Кількість CPU) × 2-3 + (Очікувана кількість дискових операцій)\n",[5204,20958,20956],{"__ignoreMap":5384},[5266,20960,20961],{},[5229,20962,20963],{},"Приклади:",[5194,20965,20966,20973,20979],{},[5197,20967,20968,20969,20972],{},"Для веб-сервера з 4 CPU та швидким SSD: ",[5204,20970,20971],{},"25-50"," з'єднань.",[5197,20974,20975,20976,5555],{},"Для мікросервісу з легким навантаженням: ",[5204,20977,20978],{},"10-20",[5197,20980,20981,20982,5555],{},"Для високонавантаженого API: ",[5204,20983,20984],{},"50-100",[5266,20986,20987,20989,20990,20992,20993,20996,20997,21000],{},[5229,20988,8309],{}," переконайтеся, що PostgreSQL може обробити таку кількість з'єднань. Параметр ",[5204,20991,6968],{}," у ",[5204,20994,20995],{},"postgresql.conf"," має бути більшим за суму ",[5204,20998,20999],{},"MaxOpenConns"," усіх застосунків.",[9512,21002,21004,21009,21020,21025,21036],{"icon":9514,"label":21003},"❓ Що краще: GORM чи sqlc?",[5266,21005,21006],{},[5229,21007,21008],{},"GORM:",[5194,21010,21011,21014,21017],{},[5197,21012,21013],{},"Повнофункціональна ORM із великою екосистемою.",[5197,21015,21016],{},"Швидка розробка, автоматичні міграції, підтримка зв'язків.",[5197,21018,21019],{},"Менше контролю, можливі проблеми продуктивності.",[5266,21021,21022],{},[5229,21023,21024],{},"sqlc:",[5194,21026,21027,21030,21033],{},[5197,21028,21029],{},"Генерує type-safe Go-код із чистих SQL-запитів.",[5197,21031,21032],{},"Максимальна продуктивність, повний контроль над SQL.",[5197,21034,21035],{},"Вимагає написання SQL вручну, немає автоматичних міграцій.",[5266,21037,21038,21041,21042,21044,21045,5555],{},[5229,21039,21040],{},"Рекомендація:"," якщо вам важлива продуктивність та ви комфортно працюєте з SQL, використовуйте ",[5229,21043,13090],{},". Якщо потрібна швидка розробка та зручність, вибирайте ",[5229,21046,10732],{},[9512,21048,21050,21056,21061,21169,21174,21226,21231,21288],{"icon":9514,"label":21049},"❓ Як уникнути проблеми N+1 queries у GORM?",[5266,21051,21052,21055],{},[5229,21053,21054],{},"Проблема N+1 queries"," виникає, коли ви завантажуєте головний об'єкт одним запитом, а потім у циклі виконуєте окремі запити для кожного пов'язаного об'єкта.",[5266,21057,21058],{},[5229,21059,21060],{},"Погано:",[5379,21062,21064],{"className":6376,"code":21063,"language":6232,"meta":5384,"style":5384},"var users []User\ndb.Find(&users) \u002F\u002F 1 запит\n\nfor i := range users {\n    db.Model(&users[i]).Association(\"Posts\").Find(&users[i].Posts) \u002F\u002F N запитів\n}\n\u002F\u002F Всього: 1 + N запитів\n",[5204,21065,21066,21076,21093,21097,21112,21160,21164],{"__ignoreMap":5384},[5388,21067,21068,21070,21072,21074],{"class":5390,"line":5391},[5388,21069,10649],{"class":6096},[5388,21071,8502],{"class":6384},[5388,21073,10654],{"class":5946},[5388,21075,8508],{"class":6425},[5388,21077,21078,21080,21082,21084,21086,21088,21090],{"class":5390,"line":5397},[5388,21079,6629],{"class":6384},[5388,21081,5555],{"class":5946},[5388,21083,14239],{"class":6086},[5388,21085,7742],{"class":5946},[5388,21087,8643],{"class":6384},[5388,21089,7046],{"class":5946},[5388,21091,21092],{"class":5936},"\u002F\u002F 1 запит\n",[5388,21094,21095],{"class":5390,"line":5403},[5388,21096,5413],{"emptyLinePlaceholder":5412},[5388,21098,21099,21101,21104,21106,21108,21110],{"class":5390,"line":5409},[5388,21100,8877],{"class":6435},[5388,21102,21103],{"class":6384}," i",[5388,21105,6388],{"class":5946},[5388,21107,14266],{"class":6435},[5388,21109,8502],{"class":6384},[5388,21111,6561],{"class":5946},[5388,21113,21114,21116,21118,21120,21122,21124,21126,21129,21132,21134,21136,21138,21140,21142,21144,21146,21148,21150,21153,21155,21157],{"class":5390,"line":5416},[5388,21115,6518],{"class":6384},[5388,21117,5555],{"class":5946},[5388,21119,14481],{"class":6086},[5388,21121,7742],{"class":5946},[5388,21123,8643],{"class":6384},[5388,21125,14535],{"class":5946},[5388,21127,21128],{"class":6384},"i",[5388,21130,21131],{"class":5946},"]).",[5388,21133,15475],{"class":6086},[5388,21135,6399],{"class":5946},[5388,21137,15009],{"class":6038},[5388,21139,5827],{"class":5946},[5388,21141,14239],{"class":6086},[5388,21143,7742],{"class":5946},[5388,21145,8643],{"class":6384},[5388,21147,14535],{"class":5946},[5388,21149,21128],{"class":6384},[5388,21151,21152],{"class":5946},"].",[5388,21154,15049],{"class":6384},[5388,21156,7046],{"class":5946},[5388,21158,21159],{"class":5936},"\u002F\u002F N запитів\n",[5388,21161,21162],{"class":5390,"line":5422},[5388,21163,5711],{"class":5946},[5388,21165,21166],{"class":5390,"line":5428},[5388,21167,21168],{"class":5936},"\u002F\u002F Всього: 1 + N запитів\n",[5266,21170,21171],{},[5229,21172,21173],{},"Добре:",[5379,21175,21177],{"className":6376,"code":21176,"language":6232,"meta":5384,"style":5384},"var users []User\ndb.Preload(\"Posts\").Find(&users)\n\u002F\u002F SELECT * FROM users\n\u002F\u002F SELECT * FROM posts WHERE user_id IN (1,2,3,...)\n\u002F\u002F Всього: 2 запити\n",[5204,21178,21179,21189,21211,21216,21221],{"__ignoreMap":5384},[5388,21180,21181,21183,21185,21187],{"class":5390,"line":5391},[5388,21182,10649],{"class":6096},[5388,21184,8502],{"class":6384},[5388,21186,10654],{"class":5946},[5388,21188,8508],{"class":6425},[5388,21190,21191,21193,21195,21197,21199,21201,21203,21205,21207,21209],{"class":5390,"line":5397},[5388,21192,6629],{"class":6384},[5388,21194,5555],{"class":5946},[5388,21196,14837],{"class":6086},[5388,21198,6399],{"class":5946},[5388,21200,15009],{"class":6038},[5388,21202,5827],{"class":5946},[5388,21204,14239],{"class":6086},[5388,21206,7742],{"class":5946},[5388,21208,8643],{"class":6384},[5388,21210,6405],{"class":5946},[5388,21212,21213],{"class":5390,"line":5403},[5388,21214,21215],{"class":5936},"\u002F\u002F SELECT * FROM users\n",[5388,21217,21218],{"class":5390,"line":5409},[5388,21219,21220],{"class":5936},"\u002F\u002F SELECT * FROM posts WHERE user_id IN (1,2,3,...)\n",[5388,21222,21223],{"class":5390,"line":5416},[5388,21224,21225],{"class":5936},"\u002F\u002F Всього: 2 запити\n",[5266,21227,21228],{},[5229,21229,21230],{},"Ще краще для складних зв'язків:",[5379,21232,21234],{"className":6376,"code":21233,"language":6232,"meta":5384,"style":5384},"db.Preload(\"Posts.Comments\").\n   Preload(\"Posts.Tags\").\n   Preload(\"Profile\").\n   Find(&users)\n\u002F\u002F Виконує 4 оптимізовані запити замість тисяч\n",[5204,21235,21236,21251,21263,21273,21283],{"__ignoreMap":5384},[5388,21237,21238,21240,21242,21244,21246,21249],{"class":5390,"line":5391},[5388,21239,6629],{"class":6384},[5388,21241,5555],{"class":5946},[5388,21243,14837],{"class":6086},[5388,21245,6399],{"class":5946},[5388,21247,21248],{"class":6038},"\"Posts.Comments\"",[5388,21250,14395],{"class":5946},[5388,21252,21253,21256,21258,21261],{"class":5390,"line":5397},[5388,21254,21255],{"class":6086},"   Preload",[5388,21257,6399],{"class":5946},[5388,21259,21260],{"class":6038},"\"Posts.Tags\"",[5388,21262,14395],{"class":5946},[5388,21264,21265,21267,21269,21271],{"class":5390,"line":5403},[5388,21266,21255],{"class":6086},[5388,21268,6399],{"class":5946},[5388,21270,14842],{"class":6038},[5388,21272,14395],{"class":5946},[5388,21274,21275,21277,21279,21281],{"class":5390,"line":5409},[5388,21276,14411],{"class":6086},[5388,21278,7742],{"class":5946},[5388,21280,8643],{"class":6384},[5388,21282,6405],{"class":5946},[5388,21284,21285],{"class":5390,"line":5416},[5388,21286,21287],{"class":5936},"\u002F\u002F Виконує 4 оптимізовані запити замість тисяч\n",[5266,21289,9576,21290,21292],{},[5204,21291,15079],{}," для завантаження пов'язаних даних!",[9512,21294,21296,21301,21306,21317,21322,21336,21341,21358],{"icon":9514,"label":21295},"❓ Чи безпечно використовувати AutoMigrate у production?",[5266,21297,21298],{},[5229,21299,21300],{},"Ні, AutoMigrate має обмеження:",[5266,21302,21303],{},[5229,21304,21305],{},"Що він робить:",[5194,21307,21308,21311,21314],{},[5197,21309,21310],{},"✅ Створює нові таблиці",[5197,21312,21313],{},"✅ Додає нові колонки",[5197,21315,21316],{},"✅ Додає індекси",[5266,21318,21319],{},[5229,21320,21321],{},"Що він НЕ робить:",[5194,21323,21324,21327,21330,21333],{},[5197,21325,21326],{},"❌ Не видаляє старі колонки",[5197,21328,21329],{},"❌ Не змінює типи колонок",[5197,21331,21332],{},"❌ Не перейменовує колонки",[5197,21334,21335],{},"❌ Не обробляє складні міграції",[5266,21337,21338],{},[5229,21339,21340],{},"Рекомендації:",[5194,21342,21343,21349],{},[5197,21344,21345,21348],{},[5229,21346,21347],{},"Розробка:"," AutoMigrate підходить для швидкого прототипування.",[5197,21350,21351,21354,21355,21357],{},[5229,21352,21353],{},"Production:"," використовуйте ",[5204,21356,11961],{}," або інші інструменти версіонування міграцій для контрольованих змін схеми.",[5379,21359,21361],{"className":6376,"code":21360,"language":6232,"meta":5384,"style":5384},"\u002F\u002F Розробка\ndb.AutoMigrate(&User{}, &Post{})\n\n\u002F\u002F Production\n\u002F\u002F Використовуйте golang-migrate з явними UP\u002FDOWN міграціями\n",[5204,21362,21363,21368,21387,21391,21396],{"__ignoreMap":5384},[5388,21364,21365],{"class":5390,"line":5391},[5388,21366,21367],{"class":5936},"\u002F\u002F Розробка\n",[5388,21369,21370,21372,21374,21376,21378,21380,21383,21385],{"class":5390,"line":5397},[5388,21371,6629],{"class":6384},[5388,21373,5555],{"class":5946},[5388,21375,13670],{"class":6086},[5388,21377,7742],{"class":5946},[5388,21379,7617],{"class":6425},[5388,21381,21382],{"class":5946},"{}, &",[5388,21384,14924],{"class":6425},[5388,21386,12659],{"class":5946},[5388,21388,21389],{"class":5390,"line":5403},[5388,21390,5413],{"emptyLinePlaceholder":5412},[5388,21392,21393],{"class":5390,"line":5409},[5388,21394,21395],{"class":5936},"\u002F\u002F Production\n",[5388,21397,21398],{"class":5390,"line":5416},[5388,21399,21400],{"class":5936},"\u002F\u002F Використовуйте golang-migrate з явними UP\u002FDOWN міграціями\n",[9512,21402,21404,21412,21594,21599,21631],{"icon":9514,"label":21403},"❓ Як правильно обробляти помилки GORM?",[5266,21405,21406,21407,21409,21410,6786],{},"GORM зберігає помилку у полі ",[5204,21408,13862],{}," об'єкта ",[5204,21411,13332],{},[5379,21413,21415],{"className":6376,"code":21414,"language":6232,"meta":5384,"style":5384},"\u002F\u002F ❌ Неправильно\ndb.First(&user, id)\nif user.ID == 0 {\n    \u002F\u002F Може бути помилка БД, а не відсутність запису\n}\n\n\u002F\u002F ✅ Правильно\nif err := db.First(&user, id).Error; err != nil {\n    if errors.Is(err, gorm.ErrRecordNotFound) {\n        return nil, fmt.Errorf(\"користувача не знайдено\")\n    }\n    return nil, fmt.Errorf(\"помилка БД: %w\", err)\n}\n",[5204,21416,21417,21422,21440,21456,21461,21465,21469,21474,21511,21537,21557,21561,21590],{"__ignoreMap":5384},[5388,21418,21419],{"class":5390,"line":5391},[5388,21420,21421],{"class":5936},"\u002F\u002F ❌ Неправильно\n",[5388,21423,21424,21426,21428,21430,21432,21434,21436,21438],{"class":5390,"line":5397},[5388,21425,6629],{"class":6384},[5388,21427,5555],{"class":5946},[5388,21429,14003],{"class":6086},[5388,21431,7742],{"class":5946},[5388,21433,7612],{"class":6384},[5388,21435,5603],{"class":5946},[5388,21437,8032],{"class":6384},[5388,21439,6405],{"class":5946},[5388,21441,21442,21444,21446,21448,21450,21452,21454],{"class":5390,"line":5403},[5388,21443,7270],{"class":6435},[5388,21445,8295],{"class":6384},[5388,21447,5555],{"class":5946},[5388,21449,7749],{"class":6384},[5388,21451,8193],{"class":5946},[5388,21453,9187],{"class":6853},[5388,21455,6561],{"class":5946},[5388,21457,21458],{"class":5390,"line":5409},[5388,21459,21460],{"class":5936},"    \u002F\u002F Може бути помилка БД, а не відсутність запису\n",[5388,21462,21463],{"class":5390,"line":5416},[5388,21464,5711],{"class":5946},[5388,21466,21467],{"class":5390,"line":5422},[5388,21468,5413],{"emptyLinePlaceholder":5412},[5388,21470,21471],{"class":5390,"line":5428},[5388,21472,21473],{"class":5936},"\u002F\u002F ✅ Правильно\n",[5388,21475,21476,21478,21480,21482,21484,21486,21488,21490,21492,21494,21496,21498,21500,21503,21505,21507,21509],{"class":5390,"line":5434},[5388,21477,7270],{"class":6435},[5388,21479,6552],{"class":6384},[5388,21481,6388],{"class":5946},[5388,21483,6629],{"class":6384},[5388,21485,5555],{"class":5946},[5388,21487,14003],{"class":6086},[5388,21489,7742],{"class":5946},[5388,21491,7612],{"class":6384},[5388,21493,5603],{"class":5946},[5388,21495,8032],{"class":6384},[5388,21497,5827],{"class":5946},[5388,21499,13862],{"class":6384},[5388,21501,21502],{"class":5946},"; ",[5388,21504,6523],{"class":6384},[5388,21506,6555],{"class":5946},[5388,21508,6558],{"class":6096},[5388,21510,6561],{"class":5946},[5388,21512,21513,21515,21518,21520,21523,21525,21527,21529,21531,21533,21535],{"class":5390,"line":5439},[5388,21514,6549],{"class":6435},[5388,21516,21517],{"class":6384}," errors",[5388,21519,5555],{"class":5946},[5388,21521,21522],{"class":6086},"Is",[5388,21524,6399],{"class":5946},[5388,21526,6523],{"class":6384},[5388,21528,5603],{"class":5946},[5388,21530,13228],{"class":6384},[5388,21532,5555],{"class":5946},[5388,21534,14039],{"class":6384},[5388,21536,8047],{"class":5946},[5388,21538,21539,21541,21543,21545,21547,21549,21551,21553,21555],{"class":5390,"line":5445},[5388,21540,7146],{"class":6435},[5388,21542,8209],{"class":6096},[5388,21544,5603],{"class":5946},[5388,21546,8214],{"class":6384},[5388,21548,5555],{"class":5946},[5388,21550,7154],{"class":6086},[5388,21552,6399],{"class":5946},[5388,21554,10139],{"class":6038},[5388,21556,6405],{"class":5946},[5388,21558,21559],{"class":5390,"line":5451},[5388,21560,6593],{"class":5946},[5388,21562,21563,21565,21567,21569,21571,21573,21575,21577,21580,21582,21584,21586,21588],{"class":5390,"line":5456},[5388,21564,7198],{"class":6435},[5388,21566,8209],{"class":6096},[5388,21568,5603],{"class":5946},[5388,21570,8214],{"class":6384},[5388,21572,5555],{"class":5946},[5388,21574,7154],{"class":6086},[5388,21576,6399],{"class":5946},[5388,21578,21579],{"class":6038},"\"помилка БД: ",[5388,21581,7162],{"class":6384},[5388,21583,6582],{"class":6038},[5388,21585,5603],{"class":5946},[5388,21587,6523],{"class":6384},[5388,21589,6405],{"class":5946},[5388,21591,21592],{"class":5390,"line":5462},[5388,21593,5711],{"class":5946},[5266,21595,21596],{},[5229,21597,21598],{},"Стандартні помилки GORM:",[5194,21600,21601,21607,21613,21619,21625],{},[5197,21602,21603,21606],{},[5204,21604,21605],{},"gorm.ErrRecordNotFound"," — запис не знайдено",[5197,21608,21609,21612],{},[5204,21610,21611],{},"gorm.ErrInvalidTransaction"," — транзакція невалідна",[5197,21614,21615,21618],{},[5204,21616,21617],{},"gorm.ErrNotImplemented"," — функція не реалізована",[5197,21620,21621,21624],{},[5204,21622,21623],{},"gorm.ErrMissingWhereClause"," — відсутня WHERE умова (при AllowGlobalUpdate: false)",[5197,21626,21627,21630],{},[5204,21628,21629],{},"gorm.ErrUnsupportedDriver"," — непідтримуваний драйвер",[5266,21632,21633,21634,21636],{},"Завжди перевіряйте ",[5204,21635,13862],{}," та обробляйте різні типи помилок окремо!",[5258,21638],{},[5841,21640,21641,21646,21651,21687,21692,21712,21717,21740,21745],{},[5266,21642,21643],{},[5229,21644,21645],{},"Корисні ресурси:",[5266,21647,21648],{},[5229,21649,21650],{},"Документація:",[5194,21652,21653,21660,21667,21673,21680],{},[5197,21654,21655],{},[5857,21656,21659],{"href":21657,"rel":21658},"https:\u002F\u002Fwww.postgresql.org\u002Fdocs\u002F",[5861],"Офіційна документація PostgreSQL",[5197,21661,21662],{},[5857,21663,21666],{"href":21664,"rel":21665},"https:\u002F\u002Fgorm.io\u002Fdocs\u002F",[5861],"Документація GORM (повна)",[5197,21668,21669],{},[5857,21670,21672],{"href":5859,"rel":21671},[5861],"Документація pgx",[5197,21674,21675],{},[5857,21676,21679],{"href":21677,"rel":21678},"https:\u002F\u002Fjmoiron.github.io\u002Fsqlx\u002F",[5861],"Документація sqlx",[5197,21681,21682],{},[5857,21683,21686],{"href":21684,"rel":21685},"https:\u002F\u002Fgithub.com\u002Fgolang-migrate\u002Fmigrate",[5861],"Документація golang-migrate",[5266,21688,21689],{},[5229,21690,21691],{},"Альтернативи та інструменти:",[5194,21693,21694,21700,21706],{},[5197,21695,21696],{},[5857,21697,21699],{"href":13093,"rel":21698},[5861],"sqlc - Generate type-safe code from SQL",[5197,21701,21702],{},[5857,21703,21705],{"href":13071,"rel":21704},[5861],"ent - Entity framework for Go",[5197,21707,21708],{},[5857,21709,21711],{"href":13082,"rel":21710},[5861],"Bun - SQL-first ORM",[5266,21713,21714],{},[5229,21715,21716],{},"Best Practices та статті:",[5194,21718,21719,21726,21733],{},[5197,21720,21721],{},[5857,21722,21725],{"href":21723,"rel":21724},"https:\u002F\u002Fgorm.io\u002Fdocs\u002Fperformance.html",[5861],"GORM Performance Tips",[5197,21727,21728],{},[5857,21729,21732],{"href":21730,"rel":21731},"https:\u002F\u002Fwiki.postgresql.org\u002Fwiki\u002FPerformance_Optimization",[5861],"PostgreSQL Performance Tuning",[5197,21734,21735],{},[5857,21736,21739],{"href":21737,"rel":21738},"https:\u002F\u002Fwww.postgresql.org\u002Fdocs\u002Fcurrent\u002Fddl.html",[5861],"Database Design Best Practices",[5266,21741,21742],{},[5229,21743,21744],{},"Плагіни та екосистема:",[5194,21746,21747,21754,21761],{},[5197,21748,21749],{},[5857,21750,21753],{"href":21751,"rel":21752},"https:\u002F\u002Fgithub.com\u002Fgo-gorm\u002Fprometheus",[5861],"GORM Prometheus Plugin",[5197,21755,21756],{},[5857,21757,21760],{"href":21758,"rel":21759},"https:\u002F\u002Fgithub.com\u002Fgo-gorm\u002Fopentelemetry",[5861],"GORM OpenTelemetry Plugin",[5197,21762,21763],{},[5857,21764,21767],{"href":21765,"rel":21766},"https:\u002F\u002Fgithub.com\u002Fgo-gorm\u002Fsharding",[5861],"GORM Sharding Plugin",[5258,21769],{},[5261,21771,21773],{"id":21772},"складні-запити-та-умови","Складні запити та умови",[5266,21775,21776],{},"Базові операції CRUD покривають лише найпростіші сценарії. У реальних застосунках потрібні складні умови фільтрації, сортування, пагінація та агрегація. GORM надає потужний Query Builder API для побудови виразних запитів.",[5615,21778,21780],{"id":21779},"where-фільтрація-даних","Where — фільтрація даних",[5266,21782,7210,21783,21786],{},[5204,21784,21785],{},"Where()"," додає умови до запиту. Він підтримує кілька форматів:",[13762,21788,21790],{"id":21789},"рядкові-умови-з-параметрами","Рядкові умови з параметрами",[5379,21792,21794],{"className":6376,"code":21793,"language":6232,"meta":5384,"style":5384},"\u002F\u002F Одна умова\ndb.Where(\"email = ?\", \"alice@example.com\").First(&user)\n\u002F\u002F SELECT * FROM users WHERE email = 'alice@example.com' LIMIT 1\n\n\u002F\u002F Кілька параметрів\ndb.Where(\"age > ? AND city = ?\", 18, \"Київ\").Find(&users)\n\u002F\u002F SELECT * FROM users WHERE age > 18 AND city = 'Київ'\n\n\u002F\u002F IN умова\ndb.Where(\"status IN ?\", []string{\"active\", \"pending\"}).Find(&users)\n\u002F\u002F SELECT * FROM users WHERE status IN ('active', 'pending')\n\n\u002F\u002F LIKE пошук\ndb.Where(\"name LIKE ?\", \"%Іван%\").Find(&users)\n\u002F\u002F SELECT * FROM users WHERE name LIKE '%Іван%'\n\n\u002F\u002F BETWEEN\ndb.Where(\"created_at BETWEEN ? AND ?\", startDate, endDate).Find(&orders)\n",[5204,21795,21796,21801,21827,21832,21836,21841,21872,21877,21881,21886,21925,21930,21934,21939,21967,21972,21976,21981],{"__ignoreMap":5384},[5388,21797,21798],{"class":5390,"line":5391},[5388,21799,21800],{"class":5936},"\u002F\u002F Одна умова\n",[5388,21802,21803,21805,21807,21809,21811,21813,21815,21817,21819,21821,21823,21825],{"class":5390,"line":5397},[5388,21804,6629],{"class":6384},[5388,21806,5555],{"class":5946},[5388,21808,14187],{"class":6086},[5388,21810,6399],{"class":5946},[5388,21812,14192],{"class":6038},[5388,21814,5603],{"class":5946},[5388,21816,13795],{"class":6038},[5388,21818,5827],{"class":5946},[5388,21820,14003],{"class":6086},[5388,21822,7742],{"class":5946},[5388,21824,7612],{"class":6384},[5388,21826,6405],{"class":5946},[5388,21828,21829],{"class":5390,"line":5403},[5388,21830,21831],{"class":5936},"\u002F\u002F SELECT * FROM users WHERE email = 'alice@example.com' LIMIT 1\n",[5388,21833,21834],{"class":5390,"line":5409},[5388,21835,5413],{"emptyLinePlaceholder":5412},[5388,21837,21838],{"class":5390,"line":5416},[5388,21839,21840],{"class":5936},"\u002F\u002F Кілька параметрів\n",[5388,21842,21843,21845,21847,21849,21851,21854,21856,21858,21860,21862,21864,21866,21868,21870],{"class":5390,"line":5422},[5388,21844,6629],{"class":6384},[5388,21846,5555],{"class":5946},[5388,21848,14187],{"class":6086},[5388,21850,6399],{"class":5946},[5388,21852,21853],{"class":6038},"\"age > ? AND city = ?\"",[5388,21855,5603],{"class":5946},[5388,21857,10628],{"class":6853},[5388,21859,5603],{"class":5946},[5388,21861,10638],{"class":6038},[5388,21863,5827],{"class":5946},[5388,21865,14239],{"class":6086},[5388,21867,7742],{"class":5946},[5388,21869,8643],{"class":6384},[5388,21871,6405],{"class":5946},[5388,21873,21874],{"class":5390,"line":5428},[5388,21875,21876],{"class":5936},"\u002F\u002F SELECT * FROM users WHERE age > 18 AND city = 'Київ'\n",[5388,21878,21879],{"class":5390,"line":5434},[5388,21880,5413],{"emptyLinePlaceholder":5412},[5388,21882,21883],{"class":5390,"line":5439},[5388,21884,21885],{"class":5936},"\u002F\u002F IN умова\n",[5388,21887,21888,21890,21892,21894,21896,21899,21902,21904,21906,21909,21911,21914,21917,21919,21921,21923],{"class":5390,"line":5445},[5388,21889,6629],{"class":6384},[5388,21891,5555],{"class":5946},[5388,21893,14187],{"class":6086},[5388,21895,6399],{"class":5946},[5388,21897,21898],{"class":6038},"\"status IN ?\"",[5388,21900,21901],{"class":5946},", []",[5388,21903,13511],{"class":6425},[5388,21905,7559],{"class":5946},[5388,21907,21908],{"class":6038},"\"active\"",[5388,21910,5603],{"class":5946},[5388,21912,21913],{"class":6038},"\"pending\"",[5388,21915,21916],{"class":5946},"}).",[5388,21918,14239],{"class":6086},[5388,21920,7742],{"class":5946},[5388,21922,8643],{"class":6384},[5388,21924,6405],{"class":5946},[5388,21926,21927],{"class":5390,"line":5451},[5388,21928,21929],{"class":5936},"\u002F\u002F SELECT * FROM users WHERE status IN ('active', 'pending')\n",[5388,21931,21932],{"class":5390,"line":5456},[5388,21933,5413],{"emptyLinePlaceholder":5412},[5388,21935,21936],{"class":5390,"line":5462},[5388,21937,21938],{"class":5936},"\u002F\u002F LIKE пошук\n",[5388,21940,21941,21943,21945,21947,21949,21952,21954,21957,21959,21961,21963,21965],{"class":5390,"line":5468},[5388,21942,6629],{"class":6384},[5388,21944,5555],{"class":5946},[5388,21946,14187],{"class":6086},[5388,21948,6399],{"class":5946},[5388,21950,21951],{"class":6038},"\"name LIKE ?\"",[5388,21953,5603],{"class":5946},[5388,21955,21956],{"class":6038},"\"%Іван%\"",[5388,21958,5827],{"class":5946},[5388,21960,14239],{"class":6086},[5388,21962,7742],{"class":5946},[5388,21964,8643],{"class":6384},[5388,21966,6405],{"class":5946},[5388,21968,21969],{"class":5390,"line":5474},[5388,21970,21971],{"class":5936},"\u002F\u002F SELECT * FROM users WHERE name LIKE '%Іван%'\n",[5388,21973,21974],{"class":5390,"line":5480},[5388,21975,5413],{"emptyLinePlaceholder":5412},[5388,21977,21978],{"class":5390,"line":5486},[5388,21979,21980],{"class":5936},"\u002F\u002F BETWEEN\n",[5388,21982,21983,21985,21987,21989,21991,21994,21996,21999,22001,22004,22006,22008,22010,22013],{"class":5390,"line":5491},[5388,21984,6629],{"class":6384},[5388,21986,5555],{"class":5946},[5388,21988,14187],{"class":6086},[5388,21990,6399],{"class":5946},[5388,21992,21993],{"class":6038},"\"created_at BETWEEN ? AND ?\"",[5388,21995,5603],{"class":5946},[5388,21997,21998],{"class":6384},"startDate",[5388,22000,5603],{"class":5946},[5388,22002,22003],{"class":6384},"endDate",[5388,22005,5827],{"class":5946},[5388,22007,14239],{"class":6086},[5388,22009,7742],{"class":5946},[5388,22011,22012],{"class":6384},"orders",[5388,22014,6405],{"class":5946},[5580,22016,22017,22024],{},[5266,22018,22019,22020,22023],{},"Завжди використовуйте параметризовані запити (",[5204,22021,22022],{},"?",") замість конкатенації рядків. Це єдиний спосіб захистити застосунок від SQL-ін'єкцій:",[5379,22025,22027],{"className":6376,"code":22026,"language":6232,"meta":5384,"style":5384},"\u002F\u002F ❌ НЕБЕЗПЕЧНО!\nemail := userInput\ndb.Where(\"email = '\" + email + \"'\").Find(&user)\n\n\u002F\u002F ✅ БЕЗПЕЧНО\ndb.Where(\"email = ?\", email).Find(&user)\n",[5204,22028,22029,22034,22043,22075,22079,22083],{"__ignoreMap":5384},[5388,22030,22031],{"class":5390,"line":5391},[5388,22032,22033],{"class":5936},"\u002F\u002F ❌ НЕБЕЗПЕЧНО!\n",[5388,22035,22036,22038,22040],{"class":5390,"line":5397},[5388,22037,7925],{"class":6384},[5388,22039,6388],{"class":5946},[5388,22041,22042],{"class":6384},"userInput\n",[5388,22044,22045,22047,22049,22051,22053,22056,22058,22060,22062,22065,22067,22069,22071,22073],{"class":5390,"line":5403},[5388,22046,6629],{"class":6384},[5388,22048,5555],{"class":5946},[5388,22050,14187],{"class":6086},[5388,22052,6399],{"class":5946},[5388,22054,22055],{"class":6038},"\"email = '\"",[5388,22057,7922],{"class":5946},[5388,22059,7925],{"class":6384},[5388,22061,7922],{"class":5946},[5388,22063,22064],{"class":6038},"\"'\"",[5388,22066,5827],{"class":5946},[5388,22068,14239],{"class":6086},[5388,22070,7742],{"class":5946},[5388,22072,7612],{"class":6384},[5388,22074,6405],{"class":5946},[5388,22076,22077],{"class":5390,"line":5409},[5388,22078,5413],{"emptyLinePlaceholder":5412},[5388,22080,22081],{"class":5390,"line":5416},[5388,22082,7967],{"class":5936},[5388,22084,22085,22087,22089,22091,22093,22095,22097,22099,22101,22103,22105,22107],{"class":5390,"line":5422},[5388,22086,6629],{"class":6384},[5388,22088,5555],{"class":5946},[5388,22090,14187],{"class":6086},[5388,22092,6399],{"class":5946},[5388,22094,14192],{"class":6038},[5388,22096,5603],{"class":5946},[5388,22098,7925],{"class":6384},[5388,22100,5827],{"class":5946},[5388,22102,14239],{"class":6086},[5388,22104,7742],{"class":5946},[5388,22106,7612],{"class":6384},[5388,22108,6405],{"class":5946},[13762,22110,22112],{"id":22111},"умови-через-структури","Умови через структури",[5379,22114,22116],{"className":6376,"code":22115,"language":6232,"meta":5384,"style":5384},"\u002F\u002F Рівність (лише ненульові поля)\ndb.Where(&User{Name: \"Alice\", Age: 25}).Find(&users)\n\u002F\u002F SELECT * FROM users WHERE name = 'Alice' AND age = 25\n\n\u002F\u002F Нульові значення ігноруються!\ndb.Where(&User{Name: \"Alice\", Age: 0}).Find(&users)\n\u002F\u002F SELECT * FROM users WHERE name = 'Alice'\n\u002F\u002F Age = 0 не включено у запит\n",[5204,22117,22118,22123,22162,22167,22171,22176,22214,22219],{"__ignoreMap":5384},[5388,22119,22120],{"class":5390,"line":5391},[5388,22121,22122],{"class":5936},"\u002F\u002F Рівність (лише ненульові поля)\n",[5388,22124,22125,22127,22129,22131,22133,22135,22137,22139,22141,22143,22145,22148,22150,22152,22154,22156,22158,22160],{"class":5390,"line":5397},[5388,22126,6629],{"class":6384},[5388,22128,5555],{"class":5946},[5388,22130,14187],{"class":6086},[5388,22132,7742],{"class":5946},[5388,22134,7617],{"class":6425},[5388,22136,7559],{"class":5946},[5388,22138,18763],{"class":6384},[5388,22140,5947],{"class":5946},[5388,22142,17514],{"class":6038},[5388,22144,5603],{"class":5946},[5388,22146,22147],{"class":6384},"Age",[5388,22149,5947],{"class":5946},[5388,22151,6854],{"class":6853},[5388,22153,21916],{"class":5946},[5388,22155,14239],{"class":6086},[5388,22157,7742],{"class":5946},[5388,22159,8643],{"class":6384},[5388,22161,6405],{"class":5946},[5388,22163,22164],{"class":5390,"line":5403},[5388,22165,22166],{"class":5936},"\u002F\u002F SELECT * FROM users WHERE name = 'Alice' AND age = 25\n",[5388,22168,22169],{"class":5390,"line":5409},[5388,22170,5413],{"emptyLinePlaceholder":5412},[5388,22172,22173],{"class":5390,"line":5416},[5388,22174,22175],{"class":5936},"\u002F\u002F Нульові значення ігноруються!\n",[5388,22177,22178,22180,22182,22184,22186,22188,22190,22192,22194,22196,22198,22200,22202,22204,22206,22208,22210,22212],{"class":5390,"line":5422},[5388,22179,6629],{"class":6384},[5388,22181,5555],{"class":5946},[5388,22183,14187],{"class":6086},[5388,22185,7742],{"class":5946},[5388,22187,7617],{"class":6425},[5388,22189,7559],{"class":5946},[5388,22191,18763],{"class":6384},[5388,22193,5947],{"class":5946},[5388,22195,17514],{"class":6038},[5388,22197,5603],{"class":5946},[5388,22199,22147],{"class":6384},[5388,22201,5947],{"class":5946},[5388,22203,9187],{"class":6853},[5388,22205,21916],{"class":5946},[5388,22207,14239],{"class":6086},[5388,22209,7742],{"class":5946},[5388,22211,8643],{"class":6384},[5388,22213,6405],{"class":5946},[5388,22215,22216],{"class":5390,"line":5428},[5388,22217,22218],{"class":5936},"\u002F\u002F SELECT * FROM users WHERE name = 'Alice'\n",[5388,22220,22221],{"class":5390,"line":5434},[5388,22222,22223],{"class":5936},"\u002F\u002F Age = 0 не включено у запит\n",[5350,22225,22226,22229,22231,22232,22235],{},[5229,22227,22228],{},"Чому нульові значення ігноруються?",[6727,22230],{},"\nGORM не може відрізнити явно встановлений нуль (",[5204,22233,22234],{},"Age: 0",") від незаповненого поля. Для пошуку за нульовими значеннями використовуйте map або рядкові умови.",[13762,22237,22239],{"id":22238},"умови-через-map","Умови через map",[5379,22241,22243],{"className":6376,"code":22242,"language":6232,"meta":5384,"style":5384},"\u002F\u002F Map дозволяє шукати за нульовими значеннями\ndb.Where(map[string]interface{}{\n    \"name\": \"Alice\",\n    \"age\":  0, \u002F\u002F Нуль враховується!\n}).Find(&users)\n\u002F\u002F SELECT * FROM users WHERE name = 'Alice' AND age = 0\n",[5204,22244,22245,22250,22272,22283,22297,22309],{"__ignoreMap":5384},[5388,22246,22247],{"class":5390,"line":5391},[5388,22248,22249],{"class":5936},"\u002F\u002F Map дозволяє шукати за нульовими значеннями\n",[5388,22251,22252,22254,22256,22258,22260,22262,22264,22266,22268,22270],{"class":5390,"line":5397},[5388,22253,6629],{"class":6384},[5388,22255,5555],{"class":5946},[5388,22257,14187],{"class":6086},[5388,22259,6399],{"class":5946},[5388,22261,14532],{"class":6096},[5388,22263,14535],{"class":5946},[5388,22265,13511],{"class":6425},[5388,22267,14540],{"class":5946},[5388,22269,14543],{"class":6096},[5388,22271,14546],{"class":5946},[5388,22273,22274,22277,22279,22281],{"class":5390,"line":5403},[5388,22275,22276],{"class":6038},"    \"name\"",[5388,22278,5947],{"class":5946},[5388,22280,17514],{"class":6038},[5388,22282,7693],{"class":5946},[5388,22284,22285,22288,22290,22292,22294],{"class":5390,"line":5409},[5388,22286,22287],{"class":6038},"    \"age\"",[5388,22289,16269],{"class":5946},[5388,22291,9187],{"class":6853},[5388,22293,5603],{"class":5946},[5388,22295,22296],{"class":5936},"\u002F\u002F Нуль враховується!\n",[5388,22298,22299,22301,22303,22305,22307],{"class":5390,"line":5416},[5388,22300,21916],{"class":5946},[5388,22302,14239],{"class":6086},[5388,22304,7742],{"class":5946},[5388,22306,8643],{"class":6384},[5388,22308,6405],{"class":5946},[5388,22310,22311],{"class":5390,"line":5422},[5388,22312,22313],{"class":5936},"\u002F\u002F SELECT * FROM users WHERE name = 'Alice' AND age = 0\n",[5615,22315,22317],{"id":22316},"or-та-not-логічні-оператори","Or та Not — логічні оператори",[5379,22319,22321],{"className":6376,"code":22320,"language":6232,"meta":5384,"style":5384},"\u002F\u002F OR умови\ndb.Where(\"role = ?\", \"admin\").Or(\"role = ?\", \"moderator\").Find(&users)\n\u002F\u002F SELECT * FROM users WHERE role = 'admin' OR role = 'moderator'\n\n\u002F\u002F Комбінація AND та OR\ndb.Where(\"age > ?\", 18).\n   Where(\"city = ?\", \"Київ\").\n   Or(\"status = ?\", \"vip\").\n   Find(&users)\n\u002F\u002F SELECT * FROM users WHERE (age > 18 AND city = 'Київ') OR status = 'vip'\n\n\u002F\u002F NOT умови\ndb.Not(\"name = ?\", \"Alice\").Find(&users)\n\u002F\u002F SELECT * FROM users WHERE NOT name = 'Alice'\n\ndb.Not(map[string]interface{}{\"name\": []string{\"Alice\", \"Bob\"}}).Find(&users)\n\u002F\u002F SELECT * FROM users WHERE name NOT IN ('Alice', 'Bob')\n\n\u002F\u002F NOT з первинним ключем\ndb.Not([]int{1, 2, 3}).Find(&users)\n\u002F\u002F SELECT * FROM users WHERE id NOT IN (1, 2, 3)\n",[5204,22322,22323,22328,22370,22375,22379,22384,22403,22419,22436,22446,22451,22455,22460,22488,22493,22497,22547,22552,22556,22561,22596],{"__ignoreMap":5384},[5388,22324,22325],{"class":5390,"line":5391},[5388,22326,22327],{"class":5936},"\u002F\u002F OR умови\n",[5388,22329,22330,22332,22334,22336,22338,22341,22343,22346,22348,22351,22353,22355,22357,22360,22362,22364,22366,22368],{"class":5390,"line":5397},[5388,22331,6629],{"class":6384},[5388,22333,5555],{"class":5946},[5388,22335,14187],{"class":6086},[5388,22337,6399],{"class":5946},[5388,22339,22340],{"class":6038},"\"role = ?\"",[5388,22342,5603],{"class":5946},[5388,22344,22345],{"class":6038},"\"admin\"",[5388,22347,5827],{"class":5946},[5388,22349,22350],{"class":6086},"Or",[5388,22352,6399],{"class":5946},[5388,22354,22340],{"class":6038},[5388,22356,5603],{"class":5946},[5388,22358,22359],{"class":6038},"\"moderator\"",[5388,22361,5827],{"class":5946},[5388,22363,14239],{"class":6086},[5388,22365,7742],{"class":5946},[5388,22367,8643],{"class":6384},[5388,22369,6405],{"class":5946},[5388,22371,22372],{"class":5390,"line":5403},[5388,22373,22374],{"class":5936},"\u002F\u002F SELECT * FROM users WHERE role = 'admin' OR role = 'moderator'\n",[5388,22376,22377],{"class":5390,"line":5409},[5388,22378,5413],{"emptyLinePlaceholder":5412},[5388,22380,22381],{"class":5390,"line":5416},[5388,22382,22383],{"class":5936},"\u002F\u002F Комбінація AND та OR\n",[5388,22385,22386,22388,22390,22392,22394,22397,22399,22401],{"class":5390,"line":5422},[5388,22387,6629],{"class":6384},[5388,22389,5555],{"class":5946},[5388,22391,14187],{"class":6086},[5388,22393,6399],{"class":5946},[5388,22395,22396],{"class":6038},"\"age > ?\"",[5388,22398,5603],{"class":5946},[5388,22400,10628],{"class":6853},[5388,22402,14395],{"class":5946},[5388,22404,22405,22408,22410,22413,22415,22417],{"class":5390,"line":5428},[5388,22406,22407],{"class":6086},"   Where",[5388,22409,6399],{"class":5946},[5388,22411,22412],{"class":6038},"\"city = ?\"",[5388,22414,5603],{"class":5946},[5388,22416,10638],{"class":6038},[5388,22418,14395],{"class":5946},[5388,22420,22421,22424,22426,22429,22431,22434],{"class":5390,"line":5434},[5388,22422,22423],{"class":6086},"   Or",[5388,22425,6399],{"class":5946},[5388,22427,22428],{"class":6038},"\"status = ?\"",[5388,22430,5603],{"class":5946},[5388,22432,22433],{"class":6038},"\"vip\"",[5388,22435,14395],{"class":5946},[5388,22437,22438,22440,22442,22444],{"class":5390,"line":5439},[5388,22439,14411],{"class":6086},[5388,22441,7742],{"class":5946},[5388,22443,8643],{"class":6384},[5388,22445,6405],{"class":5946},[5388,22447,22448],{"class":5390,"line":5445},[5388,22449,22450],{"class":5936},"\u002F\u002F SELECT * FROM users WHERE (age > 18 AND city = 'Київ') OR status = 'vip'\n",[5388,22452,22453],{"class":5390,"line":5451},[5388,22454,5413],{"emptyLinePlaceholder":5412},[5388,22456,22457],{"class":5390,"line":5456},[5388,22458,22459],{"class":5936},"\u002F\u002F NOT умови\n",[5388,22461,22462,22464,22466,22469,22471,22474,22476,22478,22480,22482,22484,22486],{"class":5390,"line":5462},[5388,22463,6629],{"class":6384},[5388,22465,5555],{"class":5946},[5388,22467,22468],{"class":6086},"Not",[5388,22470,6399],{"class":5946},[5388,22472,22473],{"class":6038},"\"name = ?\"",[5388,22475,5603],{"class":5946},[5388,22477,17514],{"class":6038},[5388,22479,5827],{"class":5946},[5388,22481,14239],{"class":6086},[5388,22483,7742],{"class":5946},[5388,22485,8643],{"class":6384},[5388,22487,6405],{"class":5946},[5388,22489,22490],{"class":5390,"line":5468},[5388,22491,22492],{"class":5936},"\u002F\u002F SELECT * FROM users WHERE NOT name = 'Alice'\n",[5388,22494,22495],{"class":5390,"line":5474},[5388,22496,5413],{"emptyLinePlaceholder":5412},[5388,22498,22499,22501,22503,22505,22507,22509,22511,22513,22515,22517,22520,22523,22525,22527,22529,22531,22533,22536,22539,22541,22543,22545],{"class":5390,"line":5480},[5388,22500,6629],{"class":6384},[5388,22502,5555],{"class":5946},[5388,22504,22468],{"class":6086},[5388,22506,6399],{"class":5946},[5388,22508,14532],{"class":6096},[5388,22510,14535],{"class":5946},[5388,22512,13511],{"class":6425},[5388,22514,14540],{"class":5946},[5388,22516,14543],{"class":6096},[5388,22518,22519],{"class":5946},"{}{",[5388,22521,22522],{"class":6038},"\"name\"",[5388,22524,15265],{"class":5946},[5388,22526,13511],{"class":6425},[5388,22528,7559],{"class":5946},[5388,22530,17514],{"class":6038},[5388,22532,5603],{"class":5946},[5388,22534,22535],{"class":6038},"\"Bob\"",[5388,22537,22538],{"class":5946},"}}).",[5388,22540,14239],{"class":6086},[5388,22542,7742],{"class":5946},[5388,22544,8643],{"class":6384},[5388,22546,6405],{"class":5946},[5388,22548,22549],{"class":5390,"line":5486},[5388,22550,22551],{"class":5936},"\u002F\u002F SELECT * FROM users WHERE name NOT IN ('Alice', 'Bob')\n",[5388,22553,22554],{"class":5390,"line":5491},[5388,22555,5413],{"emptyLinePlaceholder":5412},[5388,22557,22558],{"class":5390,"line":5497},[5388,22559,22560],{"class":5936},"\u002F\u002F NOT з первинним ключем\n",[5388,22562,22563,22565,22567,22569,22571,22573,22575,22577,22579,22581,22583,22586,22588,22590,22592,22594],{"class":5390,"line":5502},[5388,22564,6629],{"class":6384},[5388,22566,5555],{"class":5946},[5388,22568,22468],{"class":6086},[5388,22570,15729],{"class":5946},[5388,22572,16797],{"class":6425},[5388,22574,7559],{"class":5946},[5388,22576,7377],{"class":6853},[5388,22578,5603],{"class":5946},[5388,22580,6940],{"class":6853},[5388,22582,5603],{"class":5946},[5388,22584,22585],{"class":6853},"3",[5388,22587,21916],{"class":5946},[5388,22589,14239],{"class":6086},[5388,22591,7742],{"class":5946},[5388,22593,8643],{"class":6384},[5388,22595,6405],{"class":5946},[5388,22597,22598],{"class":5390,"line":5508},[5388,22599,22600],{"class":5936},"\u002F\u002F SELECT * FROM users WHERE id NOT IN (1, 2, 3)\n",[5615,22602,22604],{"id":22603},"select-та-omit-вибір-полів","Select та Omit — вибір полів",[5266,22606,22607,22608,22611],{},"За замовчуванням GORM завантажує всі колонки (",[5204,22609,22610],{},"SELECT *","). Це можна оптимізувати:",[5379,22613,22615],{"className":6376,"code":22614,"language":6232,"meta":5384,"style":5384},"\u002F\u002F Вибрати конкретні колонки\ndb.Select(\"name\", \"email\").Find(&users)\n\u002F\u002F SELECT name, email FROM users\n\ndb.Select([]string{\"name\", \"email\", \"age\"}).Find(&users)\n\u002F\u002F SELECT name, email, age FROM users\n\n\u002F\u002F Виключити колонки\ndb.Omit(\"password_hash\", \"secret_token\").Find(&users)\n\u002F\u002F SELECT id, name, email, created_at, ... (крім password_hash та secret_token)\n\n\u002F\u002F Вибір з виразами\ndb.Select(\"name, age, age * 2 as double_age\").Find(&users)\n\n\u002F\u002F Підрахунок\ntype Result struct {\n    Name  string\n    Total int\n}\nvar result Result\ndb.Model(&User{}).Select(\"name, COUNT(*) as total\").Group(\"name\").Scan(&result)\n",[5204,22616,22617,22622,22650,22655,22659,22694,22699,22703,22708,22737,22742,22746,22751,22774,22778,22783,22794,22800,22808,22812,22821],{"__ignoreMap":5384},[5388,22618,22619],{"class":5390,"line":5391},[5388,22620,22621],{"class":5936},"\u002F\u002F Вибрати конкретні колонки\n",[5388,22623,22624,22626,22628,22631,22633,22635,22637,22640,22642,22644,22646,22648],{"class":5390,"line":5397},[5388,22625,6629],{"class":6384},[5388,22627,5555],{"class":5946},[5388,22629,22630],{"class":6086},"Select",[5388,22632,6399],{"class":5946},[5388,22634,22522],{"class":6038},[5388,22636,5603],{"class":5946},[5388,22638,22639],{"class":6038},"\"email\"",[5388,22641,5827],{"class":5946},[5388,22643,14239],{"class":6086},[5388,22645,7742],{"class":5946},[5388,22647,8643],{"class":6384},[5388,22649,6405],{"class":5946},[5388,22651,22652],{"class":5390,"line":5403},[5388,22653,22654],{"class":5936},"\u002F\u002F SELECT name, email FROM users\n",[5388,22656,22657],{"class":5390,"line":5409},[5388,22658,5413],{"emptyLinePlaceholder":5412},[5388,22660,22661,22663,22665,22667,22669,22671,22673,22675,22677,22679,22681,22684,22686,22688,22690,22692],{"class":5390,"line":5416},[5388,22662,6629],{"class":6384},[5388,22664,5555],{"class":5946},[5388,22666,22630],{"class":6086},[5388,22668,15729],{"class":5946},[5388,22670,13511],{"class":6425},[5388,22672,7559],{"class":5946},[5388,22674,22522],{"class":6038},[5388,22676,5603],{"class":5946},[5388,22678,22639],{"class":6038},[5388,22680,5603],{"class":5946},[5388,22682,22683],{"class":6038},"\"age\"",[5388,22685,21916],{"class":5946},[5388,22687,14239],{"class":6086},[5388,22689,7742],{"class":5946},[5388,22691,8643],{"class":6384},[5388,22693,6405],{"class":5946},[5388,22695,22696],{"class":5390,"line":5422},[5388,22697,22698],{"class":5936},"\u002F\u002F SELECT name, email, age FROM users\n",[5388,22700,22701],{"class":5390,"line":5428},[5388,22702,5413],{"emptyLinePlaceholder":5412},[5388,22704,22705],{"class":5390,"line":5434},[5388,22706,22707],{"class":5936},"\u002F\u002F Виключити колонки\n",[5388,22709,22710,22712,22714,22717,22719,22722,22724,22727,22729,22731,22733,22735],{"class":5390,"line":5439},[5388,22711,6629],{"class":6384},[5388,22713,5555],{"class":5946},[5388,22715,22716],{"class":6086},"Omit",[5388,22718,6399],{"class":5946},[5388,22720,22721],{"class":6038},"\"password_hash\"",[5388,22723,5603],{"class":5946},[5388,22725,22726],{"class":6038},"\"secret_token\"",[5388,22728,5827],{"class":5946},[5388,22730,14239],{"class":6086},[5388,22732,7742],{"class":5946},[5388,22734,8643],{"class":6384},[5388,22736,6405],{"class":5946},[5388,22738,22739],{"class":5390,"line":5445},[5388,22740,22741],{"class":5936},"\u002F\u002F SELECT id, name, email, created_at, ... (крім password_hash та secret_token)\n",[5388,22743,22744],{"class":5390,"line":5451},[5388,22745,5413],{"emptyLinePlaceholder":5412},[5388,22747,22748],{"class":5390,"line":5456},[5388,22749,22750],{"class":5936},"\u002F\u002F Вибір з виразами\n",[5388,22752,22753,22755,22757,22759,22761,22764,22766,22768,22770,22772],{"class":5390,"line":5462},[5388,22754,6629],{"class":6384},[5388,22756,5555],{"class":5946},[5388,22758,22630],{"class":6086},[5388,22760,6399],{"class":5946},[5388,22762,22763],{"class":6038},"\"name, age, age * 2 as double_age\"",[5388,22765,5827],{"class":5946},[5388,22767,14239],{"class":6086},[5388,22769,7742],{"class":5946},[5388,22771,8643],{"class":6384},[5388,22773,6405],{"class":5946},[5388,22775,22776],{"class":5390,"line":5468},[5388,22777,5413],{"emptyLinePlaceholder":5412},[5388,22779,22780],{"class":5390,"line":5474},[5388,22781,22782],{"class":5936},"\u002F\u002F Підрахунок\n",[5388,22784,22785,22787,22790,22792],{"class":5390,"line":5480},[5388,22786,7440],{"class":6096},[5388,22788,22789],{"class":6425}," Result",[5388,22791,7446],{"class":6096},[5388,22793,6561],{"class":5946},[5388,22795,22796,22798],{"class":5390,"line":5486},[5388,22797,15123],{"class":6384},[5388,22799,14968],{"class":6425},[5388,22801,22802,22805],{"class":5390,"line":5491},[5388,22803,22804],{"class":6384},"    Total",[5388,22806,22807],{"class":6425}," int\n",[5388,22809,22810],{"class":5390,"line":5497},[5388,22811,5711],{"class":5946},[5388,22813,22814,22816,22818],{"class":5390,"line":5502},[5388,22815,10649],{"class":6096},[5388,22817,13857],{"class":6384},[5388,22819,22820],{"class":6425}," Result\n",[5388,22822,22823,22825,22827,22829,22831,22833,22836,22838,22840,22843,22845,22848,22850,22852,22854,22856,22858,22860],{"class":5390,"line":5508},[5388,22824,6629],{"class":6384},[5388,22826,5555],{"class":5946},[5388,22828,14481],{"class":6086},[5388,22830,7742],{"class":5946},[5388,22832,7617],{"class":6425},[5388,22834,22835],{"class":5946},"{}).",[5388,22837,22630],{"class":6086},[5388,22839,6399],{"class":5946},[5388,22841,22842],{"class":6038},"\"name, COUNT(*) as total\"",[5388,22844,5827],{"class":5946},[5388,22846,22847],{"class":6086},"Group",[5388,22849,6399],{"class":5946},[5388,22851,22522],{"class":6038},[5388,22853,5827],{"class":5946},[5388,22855,7739],{"class":6086},[5388,22857,7742],{"class":5946},[5388,22859,7246],{"class":6384},[5388,22861,6405],{"class":5946},[5841,22863,22864,22869,22884,22889],{},[5266,22865,22866],{},[5229,22867,22868],{},"Коли використовувати Select?",[5194,22870,22871,22874,22881],{},[5197,22872,22873],{},"Коли потрібні лише деякі поля (економія трафіку та пам'яті).",[5197,22875,22876,22877,22880],{},"Для вибірки великих текстових полів (наприклад, виключити ",[5204,22878,22879],{},"body"," статті у списку).",[5197,22882,22883],{},"При агрегації та групуванні даних.",[5266,22885,22886],{},[5229,22887,22888],{},"Коли використовувати Omit?",[5194,22890,22891,22894],{},[5197,22892,22893],{},"Для виключення чутливих даних (паролі, токени).",[5197,22895,22896],{},"Коли легше вказати, що виключити, ніж перелічувати всі потрібні поля.",[5615,22898,22900],{"id":22899},"order-сортування","Order — сортування",[5379,22902,22904],{"className":6376,"code":22903,"language":6232,"meta":5384,"style":5384},"\u002F\u002F Сортування за одним полем\ndb.Order(\"age DESC\").Find(&users)\n\u002F\u002F SELECT * FROM users ORDER BY age DESC\n\ndb.Order(\"created_at ASC\").Find(&articles)\n\n\u002F\u002F Кілька полів\ndb.Order(\"age DESC, name ASC\").Find(&users)\n\u002F\u002F ORDER BY age DESC, name ASC\n\n\u002F\u002F Через кілька викликів\ndb.Order(\"age DESC\").Order(\"name\").Find(&users)\n\n\u002F\u002F Сортування з виразами\ndb.Order(\"CASE WHEN role = 'admin' THEN 1 ELSE 2 END\").Find(&users)\n",[5204,22905,22906,22911,22935,22940,22944,22968,22972,22977,23000,23005,23009,23014,23044,23048,23053],{"__ignoreMap":5384},[5388,22907,22908],{"class":5390,"line":5391},[5388,22909,22910],{"class":5936},"\u002F\u002F Сортування за одним полем\n",[5388,22912,22913,22915,22917,22920,22922,22925,22927,22929,22931,22933],{"class":5390,"line":5397},[5388,22914,6629],{"class":6384},[5388,22916,5555],{"class":5946},[5388,22918,22919],{"class":6086},"Order",[5388,22921,6399],{"class":5946},[5388,22923,22924],{"class":6038},"\"age DESC\"",[5388,22926,5827],{"class":5946},[5388,22928,14239],{"class":6086},[5388,22930,7742],{"class":5946},[5388,22932,8643],{"class":6384},[5388,22934,6405],{"class":5946},[5388,22936,22937],{"class":5390,"line":5403},[5388,22938,22939],{"class":5936},"\u002F\u002F SELECT * FROM users ORDER BY age DESC\n",[5388,22941,22942],{"class":5390,"line":5409},[5388,22943,5413],{"emptyLinePlaceholder":5412},[5388,22945,22946,22948,22950,22952,22954,22957,22959,22961,22963,22966],{"class":5390,"line":5416},[5388,22947,6629],{"class":6384},[5388,22949,5555],{"class":5946},[5388,22951,22919],{"class":6086},[5388,22953,6399],{"class":5946},[5388,22955,22956],{"class":6038},"\"created_at ASC\"",[5388,22958,5827],{"class":5946},[5388,22960,14239],{"class":6086},[5388,22962,7742],{"class":5946},[5388,22964,22965],{"class":6384},"articles",[5388,22967,6405],{"class":5946},[5388,22969,22970],{"class":5390,"line":5422},[5388,22971,5413],{"emptyLinePlaceholder":5412},[5388,22973,22974],{"class":5390,"line":5428},[5388,22975,22976],{"class":5936},"\u002F\u002F Кілька полів\n",[5388,22978,22979,22981,22983,22985,22987,22990,22992,22994,22996,22998],{"class":5390,"line":5434},[5388,22980,6629],{"class":6384},[5388,22982,5555],{"class":5946},[5388,22984,22919],{"class":6086},[5388,22986,6399],{"class":5946},[5388,22988,22989],{"class":6038},"\"age DESC, name ASC\"",[5388,22991,5827],{"class":5946},[5388,22993,14239],{"class":6086},[5388,22995,7742],{"class":5946},[5388,22997,8643],{"class":6384},[5388,22999,6405],{"class":5946},[5388,23001,23002],{"class":5390,"line":5439},[5388,23003,23004],{"class":5936},"\u002F\u002F ORDER BY age DESC, name ASC\n",[5388,23006,23007],{"class":5390,"line":5445},[5388,23008,5413],{"emptyLinePlaceholder":5412},[5388,23010,23011],{"class":5390,"line":5451},[5388,23012,23013],{"class":5936},"\u002F\u002F Через кілька викликів\n",[5388,23015,23016,23018,23020,23022,23024,23026,23028,23030,23032,23034,23036,23038,23040,23042],{"class":5390,"line":5456},[5388,23017,6629],{"class":6384},[5388,23019,5555],{"class":5946},[5388,23021,22919],{"class":6086},[5388,23023,6399],{"class":5946},[5388,23025,22924],{"class":6038},[5388,23027,5827],{"class":5946},[5388,23029,22919],{"class":6086},[5388,23031,6399],{"class":5946},[5388,23033,22522],{"class":6038},[5388,23035,5827],{"class":5946},[5388,23037,14239],{"class":6086},[5388,23039,7742],{"class":5946},[5388,23041,8643],{"class":6384},[5388,23043,6405],{"class":5946},[5388,23045,23046],{"class":5390,"line":5462},[5388,23047,5413],{"emptyLinePlaceholder":5412},[5388,23049,23050],{"class":5390,"line":5468},[5388,23051,23052],{"class":5936},"\u002F\u002F Сортування з виразами\n",[5388,23054,23055,23057,23059,23061,23063,23066,23068,23070,23072,23074],{"class":5390,"line":5474},[5388,23056,6629],{"class":6384},[5388,23058,5555],{"class":5946},[5388,23060,22919],{"class":6086},[5388,23062,6399],{"class":5946},[5388,23064,23065],{"class":6038},"\"CASE WHEN role = 'admin' THEN 1 ELSE 2 END\"",[5388,23067,5827],{"class":5946},[5388,23069,14239],{"class":6086},[5388,23071,7742],{"class":5946},[5388,23073,8643],{"class":6384},[5388,23075,6405],{"class":5946},[5615,23077,23079],{"id":23078},"limit-та-offset-пагінація","Limit та Offset — пагінація",[5379,23081,23083],{"className":6376,"code":23082,"language":6232,"meta":5384,"style":5384},"\u002F\u002F Перші 10 записів\ndb.Limit(10).Find(&users)\n\u002F\u002F SELECT * FROM users LIMIT 10\n\n\u002F\u002F Пропустити 20, взяти 10 (сторінка 3, по 10 на сторінці)\ndb.Limit(10).Offset(20).Find(&users)\n\u002F\u002F SELECT * FROM users LIMIT 10 OFFSET 20\n\n\u002F\u002F Функція пагінації\nfunc Paginate(page, pageSize int) func(db *gorm.DB) *gorm.DB {\n    return func(db *gorm.DB) *gorm.DB {\n        offset := (page - 1) * pageSize\n        return db.Offset(offset).Limit(pageSize)\n    }\n}\n\n\u002F\u002F Використання:\ndb.Scopes(Paginate(3, 20)).Find(&users)\n\u002F\u002F Сторінка 3, 20 записів на сторінці\n",[5204,23084,23085,23090,23113,23118,23122,23127,23159,23164,23168,23173,23218,23246,23267,23291,23295,23299,23303,23307,23339],{"__ignoreMap":5384},[5388,23086,23087],{"class":5390,"line":5391},[5388,23088,23089],{"class":5936},"\u002F\u002F Перші 10 записів\n",[5388,23091,23092,23094,23096,23099,23101,23103,23105,23107,23109,23111],{"class":5390,"line":5397},[5388,23093,6629],{"class":6384},[5388,23095,5555],{"class":5946},[5388,23097,23098],{"class":6086},"Limit",[5388,23100,6399],{"class":5946},[5388,23102,6879],{"class":6853},[5388,23104,5827],{"class":5946},[5388,23106,14239],{"class":6086},[5388,23108,7742],{"class":5946},[5388,23110,8643],{"class":6384},[5388,23112,6405],{"class":5946},[5388,23114,23115],{"class":5390,"line":5403},[5388,23116,23117],{"class":5936},"\u002F\u002F SELECT * FROM users LIMIT 10\n",[5388,23119,23120],{"class":5390,"line":5409},[5388,23121,5413],{"emptyLinePlaceholder":5412},[5388,23123,23124],{"class":5390,"line":5416},[5388,23125,23126],{"class":5936},"\u002F\u002F Пропустити 20, взяти 10 (сторінка 3, по 10 на сторінці)\n",[5388,23128,23129,23131,23133,23135,23137,23139,23141,23144,23146,23149,23151,23153,23155,23157],{"class":5390,"line":5422},[5388,23130,6629],{"class":6384},[5388,23132,5555],{"class":5946},[5388,23134,23098],{"class":6086},[5388,23136,6399],{"class":5946},[5388,23138,6879],{"class":6853},[5388,23140,5827],{"class":5946},[5388,23142,23143],{"class":6086},"Offset",[5388,23145,6399],{"class":5946},[5388,23147,23148],{"class":6853},"20",[5388,23150,5827],{"class":5946},[5388,23152,14239],{"class":6086},[5388,23154,7742],{"class":5946},[5388,23156,8643],{"class":6384},[5388,23158,6405],{"class":5946},[5388,23160,23161],{"class":5390,"line":5428},[5388,23162,23163],{"class":5936},"\u002F\u002F SELECT * FROM users LIMIT 10 OFFSET 20\n",[5388,23165,23166],{"class":5390,"line":5434},[5388,23167,5413],{"emptyLinePlaceholder":5412},[5388,23169,23170],{"class":5390,"line":5439},[5388,23171,23172],{"class":5936},"\u002F\u002F Функція пагінації\n",[5388,23174,23175,23177,23180,23182,23185,23187,23190,23192,23194,23196,23198,23200,23202,23204,23206,23208,23210,23212,23214,23216],{"class":5390,"line":5445},[5388,23176,6483],{"class":6096},[5388,23178,23179],{"class":6086}," Paginate",[5388,23181,6399],{"class":5946},[5388,23183,23184],{"class":6384},"page",[5388,23186,5603],{"class":5946},[5388,23188,23189],{"class":6384},"pageSize",[5388,23191,8035],{"class":6425},[5388,23193,7046],{"class":5946},[5388,23195,6483],{"class":6096},[5388,23197,6399],{"class":5946},[5388,23199,6629],{"class":6384},[5388,23201,7036],{"class":5946},[5388,23203,13228],{"class":6425},[5388,23205,5555],{"class":5946},[5388,23207,7043],{"class":6425},[5388,23209,7542],{"class":5946},[5388,23211,13228],{"class":6425},[5388,23213,5555],{"class":5946},[5388,23215,7043],{"class":6425},[5388,23217,6561],{"class":5946},[5388,23219,23220,23222,23224,23226,23228,23230,23232,23234,23236,23238,23240,23242,23244],{"class":5390,"line":5451},[5388,23221,7198],{"class":6435},[5388,23223,11024],{"class":6096},[5388,23225,6399],{"class":5946},[5388,23227,6629],{"class":6384},[5388,23229,7036],{"class":5946},[5388,23231,13228],{"class":6425},[5388,23233,5555],{"class":5946},[5388,23235,7043],{"class":6425},[5388,23237,7542],{"class":5946},[5388,23239,13228],{"class":6425},[5388,23241,5555],{"class":5946},[5388,23243,7043],{"class":6425},[5388,23245,6561],{"class":5946},[5388,23247,23248,23251,23254,23256,23259,23261,23264],{"class":5390,"line":5456},[5388,23249,23250],{"class":6384},"        offset",[5388,23252,23253],{"class":5946}," := (",[5388,23255,23184],{"class":6384},[5388,23257,23258],{"class":5946}," - ",[5388,23260,7377],{"class":6853},[5388,23262,23263],{"class":5946},") * ",[5388,23265,23266],{"class":6384},"pageSize\n",[5388,23268,23269,23271,23273,23275,23277,23279,23281,23283,23285,23287,23289],{"class":5390,"line":5462},[5388,23270,7146],{"class":6435},[5388,23272,6601],{"class":6384},[5388,23274,5555],{"class":5946},[5388,23276,23143],{"class":6086},[5388,23278,6399],{"class":5946},[5388,23280,19483],{"class":6384},[5388,23282,5827],{"class":5946},[5388,23284,23098],{"class":6086},[5388,23286,6399],{"class":5946},[5388,23288,23189],{"class":6384},[5388,23290,6405],{"class":5946},[5388,23292,23293],{"class":5390,"line":5468},[5388,23294,6593],{"class":5946},[5388,23296,23297],{"class":5390,"line":5474},[5388,23298,5711],{"class":5946},[5388,23300,23301],{"class":5390,"line":5480},[5388,23302,5413],{"emptyLinePlaceholder":5412},[5388,23304,23305],{"class":5390,"line":5486},[5388,23306,16007],{"class":5936},[5388,23308,23309,23311,23313,23316,23318,23321,23323,23325,23327,23329,23331,23333,23335,23337],{"class":5390,"line":5491},[5388,23310,6629],{"class":6384},[5388,23312,5555],{"class":5946},[5388,23314,23315],{"class":6086},"Scopes",[5388,23317,6399],{"class":5946},[5388,23319,23320],{"class":6425},"Paginate",[5388,23322,6399],{"class":5946},[5388,23324,22585],{"class":6853},[5388,23326,5603],{"class":5946},[5388,23328,23148],{"class":6853},[5388,23330,20933],{"class":5946},[5388,23332,14239],{"class":6086},[5388,23334,7742],{"class":5946},[5388,23336,8643],{"class":6425},[5388,23338,6405],{"class":5946},[5388,23340,23341],{"class":5390,"line":5497},[5388,23342,23343],{"class":5936},"\u002F\u002F Сторінка 3, 20 записів на сторінці\n",[5615,23345,23347],{"id":23346},"distinct-унікальні-значення","Distinct — унікальні значення",[5379,23349,23351],{"className":6376,"code":23350,"language":6232,"meta":5384,"style":5384},"\u002F\u002F Унікальні міста\ndb.Distinct(\"city\").Find(&users)\n\u002F\u002F SELECT DISTINCT city FROM users\n\n\u002F\u002F Підрахунок унікальних\nvar count int64\ndb.Model(&User{}).Distinct(\"city\").Count(&count)\n\u002F\u002F SELECT COUNT(DISTINCT city) FROM users\n",[5204,23352,23353,23358,23382,23387,23391,23396,23406,23438],{"__ignoreMap":5384},[5388,23354,23355],{"class":5390,"line":5391},[5388,23356,23357],{"class":5936},"\u002F\u002F Унікальні міста\n",[5388,23359,23360,23362,23364,23367,23369,23372,23374,23376,23378,23380],{"class":5390,"line":5397},[5388,23361,6629],{"class":6384},[5388,23363,5555],{"class":5946},[5388,23365,23366],{"class":6086},"Distinct",[5388,23368,6399],{"class":5946},[5388,23370,23371],{"class":6038},"\"city\"",[5388,23373,5827],{"class":5946},[5388,23375,14239],{"class":6086},[5388,23377,7742],{"class":5946},[5388,23379,8643],{"class":6384},[5388,23381,6405],{"class":5946},[5388,23383,23384],{"class":5390,"line":5403},[5388,23385,23386],{"class":5936},"\u002F\u002F SELECT DISTINCT city FROM users\n",[5388,23388,23389],{"class":5390,"line":5409},[5388,23390,5413],{"emptyLinePlaceholder":5412},[5388,23392,23393],{"class":5390,"line":5416},[5388,23394,23395],{"class":5936},"\u002F\u002F Підрахунок унікальних\n",[5388,23397,23398,23400,23403],{"class":5390,"line":5422},[5388,23399,10649],{"class":6096},[5388,23401,23402],{"class":6384}," count",[5388,23404,23405],{"class":6425}," int64\n",[5388,23407,23408,23410,23412,23414,23416,23418,23420,23422,23424,23426,23428,23431,23433,23436],{"class":5390,"line":5428},[5388,23409,6629],{"class":6384},[5388,23411,5555],{"class":5946},[5388,23413,14481],{"class":6086},[5388,23415,7742],{"class":5946},[5388,23417,7617],{"class":6425},[5388,23419,22835],{"class":5946},[5388,23421,23366],{"class":6086},[5388,23423,6399],{"class":5946},[5388,23425,23371],{"class":6038},[5388,23427,5827],{"class":5946},[5388,23429,23430],{"class":6086},"Count",[5388,23432,7742],{"class":5946},[5388,23434,23435],{"class":6384},"count",[5388,23437,6405],{"class":5946},[5388,23439,23440],{"class":5390,"line":5434},[5388,23441,23442],{"class":5936},"\u002F\u002F SELECT COUNT(DISTINCT city) FROM users\n",[5615,23444,23446],{"id":23445},"group-та-having-групування","Group та Having — групування",[5379,23448,23450],{"className":6376,"code":23449,"language":6232,"meta":5384,"style":5384},"type Result struct {\n    City  string\n    Count int\n}\n\nvar results []Result\n\n\u002F\u002F Групування з підрахунком\ndb.Model(&User{}).\n   Select(\"city, count(*) as count\").\n   Group(\"city\").\n   Scan(&results)\n\u002F\u002F SELECT city, count(*) as count FROM users GROUP BY city\n\n\u002F\u002F Групування з фільтрацією (HAVING)\ndb.Model(&User{}).\n   Select(\"city, count(*) as count\").\n   Group(\"city\").\n   Having(\"count > ?\", 10).\n   Scan(&results)\n\u002F\u002F SELECT city, count(*) FROM users GROUP BY city HAVING count > 10\n\n\u002F\u002F Складна агрегація\ntype AgeStats struct {\n    AvgAge float64\n    MinAge int\n    MaxAge int\n}\n\nvar stats AgeStats\ndb.Model(&User{}).\n   Select(\"AVG(age) as avg_age, MIN(age) as min_age, MAX(age) as max_age\").\n   Scan(&stats)\n",[5204,23451,23452,23462,23468,23475,23479,23483,23495,23499,23504,23519,23531,23542,23554,23559,23563,23568,23582,23592,23602,23618,23628,23633,23637,23642,23653,23661,23667,23674,23678,23682,23692,23706,23717],{"__ignoreMap":5384},[5388,23453,23454,23456,23458,23460],{"class":5390,"line":5391},[5388,23455,7440],{"class":6096},[5388,23457,22789],{"class":6425},[5388,23459,7446],{"class":6096},[5388,23461,6561],{"class":5946},[5388,23463,23464,23466],{"class":5390,"line":5397},[5388,23465,10594],{"class":6384},[5388,23467,14968],{"class":6425},[5388,23469,23470,23473],{"class":5390,"line":5403},[5388,23471,23472],{"class":6384},"    Count",[5388,23474,22807],{"class":6425},[5388,23476,23477],{"class":5390,"line":5409},[5388,23478,5711],{"class":5946},[5388,23480,23481],{"class":5390,"line":5416},[5388,23482,5413],{"emptyLinePlaceholder":5412},[5388,23484,23485,23487,23490,23492],{"class":5390,"line":5422},[5388,23486,10649],{"class":6096},[5388,23488,23489],{"class":6384}," results",[5388,23491,10654],{"class":5946},[5388,23493,23494],{"class":6425},"Result\n",[5388,23496,23497],{"class":5390,"line":5428},[5388,23498,5413],{"emptyLinePlaceholder":5412},[5388,23500,23501],{"class":5390,"line":5434},[5388,23502,23503],{"class":5936},"\u002F\u002F Групування з підрахунком\n",[5388,23505,23506,23508,23510,23512,23514,23516],{"class":5390,"line":5439},[5388,23507,6629],{"class":6384},[5388,23509,5555],{"class":5946},[5388,23511,14481],{"class":6086},[5388,23513,7742],{"class":5946},[5388,23515,7617],{"class":6425},[5388,23517,23518],{"class":5946},"{}).\n",[5388,23520,23521,23524,23526,23529],{"class":5390,"line":5445},[5388,23522,23523],{"class":6086},"   Select",[5388,23525,6399],{"class":5946},[5388,23527,23528],{"class":6038},"\"city, count(*) as count\"",[5388,23530,14395],{"class":5946},[5388,23532,23533,23536,23538,23540],{"class":5390,"line":5451},[5388,23534,23535],{"class":6086},"   Group",[5388,23537,6399],{"class":5946},[5388,23539,23371],{"class":6038},[5388,23541,14395],{"class":5946},[5388,23543,23544,23547,23549,23552],{"class":5390,"line":5456},[5388,23545,23546],{"class":6086},"   Scan",[5388,23548,7742],{"class":5946},[5388,23550,23551],{"class":6384},"results",[5388,23553,6405],{"class":5946},[5388,23555,23556],{"class":5390,"line":5462},[5388,23557,23558],{"class":5936},"\u002F\u002F SELECT city, count(*) as count FROM users GROUP BY city\n",[5388,23560,23561],{"class":5390,"line":5468},[5388,23562,5413],{"emptyLinePlaceholder":5412},[5388,23564,23565],{"class":5390,"line":5474},[5388,23566,23567],{"class":5936},"\u002F\u002F Групування з фільтрацією (HAVING)\n",[5388,23569,23570,23572,23574,23576,23578,23580],{"class":5390,"line":5480},[5388,23571,6629],{"class":6384},[5388,23573,5555],{"class":5946},[5388,23575,14481],{"class":6086},[5388,23577,7742],{"class":5946},[5388,23579,7617],{"class":6425},[5388,23581,23518],{"class":5946},[5388,23583,23584,23586,23588,23590],{"class":5390,"line":5486},[5388,23585,23523],{"class":6086},[5388,23587,6399],{"class":5946},[5388,23589,23528],{"class":6038},[5388,23591,14395],{"class":5946},[5388,23593,23594,23596,23598,23600],{"class":5390,"line":5491},[5388,23595,23535],{"class":6086},[5388,23597,6399],{"class":5946},[5388,23599,23371],{"class":6038},[5388,23601,14395],{"class":5946},[5388,23603,23604,23607,23609,23612,23614,23616],{"class":5390,"line":5497},[5388,23605,23606],{"class":6086},"   Having",[5388,23608,6399],{"class":5946},[5388,23610,23611],{"class":6038},"\"count > ?\"",[5388,23613,5603],{"class":5946},[5388,23615,6879],{"class":6853},[5388,23617,14395],{"class":5946},[5388,23619,23620,23622,23624,23626],{"class":5390,"line":5502},[5388,23621,23546],{"class":6086},[5388,23623,7742],{"class":5946},[5388,23625,23551],{"class":6384},[5388,23627,6405],{"class":5946},[5388,23629,23630],{"class":5390,"line":5508},[5388,23631,23632],{"class":5936},"\u002F\u002F SELECT city, count(*) FROM users GROUP BY city HAVING count > 10\n",[5388,23634,23635],{"class":5390,"line":5513},[5388,23636,5413],{"emptyLinePlaceholder":5412},[5388,23638,23639],{"class":5390,"line":5518},[5388,23640,23641],{"class":5936},"\u002F\u002F Складна агрегація\n",[5388,23643,23644,23646,23649,23651],{"class":5390,"line":5524},[5388,23645,7440],{"class":6096},[5388,23647,23648],{"class":6425}," AgeStats",[5388,23650,7446],{"class":6096},[5388,23652,6561],{"class":5946},[5388,23654,23655,23658],{"class":5390,"line":5530},[5388,23656,23657],{"class":6384},"    AvgAge",[5388,23659,23660],{"class":6425}," float64\n",[5388,23662,23663,23665],{"class":5390,"line":5535},[5388,23664,10584],{"class":6384},[5388,23666,22807],{"class":6425},[5388,23668,23669,23672],{"class":5390,"line":5803},[5388,23670,23671],{"class":6384},"    MaxAge",[5388,23673,22807],{"class":6425},[5388,23675,23676],{"class":5390,"line":5808},[5388,23677,5711],{"class":5946},[5388,23679,23680],{"class":5390,"line":7649},[5388,23681,5413],{"emptyLinePlaceholder":5412},[5388,23683,23684,23686,23689],{"class":5390,"line":7654},[5388,23685,10649],{"class":6096},[5388,23687,23688],{"class":6384}," stats",[5388,23690,23691],{"class":6425}," AgeStats\n",[5388,23693,23694,23696,23698,23700,23702,23704],{"class":5390,"line":7659},[5388,23695,6629],{"class":6384},[5388,23697,5555],{"class":5946},[5388,23699,14481],{"class":6086},[5388,23701,7742],{"class":5946},[5388,23703,7617],{"class":6425},[5388,23705,23518],{"class":5946},[5388,23707,23708,23710,23712,23715],{"class":5390,"line":7665},[5388,23709,23523],{"class":6086},[5388,23711,6399],{"class":5946},[5388,23713,23714],{"class":6038},"\"AVG(age) as avg_age, MIN(age) as min_age, MAX(age) as max_age\"",[5388,23716,14395],{"class":5946},[5388,23718,23719,23721,23723,23726],{"class":5390,"line":7696},[5388,23720,23546],{"class":6086},[5388,23722,7742],{"class":5946},[5388,23724,23725],{"class":6384},"stats",[5388,23727,6405],{"class":5946},[5615,23729,23731],{"id":23730},"pluck-вибірка-одного-стовпця-у-слайс","Pluck — вибірка одного стовпця у слайс",[5379,23733,23735],{"className":6376,"code":23734,"language":6232,"meta":5384,"style":5384},"\u002F\u002F Отримати всі email як []string\nvar emails []string\ndb.Model(&User{}).Pluck(\"email\", &emails)\n\u002F\u002F SELECT email FROM users\n\n\u002F\u002F Отримати ID\nvar ids []uint\ndb.Model(&User{}).Pluck(\"id\", &ids)\n\n\u002F\u002F З умовами\nvar activeEmails []string\ndb.Model(&User{}).Where(\"status = ?\", \"active\").Pluck(\"email\", &activeEmails)\n",[5204,23736,23737,23742,23754,23782,23787,23791,23796,23808,23836,23840,23845,23856],{"__ignoreMap":5384},[5388,23738,23739],{"class":5390,"line":5391},[5388,23740,23741],{"class":5936},"\u002F\u002F Отримати всі email як []string\n",[5388,23743,23744,23746,23749,23751],{"class":5390,"line":5397},[5388,23745,10649],{"class":6096},[5388,23747,23748],{"class":6384}," emails",[5388,23750,10654],{"class":5946},[5388,23752,23753],{"class":6425},"string\n",[5388,23755,23756,23758,23760,23762,23764,23766,23768,23771,23773,23775,23777,23780],{"class":5390,"line":5403},[5388,23757,6629],{"class":6384},[5388,23759,5555],{"class":5946},[5388,23761,14481],{"class":6086},[5388,23763,7742],{"class":5946},[5388,23765,7617],{"class":6425},[5388,23767,22835],{"class":5946},[5388,23769,23770],{"class":6086},"Pluck",[5388,23772,6399],{"class":5946},[5388,23774,22639],{"class":6038},[5388,23776,8559],{"class":5946},[5388,23778,23779],{"class":6384},"emails",[5388,23781,6405],{"class":5946},[5388,23783,23784],{"class":5390,"line":5409},[5388,23785,23786],{"class":5936},"\u002F\u002F SELECT email FROM users\n",[5388,23788,23789],{"class":5390,"line":5416},[5388,23790,5413],{"emptyLinePlaceholder":5412},[5388,23792,23793],{"class":5390,"line":5422},[5388,23794,23795],{"class":5936},"\u002F\u002F Отримати ID\n",[5388,23797,23798,23800,23803,23805],{"class":5390,"line":5428},[5388,23799,10649],{"class":6096},[5388,23801,23802],{"class":6384}," ids",[5388,23804,10654],{"class":5946},[5388,23806,23807],{"class":6425},"uint\n",[5388,23809,23810,23812,23814,23816,23818,23820,23822,23824,23826,23829,23831,23834],{"class":5390,"line":5434},[5388,23811,6629],{"class":6384},[5388,23813,5555],{"class":5946},[5388,23815,14481],{"class":6086},[5388,23817,7742],{"class":5946},[5388,23819,7617],{"class":6425},[5388,23821,22835],{"class":5946},[5388,23823,23770],{"class":6086},[5388,23825,6399],{"class":5946},[5388,23827,23828],{"class":6038},"\"id\"",[5388,23830,8559],{"class":5946},[5388,23832,23833],{"class":6384},"ids",[5388,23835,6405],{"class":5946},[5388,23837,23838],{"class":5390,"line":5439},[5388,23839,5413],{"emptyLinePlaceholder":5412},[5388,23841,23842],{"class":5390,"line":5445},[5388,23843,23844],{"class":5936},"\u002F\u002F З умовами\n",[5388,23846,23847,23849,23852,23854],{"class":5390,"line":5451},[5388,23848,10649],{"class":6096},[5388,23850,23851],{"class":6384}," activeEmails",[5388,23853,10654],{"class":5946},[5388,23855,23753],{"class":6425},[5388,23857,23858,23860,23862,23864,23866,23868,23870,23872,23874,23876,23878,23880,23882,23884,23886,23888,23890,23893],{"class":5390,"line":5456},[5388,23859,6629],{"class":6384},[5388,23861,5555],{"class":5946},[5388,23863,14481],{"class":6086},[5388,23865,7742],{"class":5946},[5388,23867,7617],{"class":6425},[5388,23869,22835],{"class":5946},[5388,23871,14187],{"class":6086},[5388,23873,6399],{"class":5946},[5388,23875,22428],{"class":6038},[5388,23877,5603],{"class":5946},[5388,23879,21908],{"class":6038},[5388,23881,5827],{"class":5946},[5388,23883,23770],{"class":6086},[5388,23885,6399],{"class":5946},[5388,23887,22639],{"class":6038},[5388,23889,8559],{"class":5946},[5388,23891,23892],{"class":6384},"activeEmails",[5388,23894,6405],{"class":5946},[5615,23896,23898],{"id":23897},"first-last-take-отримання-одного-запису","First, Last, Take — отримання одного запису",[5379,23900,23902],{"className":6376,"code":23901,"language":6232,"meta":5384,"style":5384},"\u002F\u002F First — перший запис (ORDER BY primary key ASC)\nvar user User\ndb.First(&user)\n\u002F\u002F SELECT * FROM users ORDER BY id ASC LIMIT 1\n\n\u002F\u002F Last — останній запис (ORDER BY primary key DESC)\ndb.Last(&user)\n\u002F\u002F SELECT * FROM users ORDER BY id DESC LIMIT 1\n\n\u002F\u002F Take — будь-який запис (без сортування)\ndb.Take(&user)\n\u002F\u002F SELECT * FROM users LIMIT 1\n\n\u002F\u002F З умовами\ndb.Where(\"age > ?\", 18).First(&user)\n\n\u002F\u002F За первинним ключем\ndb.First(&user, 42)\n\u002F\u002F SELECT * FROM users WHERE id = 42 LIMIT 1\n\ndb.First(&user, []int{1, 2, 3})\n\u002F\u002F SELECT * FROM users WHERE id IN (1,2,3) LIMIT 1\n",[5204,23903,23904,23909,23917,23931,23936,23940,23945,23960,23965,23969,23974,23989,23994,23998,24002,24028,24032,24037,24055,24060,24064,24094],{"__ignoreMap":5384},[5388,23905,23906],{"class":5390,"line":5391},[5388,23907,23908],{"class":5936},"\u002F\u002F First — перший запис (ORDER BY primary key ASC)\n",[5388,23910,23911,23913,23915],{"class":5390,"line":5397},[5388,23912,10649],{"class":6096},[5388,23914,8295],{"class":6384},[5388,23916,14828],{"class":6425},[5388,23918,23919,23921,23923,23925,23927,23929],{"class":5390,"line":5403},[5388,23920,6629],{"class":6384},[5388,23922,5555],{"class":5946},[5388,23924,14003],{"class":6086},[5388,23926,7742],{"class":5946},[5388,23928,7612],{"class":6384},[5388,23930,6405],{"class":5946},[5388,23932,23933],{"class":5390,"line":5409},[5388,23934,23935],{"class":5936},"\u002F\u002F SELECT * FROM users ORDER BY id ASC LIMIT 1\n",[5388,23937,23938],{"class":5390,"line":5416},[5388,23939,5413],{"emptyLinePlaceholder":5412},[5388,23941,23942],{"class":5390,"line":5422},[5388,23943,23944],{"class":5936},"\u002F\u002F Last — останній запис (ORDER BY primary key DESC)\n",[5388,23946,23947,23949,23951,23954,23956,23958],{"class":5390,"line":5428},[5388,23948,6629],{"class":6384},[5388,23950,5555],{"class":5946},[5388,23952,23953],{"class":6086},"Last",[5388,23955,7742],{"class":5946},[5388,23957,7612],{"class":6384},[5388,23959,6405],{"class":5946},[5388,23961,23962],{"class":5390,"line":5434},[5388,23963,23964],{"class":5936},"\u002F\u002F SELECT * FROM users ORDER BY id DESC LIMIT 1\n",[5388,23966,23967],{"class":5390,"line":5439},[5388,23968,5413],{"emptyLinePlaceholder":5412},[5388,23970,23971],{"class":5390,"line":5445},[5388,23972,23973],{"class":5936},"\u002F\u002F Take — будь-який запис (без сортування)\n",[5388,23975,23976,23978,23980,23983,23985,23987],{"class":5390,"line":5451},[5388,23977,6629],{"class":6384},[5388,23979,5555],{"class":5946},[5388,23981,23982],{"class":6086},"Take",[5388,23984,7742],{"class":5946},[5388,23986,7612],{"class":6384},[5388,23988,6405],{"class":5946},[5388,23990,23991],{"class":5390,"line":5456},[5388,23992,23993],{"class":5936},"\u002F\u002F SELECT * FROM users LIMIT 1\n",[5388,23995,23996],{"class":5390,"line":5462},[5388,23997,5413],{"emptyLinePlaceholder":5412},[5388,23999,24000],{"class":5390,"line":5468},[5388,24001,23844],{"class":5936},[5388,24003,24004,24006,24008,24010,24012,24014,24016,24018,24020,24022,24024,24026],{"class":5390,"line":5474},[5388,24005,6629],{"class":6384},[5388,24007,5555],{"class":5946},[5388,24009,14187],{"class":6086},[5388,24011,6399],{"class":5946},[5388,24013,22396],{"class":6038},[5388,24015,5603],{"class":5946},[5388,24017,10628],{"class":6853},[5388,24019,5827],{"class":5946},[5388,24021,14003],{"class":6086},[5388,24023,7742],{"class":5946},[5388,24025,7612],{"class":6384},[5388,24027,6405],{"class":5946},[5388,24029,24030],{"class":5390,"line":5480},[5388,24031,5413],{"emptyLinePlaceholder":5412},[5388,24033,24034],{"class":5390,"line":5486},[5388,24035,24036],{"class":5936},"\u002F\u002F За первинним ключем\n",[5388,24038,24039,24041,24043,24045,24047,24049,24051,24053],{"class":5390,"line":5491},[5388,24040,6629],{"class":6384},[5388,24042,5555],{"class":5946},[5388,24044,14003],{"class":6086},[5388,24046,7742],{"class":5946},[5388,24048,7612],{"class":6384},[5388,24050,5603],{"class":5946},[5388,24052,18758],{"class":6853},[5388,24054,6405],{"class":5946},[5388,24056,24057],{"class":5390,"line":5497},[5388,24058,24059],{"class":5936},"\u002F\u002F SELECT * FROM users WHERE id = 42 LIMIT 1\n",[5388,24061,24062],{"class":5390,"line":5502},[5388,24063,5413],{"emptyLinePlaceholder":5412},[5388,24065,24066,24068,24070,24072,24074,24076,24078,24080,24082,24084,24086,24088,24090,24092],{"class":5390,"line":5508},[5388,24067,6629],{"class":6384},[5388,24069,5555],{"class":5946},[5388,24071,14003],{"class":6086},[5388,24073,7742],{"class":5946},[5388,24075,7612],{"class":6384},[5388,24077,21901],{"class":5946},[5388,24079,16797],{"class":6425},[5388,24081,7559],{"class":5946},[5388,24083,7377],{"class":6853},[5388,24085,5603],{"class":5946},[5388,24087,6940],{"class":6853},[5388,24089,5603],{"class":5946},[5388,24091,22585],{"class":6853},[5388,24093,14574],{"class":5946},[5388,24095,24096],{"class":5390,"line":5513},[5388,24097,24098],{"class":5936},"\u002F\u002F SELECT * FROM users WHERE id IN (1,2,3) LIMIT 1\n",[5580,24100,24101,24121],{},[5266,24102,24103,24108,24110,24111,5603,24113,5603,24115,24117,24118,24120],{},[5229,24104,24105,24106,6786],{},"Помилка ",[5204,24107,14039],{},[6727,24109],{},"\nЯкщо запис не знайдено, ",[5204,24112,14003],{},[5204,24114,23953],{},[5204,24116,23982],{}," повертають помилку ",[5204,24119,21605],{},". Завжди перевіряйте цю помилку:",[5379,24122,24124],{"className":6376,"code":24123,"language":6232,"meta":5384,"style":5384},"if err := db.First(&user, id).Error; err != nil {\n    if errors.Is(err, gorm.ErrRecordNotFound) {\n        \u002F\u002F Запис не знайдено\n        return nil, fmt.Errorf(\"користувача не існує\")\n    }\n    \u002F\u002F Інша помилка БД\n    return nil, err\n}\n",[5204,24125,24126,24162,24186,24191,24212,24216,24221,24231],{"__ignoreMap":5384},[5388,24127,24128,24130,24132,24134,24136,24138,24140,24142,24144,24146,24148,24150,24152,24154,24156,24158,24160],{"class":5390,"line":5391},[5388,24129,7270],{"class":6435},[5388,24131,6552],{"class":6384},[5388,24133,6388],{"class":5946},[5388,24135,6629],{"class":6384},[5388,24137,5555],{"class":5946},[5388,24139,14003],{"class":6086},[5388,24141,7742],{"class":5946},[5388,24143,7612],{"class":6384},[5388,24145,5603],{"class":5946},[5388,24147,8032],{"class":6384},[5388,24149,5827],{"class":5946},[5388,24151,13862],{"class":6384},[5388,24153,21502],{"class":5946},[5388,24155,6523],{"class":6384},[5388,24157,6555],{"class":5946},[5388,24159,6558],{"class":6096},[5388,24161,6561],{"class":5946},[5388,24163,24164,24166,24168,24170,24172,24174,24176,24178,24180,24182,24184],{"class":5390,"line":5397},[5388,24165,6549],{"class":6435},[5388,24167,21517],{"class":6384},[5388,24169,5555],{"class":5946},[5388,24171,21522],{"class":6086},[5388,24173,6399],{"class":5946},[5388,24175,6523],{"class":6384},[5388,24177,5603],{"class":5946},[5388,24179,13228],{"class":6384},[5388,24181,5555],{"class":5946},[5388,24183,14039],{"class":6384},[5388,24185,8047],{"class":5946},[5388,24187,24188],{"class":5390,"line":5403},[5388,24189,24190],{"class":5936},"        \u002F\u002F Запис не знайдено\n",[5388,24192,24193,24195,24197,24199,24201,24203,24205,24207,24210],{"class":5390,"line":5409},[5388,24194,7146],{"class":6435},[5388,24196,8209],{"class":6096},[5388,24198,5603],{"class":5946},[5388,24200,8214],{"class":6384},[5388,24202,5555],{"class":5946},[5388,24204,7154],{"class":6086},[5388,24206,6399],{"class":5946},[5388,24208,24209],{"class":6038},"\"користувача не існує\"",[5388,24211,6405],{"class":5946},[5388,24213,24214],{"class":5390,"line":5416},[5388,24215,6593],{"class":5946},[5388,24217,24218],{"class":5390,"line":5422},[5388,24219,24220],{"class":5936},"    \u002F\u002F Інша помилка БД\n",[5388,24222,24223,24225,24227,24229],{"class":5390,"line":5428},[5388,24224,7198],{"class":6435},[5388,24226,8209],{"class":6096},[5388,24228,5603],{"class":5946},[5388,24230,20333],{"class":6384},[5388,24232,24233],{"class":5390,"line":5434},[5388,24234,5711],{"class":5946},[5258,24236],{},[5261,24238,24240],{"id":24239},"scopes-переможні-запити","Scopes — переможні запити",[5266,24242,24243,5306,24245,24248],{},[5229,24244,23315],{},[5270,24246,24247],{},"області застосування",") — це функції, які інкапсулюють логіку запиту та можуть багаторазово використовуватися. Вони дозволяють створювати читабельні, композиційні запити без дублювання коду.",[5615,24250,24252],{"id":24251},"концепція-scopes","Концепція Scopes",[5266,24254,24255],{},"Scope — це функція з сигнатурою:",[5379,24257,24259],{"className":6376,"code":24258,"language":6232,"meta":5384,"style":5384},"func ScopeName(db *gorm.DB) *gorm.DB {\n    return db.Where(...).Order(...)\n}\n",[5204,24260,24261,24290,24308],{"__ignoreMap":5384},[5388,24262,24263,24265,24268,24270,24272,24274,24276,24278,24280,24282,24284,24286,24288],{"class":5390,"line":5391},[5388,24264,6483],{"class":6096},[5388,24266,24267],{"class":6086}," ScopeName",[5388,24269,6399],{"class":5946},[5388,24271,6629],{"class":6384},[5388,24273,7036],{"class":5946},[5388,24275,13228],{"class":6425},[5388,24277,5555],{"class":5946},[5388,24279,7043],{"class":6425},[5388,24281,7542],{"class":5946},[5388,24283,13228],{"class":6425},[5388,24285,5555],{"class":5946},[5388,24287,7043],{"class":6425},[5388,24289,6561],{"class":5946},[5388,24291,24292,24294,24296,24298,24300,24303,24305],{"class":5390,"line":5397},[5388,24293,7198],{"class":6435},[5388,24295,6601],{"class":6384},[5388,24297,5555],{"class":5946},[5388,24299,14187],{"class":6086},[5388,24301,24302],{"class":5946},"(...).",[5388,24304,22919],{"class":6086},[5388,24306,24307],{"class":5946},"(...)\n",[5388,24309,24310],{"class":5390,"line":5403},[5388,24311,5711],{"class":5946},[5266,24313,24314,24315,24317],{},"Вона приймає ",[5204,24316,13332],{},", модифікує запит та повертає модифіковану версію.",[5615,24319,24321],{"id":24320},"базові-приклади","Базові приклади",[5379,24323,24325],{"className":6376,"code":24324,"language":6232,"meta":5384,"style":5384},"\u002F\u002F Scope для активних користувачів\nfunc ActiveUsers(db *gorm.DB) *gorm.DB {\n    return db.Where(\"status = ?\", \"active\")\n}\n\n\u002F\u002F Scope для сортування за датою\nfunc OrderByCreatedAt(db *gorm.DB) *gorm.DB {\n    return db.Order(\"created_at DESC\")\n}\n\n\u002F\u002F Використання:\nvar users []User\ndb.Scopes(ActiveUsers, OrderByCreatedAt).Find(&users)\n\u002F\u002F SELECT * FROM users WHERE status = 'active' ORDER BY created_at DESC\n",[5204,24326,24327,24332,24361,24381,24385,24389,24394,24423,24439,24443,24447,24451,24461,24489],{"__ignoreMap":5384},[5388,24328,24329],{"class":5390,"line":5391},[5388,24330,24331],{"class":5936},"\u002F\u002F Scope для активних користувачів\n",[5388,24333,24334,24336,24339,24341,24343,24345,24347,24349,24351,24353,24355,24357,24359],{"class":5390,"line":5397},[5388,24335,6483],{"class":6096},[5388,24337,24338],{"class":6086}," ActiveUsers",[5388,24340,6399],{"class":5946},[5388,24342,6629],{"class":6384},[5388,24344,7036],{"class":5946},[5388,24346,13228],{"class":6425},[5388,24348,5555],{"class":5946},[5388,24350,7043],{"class":6425},[5388,24352,7542],{"class":5946},[5388,24354,13228],{"class":6425},[5388,24356,5555],{"class":5946},[5388,24358,7043],{"class":6425},[5388,24360,6561],{"class":5946},[5388,24362,24363,24365,24367,24369,24371,24373,24375,24377,24379],{"class":5390,"line":5403},[5388,24364,7198],{"class":6435},[5388,24366,6601],{"class":6384},[5388,24368,5555],{"class":5946},[5388,24370,14187],{"class":6086},[5388,24372,6399],{"class":5946},[5388,24374,22428],{"class":6038},[5388,24376,5603],{"class":5946},[5388,24378,21908],{"class":6038},[5388,24380,6405],{"class":5946},[5388,24382,24383],{"class":5390,"line":5409},[5388,24384,5711],{"class":5946},[5388,24386,24387],{"class":5390,"line":5416},[5388,24388,5413],{"emptyLinePlaceholder":5412},[5388,24390,24391],{"class":5390,"line":5422},[5388,24392,24393],{"class":5936},"\u002F\u002F Scope для сортування за датою\n",[5388,24395,24396,24398,24401,24403,24405,24407,24409,24411,24413,24415,24417,24419,24421],{"class":5390,"line":5428},[5388,24397,6483],{"class":6096},[5388,24399,24400],{"class":6086}," OrderByCreatedAt",[5388,24402,6399],{"class":5946},[5388,24404,6629],{"class":6384},[5388,24406,7036],{"class":5946},[5388,24408,13228],{"class":6425},[5388,24410,5555],{"class":5946},[5388,24412,7043],{"class":6425},[5388,24414,7542],{"class":5946},[5388,24416,13228],{"class":6425},[5388,24418,5555],{"class":5946},[5388,24420,7043],{"class":6425},[5388,24422,6561],{"class":5946},[5388,24424,24425,24427,24429,24431,24433,24435,24437],{"class":5390,"line":5434},[5388,24426,7198],{"class":6435},[5388,24428,6601],{"class":6384},[5388,24430,5555],{"class":5946},[5388,24432,22919],{"class":6086},[5388,24434,6399],{"class":5946},[5388,24436,14392],{"class":6038},[5388,24438,6405],{"class":5946},[5388,24440,24441],{"class":5390,"line":5439},[5388,24442,5711],{"class":5946},[5388,24444,24445],{"class":5390,"line":5445},[5388,24446,5413],{"emptyLinePlaceholder":5412},[5388,24448,24449],{"class":5390,"line":5451},[5388,24450,16007],{"class":5936},[5388,24452,24453,24455,24457,24459],{"class":5390,"line":5456},[5388,24454,10649],{"class":6096},[5388,24456,8502],{"class":6384},[5388,24458,10654],{"class":5946},[5388,24460,8508],{"class":6425},[5388,24462,24463,24465,24467,24469,24471,24474,24476,24479,24481,24483,24485,24487],{"class":5390,"line":5462},[5388,24464,6629],{"class":6384},[5388,24466,5555],{"class":5946},[5388,24468,23315],{"class":6086},[5388,24470,6399],{"class":5946},[5388,24472,24473],{"class":6384},"ActiveUsers",[5388,24475,5603],{"class":5946},[5388,24477,24478],{"class":6384},"OrderByCreatedAt",[5388,24480,5827],{"class":5946},[5388,24482,14239],{"class":6086},[5388,24484,7742],{"class":5946},[5388,24486,8643],{"class":6384},[5388,24488,6405],{"class":5946},[5388,24490,24491],{"class":5390,"line":5468},[5388,24492,24493],{"class":5936},"\u002F\u002F SELECT * FROM users WHERE status = 'active' ORDER BY created_at DESC\n",[5266,24495,24496],{},[5229,24497,18986],{},[5275,24499,24500,24506,24515],{},[5197,24501,24502,24505],{},[5229,24503,24504],{},"Переважне використання:"," один scope можна застосовувати у багатьох місцях.",[5197,24507,24508,24511,24512,5555],{},[5229,24509,24510],{},"Читабельність:"," запит виглядає декларативно: ",[5204,24513,24514],{},"db.Scopes(ActiveUsers, Premium, RecentlyActive)",[5197,24516,24517,24520],{},[5229,24518,24519],{},"Композиція:"," scopes можна комбінувати.",[5615,24522,24524],{"id":24523},"scopes-з-параметрами","Scopes з параметрами",[5266,24526,24527,24528,7017],{},"Для створення scopes з параметрами використовуйте замикання (",[5270,24529,24530],{},"closures",[5379,24532,24534],{"className":6376,"code":24533,"language":6232,"meta":5384,"style":5384},"\u002F\u002F Scope для пагінації\nfunc Paginate(page, pageSize int) func(db *gorm.DB) *gorm.DB {\n    return func(db *gorm.DB) *gorm.DB {\n        offset := (page - 1) * pageSize\n        return db.Offset(offset).Limit(pageSize)\n    }\n}\n\n\u002F\u002F Scope для фільтрації за віковим діапазоном\nfunc AgeRange(min, max int) func(db *gorm.DB) *gorm.DB {\n    return func(db *gorm.DB) *gorm.DB {\n        return db.Where(\"age BETWEEN ? AND ?\", min, max)\n    }\n}\n\n\u002F\u002F Scope для пошуку за назвою\nfunc SearchByName(query string) func(db *gorm.DB) *gorm.DB {\n    return func(db *gorm.DB) *gorm.DB {\n        return db.Where(\"name LIKE ?\", \"%\"+query+\"%\")\n    }\n}\n\n\u002F\u002F Використання:\ndb.Scopes(\n    ActiveUsers,\n    AgeRange(18, 65),\n    SearchByName(\"Іван\"),\n    Paginate(2, 20),\n).Find(&users)\n",[5204,24535,24536,24541,24583,24611,24627,24651,24655,24659,24663,24668,24713,24741,24766,24770,24774,24778,24783,24822,24850,24880,24884,24888,24892,24896,24906,24913,24929,24941,24956],{"__ignoreMap":5384},[5388,24537,24538],{"class":5390,"line":5391},[5388,24539,24540],{"class":5936},"\u002F\u002F Scope для пагінації\n",[5388,24542,24543,24545,24547,24549,24551,24553,24555,24557,24559,24561,24563,24565,24567,24569,24571,24573,24575,24577,24579,24581],{"class":5390,"line":5397},[5388,24544,6483],{"class":6096},[5388,24546,23179],{"class":6086},[5388,24548,6399],{"class":5946},[5388,24550,23184],{"class":6384},[5388,24552,5603],{"class":5946},[5388,24554,23189],{"class":6384},[5388,24556,8035],{"class":6425},[5388,24558,7046],{"class":5946},[5388,24560,6483],{"class":6096},[5388,24562,6399],{"class":5946},[5388,24564,6629],{"class":6384},[5388,24566,7036],{"class":5946},[5388,24568,13228],{"class":6425},[5388,24570,5555],{"class":5946},[5388,24572,7043],{"class":6425},[5388,24574,7542],{"class":5946},[5388,24576,13228],{"class":6425},[5388,24578,5555],{"class":5946},[5388,24580,7043],{"class":6425},[5388,24582,6561],{"class":5946},[5388,24584,24585,24587,24589,24591,24593,24595,24597,24599,24601,24603,24605,24607,24609],{"class":5390,"line":5403},[5388,24586,7198],{"class":6435},[5388,24588,11024],{"class":6096},[5388,24590,6399],{"class":5946},[5388,24592,6629],{"class":6384},[5388,24594,7036],{"class":5946},[5388,24596,13228],{"class":6425},[5388,24598,5555],{"class":5946},[5388,24600,7043],{"class":6425},[5388,24602,7542],{"class":5946},[5388,24604,13228],{"class":6425},[5388,24606,5555],{"class":5946},[5388,24608,7043],{"class":6425},[5388,24610,6561],{"class":5946},[5388,24612,24613,24615,24617,24619,24621,24623,24625],{"class":5390,"line":5409},[5388,24614,23250],{"class":6384},[5388,24616,23253],{"class":5946},[5388,24618,23184],{"class":6384},[5388,24620,23258],{"class":5946},[5388,24622,7377],{"class":6853},[5388,24624,23263],{"class":5946},[5388,24626,23266],{"class":6384},[5388,24628,24629,24631,24633,24635,24637,24639,24641,24643,24645,24647,24649],{"class":5390,"line":5416},[5388,24630,7146],{"class":6435},[5388,24632,6601],{"class":6384},[5388,24634,5555],{"class":5946},[5388,24636,23143],{"class":6086},[5388,24638,6399],{"class":5946},[5388,24640,19483],{"class":6384},[5388,24642,5827],{"class":5946},[5388,24644,23098],{"class":6086},[5388,24646,6399],{"class":5946},[5388,24648,23189],{"class":6384},[5388,24650,6405],{"class":5946},[5388,24652,24653],{"class":5390,"line":5422},[5388,24654,6593],{"class":5946},[5388,24656,24657],{"class":5390,"line":5428},[5388,24658,5711],{"class":5946},[5388,24660,24661],{"class":5390,"line":5434},[5388,24662,5413],{"emptyLinePlaceholder":5412},[5388,24664,24665],{"class":5390,"line":5439},[5388,24666,24667],{"class":5936},"\u002F\u002F Scope для фільтрації за віковим діапазоном\n",[5388,24669,24670,24672,24675,24677,24680,24682,24685,24687,24689,24691,24693,24695,24697,24699,24701,24703,24705,24707,24709,24711],{"class":5390,"line":5445},[5388,24671,6483],{"class":6096},[5388,24673,24674],{"class":6086}," AgeRange",[5388,24676,6399],{"class":5946},[5388,24678,24679],{"class":6384},"min",[5388,24681,5603],{"class":5946},[5388,24683,24684],{"class":6384},"max",[5388,24686,8035],{"class":6425},[5388,24688,7046],{"class":5946},[5388,24690,6483],{"class":6096},[5388,24692,6399],{"class":5946},[5388,24694,6629],{"class":6384},[5388,24696,7036],{"class":5946},[5388,24698,13228],{"class":6425},[5388,24700,5555],{"class":5946},[5388,24702,7043],{"class":6425},[5388,24704,7542],{"class":5946},[5388,24706,13228],{"class":6425},[5388,24708,5555],{"class":5946},[5388,24710,7043],{"class":6425},[5388,24712,6561],{"class":5946},[5388,24714,24715,24717,24719,24721,24723,24725,24727,24729,24731,24733,24735,24737,24739],{"class":5390,"line":5451},[5388,24716,7198],{"class":6435},[5388,24718,11024],{"class":6096},[5388,24720,6399],{"class":5946},[5388,24722,6629],{"class":6384},[5388,24724,7036],{"class":5946},[5388,24726,13228],{"class":6425},[5388,24728,5555],{"class":5946},[5388,24730,7043],{"class":6425},[5388,24732,7542],{"class":5946},[5388,24734,13228],{"class":6425},[5388,24736,5555],{"class":5946},[5388,24738,7043],{"class":6425},[5388,24740,6561],{"class":5946},[5388,24742,24743,24745,24747,24749,24751,24753,24756,24758,24760,24762,24764],{"class":5390,"line":5456},[5388,24744,7146],{"class":6435},[5388,24746,6601],{"class":6384},[5388,24748,5555],{"class":5946},[5388,24750,14187],{"class":6086},[5388,24752,6399],{"class":5946},[5388,24754,24755],{"class":6038},"\"age BETWEEN ? AND ?\"",[5388,24757,5603],{"class":5946},[5388,24759,24679],{"class":6384},[5388,24761,5603],{"class":5946},[5388,24763,24684],{"class":6384},[5388,24765,6405],{"class":5946},[5388,24767,24768],{"class":5390,"line":5462},[5388,24769,6593],{"class":5946},[5388,24771,24772],{"class":5390,"line":5468},[5388,24773,5711],{"class":5946},[5388,24775,24776],{"class":5390,"line":5474},[5388,24777,5413],{"emptyLinePlaceholder":5412},[5388,24779,24780],{"class":5390,"line":5480},[5388,24781,24782],{"class":5936},"\u002F\u002F Scope для пошуку за назвою\n",[5388,24784,24785,24787,24790,24792,24794,24796,24798,24800,24802,24804,24806,24808,24810,24812,24814,24816,24818,24820],{"class":5390,"line":5486},[5388,24786,6483],{"class":6096},[5388,24788,24789],{"class":6086}," SearchByName",[5388,24791,6399],{"class":5946},[5388,24793,7127],{"class":6384},[5388,24795,9935],{"class":6425},[5388,24797,7046],{"class":5946},[5388,24799,6483],{"class":6096},[5388,24801,6399],{"class":5946},[5388,24803,6629],{"class":6384},[5388,24805,7036],{"class":5946},[5388,24807,13228],{"class":6425},[5388,24809,5555],{"class":5946},[5388,24811,7043],{"class":6425},[5388,24813,7542],{"class":5946},[5388,24815,13228],{"class":6425},[5388,24817,5555],{"class":5946},[5388,24819,7043],{"class":6425},[5388,24821,6561],{"class":5946},[5388,24823,24824,24826,24828,24830,24832,24834,24836,24838,24840,24842,24844,24846,24848],{"class":5390,"line":5491},[5388,24825,7198],{"class":6435},[5388,24827,11024],{"class":6096},[5388,24829,6399],{"class":5946},[5388,24831,6629],{"class":6384},[5388,24833,7036],{"class":5946},[5388,24835,13228],{"class":6425},[5388,24837,5555],{"class":5946},[5388,24839,7043],{"class":6425},[5388,24841,7542],{"class":5946},[5388,24843,13228],{"class":6425},[5388,24845,5555],{"class":5946},[5388,24847,7043],{"class":6425},[5388,24849,6561],{"class":5946},[5388,24851,24852,24854,24856,24858,24860,24862,24864,24866,24869,24872,24874,24876,24878],{"class":5390,"line":5497},[5388,24853,7146],{"class":6435},[5388,24855,6601],{"class":6384},[5388,24857,5555],{"class":5946},[5388,24859,14187],{"class":6086},[5388,24861,6399],{"class":5946},[5388,24863,21951],{"class":6038},[5388,24865,5603],{"class":5946},[5388,24867,24868],{"class":6038},"\"%\"",[5388,24870,24871],{"class":5946},"+",[5388,24873,7127],{"class":6384},[5388,24875,24871],{"class":5946},[5388,24877,24868],{"class":6038},[5388,24879,6405],{"class":5946},[5388,24881,24882],{"class":5390,"line":5502},[5388,24883,6593],{"class":5946},[5388,24885,24886],{"class":5390,"line":5508},[5388,24887,5711],{"class":5946},[5388,24889,24890],{"class":5390,"line":5513},[5388,24891,5413],{"emptyLinePlaceholder":5412},[5388,24893,24894],{"class":5390,"line":5518},[5388,24895,16007],{"class":5936},[5388,24897,24898,24900,24902,24904],{"class":5390,"line":5524},[5388,24899,6629],{"class":6384},[5388,24901,5555],{"class":5946},[5388,24903,23315],{"class":6086},[5388,24905,8126],{"class":5946},[5388,24907,24908,24911],{"class":5390,"line":5530},[5388,24909,24910],{"class":6384},"    ActiveUsers",[5388,24912,7693],{"class":5946},[5388,24914,24915,24918,24920,24922,24924,24927],{"class":5390,"line":5535},[5388,24916,24917],{"class":6425},"    AgeRange",[5388,24919,6399],{"class":5946},[5388,24921,10628],{"class":6853},[5388,24923,5603],{"class":5946},[5388,24925,24926],{"class":6853},"65",[5388,24928,20387],{"class":5946},[5388,24930,24931,24934,24936,24939],{"class":5390,"line":5803},[5388,24932,24933],{"class":6425},"    SearchByName",[5388,24935,6399],{"class":5946},[5388,24937,24938],{"class":6038},"\"Іван\"",[5388,24940,20387],{"class":5946},[5388,24942,24943,24946,24948,24950,24952,24954],{"class":5390,"line":5808},[5388,24944,24945],{"class":6425},"    Paginate",[5388,24947,6399],{"class":5946},[5388,24949,6940],{"class":6853},[5388,24951,5603],{"class":5946},[5388,24953,23148],{"class":6853},[5388,24955,20387],{"class":5946},[5388,24957,24958,24960,24962,24964,24966],{"class":5390,"line":7649},[5388,24959,5827],{"class":5946},[5388,24961,14239],{"class":6086},[5388,24963,7742],{"class":5946},[5388,24965,8643],{"class":6425},[5388,24967,6405],{"class":5946},[5615,24969,24971],{"id":24970},"умовні-scopes","Умовні Scopes",[5379,24973,24975],{"className":6376,"code":24974,"language":6232,"meta":5384,"style":5384},"\u002F\u002F Scope застосовується лише якщо умова виконується\nfunc FilterByCity(city string) func(db *gorm.DB) *gorm.DB {\n    return func(db *gorm.DB) *gorm.DB {\n        if city != \"\" {\n            return db.Where(\"city = ?\", city)\n        }\n        return db \u002F\u002F Не модифікуємо запит\n    }\n}\n\n\u002F\u002F Використання з необов'язковими фільтрами:\ncity := r.URL.Query().Get(\"city\")      \u002F\u002F Може бути порожнім\nstatus := r.URL.Query().Get(\"status\")\n\ndb.Scopes(\n    FilterByCity(city),           \u002F\u002F Застосується лише якщо city != \"\"\n    FilterByStatus(status),\n).Find(&users)\n",[5204,24976,24977,24982,25022,25050,25063,25083,25087,25096,25100,25104,25108,25113,25144,25172,25176,25186,25201,25212],{"__ignoreMap":5384},[5388,24978,24979],{"class":5390,"line":5391},[5388,24980,24981],{"class":5936},"\u002F\u002F Scope застосовується лише якщо умова виконується\n",[5388,24983,24984,24986,24989,24991,24994,24996,24998,25000,25002,25004,25006,25008,25010,25012,25014,25016,25018,25020],{"class":5390,"line":5397},[5388,24985,6483],{"class":6096},[5388,24987,24988],{"class":6086}," FilterByCity",[5388,24990,6399],{"class":5946},[5388,24992,24993],{"class":6384},"city",[5388,24995,9935],{"class":6425},[5388,24997,7046],{"class":5946},[5388,24999,6483],{"class":6096},[5388,25001,6399],{"class":5946},[5388,25003,6629],{"class":6384},[5388,25005,7036],{"class":5946},[5388,25007,13228],{"class":6425},[5388,25009,5555],{"class":5946},[5388,25011,7043],{"class":6425},[5388,25013,7542],{"class":5946},[5388,25015,13228],{"class":6425},[5388,25017,5555],{"class":5946},[5388,25019,7043],{"class":6425},[5388,25021,6561],{"class":5946},[5388,25023,25024,25026,25028,25030,25032,25034,25036,25038,25040,25042,25044,25046,25048],{"class":5390,"line":5403},[5388,25025,7198],{"class":6435},[5388,25027,11024],{"class":6096},[5388,25029,6399],{"class":5946},[5388,25031,6629],{"class":6384},[5388,25033,7036],{"class":5946},[5388,25035,13228],{"class":6425},[5388,25037,5555],{"class":5946},[5388,25039,7043],{"class":6425},[5388,25041,7542],{"class":5946},[5388,25043,13228],{"class":6425},[5388,25045,5555],{"class":5946},[5388,25047,7043],{"class":6425},[5388,25049,6561],{"class":5946},[5388,25051,25052,25054,25057,25059,25061],{"class":5390,"line":5409},[5388,25053,8537],{"class":6435},[5388,25055,25056],{"class":6384}," city",[5388,25058,6555],{"class":5946},[5388,25060,15680],{"class":6038},[5388,25062,6561],{"class":5946},[5388,25064,25065,25067,25069,25071,25073,25075,25077,25079,25081],{"class":5390,"line":5416},[5388,25066,8597],{"class":6435},[5388,25068,6601],{"class":6384},[5388,25070,5555],{"class":5946},[5388,25072,14187],{"class":6086},[5388,25074,6399],{"class":5946},[5388,25076,22412],{"class":6038},[5388,25078,5603],{"class":5946},[5388,25080,24993],{"class":6384},[5388,25082,6405],{"class":5946},[5388,25084,25085],{"class":5390,"line":5422},[5388,25086,8627],{"class":5946},[5388,25088,25089,25091,25093],{"class":5390,"line":5428},[5388,25090,7146],{"class":6435},[5388,25092,6601],{"class":6384},[5388,25094,25095],{"class":5936}," \u002F\u002F Не модифікуємо запит\n",[5388,25097,25098],{"class":5390,"line":5434},[5388,25099,6593],{"class":5946},[5388,25101,25102],{"class":5390,"line":5439},[5388,25103,5711],{"class":5946},[5388,25105,25106],{"class":5390,"line":5445},[5388,25107,5413],{"emptyLinePlaceholder":5412},[5388,25109,25110],{"class":5390,"line":5451},[5388,25111,25112],{"class":5936},"\u002F\u002F Використання з необов'язковими фільтрами:\n",[5388,25114,25115,25117,25119,25121,25123,25126,25128,25130,25132,25134,25136,25138,25141],{"class":5390,"line":5456},[5388,25116,24993],{"class":6384},[5388,25118,6388],{"class":5946},[5388,25120,7673],{"class":6384},[5388,25122,5555],{"class":5946},[5388,25124,25125],{"class":6384},"URL",[5388,25127,5555],{"class":5946},[5388,25129,8828],{"class":6086},[5388,25131,14363],{"class":5946},[5388,25133,10340],{"class":6086},[5388,25135,6399],{"class":5946},[5388,25137,23371],{"class":6038},[5388,25139,25140],{"class":5946},")      ",[5388,25142,25143],{"class":5936},"\u002F\u002F Може бути порожнім\n",[5388,25145,25146,25149,25151,25153,25155,25157,25159,25161,25163,25165,25167,25170],{"class":5390,"line":5462},[5388,25147,25148],{"class":6384},"status",[5388,25150,6388],{"class":5946},[5388,25152,7673],{"class":6384},[5388,25154,5555],{"class":5946},[5388,25156,25125],{"class":6384},[5388,25158,5555],{"class":5946},[5388,25160,8828],{"class":6086},[5388,25162,14363],{"class":5946},[5388,25164,10340],{"class":6086},[5388,25166,6399],{"class":5946},[5388,25168,25169],{"class":6038},"\"status\"",[5388,25171,6405],{"class":5946},[5388,25173,25174],{"class":5390,"line":5468},[5388,25175,5413],{"emptyLinePlaceholder":5412},[5388,25177,25178,25180,25182,25184],{"class":5390,"line":5474},[5388,25179,6629],{"class":6384},[5388,25181,5555],{"class":5946},[5388,25183,23315],{"class":6086},[5388,25185,8126],{"class":5946},[5388,25187,25188,25191,25193,25195,25198],{"class":5390,"line":5480},[5388,25189,25190],{"class":6425},"    FilterByCity",[5388,25192,6399],{"class":5946},[5388,25194,24993],{"class":6425},[5388,25196,25197],{"class":5946},"),           ",[5388,25199,25200],{"class":5936},"\u002F\u002F Застосується лише якщо city != \"\"\n",[5388,25202,25203,25206,25208,25210],{"class":5390,"line":5486},[5388,25204,25205],{"class":6425},"    FilterByStatus",[5388,25207,6399],{"class":5946},[5388,25209,25148],{"class":6425},[5388,25211,20387],{"class":5946},[5388,25213,25214,25216,25218,25220,25222],{"class":5390,"line":5491},[5388,25215,5827],{"class":5946},[5388,25217,14239],{"class":6086},[5388,25219,7742],{"class":5946},[5388,25221,8643],{"class":6425},[5388,25223,6405],{"class":5946},[5615,25225,25227],{"id":25226},"scopes-для-складних-бізнес-правил","Scopes для складних бізнес-правил",[5379,25229,25231],{"className":6376,"code":25230,"language":6232,"meta":5384,"style":5384},"\u002F\u002F Користувачі з премія-підпискою\nfunc PremiumUsers(db *gorm.DB) *gorm.DB {\n    return db.Where(\"subscription_plan IN ?\", []string{\"premium\", \"pro\"}).\n        Where(\"subscription_expires_at > ?\", time.Now())\n}\n\n\u002F\u002F Користувачі, що нещодавно заходили (останні 7 днів)\nfunc RecentlyActive(db *gorm.DB) *gorm.DB {\n    return db.Where(\"last_login_at > ?\", time.Now().AddDate(0, 0, -7))\n}\n\n\u002F\u002F Користувачі з повним профілем\nfunc CompleteProfile(db *gorm.DB) *gorm.DB {\n    return db.Where(\"avatar_url IS NOT NULL\").\n        Where(\"bio IS NOT NULL\").\n        Where(\"city IS NOT NULL\")\n}\n\n\u002F\u002F Комбінований запит:\nvar premiumActiveUsers []User\ndb.Scopes(PremiumUsers, RecentlyActive, CompleteProfile).Find(&premiumActiveUsers)\n",[5204,25232,25233,25238,25267,25299,25320,25324,25328,25333,25362,25405,25409,25413,25418,25447,25464,25475,25486,25490,25494,25499,25510],{"__ignoreMap":5384},[5388,25234,25235],{"class":5390,"line":5391},[5388,25236,25237],{"class":5936},"\u002F\u002F Користувачі з премія-підпискою\n",[5388,25239,25240,25242,25245,25247,25249,25251,25253,25255,25257,25259,25261,25263,25265],{"class":5390,"line":5397},[5388,25241,6483],{"class":6096},[5388,25243,25244],{"class":6086}," PremiumUsers",[5388,25246,6399],{"class":5946},[5388,25248,6629],{"class":6384},[5388,25250,7036],{"class":5946},[5388,25252,13228],{"class":6425},[5388,25254,5555],{"class":5946},[5388,25256,7043],{"class":6425},[5388,25258,7542],{"class":5946},[5388,25260,13228],{"class":6425},[5388,25262,5555],{"class":5946},[5388,25264,7043],{"class":6425},[5388,25266,6561],{"class":5946},[5388,25268,25269,25271,25273,25275,25277,25279,25282,25284,25286,25288,25291,25293,25296],{"class":5390,"line":5403},[5388,25270,7198],{"class":6435},[5388,25272,6601],{"class":6384},[5388,25274,5555],{"class":5946},[5388,25276,14187],{"class":6086},[5388,25278,6399],{"class":5946},[5388,25280,25281],{"class":6038},"\"subscription_plan IN ?\"",[5388,25283,21901],{"class":5946},[5388,25285,13511],{"class":6425},[5388,25287,7559],{"class":5946},[5388,25289,25290],{"class":6038},"\"premium\"",[5388,25292,5603],{"class":5946},[5388,25294,25295],{"class":6038},"\"pro\"",[5388,25297,25298],{"class":5946},"}).\n",[5388,25300,25301,25304,25306,25309,25311,25313,25315,25317],{"class":5390,"line":5409},[5388,25302,25303],{"class":6086},"        Where",[5388,25305,6399],{"class":5946},[5388,25307,25308],{"class":6038},"\"subscription_expires_at > ?\"",[5388,25310,5603],{"class":5946},[5388,25312,6910],{"class":6384},[5388,25314,5555],{"class":5946},[5388,25316,14360],{"class":6086},[5388,25318,25319],{"class":5946},"())\n",[5388,25321,25322],{"class":5390,"line":5416},[5388,25323,5711],{"class":5946},[5388,25325,25326],{"class":5390,"line":5422},[5388,25327,5413],{"emptyLinePlaceholder":5412},[5388,25329,25330],{"class":5390,"line":5428},[5388,25331,25332],{"class":5936},"\u002F\u002F Користувачі, що нещодавно заходили (останні 7 днів)\n",[5388,25334,25335,25337,25340,25342,25344,25346,25348,25350,25352,25354,25356,25358,25360],{"class":5390,"line":5434},[5388,25336,6483],{"class":6096},[5388,25338,25339],{"class":6086}," RecentlyActive",[5388,25341,6399],{"class":5946},[5388,25343,6629],{"class":6384},[5388,25345,7036],{"class":5946},[5388,25347,13228],{"class":6425},[5388,25349,5555],{"class":5946},[5388,25351,7043],{"class":6425},[5388,25353,7542],{"class":5946},[5388,25355,13228],{"class":6425},[5388,25357,5555],{"class":5946},[5388,25359,7043],{"class":6425},[5388,25361,6561],{"class":5946},[5388,25363,25364,25366,25368,25370,25372,25374,25377,25379,25381,25383,25385,25387,25389,25391,25393,25395,25397,25399,25402],{"class":5390,"line":5439},[5388,25365,7198],{"class":6435},[5388,25367,6601],{"class":6384},[5388,25369,5555],{"class":5946},[5388,25371,14187],{"class":6086},[5388,25373,6399],{"class":5946},[5388,25375,25376],{"class":6038},"\"last_login_at > ?\"",[5388,25378,5603],{"class":5946},[5388,25380,6910],{"class":6384},[5388,25382,5555],{"class":5946},[5388,25384,14360],{"class":6086},[5388,25386,14363],{"class":5946},[5388,25388,14366],{"class":6086},[5388,25390,6399],{"class":5946},[5388,25392,9187],{"class":6853},[5388,25394,5603],{"class":5946},[5388,25396,9187],{"class":6853},[5388,25398,14373],{"class":5946},[5388,25400,25401],{"class":6853},"7",[5388,25403,25404],{"class":5946},"))\n",[5388,25406,25407],{"class":5390,"line":5445},[5388,25408,5711],{"class":5946},[5388,25410,25411],{"class":5390,"line":5451},[5388,25412,5413],{"emptyLinePlaceholder":5412},[5388,25414,25415],{"class":5390,"line":5456},[5388,25416,25417],{"class":5936},"\u002F\u002F Користувачі з повним профілем\n",[5388,25419,25420,25422,25425,25427,25429,25431,25433,25435,25437,25439,25441,25443,25445],{"class":5390,"line":5462},[5388,25421,6483],{"class":6096},[5388,25423,25424],{"class":6086}," CompleteProfile",[5388,25426,6399],{"class":5946},[5388,25428,6629],{"class":6384},[5388,25430,7036],{"class":5946},[5388,25432,13228],{"class":6425},[5388,25434,5555],{"class":5946},[5388,25436,7043],{"class":6425},[5388,25438,7542],{"class":5946},[5388,25440,13228],{"class":6425},[5388,25442,5555],{"class":5946},[5388,25444,7043],{"class":6425},[5388,25446,6561],{"class":5946},[5388,25448,25449,25451,25453,25455,25457,25459,25462],{"class":5390,"line":5468},[5388,25450,7198],{"class":6435},[5388,25452,6601],{"class":6384},[5388,25454,5555],{"class":5946},[5388,25456,14187],{"class":6086},[5388,25458,6399],{"class":5946},[5388,25460,25461],{"class":6038},"\"avatar_url IS NOT NULL\"",[5388,25463,14395],{"class":5946},[5388,25465,25466,25468,25470,25473],{"class":5390,"line":5474},[5388,25467,25303],{"class":6086},[5388,25469,6399],{"class":5946},[5388,25471,25472],{"class":6038},"\"bio IS NOT NULL\"",[5388,25474,14395],{"class":5946},[5388,25476,25477,25479,25481,25484],{"class":5390,"line":5480},[5388,25478,25303],{"class":6086},[5388,25480,6399],{"class":5946},[5388,25482,25483],{"class":6038},"\"city IS NOT NULL\"",[5388,25485,6405],{"class":5946},[5388,25487,25488],{"class":5390,"line":5486},[5388,25489,5711],{"class":5946},[5388,25491,25492],{"class":5390,"line":5491},[5388,25493,5413],{"emptyLinePlaceholder":5412},[5388,25495,25496],{"class":5390,"line":5497},[5388,25497,25498],{"class":5936},"\u002F\u002F Комбінований запит:\n",[5388,25500,25501,25503,25506,25508],{"class":5390,"line":5502},[5388,25502,10649],{"class":6096},[5388,25504,25505],{"class":6384}," premiumActiveUsers",[5388,25507,10654],{"class":5946},[5388,25509,8508],{"class":6425},[5388,25511,25512,25514,25516,25518,25520,25523,25525,25528,25530,25533,25535,25537,25539,25542],{"class":5390,"line":5508},[5388,25513,6629],{"class":6384},[5388,25515,5555],{"class":5946},[5388,25517,23315],{"class":6086},[5388,25519,6399],{"class":5946},[5388,25521,25522],{"class":6384},"PremiumUsers",[5388,25524,5603],{"class":5946},[5388,25526,25527],{"class":6384},"RecentlyActive",[5388,25529,5603],{"class":5946},[5388,25531,25532],{"class":6384},"CompleteProfile",[5388,25534,5827],{"class":5946},[5388,25536,14239],{"class":6086},[5388,25538,7742],{"class":5946},[5388,25540,25541],{"class":6384},"premiumActiveUsers",[5388,25543,6405],{"class":5946},[5615,25545,25547],{"id":25546},"методи-моделей-через-scopes","Методи моделей через Scopes",[5266,25549,25550],{},"Можна прикріпити scopes до моделей:",[5379,25552,25554],{"className":6376,"code":25553,"language":6232,"meta":5384,"style":5384},"type User struct {\n    ID     uint\n    Name   string\n    Status string\n    Role   string\n}\n\n\u002F\u002F Scope як метод моделі\nfunc (u *User) Active(db *gorm.DB) *gorm.DB {\n    return db.Where(\"status = ?\", \"active\")\n}\n\nfunc (u *User) Admins(db *gorm.DB) *gorm.DB {\n    return db.Where(\"role = ?\", \"admin\")\n}\n\n\u002F\u002F Використання:\nvar user User\ndb.Scopes(user.Active, user.Admins).Find(&users)\n",[5204,25555,25556,25566,25572,25578,25584,25590,25594,25598,25603,25642,25662,25666,25670,25709,25729,25733,25737,25741,25749],{"__ignoreMap":5384},[5388,25557,25558,25560,25562,25564],{"class":5390,"line":5391},[5388,25559,7440],{"class":6096},[5388,25561,7443],{"class":6425},[5388,25563,7446],{"class":6096},[5388,25565,6561],{"class":5946},[5388,25567,25568,25570],{"class":5390,"line":5397},[5388,25569,7453],{"class":6384},[5388,25571,14953],{"class":6425},[5388,25573,25574,25576],{"class":5390,"line":5403},[5388,25575,15123],{"class":6384},[5388,25577,14746],{"class":6425},[5388,25579,25580,25582],{"class":5390,"line":5409},[5388,25581,16863],{"class":6384},[5388,25583,7472],{"class":6425},[5388,25585,25586,25588],{"class":5390,"line":5416},[5388,25587,16876],{"class":6384},[5388,25589,14746],{"class":6425},[5388,25591,25592],{"class":5390,"line":5422},[5388,25593,5711],{"class":5946},[5388,25595,25596],{"class":5390,"line":5428},[5388,25597,5413],{"emptyLinePlaceholder":5412},[5388,25599,25600],{"class":5390,"line":5434},[5388,25601,25602],{"class":5936},"\u002F\u002F Scope як метод моделі\n",[5388,25604,25605,25607,25609,25611,25613,25615,25617,25620,25622,25624,25626,25628,25630,25632,25634,25636,25638,25640],{"class":5390,"line":5439},[5388,25606,6483],{"class":6096},[5388,25608,5306],{"class":5946},[5388,25610,15637],{"class":6384},[5388,25612,7587],{"class":5946},[5388,25614,7617],{"class":6425},[5388,25616,7046],{"class":5946},[5388,25618,25619],{"class":6086},"Active",[5388,25621,6399],{"class":5946},[5388,25623,6629],{"class":6384},[5388,25625,7036],{"class":5946},[5388,25627,13228],{"class":6425},[5388,25629,5555],{"class":5946},[5388,25631,7043],{"class":6425},[5388,25633,7542],{"class":5946},[5388,25635,13228],{"class":6425},[5388,25637,5555],{"class":5946},[5388,25639,7043],{"class":6425},[5388,25641,6561],{"class":5946},[5388,25643,25644,25646,25648,25650,25652,25654,25656,25658,25660],{"class":5390,"line":5445},[5388,25645,7198],{"class":6435},[5388,25647,6601],{"class":6384},[5388,25649,5555],{"class":5946},[5388,25651,14187],{"class":6086},[5388,25653,6399],{"class":5946},[5388,25655,22428],{"class":6038},[5388,25657,5603],{"class":5946},[5388,25659,21908],{"class":6038},[5388,25661,6405],{"class":5946},[5388,25663,25664],{"class":5390,"line":5451},[5388,25665,5711],{"class":5946},[5388,25667,25668],{"class":5390,"line":5456},[5388,25669,5413],{"emptyLinePlaceholder":5412},[5388,25671,25672,25674,25676,25678,25680,25682,25684,25687,25689,25691,25693,25695,25697,25699,25701,25703,25705,25707],{"class":5390,"line":5462},[5388,25673,6483],{"class":6096},[5388,25675,5306],{"class":5946},[5388,25677,15637],{"class":6384},[5388,25679,7587],{"class":5946},[5388,25681,7617],{"class":6425},[5388,25683,7046],{"class":5946},[5388,25685,25686],{"class":6086},"Admins",[5388,25688,6399],{"class":5946},[5388,25690,6629],{"class":6384},[5388,25692,7036],{"class":5946},[5388,25694,13228],{"class":6425},[5388,25696,5555],{"class":5946},[5388,25698,7043],{"class":6425},[5388,25700,7542],{"class":5946},[5388,25702,13228],{"class":6425},[5388,25704,5555],{"class":5946},[5388,25706,7043],{"class":6425},[5388,25708,6561],{"class":5946},[5388,25710,25711,25713,25715,25717,25719,25721,25723,25725,25727],{"class":5390,"line":5468},[5388,25712,7198],{"class":6435},[5388,25714,6601],{"class":6384},[5388,25716,5555],{"class":5946},[5388,25718,14187],{"class":6086},[5388,25720,6399],{"class":5946},[5388,25722,22340],{"class":6038},[5388,25724,5603],{"class":5946},[5388,25726,22345],{"class":6038},[5388,25728,6405],{"class":5946},[5388,25730,25731],{"class":5390,"line":5474},[5388,25732,5711],{"class":5946},[5388,25734,25735],{"class":5390,"line":5480},[5388,25736,5413],{"emptyLinePlaceholder":5412},[5388,25738,25739],{"class":5390,"line":5486},[5388,25740,16007],{"class":5936},[5388,25742,25743,25745,25747],{"class":5390,"line":5491},[5388,25744,10649],{"class":6096},[5388,25746,8295],{"class":6384},[5388,25748,14828],{"class":6425},[5388,25750,25751,25753,25755,25757,25759,25761,25763,25765,25767,25769,25771,25773,25775,25777,25779,25781],{"class":5390,"line":5497},[5388,25752,6629],{"class":6384},[5388,25754,5555],{"class":5946},[5388,25756,23315],{"class":6086},[5388,25758,6399],{"class":5946},[5388,25760,7612],{"class":6384},[5388,25762,5555],{"class":5946},[5388,25764,25619],{"class":6384},[5388,25766,5603],{"class":5946},[5388,25768,7612],{"class":6384},[5388,25770,5555],{"class":5946},[5388,25772,25686],{"class":6384},[5388,25774,5827],{"class":5946},[5388,25776,14239],{"class":6086},[5388,25778,7742],{"class":5946},[5388,25780,8643],{"class":6384},[5388,25782,6405],{"class":5946},[5841,25784,25785,25790,25829],{},[5266,25786,25787],{},[5229,25788,25789],{},"Best Practices для Scopes:",[5275,25791,25792,25806,25812,25818,25823],{},[5197,25793,25794,25797,25798,5603,25800,5603,25803,5555],{},[5229,25795,25796],{},"Іменування:"," використовуйте описові назви у Present Tense: ",[5204,25799,24473],{},[5204,25801,25802],{},"PublishedArticles",[5204,25804,25805],{},"RecentOrders",[5197,25807,25808,25811],{},[5229,25809,25810],{},"Однозначність:"," один scope — одна відповідальність. Не змішуйте фільтрацію та сортування в одному scope.",[5197,25813,25814,25817],{},[5229,25815,25816],{},"Параметризація:"," якщо scope потребує параметрів, використовуйте замикання.",[5197,25819,25820,25822],{},[5229,25821,24519],{}," scopes мають бути незалежними та комбінуватися у будь-якому порядку.",[5197,25824,25825,25828],{},[5229,25826,25827],{},"Тестування:"," scopes легко тестувати ізольовано.",[5379,25830,25832],{"className":6376,"code":25831,"language":6232,"meta":5384,"style":5384},"func TestActiveUsersScope(t *testing.T) {\n    db := setupTestDB(t)\n    \n    var users []User\n    result := db.Scopes(ActiveUsers).Find(&users)\n    \n    assert.NoError(t, result.Error)\n    for _, user := range users {\n        assert.Equal(t, \"active\", user.Status)\n    }\n}\n",[5204,25833,25834,25858,25873,25877,25887,25913,25917,25941,25959,25988,25992],{"__ignoreMap":5384},[5388,25835,25836,25838,25841,25843,25846,25848,25851,25853,25856],{"class":5390,"line":5391},[5388,25837,6483],{"class":6096},[5388,25839,25840],{"class":6086}," TestActiveUsersScope",[5388,25842,6399],{"class":5946},[5388,25844,25845],{"class":6384},"t",[5388,25847,7036],{"class":5946},[5388,25849,25850],{"class":6425},"testing",[5388,25852,5555],{"class":5946},[5388,25854,25855],{"class":6425},"T",[5388,25857,8047],{"class":5946},[5388,25859,25860,25862,25864,25867,25869,25871],{"class":5390,"line":5397},[5388,25861,6518],{"class":6384},[5388,25863,6388],{"class":5946},[5388,25865,25866],{"class":6086},"setupTestDB",[5388,25868,6399],{"class":5946},[5388,25870,25845],{"class":6384},[5388,25872,6405],{"class":5946},[5388,25874,25875],{"class":5390,"line":5403},[5388,25876,6459],{"class":5946},[5388,25878,25879,25881,25883,25885],{"class":5390,"line":5409},[5388,25880,8499],{"class":6096},[5388,25882,8502],{"class":6384},[5388,25884,10654],{"class":5946},[5388,25886,8508],{"class":6425},[5388,25888,25889,25891,25893,25895,25897,25899,25901,25903,25905,25907,25909,25911],{"class":5390,"line":5416},[5388,25890,9006],{"class":6384},[5388,25892,6388],{"class":5946},[5388,25894,6629],{"class":6384},[5388,25896,5555],{"class":5946},[5388,25898,23315],{"class":6086},[5388,25900,6399],{"class":5946},[5388,25902,24473],{"class":6384},[5388,25904,5827],{"class":5946},[5388,25906,14239],{"class":6086},[5388,25908,7742],{"class":5946},[5388,25910,8643],{"class":6384},[5388,25912,6405],{"class":5946},[5388,25914,25915],{"class":5390,"line":5422},[5388,25916,6459],{"class":5946},[5388,25918,25919,25922,25924,25927,25929,25931,25933,25935,25937,25939],{"class":5390,"line":5428},[5388,25920,25921],{"class":6384},"    assert",[5388,25923,5555],{"class":5946},[5388,25925,25926],{"class":6086},"NoError",[5388,25928,6399],{"class":5946},[5388,25930,25845],{"class":6384},[5388,25932,5603],{"class":5946},[5388,25934,7246],{"class":6384},[5388,25936,5555],{"class":5946},[5388,25938,13862],{"class":6384},[5388,25940,6405],{"class":5946},[5388,25942,25943,25945,25947,25949,25951,25953,25955,25957],{"class":5390,"line":5434},[5388,25944,8513],{"class":6435},[5388,25946,14256],{"class":6384},[5388,25948,5603],{"class":5946},[5388,25950,7612],{"class":6384},[5388,25952,6388],{"class":5946},[5388,25954,14266],{"class":6435},[5388,25956,8502],{"class":6384},[5388,25958,6561],{"class":5946},[5388,25960,25961,25964,25966,25969,25971,25973,25975,25977,25979,25981,25983,25986],{"class":5390,"line":5439},[5388,25962,25963],{"class":6384},"        assert",[5388,25965,5555],{"class":5946},[5388,25967,25968],{"class":6086},"Equal",[5388,25970,6399],{"class":5946},[5388,25972,25845],{"class":6384},[5388,25974,5603],{"class":5946},[5388,25976,21908],{"class":6038},[5388,25978,5603],{"class":5946},[5388,25980,7612],{"class":6384},[5388,25982,5555],{"class":5946},[5388,25984,25985],{"class":6384},"Status",[5388,25987,6405],{"class":5946},[5388,25989,25990],{"class":5390,"line":5445},[5388,25991,6593],{"class":5946},[5388,25993,25994],{"class":5390,"line":5451},[5388,25995,5711],{"class":5946},[5615,25997,25999],{"id":25998},"реальний-приклад-api-фільтрації","Реальний приклад: API фільтрації",[5379,26001,26003],{"className":6376,"code":26002,"language":6232,"meta":5384,"style":5384},"\u002F\u002F HTTP Handler для \u002Fapi\u002Fusers?status=active&role=admin&page=2&page_size=20\nfunc (h *Handler) ListUsers(c *gin.Context) {\n    var users []User\n    \n    \u002F\u002F Параметри з query string\n    status := c.Query(\"status\")\n    role := c.Query(\"role\")\n    page, _ := strconv.Atoi(c.DefaultQuery(\"page\", \"1\"))\n    pageSize, _ := strconv.Atoi(c.DefaultQuery(\"page_size\", \"20\"))\n    \n    \u002F\u002F Побудова запиту через scopes\n    query := h.db.Model(&User{})\n    \n    if status != \"\" {\n        query = query.Scopes(FilterByStatus(status))\n    }\n    \n    if role != \"\" {\n        query = query.Scopes(FilterByRole(role))\n    }\n    \n    query = query.Scopes(Paginate(page, pageSize))\n    \n    if err := query.Find(&users).Error; err != nil {\n        c.JSON(500, gin.H{\"error\": err.Error()})\n        return\n    }\n    \n    c.JSON(200, users)\n}\n\n\u002F\u002F Scopes\nfunc FilterByStatus(status string) func(db *gorm.DB) *gorm.DB {\n    return func(db *gorm.DB) *gorm.DB {\n        return db.Where(\"status = ?\", status)\n    }\n}\n\nfunc FilterByRole(role string) func(db *gorm.DB) *gorm.DB {\n    return func(db *gorm.DB) *gorm.DB {\n        return db.Where(\"role = ?\", role)\n    }\n}\n",[5204,26004,26005,26010,26045,26055,26059,26064,26083,26103,26143,26180,26184,26189,26212,26216,26229,26253,26257,26261,26274,26298,26302,26306,26332,26336,26368,26408,26413,26417,26421,26441,26445,26449,26454,26493,26521,26541,26545,26549,26553,26592,26620,26640,26644],{"__ignoreMap":5384},[5388,26006,26007],{"class":5390,"line":5391},[5388,26008,26009],{"class":5936},"\u002F\u002F HTTP Handler для \u002Fapi\u002Fusers?status=active&role=admin&page=2&page_size=20\n",[5388,26011,26012,26014,26016,26019,26021,26024,26026,26029,26031,26034,26036,26039,26041,26043],{"class":5390,"line":5397},[5388,26013,6483],{"class":6096},[5388,26015,5306],{"class":5946},[5388,26017,26018],{"class":6384},"h ",[5388,26020,7587],{"class":5946},[5388,26022,26023],{"class":6425},"Handler",[5388,26025,7046],{"class":5946},[5388,26027,26028],{"class":6086},"ListUsers",[5388,26030,6399],{"class":5946},[5388,26032,26033],{"class":6384},"c",[5388,26035,7036],{"class":5946},[5388,26037,26038],{"class":6425},"gin",[5388,26040,5555],{"class":5946},[5388,26042,7607],{"class":6425},[5388,26044,8047],{"class":5946},[5388,26046,26047,26049,26051,26053],{"class":5390,"line":5403},[5388,26048,8499],{"class":6096},[5388,26050,8502],{"class":6384},[5388,26052,10654],{"class":5946},[5388,26054,8508],{"class":6425},[5388,26056,26057],{"class":5390,"line":5409},[5388,26058,6459],{"class":5946},[5388,26060,26061],{"class":5390,"line":5416},[5388,26062,26063],{"class":5936},"    \u002F\u002F Параметри з query string\n",[5388,26065,26066,26069,26071,26073,26075,26077,26079,26081],{"class":5390,"line":5422},[5388,26067,26068],{"class":6384},"    status",[5388,26070,6388],{"class":5946},[5388,26072,26033],{"class":6384},[5388,26074,5555],{"class":5946},[5388,26076,8828],{"class":6086},[5388,26078,6399],{"class":5946},[5388,26080,25169],{"class":6038},[5388,26082,6405],{"class":5946},[5388,26084,26085,26088,26090,26092,26094,26096,26098,26101],{"class":5390,"line":5428},[5388,26086,26087],{"class":6384},"    role",[5388,26089,6388],{"class":5946},[5388,26091,26033],{"class":6384},[5388,26093,5555],{"class":5946},[5388,26095,8828],{"class":6086},[5388,26097,6399],{"class":5946},[5388,26099,26100],{"class":6038},"\"role\"",[5388,26102,6405],{"class":5946},[5388,26104,26105,26108,26110,26112,26114,26117,26119,26122,26124,26126,26128,26131,26133,26136,26138,26141],{"class":5390,"line":5434},[5388,26106,26107],{"class":6384},"    page",[5388,26109,5603],{"class":5946},[5388,26111,6712],{"class":6384},[5388,26113,6388],{"class":5946},[5388,26115,26116],{"class":6384},"strconv",[5388,26118,5555],{"class":5946},[5388,26120,26121],{"class":6086},"Atoi",[5388,26123,6399],{"class":5946},[5388,26125,26033],{"class":6384},[5388,26127,5555],{"class":5946},[5388,26129,26130],{"class":6086},"DefaultQuery",[5388,26132,6399],{"class":5946},[5388,26134,26135],{"class":6038},"\"page\"",[5388,26137,5603],{"class":5946},[5388,26139,26140],{"class":6038},"\"1\"",[5388,26142,25404],{"class":5946},[5388,26144,26145,26148,26150,26152,26154,26156,26158,26160,26162,26164,26166,26168,26170,26173,26175,26178],{"class":5390,"line":5439},[5388,26146,26147],{"class":6384},"    pageSize",[5388,26149,5603],{"class":5946},[5388,26151,6712],{"class":6384},[5388,26153,6388],{"class":5946},[5388,26155,26116],{"class":6384},[5388,26157,5555],{"class":5946},[5388,26159,26121],{"class":6086},[5388,26161,6399],{"class":5946},[5388,26163,26033],{"class":6384},[5388,26165,5555],{"class":5946},[5388,26167,26130],{"class":6086},[5388,26169,6399],{"class":5946},[5388,26171,26172],{"class":6038},"\"page_size\"",[5388,26174,5603],{"class":5946},[5388,26176,26177],{"class":6038},"\"20\"",[5388,26179,25404],{"class":5946},[5388,26181,26182],{"class":5390,"line":5445},[5388,26183,6459],{"class":5946},[5388,26185,26186],{"class":5390,"line":5451},[5388,26187,26188],{"class":5936},"    \u002F\u002F Побудова запиту через scopes\n",[5388,26190,26191,26193,26195,26198,26200,26202,26204,26206,26208,26210],{"class":5390,"line":5456},[5388,26192,7056],{"class":6384},[5388,26194,6388],{"class":5946},[5388,26196,26197],{"class":6384},"h",[5388,26199,5555],{"class":5946},[5388,26201,6629],{"class":6384},[5388,26203,5555],{"class":5946},[5388,26205,14481],{"class":6086},[5388,26207,7742],{"class":5946},[5388,26209,7617],{"class":6425},[5388,26211,12659],{"class":5946},[5388,26213,26214],{"class":5390,"line":5462},[5388,26215,6459],{"class":5946},[5388,26217,26218,26220,26223,26225,26227],{"class":5390,"line":5468},[5388,26219,6549],{"class":6435},[5388,26221,26222],{"class":6384}," status",[5388,26224,6555],{"class":5946},[5388,26226,15680],{"class":6038},[5388,26228,6561],{"class":5946},[5388,26230,26231,26234,26236,26238,26240,26242,26244,26247,26249,26251],{"class":5390,"line":5474},[5388,26232,26233],{"class":6384},"        query",[5388,26235,8635],{"class":5946},[5388,26237,7127],{"class":6384},[5388,26239,5555],{"class":5946},[5388,26241,23315],{"class":6086},[5388,26243,6399],{"class":5946},[5388,26245,26246],{"class":6086},"FilterByStatus",[5388,26248,6399],{"class":5946},[5388,26250,25148],{"class":6384},[5388,26252,25404],{"class":5946},[5388,26254,26255],{"class":5390,"line":5480},[5388,26256,6593],{"class":5946},[5388,26258,26259],{"class":5390,"line":5486},[5388,26260,6459],{"class":5946},[5388,26262,26263,26265,26268,26270,26272],{"class":5390,"line":5491},[5388,26264,6549],{"class":6435},[5388,26266,26267],{"class":6384}," role",[5388,26269,6555],{"class":5946},[5388,26271,15680],{"class":6038},[5388,26273,6561],{"class":5946},[5388,26275,26276,26278,26280,26282,26284,26286,26288,26291,26293,26296],{"class":5390,"line":5497},[5388,26277,26233],{"class":6384},[5388,26279,8635],{"class":5946},[5388,26281,7127],{"class":6384},[5388,26283,5555],{"class":5946},[5388,26285,23315],{"class":6086},[5388,26287,6399],{"class":5946},[5388,26289,26290],{"class":6086},"FilterByRole",[5388,26292,6399],{"class":5946},[5388,26294,26295],{"class":6384},"role",[5388,26297,25404],{"class":5946},[5388,26299,26300],{"class":5390,"line":5502},[5388,26301,6593],{"class":5946},[5388,26303,26304],{"class":5390,"line":5508},[5388,26305,6459],{"class":5946},[5388,26307,26308,26310,26312,26314,26316,26318,26320,26322,26324,26326,26328,26330],{"class":5390,"line":5513},[5388,26309,7056],{"class":6384},[5388,26311,8635],{"class":5946},[5388,26313,7127],{"class":6384},[5388,26315,5555],{"class":5946},[5388,26317,23315],{"class":6086},[5388,26319,6399],{"class":5946},[5388,26321,23320],{"class":6086},[5388,26323,6399],{"class":5946},[5388,26325,23184],{"class":6384},[5388,26327,5603],{"class":5946},[5388,26329,23189],{"class":6384},[5388,26331,25404],{"class":5946},[5388,26333,26334],{"class":5390,"line":5518},[5388,26335,6459],{"class":5946},[5388,26337,26338,26340,26342,26344,26346,26348,26350,26352,26354,26356,26358,26360,26362,26364,26366],{"class":5390,"line":5524},[5388,26339,6549],{"class":6435},[5388,26341,6552],{"class":6384},[5388,26343,6388],{"class":5946},[5388,26345,7127],{"class":6384},[5388,26347,5555],{"class":5946},[5388,26349,14239],{"class":6086},[5388,26351,7742],{"class":5946},[5388,26353,8643],{"class":6384},[5388,26355,5827],{"class":5946},[5388,26357,13862],{"class":6384},[5388,26359,21502],{"class":5946},[5388,26361,6523],{"class":6384},[5388,26363,6555],{"class":5946},[5388,26365,6558],{"class":6096},[5388,26367,6561],{"class":5946},[5388,26369,26370,26373,26375,26378,26380,26383,26385,26387,26389,26392,26394,26397,26399,26401,26403,26405],{"class":5390,"line":5530},[5388,26371,26372],{"class":6384},"        c",[5388,26374,5555],{"class":5946},[5388,26376,26377],{"class":6086},"JSON",[5388,26379,6399],{"class":5946},[5388,26381,26382],{"class":6853},"500",[5388,26384,5603],{"class":5946},[5388,26386,26038],{"class":6425},[5388,26388,5555],{"class":5946},[5388,26390,26391],{"class":6425},"H",[5388,26393,7559],{"class":5946},[5388,26395,26396],{"class":6038},"\"error\"",[5388,26398,5947],{"class":5946},[5388,26400,6523],{"class":6384},[5388,26402,5555],{"class":5946},[5388,26404,13862],{"class":6086},[5388,26406,26407],{"class":5946},"()})\n",[5388,26409,26410],{"class":5390,"line":5535},[5388,26411,26412],{"class":6435},"        return\n",[5388,26414,26415],{"class":5390,"line":5803},[5388,26416,6593],{"class":5946},[5388,26418,26419],{"class":5390,"line":5808},[5388,26420,6459],{"class":5946},[5388,26422,26423,26426,26428,26430,26432,26435,26437,26439],{"class":5390,"line":7649},[5388,26424,26425],{"class":6384},"    c",[5388,26427,5555],{"class":5946},[5388,26429,26377],{"class":6086},[5388,26431,6399],{"class":5946},[5388,26433,26434],{"class":6853},"200",[5388,26436,5603],{"class":5946},[5388,26438,8643],{"class":6384},[5388,26440,6405],{"class":5946},[5388,26442,26443],{"class":5390,"line":7654},[5388,26444,5711],{"class":5946},[5388,26446,26447],{"class":5390,"line":7659},[5388,26448,5413],{"emptyLinePlaceholder":5412},[5388,26450,26451],{"class":5390,"line":7665},[5388,26452,26453],{"class":5936},"\u002F\u002F Scopes\n",[5388,26455,26456,26458,26461,26463,26465,26467,26469,26471,26473,26475,26477,26479,26481,26483,26485,26487,26489,26491],{"class":5390,"line":7696},[5388,26457,6483],{"class":6096},[5388,26459,26460],{"class":6086}," FilterByStatus",[5388,26462,6399],{"class":5946},[5388,26464,25148],{"class":6384},[5388,26466,9935],{"class":6425},[5388,26468,7046],{"class":5946},[5388,26470,6483],{"class":6096},[5388,26472,6399],{"class":5946},[5388,26474,6629],{"class":6384},[5388,26476,7036],{"class":5946},[5388,26478,13228],{"class":6425},[5388,26480,5555],{"class":5946},[5388,26482,7043],{"class":6425},[5388,26484,7542],{"class":5946},[5388,26486,13228],{"class":6425},[5388,26488,5555],{"class":5946},[5388,26490,7043],{"class":6425},[5388,26492,6561],{"class":5946},[5388,26494,26495,26497,26499,26501,26503,26505,26507,26509,26511,26513,26515,26517,26519],{"class":5390,"line":7709},[5388,26496,7198],{"class":6435},[5388,26498,11024],{"class":6096},[5388,26500,6399],{"class":5946},[5388,26502,6629],{"class":6384},[5388,26504,7036],{"class":5946},[5388,26506,13228],{"class":6425},[5388,26508,5555],{"class":5946},[5388,26510,7043],{"class":6425},[5388,26512,7542],{"class":5946},[5388,26514,13228],{"class":6425},[5388,26516,5555],{"class":5946},[5388,26518,7043],{"class":6425},[5388,26520,6561],{"class":5946},[5388,26522,26523,26525,26527,26529,26531,26533,26535,26537,26539],{"class":5390,"line":7721},[5388,26524,7146],{"class":6435},[5388,26526,6601],{"class":6384},[5388,26528,5555],{"class":5946},[5388,26530,14187],{"class":6086},[5388,26532,6399],{"class":5946},[5388,26534,22428],{"class":6038},[5388,26536,5603],{"class":5946},[5388,26538,25148],{"class":6384},[5388,26540,6405],{"class":5946},[5388,26542,26543],{"class":5390,"line":7733},[5388,26544,6593],{"class":5946},[5388,26546,26547],{"class":5390,"line":7754},[5388,26548,5711],{"class":5946},[5388,26550,26551],{"class":5390,"line":7759},[5388,26552,5413],{"emptyLinePlaceholder":5412},[5388,26554,26555,26557,26560,26562,26564,26566,26568,26570,26572,26574,26576,26578,26580,26582,26584,26586,26588,26590],{"class":5390,"line":7772},[5388,26556,6483],{"class":6096},[5388,26558,26559],{"class":6086}," FilterByRole",[5388,26561,6399],{"class":5946},[5388,26563,26295],{"class":6384},[5388,26565,9935],{"class":6425},[5388,26567,7046],{"class":5946},[5388,26569,6483],{"class":6096},[5388,26571,6399],{"class":5946},[5388,26573,6629],{"class":6384},[5388,26575,7036],{"class":5946},[5388,26577,13228],{"class":6425},[5388,26579,5555],{"class":5946},[5388,26581,7043],{"class":6425},[5388,26583,7542],{"class":5946},[5388,26585,13228],{"class":6425},[5388,26587,5555],{"class":5946},[5388,26589,7043],{"class":6425},[5388,26591,6561],{"class":5946},[5388,26593,26594,26596,26598,26600,26602,26604,26606,26608,26610,26612,26614,26616,26618],{"class":5390,"line":7798},[5388,26595,7198],{"class":6435},[5388,26597,11024],{"class":6096},[5388,26599,6399],{"class":5946},[5388,26601,6629],{"class":6384},[5388,26603,7036],{"class":5946},[5388,26605,13228],{"class":6425},[5388,26607,5555],{"class":5946},[5388,26609,7043],{"class":6425},[5388,26611,7542],{"class":5946},[5388,26613,13228],{"class":6425},[5388,26615,5555],{"class":5946},[5388,26617,7043],{"class":6425},[5388,26619,6561],{"class":5946},[5388,26621,26622,26624,26626,26628,26630,26632,26634,26636,26638],{"class":5390,"line":7803},[5388,26623,7146],{"class":6435},[5388,26625,6601],{"class":6384},[5388,26627,5555],{"class":5946},[5388,26629,14187],{"class":6086},[5388,26631,6399],{"class":5946},[5388,26633,22340],{"class":6038},[5388,26635,5603],{"class":5946},[5388,26637,26295],{"class":6384},[5388,26639,6405],{"class":5946},[5388,26641,26642],{"class":5390,"line":7808},[5388,26643,6593],{"class":5946},[5388,26645,26646],{"class":5390,"line":7815},[5388,26647,5711],{"class":5946},[5258,26649],{},[5261,26651,26653],{"id":26652},"batch-операції-та-продуктивність","Batch операції та продуктивність",[5266,26655,26656],{},"При роботі з великими обсягами даних важливо оптимізувати операції, щоб уникнути перевантаження бази даних та пам'яті застосунку.",[5615,26658,26660],{"id":26659},"createinbatches-пакетне-створення","CreateInBatches — пакетне створення",[5266,26662,26663,26664,26667,26668,26670,26671,26674],{},"Коли потрібно вставити тисячі записів, ",[5204,26665,26666],{},"Create()"," виконає окремий ",[5204,26669,7223],{}," для кожного. ",[5204,26672,26673],{},"CreateInBatches()"," групує вставки:",[5379,26676,26678],{"className":6376,"code":26677,"language":6232,"meta":5384,"style":5384},"var users []User\nfor i := 0; i \u003C 10000; i++ {\n    users = append(users, User{\n        Name:  fmt.Sprintf(\"User %d\", i),\n        Email: fmt.Sprintf(\"user%d@example.com\", i),\n    })\n}\n\n\u002F\u002F ❌ Повільно: 10000 окремих INSERT запитів\ndb.Create(&users)\n\n\u002F\u002F ✅ Швидко: вставка по 1000 записів за раз\ndb.CreateInBatches(users, 1000)\n\u002F\u002F INSERT INTO users (...) VALUES (...), (...), ... (1000 рядків)\n\u002F\u002F INSERT INTO users (...) VALUES (...), (...), ... (1000 рядків)\n\u002F\u002F ...\n",[5204,26679,26680,26690,26717,26736,26764,26792,26797,26801,26805,26810,26824,26828,26833,26853,26858,26862],{"__ignoreMap":5384},[5388,26681,26682,26684,26686,26688],{"class":5390,"line":5391},[5388,26683,10649],{"class":6096},[5388,26685,8502],{"class":6384},[5388,26687,10654],{"class":5946},[5388,26689,8508],{"class":6425},[5388,26691,26692,26694,26696,26698,26700,26702,26704,26707,26710,26712,26714],{"class":5390,"line":5397},[5388,26693,8877],{"class":6435},[5388,26695,21103],{"class":6384},[5388,26697,6388],{"class":5946},[5388,26699,9187],{"class":6853},[5388,26701,21502],{"class":5946},[5388,26703,21128],{"class":6384},[5388,26705,26706],{"class":5946}," \u003C ",[5388,26708,26709],{"class":6853},"10000",[5388,26711,21502],{"class":5946},[5388,26713,21128],{"class":6384},[5388,26715,26716],{"class":5946},"++ {\n",[5388,26718,26719,26722,26724,26726,26728,26730,26732,26734],{"class":5390,"line":5403},[5388,26720,26721],{"class":6384},"    users",[5388,26723,8635],{"class":5946},[5388,26725,8638],{"class":6086},[5388,26727,6399],{"class":5946},[5388,26729,8643],{"class":6384},[5388,26731,5603],{"class":5946},[5388,26733,7617],{"class":6425},[5388,26735,13785],{"class":5946},[5388,26737,26738,26741,26743,26745,26747,26749,26751,26754,26756,26758,26760,26762],{"class":5390,"line":5409},[5388,26739,26740],{"class":6384},"        Name",[5388,26742,16269],{"class":5946},[5388,26744,8214],{"class":6384},[5388,26746,5555],{"class":5946},[5388,26748,18713],{"class":6086},[5388,26750,6399],{"class":5946},[5388,26752,26753],{"class":6038},"\"User ",[5388,26755,8226],{"class":6384},[5388,26757,6582],{"class":6038},[5388,26759,5603],{"class":5946},[5388,26761,21128],{"class":6384},[5388,26763,20387],{"class":5946},[5388,26765,26766,26768,26770,26772,26774,26776,26778,26781,26783,26786,26788,26790],{"class":5390,"line":5416},[5388,26767,20365],{"class":6384},[5388,26769,5947],{"class":5946},[5388,26771,8214],{"class":6384},[5388,26773,5555],{"class":5946},[5388,26775,18713],{"class":6086},[5388,26777,6399],{"class":5946},[5388,26779,26780],{"class":6038},"\"user",[5388,26782,8226],{"class":6384},[5388,26784,26785],{"class":6038},"@example.com\"",[5388,26787,5603],{"class":5946},[5388,26789,21128],{"class":6384},[5388,26791,20387],{"class":5946},[5388,26793,26794],{"class":5390,"line":5422},[5388,26795,26796],{"class":5946},"    })\n",[5388,26798,26799],{"class":5390,"line":5428},[5388,26800,5711],{"class":5946},[5388,26802,26803],{"class":5390,"line":5434},[5388,26804,5413],{"emptyLinePlaceholder":5412},[5388,26806,26807],{"class":5390,"line":5439},[5388,26808,26809],{"class":5936},"\u002F\u002F ❌ Повільно: 10000 окремих INSERT запитів\n",[5388,26811,26812,26814,26816,26818,26820,26822],{"class":5390,"line":5445},[5388,26813,6629],{"class":6384},[5388,26815,5555],{"class":5946},[5388,26817,7594],{"class":6086},[5388,26819,7742],{"class":5946},[5388,26821,8643],{"class":6384},[5388,26823,6405],{"class":5946},[5388,26825,26826],{"class":5390,"line":5451},[5388,26827,5413],{"emptyLinePlaceholder":5412},[5388,26829,26830],{"class":5390,"line":5456},[5388,26831,26832],{"class":5936},"\u002F\u002F ✅ Швидко: вставка по 1000 записів за раз\n",[5388,26834,26835,26837,26839,26842,26844,26846,26848,26851],{"class":5390,"line":5462},[5388,26836,6629],{"class":6384},[5388,26838,5555],{"class":5946},[5388,26840,26841],{"class":6086},"CreateInBatches",[5388,26843,6399],{"class":5946},[5388,26845,8643],{"class":6384},[5388,26847,5603],{"class":5946},[5388,26849,26850],{"class":6853},"1000",[5388,26852,6405],{"class":5946},[5388,26854,26855],{"class":5390,"line":5468},[5388,26856,26857],{"class":5936},"\u002F\u002F INSERT INTO users (...) VALUES (...), (...), ... (1000 рядків)\n",[5388,26859,26860],{"class":5390,"line":5474},[5388,26861,26857],{"class":5936},[5388,26863,26864],{"class":5390,"line":5480},[5388,26865,26866],{"class":5936},"\u002F\u002F ...\n",[5266,26868,26869],{},[5229,26870,26871],{},"Оптимальний розмір пакету:",[5194,26873,26874,26877,26880],{},[5197,26875,26876],{},"PostgreSQL: 500-2000 рядків",[5197,26878,26879],{},"MySQL: 100-500 рядків",[5197,26881,26882],{},"Залежить від розміру рядка та налаштувань СУБД",[5350,26884,26885,26888,26890,26891,26894],{},[5229,26886,26887],{},"Обмеження:",[6727,26889],{},"\nДеякі бази даних мають ліміт на розмір одного SQL-запиту (наприклад, PostgreSQL — ",[5204,26892,26893],{},"max_allowed_packet","). Експериментуйте з розміром пакету для вашої СУБД.",[5615,26896,26898],{"id":26897},"findinbatches-обробка-великих-datasets","FindInBatches — обробка великих datasets",[5266,26900,26901,26902,26905],{},"Коли потрібно обробити мільйони записів, завантаження всіх у пам'ять призведе до її виснаження. ",[5204,26903,26904],{},"FindInBatches()"," обробляє дані частинами:",[5379,26907,26909],{"className":6376,"code":26908,"language":6232,"meta":5384,"style":5384},"result := db.Where(\"status = ?\", \"pending\").FindInBatches(&users, 1000, func(tx *gorm.DB, batch int) error {\n    \u002F\u002F Обробка кожної партії з 1000 записів\n    for _, user := range users {\n        \u002F\u002F Виконати щось з користувачем\n        processUser(user)\n    }\n    \n    \u002F\u002F Повернути nil для продовження, або помилку для зупинки\n    return nil\n})\n\nif result.Error != nil {\n    log.Printf(\"Помилка обробки: %v\", result.Error)\n}\n\nlog.Printf(\"Оброблено партій: %d, записів: %d\", result.RowsAffected)\n",[5204,26910,26911,26973,26978,26996,27001,27012,27016,27020,27025,27031,27035,27039,27055,27082,27086,27090],{"__ignoreMap":5384},[5388,26912,26913,26915,26917,26919,26921,26923,26925,26927,26929,26931,26933,26936,26938,26940,26942,26944,26946,26948,26950,26952,26954,26956,26958,26960,26962,26965,26967,26969,26971],{"class":5390,"line":5391},[5388,26914,7246],{"class":6384},[5388,26916,6388],{"class":5946},[5388,26918,6629],{"class":6384},[5388,26920,5555],{"class":5946},[5388,26922,14187],{"class":6086},[5388,26924,6399],{"class":5946},[5388,26926,22428],{"class":6038},[5388,26928,5603],{"class":5946},[5388,26930,21913],{"class":6038},[5388,26932,5827],{"class":5946},[5388,26934,26935],{"class":6086},"FindInBatches",[5388,26937,7742],{"class":5946},[5388,26939,8643],{"class":6384},[5388,26941,5603],{"class":5946},[5388,26943,26850],{"class":6853},[5388,26945,5603],{"class":5946},[5388,26947,6483],{"class":6096},[5388,26949,6399],{"class":5946},[5388,26951,11134],{"class":6384},[5388,26953,7036],{"class":5946},[5388,26955,13228],{"class":6425},[5388,26957,5555],{"class":5946},[5388,26959,7043],{"class":6425},[5388,26961,5603],{"class":5946},[5388,26963,26964],{"class":6384},"batch",[5388,26966,8035],{"class":6425},[5388,26968,7046],{"class":5946},[5388,26970,7049],{"class":6425},[5388,26972,6561],{"class":5946},[5388,26974,26975],{"class":5390,"line":5397},[5388,26976,26977],{"class":5936},"    \u002F\u002F Обробка кожної партії з 1000 записів\n",[5388,26979,26980,26982,26984,26986,26988,26990,26992,26994],{"class":5390,"line":5403},[5388,26981,8513],{"class":6435},[5388,26983,14256],{"class":6384},[5388,26985,5603],{"class":5946},[5388,26987,7612],{"class":6384},[5388,26989,6388],{"class":5946},[5388,26991,14266],{"class":6435},[5388,26993,8502],{"class":6384},[5388,26995,6561],{"class":5946},[5388,26997,26998],{"class":5390,"line":5409},[5388,26999,27000],{"class":5936},"        \u002F\u002F Виконати щось з користувачем\n",[5388,27002,27003,27006,27008,27010],{"class":5390,"line":5416},[5388,27004,27005],{"class":6086},"        processUser",[5388,27007,6399],{"class":5946},[5388,27009,7612],{"class":6384},[5388,27011,6405],{"class":5946},[5388,27013,27014],{"class":5390,"line":5422},[5388,27015,6593],{"class":5946},[5388,27017,27018],{"class":5390,"line":5428},[5388,27019,6459],{"class":5946},[5388,27021,27022],{"class":5390,"line":5434},[5388,27023,27024],{"class":5936},"    \u002F\u002F Повернути nil для продовження, або помилку для зупинки\n",[5388,27026,27027,27029],{"class":5390,"line":5439},[5388,27028,7198],{"class":6435},[5388,27030,7201],{"class":6096},[5388,27032,27033],{"class":5390,"line":5445},[5388,27034,14574],{"class":5946},[5388,27036,27037],{"class":5390,"line":5451},[5388,27038,5413],{"emptyLinePlaceholder":5412},[5388,27040,27041,27043,27045,27047,27049,27051,27053],{"class":5390,"line":5456},[5388,27042,7270],{"class":6435},[5388,27044,13857],{"class":6384},[5388,27046,5555],{"class":5946},[5388,27048,13862],{"class":6384},[5388,27050,6555],{"class":5946},[5388,27052,6558],{"class":6096},[5388,27054,6561],{"class":5946},[5388,27056,27057,27059,27061,27063,27065,27068,27070,27072,27074,27076,27078,27080],{"class":5390,"line":5462},[5388,27058,9869],{"class":6384},[5388,27060,5555],{"class":5946},[5388,27062,13877],{"class":6086},[5388,27064,6399],{"class":5946},[5388,27066,27067],{"class":6038},"\"Помилка обробки: ",[5388,27069,6579],{"class":6384},[5388,27071,6582],{"class":6038},[5388,27073,5603],{"class":5946},[5388,27075,7246],{"class":6384},[5388,27077,5555],{"class":5946},[5388,27079,13862],{"class":6384},[5388,27081,6405],{"class":5946},[5388,27083,27084],{"class":5390,"line":5468},[5388,27085,5711],{"class":5946},[5388,27087,27088],{"class":5390,"line":5474},[5388,27089,5413],{"emptyLinePlaceholder":5412},[5388,27091,27092,27094,27096,27098,27100,27103,27105,27108,27110,27112,27114,27116,27118,27120],{"class":5390,"line":5480},[5388,27093,14861],{"class":6384},[5388,27095,5555],{"class":5946},[5388,27097,13877],{"class":6086},[5388,27099,6399],{"class":5946},[5388,27101,27102],{"class":6038},"\"Оброблено партій: ",[5388,27104,8226],{"class":6384},[5388,27106,27107],{"class":6038},", записів: ",[5388,27109,8226],{"class":6384},[5388,27111,6582],{"class":6038},[5388,27113,5603],{"class":5946},[5388,27115,7246],{"class":6384},[5388,27117,5555],{"class":5946},[5388,27119,7335],{"class":6384},[5388,27121,6405],{"class":5946},[5266,27123,27124],{},[5229,27125,5543],{},[5275,27127,27128,27134,27137,27144],{},[5197,27129,27130,27131,5555],{},"GORM виконує запит ",[5204,27132,27133],{},"SELECT ... LIMIT 1000 OFFSET 0",[5197,27135,27136],{},"Викликає вашу функцію з першою партією.",[5197,27138,27139,27140,27143],{},"Виконує ",[5204,27141,27142],{},"LIMIT 1000 OFFSET 1000",", викликає функцію знову.",[5197,27145,27146],{},"Продовжує, поки є записи.",[5266,27148,27149],{},[5229,27150,18986],{},[5194,27152,27153,27156,27159],{},[5197,27154,27155],{},"Контрольоване споживання пам'яті.",[5197,27157,27158],{},"Можливість зупинки обробки (повернути помилку).",[5197,27160,27161,27162,5827],{},"Прогрес обробки (параметр ",[5204,27163,26964],{},[5615,27165,27167],{"id":27166},"upsert-вставка-або-оновлення-onconflict","Upsert — вставка або оновлення (OnConflict)",[5266,27169,27170,5306,27173,27176],{},[5229,27171,27172],{},"Upsert",[5270,27174,27175],{},"insert or update",") — операція, що вставляє запис, якщо його немає, або оновлює, якщо він існує.",[5379,27178,27180],{"className":6376,"code":27179,"language":6232,"meta":5384,"style":5384},"\u002F\u002F PostgreSQL: ON CONFLICT DO UPDATE\nuser := User{\n    Email: \"alice@example.com\",\n    Name:  \"Alice Cooper\",\n    Age:   30,\n}\n\nresult := db.Clauses(clause.OnConflict{\n    Columns:   []clause.Column{{Name: \"email\"}}, \u002F\u002F Ключ конфлікту\n    DoUpdates: clause.AssignmentColumns([]string{\"name\", \"age\"}), \u002F\u002F Оновити ці колонки\n}).Create(&user)\n\n\u002F\u002F INSERT INTO users (email, name, age) VALUES (?, ?, ?)\n\u002F\u002F ON CONFLICT (email)\n\u002F\u002F DO UPDATE SET name = excluded.name, age = excluded.age\n",[5204,27181,27182,27187,27197,27207,27217,27228,27232,27236,27261,27291,27323,27335,27339,27344,27349],{"__ignoreMap":5384},[5388,27183,27184],{"class":5390,"line":5391},[5388,27185,27186],{"class":5936},"\u002F\u002F PostgreSQL: ON CONFLICT DO UPDATE\n",[5388,27188,27189,27191,27193,27195],{"class":5390,"line":5397},[5388,27190,7612],{"class":6384},[5388,27192,6388],{"class":5946},[5388,27194,7617],{"class":6425},[5388,27196,13785],{"class":5946},[5388,27198,27199,27201,27203,27205],{"class":5390,"line":5403},[5388,27200,7461],{"class":6384},[5388,27202,5947],{"class":5946},[5388,27204,13795],{"class":6038},[5388,27206,7693],{"class":5946},[5388,27208,27209,27211,27213,27215],{"class":5390,"line":5409},[5388,27210,15123],{"class":6384},[5388,27212,16269],{"class":5946},[5388,27214,14499],{"class":6038},[5388,27216,7693],{"class":5946},[5388,27218,27219,27221,27223,27226],{"class":5390,"line":5416},[5388,27220,16849],{"class":6384},[5388,27222,16241],{"class":5946},[5388,27224,27225],{"class":6853},"30",[5388,27227,7693],{"class":5946},[5388,27229,27230],{"class":5390,"line":5422},[5388,27231,5711],{"class":5946},[5388,27233,27234],{"class":5390,"line":5428},[5388,27235,5413],{"emptyLinePlaceholder":5412},[5388,27237,27238,27240,27242,27244,27246,27249,27251,27254,27256,27259],{"class":5390,"line":5434},[5388,27239,7246],{"class":6384},[5388,27241,6388],{"class":5946},[5388,27243,6629],{"class":6384},[5388,27245,5555],{"class":5946},[5388,27247,27248],{"class":6086},"Clauses",[5388,27250,6399],{"class":5946},[5388,27252,27253],{"class":6425},"clause",[5388,27255,5555],{"class":5946},[5388,27257,27258],{"class":6425},"OnConflict",[5388,27260,13785],{"class":5946},[5388,27262,27263,27266,27269,27271,27273,27276,27279,27281,27283,27285,27288],{"class":5390,"line":5439},[5388,27264,27265],{"class":6384},"    Columns",[5388,27267,27268],{"class":5946},":   []",[5388,27270,27253],{"class":6425},[5388,27272,5555],{"class":5946},[5388,27274,27275],{"class":6425},"Column",[5388,27277,27278],{"class":5946},"{{",[5388,27280,18763],{"class":6384},[5388,27282,5947],{"class":5946},[5388,27284,22639],{"class":6038},[5388,27286,27287],{"class":5946},"}}, ",[5388,27289,27290],{"class":5936},"\u002F\u002F Ключ конфлікту\n",[5388,27292,27293,27296,27298,27300,27302,27305,27307,27309,27311,27313,27315,27317,27320],{"class":5390,"line":5445},[5388,27294,27295],{"class":6384},"    DoUpdates",[5388,27297,5947],{"class":5946},[5388,27299,27253],{"class":6384},[5388,27301,5555],{"class":5946},[5388,27303,27304],{"class":6086},"AssignmentColumns",[5388,27306,15729],{"class":5946},[5388,27308,13511],{"class":6425},[5388,27310,7559],{"class":5946},[5388,27312,22522],{"class":6038},[5388,27314,5603],{"class":5946},[5388,27316,22683],{"class":6038},[5388,27318,27319],{"class":5946},"}), ",[5388,27321,27322],{"class":5936},"\u002F\u002F Оновити ці колонки\n",[5388,27324,27325,27327,27329,27331,27333],{"class":5390,"line":5451},[5388,27326,21916],{"class":5946},[5388,27328,7594],{"class":6086},[5388,27330,7742],{"class":5946},[5388,27332,7612],{"class":6384},[5388,27334,6405],{"class":5946},[5388,27336,27337],{"class":5390,"line":5456},[5388,27338,5413],{"emptyLinePlaceholder":5412},[5388,27340,27341],{"class":5390,"line":5462},[5388,27342,27343],{"class":5936},"\u002F\u002F INSERT INTO users (email, name, age) VALUES (?, ?, ?)\n",[5388,27345,27346],{"class":5390,"line":5468},[5388,27347,27348],{"class":5936},"\u002F\u002F ON CONFLICT (email)\n",[5388,27350,27351],{"class":5390,"line":5474},[5388,27352,27353],{"class":5936},"\u002F\u002F DO UPDATE SET name = excluded.name, age = excluded.age\n",[5266,27355,27356],{},[5229,27357,27358],{},"Варіанти обробки конфлікту:",[5379,27360,27362],{"className":6376,"code":27361,"language":6232,"meta":5384,"style":5384},"\u002F\u002F 1. Оновити всі колонки крім певних\ndb.Clauses(clause.OnConflict{\n    Columns:   []clause.Column{{Name: \"email\"}},\n    DoUpdates: clause.AssignmentColumns([]string{\"name\", \"age\"}),\n}).Create(&user)\n\n\u002F\u002F 2. Оновити лише вказані колонки\ndb.Clauses(clause.OnConflict{\n    Columns: []clause.Column{{Name: \"email\"}},\n    DoUpdates: clause.Assignments(map[string]interface{}{\n        \"name\": \"New Name\",\n        \"updated_at\": time.Now(),\n    }),\n}).Create(&user)\n\n\u002F\u002F 3. Нічого не робити при конфлікті\ndb.Clauses(clause.OnConflict{\n    Columns:   []clause.Column{{Name: \"email\"}},\n    DoNothing: true,\n}).Create(&user)\n\n\u002F\u002F 4. Оновити, використовуючи значення з INSERT\ndb.Clauses(clause.OnConflict{\n    Columns: []clause.Column{{Name: \"email\"}},\n    DoUpdates: clause.Assignments(map[string]interface{}{\n        \"name\": gorm.Expr(\"excluded.name\"),\n        \"age\":  gorm.Expr(\"excluded.age\"),\n    }),\n}).Create(&user)\n",[5204,27363,27364,27369,27387,27410,27437,27449,27453,27458,27476,27498,27525,27537,27552,27557,27569,27573,27578,27596,27618,27629,27641,27645,27650,27668,27690,27716,27736,27755,27759],{"__ignoreMap":5384},[5388,27365,27366],{"class":5390,"line":5391},[5388,27367,27368],{"class":5936},"\u002F\u002F 1. Оновити всі колонки крім певних\n",[5388,27370,27371,27373,27375,27377,27379,27381,27383,27385],{"class":5390,"line":5397},[5388,27372,6629],{"class":6384},[5388,27374,5555],{"class":5946},[5388,27376,27248],{"class":6086},[5388,27378,6399],{"class":5946},[5388,27380,27253],{"class":6425},[5388,27382,5555],{"class":5946},[5388,27384,27258],{"class":6425},[5388,27386,13785],{"class":5946},[5388,27388,27389,27391,27393,27395,27397,27399,27401,27403,27405,27407],{"class":5390,"line":5403},[5388,27390,27265],{"class":6384},[5388,27392,27268],{"class":5946},[5388,27394,27253],{"class":6425},[5388,27396,5555],{"class":5946},[5388,27398,27275],{"class":6425},[5388,27400,27278],{"class":5946},[5388,27402,18763],{"class":6384},[5388,27404,5947],{"class":5946},[5388,27406,22639],{"class":6038},[5388,27408,27409],{"class":5946},"}},\n",[5388,27411,27412,27414,27416,27418,27420,27422,27424,27426,27428,27430,27432,27434],{"class":5390,"line":5409},[5388,27413,27295],{"class":6384},[5388,27415,5947],{"class":5946},[5388,27417,27253],{"class":6384},[5388,27419,5555],{"class":5946},[5388,27421,27304],{"class":6086},[5388,27423,15729],{"class":5946},[5388,27425,13511],{"class":6425},[5388,27427,7559],{"class":5946},[5388,27429,22522],{"class":6038},[5388,27431,5603],{"class":5946},[5388,27433,22683],{"class":6038},[5388,27435,27436],{"class":5946},"}),\n",[5388,27438,27439,27441,27443,27445,27447],{"class":5390,"line":5416},[5388,27440,21916],{"class":5946},[5388,27442,7594],{"class":6086},[5388,27444,7742],{"class":5946},[5388,27446,7612],{"class":6384},[5388,27448,6405],{"class":5946},[5388,27450,27451],{"class":5390,"line":5422},[5388,27452,5413],{"emptyLinePlaceholder":5412},[5388,27454,27455],{"class":5390,"line":5428},[5388,27456,27457],{"class":5936},"\u002F\u002F 2. Оновити лише вказані колонки\n",[5388,27459,27460,27462,27464,27466,27468,27470,27472,27474],{"class":5390,"line":5434},[5388,27461,6629],{"class":6384},[5388,27463,5555],{"class":5946},[5388,27465,27248],{"class":6086},[5388,27467,6399],{"class":5946},[5388,27469,27253],{"class":6425},[5388,27471,5555],{"class":5946},[5388,27473,27258],{"class":6425},[5388,27475,13785],{"class":5946},[5388,27477,27478,27480,27482,27484,27486,27488,27490,27492,27494,27496],{"class":5390,"line":5439},[5388,27479,27265],{"class":6384},[5388,27481,15265],{"class":5946},[5388,27483,27253],{"class":6425},[5388,27485,5555],{"class":5946},[5388,27487,27275],{"class":6425},[5388,27489,27278],{"class":5946},[5388,27491,18763],{"class":6384},[5388,27493,5947],{"class":5946},[5388,27495,22639],{"class":6038},[5388,27497,27409],{"class":5946},[5388,27499,27500,27502,27504,27506,27508,27511,27513,27515,27517,27519,27521,27523],{"class":5390,"line":5445},[5388,27501,27295],{"class":6384},[5388,27503,5947],{"class":5946},[5388,27505,27253],{"class":6384},[5388,27507,5555],{"class":5946},[5388,27509,27510],{"class":6086},"Assignments",[5388,27512,6399],{"class":5946},[5388,27514,14532],{"class":6096},[5388,27516,14535],{"class":5946},[5388,27518,13511],{"class":6425},[5388,27520,14540],{"class":5946},[5388,27522,14543],{"class":6096},[5388,27524,14546],{"class":5946},[5388,27526,27527,27530,27532,27535],{"class":5390,"line":5451},[5388,27528,27529],{"class":6038},"        \"name\"",[5388,27531,5947],{"class":5946},[5388,27533,27534],{"class":6038},"\"New Name\"",[5388,27536,7693],{"class":5946},[5388,27538,27539,27542,27544,27546,27548,27550],{"class":5390,"line":5456},[5388,27540,27541],{"class":6038},"        \"updated_at\"",[5388,27543,5947],{"class":5946},[5388,27545,6910],{"class":6384},[5388,27547,5555],{"class":5946},[5388,27549,14360],{"class":6086},[5388,27551,16293],{"class":5946},[5388,27553,27554],{"class":5390,"line":5462},[5388,27555,27556],{"class":5946},"    }),\n",[5388,27558,27559,27561,27563,27565,27567],{"class":5390,"line":5468},[5388,27560,21916],{"class":5946},[5388,27562,7594],{"class":6086},[5388,27564,7742],{"class":5946},[5388,27566,7612],{"class":6384},[5388,27568,6405],{"class":5946},[5388,27570,27571],{"class":5390,"line":5474},[5388,27572,5413],{"emptyLinePlaceholder":5412},[5388,27574,27575],{"class":5390,"line":5480},[5388,27576,27577],{"class":5936},"\u002F\u002F 3. Нічого не робити при конфлікті\n",[5388,27579,27580,27582,27584,27586,27588,27590,27592,27594],{"class":5390,"line":5486},[5388,27581,6629],{"class":6384},[5388,27583,5555],{"class":5946},[5388,27585,27248],{"class":6086},[5388,27587,6399],{"class":5946},[5388,27589,27253],{"class":6425},[5388,27591,5555],{"class":5946},[5388,27593,27258],{"class":6425},[5388,27595,13785],{"class":5946},[5388,27597,27598,27600,27602,27604,27606,27608,27610,27612,27614,27616],{"class":5390,"line":5491},[5388,27599,27265],{"class":6384},[5388,27601,27268],{"class":5946},[5388,27603,27253],{"class":6425},[5388,27605,5555],{"class":5946},[5388,27607,27275],{"class":6425},[5388,27609,27278],{"class":5946},[5388,27611,18763],{"class":6384},[5388,27613,5947],{"class":5946},[5388,27615,22639],{"class":6038},[5388,27617,27409],{"class":5946},[5388,27619,27620,27623,27625,27627],{"class":5390,"line":5497},[5388,27621,27622],{"class":6384},"    DoNothing",[5388,27624,5947],{"class":5946},[5388,27626,8783],{"class":6096},[5388,27628,7693],{"class":5946},[5388,27630,27631,27633,27635,27637,27639],{"class":5390,"line":5502},[5388,27632,21916],{"class":5946},[5388,27634,7594],{"class":6086},[5388,27636,7742],{"class":5946},[5388,27638,7612],{"class":6384},[5388,27640,6405],{"class":5946},[5388,27642,27643],{"class":5390,"line":5508},[5388,27644,5413],{"emptyLinePlaceholder":5412},[5388,27646,27647],{"class":5390,"line":5513},[5388,27648,27649],{"class":5936},"\u002F\u002F 4. Оновити, використовуючи значення з INSERT\n",[5388,27651,27652,27654,27656,27658,27660,27662,27664,27666],{"class":5390,"line":5518},[5388,27653,6629],{"class":6384},[5388,27655,5555],{"class":5946},[5388,27657,27248],{"class":6086},[5388,27659,6399],{"class":5946},[5388,27661,27253],{"class":6425},[5388,27663,5555],{"class":5946},[5388,27665,27258],{"class":6425},[5388,27667,13785],{"class":5946},[5388,27669,27670,27672,27674,27676,27678,27680,27682,27684,27686,27688],{"class":5390,"line":5524},[5388,27671,27265],{"class":6384},[5388,27673,15265],{"class":5946},[5388,27675,27253],{"class":6425},[5388,27677,5555],{"class":5946},[5388,27679,27275],{"class":6425},[5388,27681,27278],{"class":5946},[5388,27683,18763],{"class":6384},[5388,27685,5947],{"class":5946},[5388,27687,22639],{"class":6038},[5388,27689,27409],{"class":5946},[5388,27691,27692,27694,27696,27698,27700,27702,27704,27706,27708,27710,27712,27714],{"class":5390,"line":5530},[5388,27693,27295],{"class":6384},[5388,27695,5947],{"class":5946},[5388,27697,27253],{"class":6384},[5388,27699,5555],{"class":5946},[5388,27701,27510],{"class":6086},[5388,27703,6399],{"class":5946},[5388,27705,14532],{"class":6096},[5388,27707,14535],{"class":5946},[5388,27709,13511],{"class":6425},[5388,27711,14540],{"class":5946},[5388,27713,14543],{"class":6096},[5388,27715,14546],{"class":5946},[5388,27717,27718,27720,27722,27724,27726,27729,27731,27734],{"class":5390,"line":5535},[5388,27719,27529],{"class":6038},[5388,27721,5947],{"class":5946},[5388,27723,13228],{"class":6384},[5388,27725,5555],{"class":5946},[5388,27727,27728],{"class":6086},"Expr",[5388,27730,6399],{"class":5946},[5388,27732,27733],{"class":6038},"\"excluded.name\"",[5388,27735,20387],{"class":5946},[5388,27737,27738,27740,27742,27744,27746,27748,27750,27753],{"class":5390,"line":5803},[5388,27739,17539],{"class":6038},[5388,27741,16269],{"class":5946},[5388,27743,13228],{"class":6384},[5388,27745,5555],{"class":5946},[5388,27747,27728],{"class":6086},[5388,27749,6399],{"class":5946},[5388,27751,27752],{"class":6038},"\"excluded.age\"",[5388,27754,20387],{"class":5946},[5388,27756,27757],{"class":5390,"line":5808},[5388,27758,27556],{"class":5946},[5388,27760,27761,27763,27765,27767,27769],{"class":5390,"line":7649},[5388,27762,21916],{"class":5946},[5388,27764,7594],{"class":6086},[5388,27766,7742],{"class":5946},[5388,27768,7612],{"class":6384},[5388,27770,6405],{"class":5946},[5841,27772,27773,27778],{},[5266,27774,27775],{},[5229,27776,27777],{},"Коли використовувати Upsert?",[5194,27779,27780,27783,27786],{},[5197,27781,27782],{},"Імпорт даних з зовнішніх джерел (синхронізація з API).",[5197,27784,27785],{},"Кешування даних у БД (оновити, якщо існує, інакше створити).",[5197,27787,27788],{},"Ідемпотентні операції (повторний виклик не створить дублікатів).",[5615,27790,27792],{"id":27791},"updates-з-обмеженнями","Updates з обмеженнями",[5379,27794,27796],{"className":6376,"code":27795,"language":6232,"meta":5384,"style":5384},"\u002F\u002F Оновити лише перші 10 записів\ndb.Model(&User{}).Where(\"status = ?\", \"pending\").\n   Limit(10).\n   Update(\"status\", \"processed\")\n\n\u002F\u002F Оновити лише якщо вік менше певного значення\ndb.Model(&User{}).\n   Where(\"age \u003C ?\", 18).\n   Update(\"status\", \"minor\")\n",[5204,27797,27798,27803,27829,27839,27855,27859,27864,27878,27893],{"__ignoreMap":5384},[5388,27799,27800],{"class":5390,"line":5391},[5388,27801,27802],{"class":5936},"\u002F\u002F Оновити лише перші 10 записів\n",[5388,27804,27805,27807,27809,27811,27813,27815,27817,27819,27821,27823,27825,27827],{"class":5390,"line":5397},[5388,27806,6629],{"class":6384},[5388,27808,5555],{"class":5946},[5388,27810,14481],{"class":6086},[5388,27812,7742],{"class":5946},[5388,27814,7617],{"class":6425},[5388,27816,22835],{"class":5946},[5388,27818,14187],{"class":6086},[5388,27820,6399],{"class":5946},[5388,27822,22428],{"class":6038},[5388,27824,5603],{"class":5946},[5388,27826,21913],{"class":6038},[5388,27828,14395],{"class":5946},[5388,27830,27831,27833,27835,27837],{"class":5390,"line":5403},[5388,27832,14400],{"class":6086},[5388,27834,6399],{"class":5946},[5388,27836,6879],{"class":6853},[5388,27838,14395],{"class":5946},[5388,27840,27841,27844,27846,27848,27850,27853],{"class":5390,"line":5409},[5388,27842,27843],{"class":6086},"   Update",[5388,27845,6399],{"class":5946},[5388,27847,25169],{"class":6038},[5388,27849,5603],{"class":5946},[5388,27851,27852],{"class":6038},"\"processed\"",[5388,27854,6405],{"class":5946},[5388,27856,27857],{"class":5390,"line":5416},[5388,27858,5413],{"emptyLinePlaceholder":5412},[5388,27860,27861],{"class":5390,"line":5422},[5388,27862,27863],{"class":5936},"\u002F\u002F Оновити лише якщо вік менше певного значення\n",[5388,27865,27866,27868,27870,27872,27874,27876],{"class":5390,"line":5428},[5388,27867,6629],{"class":6384},[5388,27869,5555],{"class":5946},[5388,27871,14481],{"class":6086},[5388,27873,7742],{"class":5946},[5388,27875,7617],{"class":6425},[5388,27877,23518],{"class":5946},[5388,27879,27880,27882,27884,27887,27889,27891],{"class":5390,"line":5434},[5388,27881,22407],{"class":6086},[5388,27883,6399],{"class":5946},[5388,27885,27886],{"class":6038},"\"age \u003C ?\"",[5388,27888,5603],{"class":5946},[5388,27890,10628],{"class":6853},[5388,27892,14395],{"class":5946},[5388,27894,27895,27897,27899,27901,27903,27906],{"class":5390,"line":5439},[5388,27896,27843],{"class":6086},[5388,27898,6399],{"class":5946},[5388,27900,25169],{"class":6038},[5388,27902,5603],{"class":5946},[5388,27904,27905],{"class":6038},"\"minor\"",[5388,27907,6405],{"class":5946},[5615,27909,27911],{"id":27910},"prepared-statements-для-продуктивності","Prepared Statements для продуктивності",[5266,27913,27914,27915,27918],{},"GORM може кешувати підготовлені SQL-запити (",[5270,27916,27917],{},"prepared statements",") для покращення продуктивності повторюваних запитів:",[5379,27920,27922],{"className":6376,"code":27921,"language":6232,"meta":5384,"style":5384},"db, err := gorm.Open(postgres.Open(dsn), &gorm.Config{\n    PrepareStmt: true, \u002F\u002F Увімкнути prepared statements\n})\n\n\u002F\u002F Тепер GORM кешує та повторно використовує підготовлені запити\nfor i := 0; i \u003C 1000; i++ {\n    var user User\n    db.First(&user, i)\n    \u002F\u002F Запит підготовлений лише один раз, параметри змінюються\n}\n",[5204,27923,27924,27962,27976,27980,27984,27989,28013,28021,28039,28044],{"__ignoreMap":5384},[5388,27925,27926,27928,27930,27932,27934,27936,27938,27940,27942,27944,27946,27948,27950,27952,27954,27956,27958,27960],{"class":5390,"line":5391},[5388,27927,6629],{"class":6384},[5388,27929,5603],{"class":5946},[5388,27931,6523],{"class":6384},[5388,27933,6388],{"class":5946},[5388,27935,13228],{"class":6384},[5388,27937,5555],{"class":5946},[5388,27939,6533],{"class":6086},[5388,27941,6399],{"class":5946},[5388,27943,12638],{"class":6384},[5388,27945,5555],{"class":5946},[5388,27947,6533],{"class":6086},[5388,27949,6399],{"class":5946},[5388,27951,6385],{"class":6384},[5388,27953,13247],{"class":5946},[5388,27955,13228],{"class":6425},[5388,27957,5555],{"class":5946},[5388,27959,12656],{"class":6425},[5388,27961,13785],{"class":5946},[5388,27963,27964,27967,27969,27971,27973],{"class":5390,"line":5397},[5388,27965,27966],{"class":6384},"    PrepareStmt",[5388,27968,5947],{"class":5946},[5388,27970,8783],{"class":6096},[5388,27972,5603],{"class":5946},[5388,27974,27975],{"class":5936},"\u002F\u002F Увімкнути prepared statements\n",[5388,27977,27978],{"class":5390,"line":5403},[5388,27979,14574],{"class":5946},[5388,27981,27982],{"class":5390,"line":5409},[5388,27983,5413],{"emptyLinePlaceholder":5412},[5388,27985,27986],{"class":5390,"line":5416},[5388,27987,27988],{"class":5936},"\u002F\u002F Тепер GORM кешує та повторно використовує підготовлені запити\n",[5388,27990,27991,27993,27995,27997,27999,28001,28003,28005,28007,28009,28011],{"class":5390,"line":5422},[5388,27992,8877],{"class":6435},[5388,27994,21103],{"class":6384},[5388,27996,6388],{"class":5946},[5388,27998,9187],{"class":6853},[5388,28000,21502],{"class":5946},[5388,28002,21128],{"class":6384},[5388,28004,26706],{"class":5946},[5388,28006,26850],{"class":6853},[5388,28008,21502],{"class":5946},[5388,28010,21128],{"class":6384},[5388,28012,26716],{"class":5946},[5388,28014,28015,28017,28019],{"class":5390,"line":5428},[5388,28016,8499],{"class":6096},[5388,28018,8295],{"class":6384},[5388,28020,14828],{"class":6425},[5388,28022,28023,28025,28027,28029,28031,28033,28035,28037],{"class":5390,"line":5434},[5388,28024,6518],{"class":6384},[5388,28026,5555],{"class":5946},[5388,28028,14003],{"class":6086},[5388,28030,7742],{"class":5946},[5388,28032,7612],{"class":6384},[5388,28034,5603],{"class":5946},[5388,28036,21128],{"class":6384},[5388,28038,6405],{"class":5946},[5388,28040,28041],{"class":5390,"line":5439},[5388,28042,28043],{"class":5936},"    \u002F\u002F Запит підготовлений лише один раз, параметри змінюються\n",[5388,28045,28046],{"class":5390,"line":5445},[5388,28047,5711],{"class":5946},[5266,28049,28050],{},[5229,28051,18986],{},[5194,28053,28054,28057,28060],{},[5197,28055,28056],{},"Підвищення продуктивності (до 30% для простих запитів).",[5197,28058,28059],{},"Захист від SQL-ін'єкцій (вбудований).",[5197,28061,28062],{},"Зменшення навантаження на парсер SQL.",[5266,28064,28065],{},[5229,28066,19033],{},[5194,28068,28069,28072],{},[5197,28070,28071],{},"Споживає з'єднання БД довше.",[5197,28073,28074],{},"Може спричинити витоки пам'яті при великій кількості унікальних запитів.",[5580,28076,28077,28078,28080],{},"Увімкнення ",[5204,28079,20785],{}," у комбінації з динамічними запитами (де запити постійно змінюються) може призвести до витоків пам'яті через нескінченне накопичення підготовлених запитів. Використовуйте лише для застосунків із обмеженим набором запитів.",[5615,28082,28084],{"id":28083},"індекси-через-теги","Індекси через теги",[5266,28086,28087],{},"GORM дозволяє визначати індекси безпосередньо у моделях:",[5379,28089,28091],{"className":6376,"code":28090,"language":6232,"meta":5384,"style":5384},"type User struct {\n    ID    uint\n    Email string `gorm:\"uniqueIndex\"`           \u002F\u002F Унікальний індекс\n    Name  string `gorm:\"index\"`                 \u002F\u002F Звичайний індекс\n    City  string `gorm:\"index:idx_city_status\"` \u002F\u002F Іменований індекс\n    Status string `gorm:\"index:idx_city_status\"` \u002F\u002F Композитний індекс\n}\n\n\u002F\u002F AutoMigrate створить індекси:\ndb.AutoMigrate(&User{})\n\u002F\u002F CREATE UNIQUE INDEX idx_users_email ON users(email);\n\u002F\u002F CREATE INDEX idx_users_name ON users(name);\n\u002F\u002F CREATE INDEX idx_city_status ON users(city, status);\n",[5204,28092,28093,28103,28109,28121,28132,28144,28155,28159,28163,28168,28182,28187,28192],{"__ignoreMap":5384},[5388,28094,28095,28097,28099,28101],{"class":5390,"line":5391},[5388,28096,7440],{"class":6096},[5388,28098,7443],{"class":6425},[5388,28100,7446],{"class":6096},[5388,28102,6561],{"class":5946},[5388,28104,28105,28107],{"class":5390,"line":5397},[5388,28106,7453],{"class":6384},[5388,28108,14908],{"class":6425},[5388,28110,28111,28113,28115,28118],{"class":5390,"line":5403},[5388,28112,7461],{"class":6384},[5388,28114,9935],{"class":6425},[5388,28116,28117],{"class":6038}," `gorm:\"uniqueIndex\"`",[5388,28119,28120],{"class":5936},"           \u002F\u002F Унікальний індекс\n",[5388,28122,28123,28125,28127,28129],{"class":5390,"line":5409},[5388,28124,15123],{"class":6384},[5388,28126,16932],{"class":6425},[5388,28128,13477],{"class":6038},[5388,28130,28131],{"class":5936},"                 \u002F\u002F Звичайний індекс\n",[5388,28133,28134,28136,28138,28141],{"class":5390,"line":5416},[5388,28135,10594],{"class":6384},[5388,28137,16932],{"class":6425},[5388,28139,28140],{"class":6038}," `gorm:\"index:idx_city_status\"`",[5388,28142,28143],{"class":5936}," \u002F\u002F Іменований індекс\n",[5388,28145,28146,28148,28150,28152],{"class":5390,"line":5422},[5388,28147,16863],{"class":6384},[5388,28149,9935],{"class":6425},[5388,28151,28140],{"class":6038},[5388,28153,28154],{"class":5936}," \u002F\u002F Композитний індекс\n",[5388,28156,28157],{"class":5390,"line":5428},[5388,28158,5711],{"class":5946},[5388,28160,28161],{"class":5390,"line":5434},[5388,28162,5413],{"emptyLinePlaceholder":5412},[5388,28164,28165],{"class":5390,"line":5439},[5388,28166,28167],{"class":5936},"\u002F\u002F AutoMigrate створить індекси:\n",[5388,28169,28170,28172,28174,28176,28178,28180],{"class":5390,"line":5445},[5388,28171,6629],{"class":6384},[5388,28173,5555],{"class":5946},[5388,28175,13670],{"class":6086},[5388,28177,7742],{"class":5946},[5388,28179,7617],{"class":6425},[5388,28181,12659],{"class":5946},[5388,28183,28184],{"class":5390,"line":5451},[5388,28185,28186],{"class":5936},"\u002F\u002F CREATE UNIQUE INDEX idx_users_email ON users(email);\n",[5388,28188,28189],{"class":5390,"line":5456},[5388,28190,28191],{"class":5936},"\u002F\u002F CREATE INDEX idx_users_name ON users(name);\n",[5388,28193,28194],{"class":5390,"line":5462},[5388,28195,28196],{"class":5936},"\u002F\u002F CREATE INDEX idx_city_status ON users(city, status);\n",[5266,28198,28199],{},[5229,28200,28201],{},"Параметри індексів:",[5379,28203,28205],{"className":6376,"code":28204,"language":6232,"meta":5384,"style":5384},"type User struct {\n    Email string `gorm:\"index:,unique,where:deleted_at IS NULL\"`\n    \u002F\u002F Унікальний індекс лише для неvidалених записів\n    \n    Name string `gorm:\"index:,type:btree,length:100\"`\n    \u002F\u002F B-tree індекс з обмеженням довжини\n    \n    Tags []string `gorm:\"type:text[];index:,type:gin\"`\n    \u002F\u002F GIN індекс для масивів (PostgreSQL)\n}\n",[5204,28206,28207,28217,28226,28231,28235,28244,28249,28253,28264,28269],{"__ignoreMap":5384},[5388,28208,28209,28211,28213,28215],{"class":5390,"line":5391},[5388,28210,7440],{"class":6096},[5388,28212,7443],{"class":6425},[5388,28214,7446],{"class":6096},[5388,28216,6561],{"class":5946},[5388,28218,28219,28221,28223],{"class":5390,"line":5397},[5388,28220,7461],{"class":6384},[5388,28222,9935],{"class":6425},[5388,28224,28225],{"class":6038}," `gorm:\"index:,unique,where:deleted_at IS NULL\"`\n",[5388,28227,28228],{"class":5390,"line":5403},[5388,28229,28230],{"class":5936},"    \u002F\u002F Унікальний індекс лише для неvidалених записів\n",[5388,28232,28233],{"class":5390,"line":5409},[5388,28234,6459],{"class":5946},[5388,28236,28237,28239,28241],{"class":5390,"line":5416},[5388,28238,15123],{"class":6384},[5388,28240,9935],{"class":6425},[5388,28242,28243],{"class":6038}," `gorm:\"index:,type:btree,length:100\"`\n",[5388,28245,28246],{"class":5390,"line":5422},[5388,28247,28248],{"class":5936},"    \u002F\u002F B-tree індекс з обмеженням довжини\n",[5388,28250,28251],{"class":5390,"line":5428},[5388,28252,6459],{"class":5946},[5388,28254,28255,28257,28259,28261],{"class":5390,"line":5434},[5388,28256,16513],{"class":6384},[5388,28258,10654],{"class":5946},[5388,28260,13511],{"class":6425},[5388,28262,28263],{"class":6038}," `gorm:\"type:text[];index:,type:gin\"`\n",[5388,28265,28266],{"class":5390,"line":5439},[5388,28267,28268],{"class":5936},"    \u002F\u002F GIN індекс для масивів (PostgreSQL)\n",[5388,28270,28271],{"class":5390,"line":5445},[5388,28272,5711],{"class":5946},[9509,28274,28275],{},[9512,28276,28278,28283,28306,28311,28326],{"icon":9514,"label":28277},"❓ Коли створювати індекси?",[5266,28279,28280],{},[5229,28281,28282],{},"Створюйте індекси для:",[5194,28284,28285,28292,28297,28303],{},[5197,28286,28287,28288,28291],{},"Колонок у ",[5204,28289,28290],{},"WHERE"," умовах (фільтрація).",[5197,28293,28287,28294,28296],{},[5204,28295,12925],{}," умовах (з'єднання таблиць).",[5197,28298,28287,28299,28302],{},[5204,28300,28301],{},"ORDER BY"," (сортування).",[5197,28304,28305],{},"Зовнішніх ключів (foreign keys).",[5266,28307,28308],{},[5229,28309,28310],{},"НЕ створюйте індекси для:",[5194,28312,28313,28316,28319],{},[5197,28314,28315],{},"Малих таблиць (\u003C1000 рядків) — scan швидший.",[5197,28317,28318],{},"Колонок, що рідко використовуються у запитах.",[5197,28320,28321,28322,28325],{},"Колонок з низькою кардинальністю (наприклад, ",[5204,28323,28324],{},"gender"," з 2-3 можливими значеннями).",[5266,28327,28328],{},"Індекси прискорюють читання, але сповільнюють запис (INSERT, UPDATE, DELETE). Знаходьте баланс.",[5258,28330],{},[5261,28332,28334],{"id":28333},"детальна-робота-зі-звязками","Детальна робота зі зв'язками",[5266,28336,28337],{},"Зв'язки між таблицями — одна з найпотужніших можливостей GORM. Розглянемо всі типи зв'язків детально.",[5615,28339,28341],{"id":28340},"налаштування-звязків-через-теги","Налаштування зв'язків через теги",[5266,28343,28344],{},"GORM автоматично визначає зв'язки, але часто потрібне тонке налаштування:",[5379,28346,28348],{"className":6376,"code":28347,"language":6232,"meta":5384,"style":5384},"type User struct {\n    ID       uint\n    Name     string\n    Profile  Profile `gorm:\"foreignKey:UserID;references:ID\"`\n    \u002F\u002F foreignKey — поле у Profile, що вказує на User\n    \u002F\u002F references — поле у User, на яке вказує foreignKey\n}\n\ntype Profile struct {\n    ID     uint\n    UserID uint   \u002F\u002F Зовнішній ключ\n    Bio    string\n}\n",[5204,28349,28350,28360,28366,28372,28381,28386,28391,28395,28399,28409,28415,28423,28429],{"__ignoreMap":5384},[5388,28351,28352,28354,28356,28358],{"class":5390,"line":5391},[5388,28353,7440],{"class":6096},[5388,28355,7443],{"class":6425},[5388,28357,7446],{"class":6096},[5388,28359,6561],{"class":5946},[5388,28361,28362,28364],{"class":5390,"line":5397},[5388,28363,7453],{"class":6384},[5388,28365,15168],{"class":6425},[5388,28367,28368,28370],{"class":5390,"line":5403},[5388,28369,15123],{"class":6384},[5388,28371,7480],{"class":6425},[5388,28373,28374,28376,28379],{"class":5390,"line":5409},[5388,28375,14751],{"class":6384},[5388,28377,28378],{"class":6425},"  Profile",[5388,28380,16771],{"class":6038},[5388,28382,28383],{"class":5390,"line":5416},[5388,28384,28385],{"class":5936},"    \u002F\u002F foreignKey — поле у Profile, що вказує на User\n",[5388,28387,28388],{"class":5390,"line":5422},[5388,28389,28390],{"class":5936},"    \u002F\u002F references — поле у User, на яке вказує foreignKey\n",[5388,28392,28393],{"class":5390,"line":5428},[5388,28394,5711],{"class":5946},[5388,28396,28397],{"class":5390,"line":5434},[5388,28398,5413],{"emptyLinePlaceholder":5412},[5388,28400,28401,28403,28405,28407],{"class":5390,"line":5439},[5388,28402,7440],{"class":6096},[5388,28404,14754],{"class":6425},[5388,28406,7446],{"class":6096},[5388,28408,6561],{"class":5946},[5388,28410,28411,28413],{"class":5390,"line":5445},[5388,28412,7453],{"class":6384},[5388,28414,14953],{"class":6425},[5388,28416,28417,28419,28421],{"class":5390,"line":5451},[5388,28418,14786],{"class":6384},[5388,28420,16665],{"class":6425},[5388,28422,14792],{"class":5936},[5388,28424,28425,28427],{"class":5390,"line":5456},[5388,28426,14797],{"class":6384},[5388,28428,15126],{"class":6425},[5388,28430,28431],{"class":5390,"line":5462},[5388,28432,5711],{"class":5946},[13762,28434,28436],{"id":28435},"теги-налаштування-звязків","Теги налаштування зв'язків",[5379,28438,28440],{"className":6376,"code":28439,"language":6232,"meta":5384,"style":5384},"\u002F\u002F 1. Перевизначення зовнішнього ключа\ntype User struct {\n    ID      uint\n    Profile Profile `gorm:\"foreignKey:OwnerID\"` \u002F\u002F Замість UserID\n}\n\ntype Profile struct {\n    OwnerID uint \u002F\u002F Зовнішній ключ\n    Bio     string\n}\n\n\u002F\u002F 2. Перевизначення поля посилання\ntype User struct {\n    UUID    string `gorm:\"primaryKey\"`\n    Profile Profile `gorm:\"foreignKey:UserUUID;references:UUID\"`\n}\n\ntype Profile struct {\n    UserUUID string\n    Bio      string\n}\n\n\u002F\u002F 3. Каскадне видалення\ntype User struct {\n    ID    uint\n    Posts []Post `gorm:\"constraint:OnDelete:CASCADE;\"`\n}\n\u002F\u002F При видаленні User автоматично видалятимуться всі Posts\n\n\u002F\u002F 4. Каскадне оновлення\ntype User struct {\n    ID    uint\n    Posts []Post `gorm:\"constraint:OnUpdate:CASCADE;\"`\n}\n",[5204,28441,28442,28447,28457,28463,28475,28479,28483,28493,28503,28509,28513,28517,28522,28532,28540,28549,28553,28557,28567,28574,28580,28584,28588,28593,28603,28609,28620,28624,28629,28633,28638,28648,28654,28665],{"__ignoreMap":5384},[5388,28443,28444],{"class":5390,"line":5391},[5388,28445,28446],{"class":5936},"\u002F\u002F 1. Перевизначення зовнішнього ключа\n",[5388,28448,28449,28451,28453,28455],{"class":5390,"line":5397},[5388,28450,7440],{"class":6096},[5388,28452,7443],{"class":6425},[5388,28454,7446],{"class":6096},[5388,28456,6561],{"class":5946},[5388,28458,28459,28461],{"class":5390,"line":5403},[5388,28460,7453],{"class":6384},[5388,28462,14739],{"class":6425},[5388,28464,28465,28467,28469,28472],{"class":5390,"line":5409},[5388,28466,14751],{"class":6384},[5388,28468,14754],{"class":6425},[5388,28470,28471],{"class":6038}," `gorm:\"foreignKey:OwnerID\"`",[5388,28473,28474],{"class":5936}," \u002F\u002F Замість UserID\n",[5388,28476,28477],{"class":5390,"line":5416},[5388,28478,5711],{"class":5946},[5388,28480,28481],{"class":5390,"line":5422},[5388,28482,5413],{"emptyLinePlaceholder":5412},[5388,28484,28485,28487,28489,28491],{"class":5390,"line":5428},[5388,28486,7440],{"class":6096},[5388,28488,14754],{"class":6425},[5388,28490,7446],{"class":6096},[5388,28492,6561],{"class":5946},[5388,28494,28495,28498,28500],{"class":5390,"line":5434},[5388,28496,28497],{"class":6384},"    OwnerID",[5388,28499,16665],{"class":6425},[5388,28501,28502],{"class":5936}," \u002F\u002F Зовнішній ключ\n",[5388,28504,28505,28507],{"class":5390,"line":5439},[5388,28506,14797],{"class":6384},[5388,28508,7480],{"class":6425},[5388,28510,28511],{"class":5390,"line":5445},[5388,28512,5711],{"class":5946},[5388,28514,28515],{"class":5390,"line":5451},[5388,28516,5413],{"emptyLinePlaceholder":5412},[5388,28518,28519],{"class":5390,"line":5456},[5388,28520,28521],{"class":5936},"\u002F\u002F 2. Перевизначення поля посилання\n",[5388,28523,28524,28526,28528,28530],{"class":5390,"line":5462},[5388,28525,7440],{"class":6096},[5388,28527,7443],{"class":6425},[5388,28529,7446],{"class":6096},[5388,28531,6561],{"class":5946},[5388,28533,28534,28536,28538],{"class":5390,"line":5468},[5388,28535,16719],{"class":6384},[5388,28537,16502],{"class":6425},[5388,28539,16668],{"class":6038},[5388,28541,28542,28544,28546],{"class":5390,"line":5474},[5388,28543,14751],{"class":6384},[5388,28545,14754],{"class":6425},[5388,28547,28548],{"class":6038}," `gorm:\"foreignKey:UserUUID;references:UUID\"`\n",[5388,28550,28551],{"class":5390,"line":5480},[5388,28552,5711],{"class":5946},[5388,28554,28555],{"class":5390,"line":5486},[5388,28556,5413],{"emptyLinePlaceholder":5412},[5388,28558,28559,28561,28563,28565],{"class":5390,"line":5491},[5388,28560,7440],{"class":6096},[5388,28562,14754],{"class":6425},[5388,28564,7446],{"class":6096},[5388,28566,6561],{"class":5946},[5388,28568,28569,28572],{"class":5390,"line":5497},[5388,28570,28571],{"class":6384},"    UserUUID",[5388,28573,7472],{"class":6425},[5388,28575,28576,28578],{"class":5390,"line":5502},[5388,28577,14797],{"class":6384},[5388,28579,17964],{"class":6425},[5388,28581,28582],{"class":5390,"line":5508},[5388,28583,5711],{"class":5946},[5388,28585,28586],{"class":5390,"line":5513},[5388,28587,5413],{"emptyLinePlaceholder":5412},[5388,28589,28590],{"class":5390,"line":5518},[5388,28591,28592],{"class":5936},"\u002F\u002F 3. Каскадне видалення\n",[5388,28594,28595,28597,28599,28601],{"class":5390,"line":5524},[5388,28596,7440],{"class":6096},[5388,28598,7443],{"class":6425},[5388,28600,7446],{"class":6096},[5388,28602,6561],{"class":5946},[5388,28604,28605,28607],{"class":5390,"line":5530},[5388,28606,7453],{"class":6384},[5388,28608,14908],{"class":6425},[5388,28610,28611,28613,28615,28617],{"class":5390,"line":5535},[5388,28612,14919],{"class":6384},[5388,28614,10654],{"class":5946},[5388,28616,14924],{"class":6425},[5388,28618,28619],{"class":6038}," `gorm:\"constraint:OnDelete:CASCADE;\"`\n",[5388,28621,28622],{"class":5390,"line":5803},[5388,28623,5711],{"class":5946},[5388,28625,28626],{"class":5390,"line":5808},[5388,28627,28628],{"class":5936},"\u002F\u002F При видаленні User автоматично видалятимуться всі Posts\n",[5388,28630,28631],{"class":5390,"line":7649},[5388,28632,5413],{"emptyLinePlaceholder":5412},[5388,28634,28635],{"class":5390,"line":7654},[5388,28636,28637],{"class":5936},"\u002F\u002F 4. Каскадне оновлення\n",[5388,28639,28640,28642,28644,28646],{"class":5390,"line":7659},[5388,28641,7440],{"class":6096},[5388,28643,7443],{"class":6425},[5388,28645,7446],{"class":6096},[5388,28647,6561],{"class":5946},[5388,28649,28650,28652],{"class":5390,"line":7665},[5388,28651,7453],{"class":6384},[5388,28653,14908],{"class":6425},[5388,28655,28656,28658,28660,28662],{"class":5390,"line":7696},[5388,28657,14919],{"class":6384},[5388,28659,10654],{"class":5946},[5388,28661,14924],{"class":6425},[5388,28663,28664],{"class":6038}," `gorm:\"constraint:OnUpdate:CASCADE;\"`\n",[5388,28666,28667],{"class":5390,"line":7709},[5388,28668,5711],{"class":5946},[5266,28670,28671],{},[5229,28672,28673],{},"Параметри constraint:",[5194,28675,28676,28682,28688,28694],{},[5197,28677,28678,28681],{},[5204,28679,28680],{},"OnDelete:CASCADE"," — видалити пов'язані записи",[5197,28683,28684,28687],{},[5204,28685,28686],{},"OnDelete:SET NULL"," — встановити NULL у зовнішньому ключі",[5197,28689,28690,28693],{},[5204,28691,28692],{},"OnDelete:RESTRICT"," — заборонити видалення (за замовчуванням)",[5197,28695,28696,28699],{},[5204,28697,28698],{},"OnUpdate:CASCADE"," — оновити зовнішній ключ при зміні первинного",[5580,28701,28702,28705,28706,5603,28708,28710],{},[5229,28703,28704],{},"Каскадне видалення працює на рівні БД",", тому хуки GORM (",[5204,28707,15553],{},[5204,28709,15556],{},") не викликаються для пов'язаних записів. Якщо потрібна логіка при видаленні, обробляйте це вручну.",[5615,28712,28714],{"id":28713},"association-api-керування-звязками","Association API — керування зв'язками",[5266,28716,28717],{},"GORM надає методи для роботи зі зв'язками без написання SQL:",[5379,28719,28721],{"className":6376,"code":28720,"language":6232,"meta":5384,"style":5384},"\u002F\u002F Отримати зв'язок\nuser := User{ID: 1}\ndb.First(&user)\n\nvar posts []Post\ndb.Model(&user).Association(\"Posts\").Find(&posts)\n\u002F\u002F Завантажити всі пости користувача\n\n\u002F\u002F Підрахувати кількість пов'язаних записів\ncount := db.Model(&user).Association(\"Posts\").Count()\nlog.Printf(\"Користувач має %d постів\", count)\n\n\u002F\u002F Додати пов'язані записи\nnewPosts := []Post{\n    {Title: \"New Post 1\"},\n    {Title: \"New Post 2\"},\n}\ndb.Model(&user).Association(\"Posts\").Append(&newPosts)\n\u002F\u002F INSERT INTO posts (user_id, title) VALUES (1, 'New Post 1'), (1, 'New Post 2')\n\n\u002F\u002F Замінити всі пов'язані записи\ndb.Model(&user).Association(\"Posts\").Replace(&newPosts)\n\u002F\u002F Видалить старі пости та додасть нові\n\n\u002F\u002F Видалити конкретні пов'язані записи\ndb.Model(&user).Association(\"Posts\").Delete(&posts[0])\n\u002F\u002F DELETE FROM posts WHERE id = ? AND user_id = 1\n\n\u002F\u002F Очистити всі зв'язки\ndb.Model(&user).Association(\"Posts\").Clear()\n\u002F\u002F DELETE FROM posts WHERE user_id = 1\n",[5204,28722,28723,28728,28746,28760,28764,28776,28807,28812,28816,28821,28851,28875,28879,28884,28896,28910,28923,28927,28957,28962,28966,28971,29001,29006,29010,29015,29050,29055,29059,29064,29090],{"__ignoreMap":5384},[5388,28724,28725],{"class":5390,"line":5391},[5388,28726,28727],{"class":5936},"\u002F\u002F Отримати зв'язок\n",[5388,28729,28730,28732,28734,28736,28738,28740,28742,28744],{"class":5390,"line":5397},[5388,28731,7612],{"class":6384},[5388,28733,6388],{"class":5946},[5388,28735,7617],{"class":6425},[5388,28737,7559],{"class":5946},[5388,28739,7749],{"class":6384},[5388,28741,5947],{"class":5946},[5388,28743,7377],{"class":6853},[5388,28745,5711],{"class":5946},[5388,28747,28748,28750,28752,28754,28756,28758],{"class":5390,"line":5403},[5388,28749,6629],{"class":6384},[5388,28751,5555],{"class":5946},[5388,28753,14003],{"class":6086},[5388,28755,7742],{"class":5946},[5388,28757,7612],{"class":6384},[5388,28759,6405],{"class":5946},[5388,28761,28762],{"class":5390,"line":5409},[5388,28763,5413],{"emptyLinePlaceholder":5412},[5388,28765,28766,28768,28771,28773],{"class":5390,"line":5416},[5388,28767,10649],{"class":6096},[5388,28769,28770],{"class":6384}," posts",[5388,28772,10654],{"class":5946},[5388,28774,28775],{"class":6425},"Post\n",[5388,28777,28778,28780,28782,28784,28786,28788,28790,28792,28794,28796,28798,28800,28802,28805],{"class":5390,"line":5422},[5388,28779,6629],{"class":6384},[5388,28781,5555],{"class":5946},[5388,28783,14481],{"class":6086},[5388,28785,7742],{"class":5946},[5388,28787,7612],{"class":6384},[5388,28789,5827],{"class":5946},[5388,28791,15475],{"class":6086},[5388,28793,6399],{"class":5946},[5388,28795,15009],{"class":6038},[5388,28797,5827],{"class":5946},[5388,28799,14239],{"class":6086},[5388,28801,7742],{"class":5946},[5388,28803,28804],{"class":6384},"posts",[5388,28806,6405],{"class":5946},[5388,28808,28809],{"class":5390,"line":5428},[5388,28810,28811],{"class":5936},"\u002F\u002F Завантажити всі пости користувача\n",[5388,28813,28814],{"class":5390,"line":5434},[5388,28815,5413],{"emptyLinePlaceholder":5412},[5388,28817,28818],{"class":5390,"line":5439},[5388,28819,28820],{"class":5936},"\u002F\u002F Підрахувати кількість пов'язаних записів\n",[5388,28822,28823,28825,28827,28829,28831,28833,28835,28837,28839,28841,28843,28845,28847,28849],{"class":5390,"line":5445},[5388,28824,23435],{"class":6384},[5388,28826,6388],{"class":5946},[5388,28828,6629],{"class":6384},[5388,28830,5555],{"class":5946},[5388,28832,14481],{"class":6086},[5388,28834,7742],{"class":5946},[5388,28836,7612],{"class":6384},[5388,28838,5827],{"class":5946},[5388,28840,15475],{"class":6086},[5388,28842,6399],{"class":5946},[5388,28844,15009],{"class":6038},[5388,28846,5827],{"class":5946},[5388,28848,23430],{"class":6086},[5388,28850,6609],{"class":5946},[5388,28852,28853,28855,28857,28859,28861,28864,28866,28869,28871,28873],{"class":5390,"line":5451},[5388,28854,14861],{"class":6384},[5388,28856,5555],{"class":5946},[5388,28858,13877],{"class":6086},[5388,28860,6399],{"class":5946},[5388,28862,28863],{"class":6038},"\"Користувач має ",[5388,28865,8226],{"class":6384},[5388,28867,28868],{"class":6038}," постів\"",[5388,28870,5603],{"class":5946},[5388,28872,23435],{"class":6384},[5388,28874,6405],{"class":5946},[5388,28876,28877],{"class":5390,"line":5456},[5388,28878,5413],{"emptyLinePlaceholder":5412},[5388,28880,28881],{"class":5390,"line":5462},[5388,28882,28883],{"class":5936},"\u002F\u002F Додати пов'язані записи\n",[5388,28885,28886,28889,28892,28894],{"class":5390,"line":5468},[5388,28887,28888],{"class":6384},"newPosts",[5388,28890,28891],{"class":5946}," := []",[5388,28893,14924],{"class":6425},[5388,28895,13785],{"class":5946},[5388,28897,28898,28901,28903,28905,28908],{"class":5390,"line":5474},[5388,28899,28900],{"class":5946},"    {",[5388,28902,15068],{"class":6384},[5388,28904,5947],{"class":5946},[5388,28906,28907],{"class":6038},"\"New Post 1\"",[5388,28909,15284],{"class":5946},[5388,28911,28912,28914,28916,28918,28921],{"class":5390,"line":5480},[5388,28913,28900],{"class":5946},[5388,28915,15068],{"class":6384},[5388,28917,5947],{"class":5946},[5388,28919,28920],{"class":6038},"\"New Post 2\"",[5388,28922,15284],{"class":5946},[5388,28924,28925],{"class":5390,"line":5486},[5388,28926,5711],{"class":5946},[5388,28928,28929,28931,28933,28935,28937,28939,28941,28943,28945,28947,28949,28951,28953,28955],{"class":5390,"line":5491},[5388,28930,6629],{"class":6384},[5388,28932,5555],{"class":5946},[5388,28934,14481],{"class":6086},[5388,28936,7742],{"class":5946},[5388,28938,7612],{"class":6384},[5388,28940,5827],{"class":5946},[5388,28942,15475],{"class":6086},[5388,28944,6399],{"class":5946},[5388,28946,15009],{"class":6038},[5388,28948,5827],{"class":5946},[5388,28950,15485],{"class":6086},[5388,28952,7742],{"class":5946},[5388,28954,28888],{"class":6384},[5388,28956,6405],{"class":5946},[5388,28958,28959],{"class":5390,"line":5497},[5388,28960,28961],{"class":5936},"\u002F\u002F INSERT INTO posts (user_id, title) VALUES (1, 'New Post 1'), (1, 'New Post 2')\n",[5388,28963,28964],{"class":5390,"line":5502},[5388,28965,5413],{"emptyLinePlaceholder":5412},[5388,28967,28968],{"class":5390,"line":5508},[5388,28969,28970],{"class":5936},"\u002F\u002F Замінити всі пов'язані записи\n",[5388,28972,28973,28975,28977,28979,28981,28983,28985,28987,28989,28991,28993,28995,28997,28999],{"class":5390,"line":5513},[5388,28974,6629],{"class":6384},[5388,28976,5555],{"class":5946},[5388,28978,14481],{"class":6086},[5388,28980,7742],{"class":5946},[5388,28982,7612],{"class":6384},[5388,28984,5827],{"class":5946},[5388,28986,15475],{"class":6086},[5388,28988,6399],{"class":5946},[5388,28990,15009],{"class":6038},[5388,28992,5827],{"class":5946},[5388,28994,20765],{"class":6086},[5388,28996,7742],{"class":5946},[5388,28998,28888],{"class":6384},[5388,29000,6405],{"class":5946},[5388,29002,29003],{"class":5390,"line":5518},[5388,29004,29005],{"class":5936},"\u002F\u002F Видалить старі пости та додасть нові\n",[5388,29007,29008],{"class":5390,"line":5524},[5388,29009,5413],{"emptyLinePlaceholder":5412},[5388,29011,29012],{"class":5390,"line":5530},[5388,29013,29014],{"class":5936},"\u002F\u002F Видалити конкретні пов'язані записи\n",[5388,29016,29017,29019,29021,29023,29025,29027,29029,29031,29033,29035,29037,29039,29041,29043,29045,29047],{"class":5390,"line":5535},[5388,29018,6629],{"class":6384},[5388,29020,5555],{"class":5946},[5388,29022,14481],{"class":6086},[5388,29024,7742],{"class":5946},[5388,29026,7612],{"class":6384},[5388,29028,5827],{"class":5946},[5388,29030,15475],{"class":6086},[5388,29032,6399],{"class":5946},[5388,29034,15009],{"class":6038},[5388,29036,5827],{"class":5946},[5388,29038,9277],{"class":6086},[5388,29040,7742],{"class":5946},[5388,29042,28804],{"class":6384},[5388,29044,14535],{"class":5946},[5388,29046,9187],{"class":6853},[5388,29048,29049],{"class":5946},"])\n",[5388,29051,29052],{"class":5390,"line":5803},[5388,29053,29054],{"class":5936},"\u002F\u002F DELETE FROM posts WHERE id = ? AND user_id = 1\n",[5388,29056,29057],{"class":5390,"line":5808},[5388,29058,5413],{"emptyLinePlaceholder":5412},[5388,29060,29061],{"class":5390,"line":7649},[5388,29062,29063],{"class":5936},"\u002F\u002F Очистити всі зв'язки\n",[5388,29065,29066,29068,29070,29072,29074,29076,29078,29080,29082,29084,29086,29088],{"class":5390,"line":7654},[5388,29067,6629],{"class":6384},[5388,29069,5555],{"class":5946},[5388,29071,14481],{"class":6086},[5388,29073,7742],{"class":5946},[5388,29075,7612],{"class":6384},[5388,29077,5827],{"class":5946},[5388,29079,15475],{"class":6086},[5388,29081,6399],{"class":5946},[5388,29083,15009],{"class":6038},[5388,29085,5827],{"class":5946},[5388,29087,20770],{"class":6086},[5388,29089,6609],{"class":5946},[5388,29091,29092],{"class":5390,"line":7659},[5388,29093,29094],{"class":5936},"\u002F\u002F DELETE FROM posts WHERE user_id = 1\n",[5615,29096,29098],{"id":29097},"eager-loading-стратегії-preload-vs-joins","Eager Loading стратегії: Preload vs Joins",[5266,29100,29101],{},"Існує два способи завантаження пов'язаних даних:",[13762,29103,29105],{"id":29104},"_1-preload-окремі-запити","1. Preload — окремі запити",[5379,29107,29109],{"className":6376,"code":29108,"language":6232,"meta":5384,"style":5384},"var users []User\ndb.Preload(\"Posts\").Find(&users)\n\u002F\u002F SELECT * FROM users;\n\u002F\u002F SELECT * FROM posts WHERE user_id IN (1, 2, 3, ...);\n",[5204,29110,29111,29121,29143,29148],{"__ignoreMap":5384},[5388,29112,29113,29115,29117,29119],{"class":5390,"line":5391},[5388,29114,10649],{"class":6096},[5388,29116,8502],{"class":6384},[5388,29118,10654],{"class":5946},[5388,29120,8508],{"class":6425},[5388,29122,29123,29125,29127,29129,29131,29133,29135,29137,29139,29141],{"class":5390,"line":5397},[5388,29124,6629],{"class":6384},[5388,29126,5555],{"class":5946},[5388,29128,14837],{"class":6086},[5388,29130,6399],{"class":5946},[5388,29132,15009],{"class":6038},[5388,29134,5827],{"class":5946},[5388,29136,14239],{"class":6086},[5388,29138,7742],{"class":5946},[5388,29140,8643],{"class":6384},[5388,29142,6405],{"class":5946},[5388,29144,29145],{"class":5390,"line":5403},[5388,29146,29147],{"class":5936},"\u002F\u002F SELECT * FROM users;\n",[5388,29149,29150],{"class":5390,"line":5409},[5388,29151,29152],{"class":5936},"\u002F\u002F SELECT * FROM posts WHERE user_id IN (1, 2, 3, ...);\n",[5266,29154,29155],{},[5229,29156,18986],{},[5194,29158,29159,29162,29165],{},[5197,29160,29161],{},"Простота та гнучкість.",[5197,29163,29164],{},"Працює для всіх типів зв'язків (1:1, 1:N, N:M).",[5197,29166,29167],{},"Можна фільтрувати завантажені дані.",[5266,29169,29170],{},[5229,29171,19033],{},[5194,29173,29174,29177],{},[5197,29175,29176],{},"Виконує кілька запитів (N+1 за умови без умов).",[5197,29178,29179],{},"Більше мережевих round-trips.",[13762,29181,29183],{"id":29182},"_2-joins-одні-запит-з-join","2. Joins — одні запит з JOIN",[5379,29185,29187],{"className":6376,"code":29186,"language":6232,"meta":5384,"style":5384},"var users []User\ndb.Joins(\"Posts\").Find(&users)\n\u002F\u002F SELECT users.*, posts.* FROM users\n\u002F\u002F LEFT JOIN posts ON posts.user_id = users.id\n",[5204,29188,29189,29199,29222,29227],{"__ignoreMap":5384},[5388,29190,29191,29193,29195,29197],{"class":5390,"line":5391},[5388,29192,10649],{"class":6096},[5388,29194,8502],{"class":6384},[5388,29196,10654],{"class":5946},[5388,29198,8508],{"class":6425},[5388,29200,29201,29203,29205,29208,29210,29212,29214,29216,29218,29220],{"class":5390,"line":5397},[5388,29202,6629],{"class":6384},[5388,29204,5555],{"class":5946},[5388,29206,29207],{"class":6086},"Joins",[5388,29209,6399],{"class":5946},[5388,29211,15009],{"class":6038},[5388,29213,5827],{"class":5946},[5388,29215,14239],{"class":6086},[5388,29217,7742],{"class":5946},[5388,29219,8643],{"class":6384},[5388,29221,6405],{"class":5946},[5388,29223,29224],{"class":5390,"line":5403},[5388,29225,29226],{"class":5936},"\u002F\u002F SELECT users.*, posts.* FROM users\n",[5388,29228,29229],{"class":5390,"line":5409},[5388,29230,29231],{"class":5936},"\u002F\u002F LEFT JOIN posts ON posts.user_id = users.id\n",[5266,29233,29234],{},[5229,29235,18986],{},[5194,29237,29238,29241],{},[5197,29239,29240],{},"Один SQL-запит.",[5197,29242,29243],{},"Швидше для невеликих datasets.",[5266,29245,29246],{},[5229,29247,19033],{},[5194,29249,29250,29253,29256],{},[5197,29251,29252],{},"Дублювання даних (кожен User повторюється для кожного Post).",[5197,29254,29255],{},"Не працює для N:M без додаткових налаштувань.",[5197,29257,29258],{},"Складніше фільтрувати пов'язані дані.",[5841,29260,29261,29265,29277],{},[5266,29262,29263],{},[5229,29264,19158],{},[5194,29266,29267,29272],{},[5197,29268,29269,29271],{},[5229,29270,14837],{}," — коли завантажується багато пов'язаних записів (1:N, N:M).",[5197,29273,29274,29276],{},[5229,29275,29207],{}," — коли потрібна фільтрація за пов'язаними даними у WHERE.",[5379,29278,29280],{"className":6376,"code":29279,"language":6232,"meta":5384,"style":5384},"\u002F\u002F Знайти користувачів з опублікованими постами\ndb.Joins(\"Posts\").Where(\"posts.status = ?\", \"published\").Find(&users)\n",[5204,29281,29282,29287],{"__ignoreMap":5384},[5388,29283,29284],{"class":5390,"line":5391},[5388,29285,29286],{"class":5936},"\u002F\u002F Знайти користувачів з опублікованими постами\n",[5388,29288,29289,29291,29293,29295,29297,29299,29301,29303,29305,29308,29310,29313,29315,29317,29319,29321],{"class":5390,"line":5397},[5388,29290,6629],{"class":6384},[5388,29292,5555],{"class":5946},[5388,29294,29207],{"class":6086},[5388,29296,6399],{"class":5946},[5388,29298,15009],{"class":6038},[5388,29300,5827],{"class":5946},[5388,29302,14187],{"class":6086},[5388,29304,6399],{"class":5946},[5388,29306,29307],{"class":6038},"\"posts.status = ?\"",[5388,29309,5603],{"class":5946},[5388,29311,29312],{"class":6038},"\"published\"",[5388,29314,5827],{"class":5946},[5388,29316,14239],{"class":6086},[5388,29318,7742],{"class":5946},[5388,29320,8643],{"class":6384},[5388,29322,6405],{"class":5946},[5615,29324,29326],{"id":29325},"вкладене-preload","Вкладене Preload",[5379,29328,29330],{"className":6376,"code":29329,"language":6232,"meta":5384,"style":5384},"\u002F\u002F Завантажити користувачів, їхні пости та коментарі до постів\ndb.Preload(\"Posts.Comments\").Find(&users)\n\u002F\u002F SELECT * FROM users;\n\u002F\u002F SELECT * FROM posts WHERE user_id IN (...);\n\u002F\u002F SELECT * FROM comments WHERE post_id IN (...);\n\n\u002F\u002F Вкладене з умовами\ndb.Preload(\"Posts\", \"status = ?\", \"published\").\n   Preload(\"Posts.Comments\", func(db *gorm.DB) *gorm.DB {\n       return db.Order(\"created_at DESC\").Limit(5)\n   }).\n   Find(&users)\n",[5204,29331,29332,29337,29359,29363,29368,29373,29377,29382,29404,29438,29463,29468],{"__ignoreMap":5384},[5388,29333,29334],{"class":5390,"line":5391},[5388,29335,29336],{"class":5936},"\u002F\u002F Завантажити користувачів, їхні пости та коментарі до постів\n",[5388,29338,29339,29341,29343,29345,29347,29349,29351,29353,29355,29357],{"class":5390,"line":5397},[5388,29340,6629],{"class":6384},[5388,29342,5555],{"class":5946},[5388,29344,14837],{"class":6086},[5388,29346,6399],{"class":5946},[5388,29348,21248],{"class":6038},[5388,29350,5827],{"class":5946},[5388,29352,14239],{"class":6086},[5388,29354,7742],{"class":5946},[5388,29356,8643],{"class":6384},[5388,29358,6405],{"class":5946},[5388,29360,29361],{"class":5390,"line":5403},[5388,29362,29147],{"class":5936},[5388,29364,29365],{"class":5390,"line":5409},[5388,29366,29367],{"class":5936},"\u002F\u002F SELECT * FROM posts WHERE user_id IN (...);\n",[5388,29369,29370],{"class":5390,"line":5416},[5388,29371,29372],{"class":5936},"\u002F\u002F SELECT * FROM comments WHERE post_id IN (...);\n",[5388,29374,29375],{"class":5390,"line":5422},[5388,29376,5413],{"emptyLinePlaceholder":5412},[5388,29378,29379],{"class":5390,"line":5428},[5388,29380,29381],{"class":5936},"\u002F\u002F Вкладене з умовами\n",[5388,29383,29384,29386,29388,29390,29392,29394,29396,29398,29400,29402],{"class":5390,"line":5434},[5388,29385,6629],{"class":6384},[5388,29387,5555],{"class":5946},[5388,29389,14837],{"class":6086},[5388,29391,6399],{"class":5946},[5388,29393,15009],{"class":6038},[5388,29395,5603],{"class":5946},[5388,29397,22428],{"class":6038},[5388,29399,5603],{"class":5946},[5388,29401,29312],{"class":6038},[5388,29403,14395],{"class":5946},[5388,29405,29406,29408,29410,29412,29414,29416,29418,29420,29422,29424,29426,29428,29430,29432,29434,29436],{"class":5390,"line":5439},[5388,29407,21255],{"class":6086},[5388,29409,6399],{"class":5946},[5388,29411,21248],{"class":6038},[5388,29413,5603],{"class":5946},[5388,29415,6483],{"class":6096},[5388,29417,6399],{"class":5946},[5388,29419,6629],{"class":6384},[5388,29421,7036],{"class":5946},[5388,29423,13228],{"class":6425},[5388,29425,5555],{"class":5946},[5388,29427,7043],{"class":6425},[5388,29429,7542],{"class":5946},[5388,29431,13228],{"class":6425},[5388,29433,5555],{"class":5946},[5388,29435,7043],{"class":6425},[5388,29437,6561],{"class":5946},[5388,29439,29440,29443,29445,29447,29449,29451,29453,29455,29457,29459,29461],{"class":5390,"line":5445},[5388,29441,29442],{"class":6435},"       return",[5388,29444,6601],{"class":6384},[5388,29446,5555],{"class":5946},[5388,29448,22919],{"class":6086},[5388,29450,6399],{"class":5946},[5388,29452,14392],{"class":6038},[5388,29454,5827],{"class":5946},[5388,29456,23098],{"class":6086},[5388,29458,6399],{"class":5946},[5388,29460,6904],{"class":6853},[5388,29462,6405],{"class":5946},[5388,29464,29465],{"class":5390,"line":5451},[5388,29466,29467],{"class":5946},"   }).\n",[5388,29469,29470,29472,29474,29476],{"class":5390,"line":5456},[5388,29471,14411],{"class":6086},[5388,29473,7742],{"class":5946},[5388,29475,8643],{"class":6384},[5388,29477,6405],{"class":5946},[5615,29479,29481],{"id":29480},"preload-з-умовами","Preload з умовами",[5379,29483,29485],{"className":6376,"code":29484,"language":6232,"meta":5384,"style":5384},"\u002F\u002F Завантажити лише опубліковані пости\ndb.Preload(\"Posts\", \"status = ?\", \"published\").Find(&users)\n\n\u002F\u002F Через функцію\ndb.Preload(\"Posts\", func(db *gorm.DB) *gorm.DB {\n    return db.Where(\"status = ?\", \"published\").Order(\"created_at DESC\")\n}).Find(&users)\n",[5204,29486,29487,29492,29522,29526,29531,29569,29597],{"__ignoreMap":5384},[5388,29488,29489],{"class":5390,"line":5391},[5388,29490,29491],{"class":5936},"\u002F\u002F Завантажити лише опубліковані пости\n",[5388,29493,29494,29496,29498,29500,29502,29504,29506,29508,29510,29512,29514,29516,29518,29520],{"class":5390,"line":5397},[5388,29495,6629],{"class":6384},[5388,29497,5555],{"class":5946},[5388,29499,14837],{"class":6086},[5388,29501,6399],{"class":5946},[5388,29503,15009],{"class":6038},[5388,29505,5603],{"class":5946},[5388,29507,22428],{"class":6038},[5388,29509,5603],{"class":5946},[5388,29511,29312],{"class":6038},[5388,29513,5827],{"class":5946},[5388,29515,14239],{"class":6086},[5388,29517,7742],{"class":5946},[5388,29519,8643],{"class":6384},[5388,29521,6405],{"class":5946},[5388,29523,29524],{"class":5390,"line":5403},[5388,29525,5413],{"emptyLinePlaceholder":5412},[5388,29527,29528],{"class":5390,"line":5409},[5388,29529,29530],{"class":5936},"\u002F\u002F Через функцію\n",[5388,29532,29533,29535,29537,29539,29541,29543,29545,29547,29549,29551,29553,29555,29557,29559,29561,29563,29565,29567],{"class":5390,"line":5416},[5388,29534,6629],{"class":6384},[5388,29536,5555],{"class":5946},[5388,29538,14837],{"class":6086},[5388,29540,6399],{"class":5946},[5388,29542,15009],{"class":6038},[5388,29544,5603],{"class":5946},[5388,29546,6483],{"class":6096},[5388,29548,6399],{"class":5946},[5388,29550,6629],{"class":6384},[5388,29552,7036],{"class":5946},[5388,29554,13228],{"class":6425},[5388,29556,5555],{"class":5946},[5388,29558,7043],{"class":6425},[5388,29560,7542],{"class":5946},[5388,29562,13228],{"class":6425},[5388,29564,5555],{"class":5946},[5388,29566,7043],{"class":6425},[5388,29568,6561],{"class":5946},[5388,29570,29571,29573,29575,29577,29579,29581,29583,29585,29587,29589,29591,29593,29595],{"class":5390,"line":5422},[5388,29572,7198],{"class":6435},[5388,29574,6601],{"class":6384},[5388,29576,5555],{"class":5946},[5388,29578,14187],{"class":6086},[5388,29580,6399],{"class":5946},[5388,29582,22428],{"class":6038},[5388,29584,5603],{"class":5946},[5388,29586,29312],{"class":6038},[5388,29588,5827],{"class":5946},[5388,29590,22919],{"class":6086},[5388,29592,6399],{"class":5946},[5388,29594,14392],{"class":6038},[5388,29596,6405],{"class":5946},[5388,29598,29599,29601,29603,29605,29607],{"class":5390,"line":5428},[5388,29600,21916],{"class":5946},[5388,29602,14239],{"class":6086},[5388,29604,7742],{"class":5946},[5388,29606,8643],{"class":6384},[5388,29608,6405],{"class":5946},[5615,29610,29612],{"id":29611},"поліморфні-звязки","Поліморфні зв'язки",[5266,29614,29615],{},"Поліморфні зв'язки дозволяють моделі належати до кількох різних типів:",[5379,29617,29619],{"className":6376,"code":29618,"language":6232,"meta":5384,"style":5384},"\u002F\u002F Коментарі можуть належати до Post або Video\ntype Comment struct {\n    ID            uint\n    Body          string\n    CommentableID uint   \u002F\u002F ID записи\n    CommentableType string \u002F\u002F Тип: \"Post\" або \"Video\"\n}\n\ntype Post struct {\n    ID       uint\n    Title    string\n    Comments []Comment `gorm:\"polymorphic:Commentable;\"`\n}\n\ntype Video struct {\n    ID       uint\n    URL      string\n    Comments []Comment `gorm:\"polymorphic:Commentable;\"`\n}\n\n\u002F\u002F Використання:\npost := Post{Title: \"My Post\"}\ndb.Create(&post)\n\ncomment := Comment{\n    Body:            \"Great post!\",\n    CommentableID:   post.ID,\n    CommentableType: \"Post\",\n}\ndb.Create(&comment)\n\n\u002F\u002F Завантаження коментарів\ndb.Preload(\"Comments\").First(&post, post.ID)\n",[5204,29620,29621,29626,29637,29644,29651,29661,29671,29675,29679,29689,29695,29701,29714,29718,29722,29733,29739,29746,29756,29760,29764,29768,29787,29801,29805,29816,29828,29842,29853,29857,29871,29875,29880],{"__ignoreMap":5384},[5388,29622,29623],{"class":5390,"line":5391},[5388,29624,29625],{"class":5936},"\u002F\u002F Коментарі можуть належати до Post або Video\n",[5388,29627,29628,29630,29633,29635],{"class":5390,"line":5397},[5388,29629,7440],{"class":6096},[5388,29631,29632],{"class":6425}," Comment",[5388,29634,7446],{"class":6096},[5388,29636,6561],{"class":5946},[5388,29638,29639,29641],{"class":5390,"line":5403},[5388,29640,7453],{"class":6384},[5388,29642,29643],{"class":6425},"            uint\n",[5388,29645,29646,29648],{"class":5390,"line":5409},[5388,29647,14973],{"class":6384},[5388,29649,29650],{"class":6425},"          string\n",[5388,29652,29653,29656,29658],{"class":5390,"line":5416},[5388,29654,29655],{"class":6384},"    CommentableID",[5388,29657,16665],{"class":6425},[5388,29659,29660],{"class":5936},"   \u002F\u002F ID записи\n",[5388,29662,29663,29666,29668],{"class":5390,"line":5422},[5388,29664,29665],{"class":6384},"    CommentableType",[5388,29667,9935],{"class":6425},[5388,29669,29670],{"class":5936}," \u002F\u002F Тип: \"Post\" або \"Video\"\n",[5388,29672,29673],{"class":5390,"line":5428},[5388,29674,5711],{"class":5946},[5388,29676,29677],{"class":5390,"line":5434},[5388,29678,5413],{"emptyLinePlaceholder":5412},[5388,29680,29681,29683,29685,29687],{"class":5390,"line":5439},[5388,29682,7440],{"class":6096},[5388,29684,14942],{"class":6425},[5388,29686,7446],{"class":6096},[5388,29688,6561],{"class":5946},[5388,29690,29691,29693],{"class":5390,"line":5445},[5388,29692,7453],{"class":6384},[5388,29694,15168],{"class":6425},[5388,29696,29697,29699],{"class":5390,"line":5451},[5388,29698,14965],{"class":6384},[5388,29700,15126],{"class":6425},[5388,29702,29703,29706,29708,29711],{"class":5390,"line":5456},[5388,29704,29705],{"class":6384},"    Comments",[5388,29707,10654],{"class":5946},[5388,29709,29710],{"class":6425},"Comment",[5388,29712,29713],{"class":6038}," `gorm:\"polymorphic:Commentable;\"`\n",[5388,29715,29716],{"class":5390,"line":5462},[5388,29717,5711],{"class":5946},[5388,29719,29720],{"class":5390,"line":5468},[5388,29721,5413],{"emptyLinePlaceholder":5412},[5388,29723,29724,29726,29729,29731],{"class":5390,"line":5474},[5388,29725,7440],{"class":6096},[5388,29727,29728],{"class":6425}," Video",[5388,29730,7446],{"class":6096},[5388,29732,6561],{"class":5946},[5388,29734,29735,29737],{"class":5390,"line":5480},[5388,29736,7453],{"class":6384},[5388,29738,15168],{"class":6425},[5388,29740,29741,29744],{"class":5390,"line":5486},[5388,29742,29743],{"class":6384},"    URL",[5388,29745,17964],{"class":6425},[5388,29747,29748,29750,29752,29754],{"class":5390,"line":5491},[5388,29749,29705],{"class":6384},[5388,29751,10654],{"class":5946},[5388,29753,29710],{"class":6425},[5388,29755,29713],{"class":6038},[5388,29757,29758],{"class":5390,"line":5497},[5388,29759,5711],{"class":5946},[5388,29761,29762],{"class":5390,"line":5502},[5388,29763,5413],{"emptyLinePlaceholder":5412},[5388,29765,29766],{"class":5390,"line":5508},[5388,29767,16007],{"class":5936},[5388,29769,29770,29772,29774,29776,29778,29780,29782,29785],{"class":5390,"line":5513},[5388,29771,15038],{"class":6384},[5388,29773,6388],{"class":5946},[5388,29775,14924],{"class":6425},[5388,29777,7559],{"class":5946},[5388,29779,15068],{"class":6384},[5388,29781,5947],{"class":5946},[5388,29783,29784],{"class":6038},"\"My Post\"",[5388,29786,5711],{"class":5946},[5388,29788,29789,29791,29793,29795,29797,29799],{"class":5390,"line":5518},[5388,29790,6629],{"class":6384},[5388,29792,5555],{"class":5946},[5388,29794,7594],{"class":6086},[5388,29796,7742],{"class":5946},[5388,29798,15038],{"class":6384},[5388,29800,6405],{"class":5946},[5388,29802,29803],{"class":5390,"line":5524},[5388,29804,5413],{"emptyLinePlaceholder":5412},[5388,29806,29807,29810,29812,29814],{"class":5390,"line":5530},[5388,29808,29809],{"class":6384},"comment",[5388,29811,6388],{"class":5946},[5388,29813,29710],{"class":6425},[5388,29815,13785],{"class":5946},[5388,29817,29818,29820,29823,29826],{"class":5390,"line":5535},[5388,29819,14973],{"class":6384},[5388,29821,29822],{"class":5946},":            ",[5388,29824,29825],{"class":6038},"\"Great post!\"",[5388,29827,7693],{"class":5946},[5388,29829,29830,29832,29834,29836,29838,29840],{"class":5390,"line":5803},[5388,29831,29655],{"class":6384},[5388,29833,16241],{"class":5946},[5388,29835,15038],{"class":6384},[5388,29837,5555],{"class":5946},[5388,29839,7749],{"class":6384},[5388,29841,7693],{"class":5946},[5388,29843,29844,29846,29848,29851],{"class":5390,"line":5808},[5388,29845,29665],{"class":6384},[5388,29847,5947],{"class":5946},[5388,29849,29850],{"class":6038},"\"Post\"",[5388,29852,7693],{"class":5946},[5388,29854,29855],{"class":5390,"line":7649},[5388,29856,5711],{"class":5946},[5388,29858,29859,29861,29863,29865,29867,29869],{"class":5390,"line":7654},[5388,29860,6629],{"class":6384},[5388,29862,5555],{"class":5946},[5388,29864,7594],{"class":6086},[5388,29866,7742],{"class":5946},[5388,29868,29809],{"class":6384},[5388,29870,6405],{"class":5946},[5388,29872,29873],{"class":5390,"line":7659},[5388,29874,5413],{"emptyLinePlaceholder":5412},[5388,29876,29877],{"class":5390,"line":7665},[5388,29878,29879],{"class":5936},"\u002F\u002F Завантаження коментарів\n",[5388,29881,29882,29884,29886,29888,29890,29893,29895,29897,29899,29901,29903,29905,29907,29909],{"class":5390,"line":7696},[5388,29883,6629],{"class":6384},[5388,29885,5555],{"class":5946},[5388,29887,14837],{"class":6086},[5388,29889,6399],{"class":5946},[5388,29891,29892],{"class":6038},"\"Comments\"",[5388,29894,5827],{"class":5946},[5388,29896,14003],{"class":6086},[5388,29898,7742],{"class":5946},[5388,29900,15038],{"class":6384},[5388,29902,5603],{"class":5946},[5388,29904,15038],{"class":6384},[5388,29906,5555],{"class":5946},[5388,29908,7749],{"class":6384},[5388,29910,6405],{"class":5946},[5266,29912,29913],{},[5229,29914,29915],{},"Налаштування поліморфних зв'язків:",[5379,29917,29919],{"className":6376,"code":29918,"language":6232,"meta":5384,"style":5384},"type Comment struct {\n    ID         uint\n    Body       string\n    OwnerID    uint   `gorm:\"index\"` \u002F\u002F Перевизначена назва\n    OwnerType  string `gorm:\"index\"`\n}\n\ntype Post struct {\n    Comments []Comment `gorm:\"polymorphic:Owner;polymorphicValue:post\"`\n    \u002F\u002F polymorphicValue: OwnerType буде \"post\" замість \"Post\"\n}\n",[5204,29920,29921,29931,29937,29943,29956,29965,29969,29973,29983,29994,29999],{"__ignoreMap":5384},[5388,29922,29923,29925,29927,29929],{"class":5390,"line":5391},[5388,29924,7440],{"class":6096},[5388,29926,29632],{"class":6425},[5388,29928,7446],{"class":6096},[5388,29930,6561],{"class":5946},[5388,29932,29933,29935],{"class":5390,"line":5397},[5388,29934,7453],{"class":6384},[5388,29936,18307],{"class":6425},[5388,29938,29939,29941],{"class":5390,"line":5403},[5388,29940,14973],{"class":6384},[5388,29942,17414],{"class":6425},[5388,29944,29945,29947,29950,29953],{"class":5390,"line":5409},[5388,29946,28497],{"class":6384},[5388,29948,29949],{"class":6425},"    uint",[5388,29951,29952],{"class":6038},"   `gorm:\"index\"`",[5388,29954,29955],{"class":5936}," \u002F\u002F Перевизначена назва\n",[5388,29957,29958,29961,29963],{"class":5390,"line":5416},[5388,29959,29960],{"class":6384},"    OwnerType",[5388,29962,16932],{"class":6425},[5388,29964,17251],{"class":6038},[5388,29966,29967],{"class":5390,"line":5422},[5388,29968,5711],{"class":5946},[5388,29970,29971],{"class":5390,"line":5428},[5388,29972,5413],{"emptyLinePlaceholder":5412},[5388,29974,29975,29977,29979,29981],{"class":5390,"line":5434},[5388,29976,7440],{"class":6096},[5388,29978,14942],{"class":6425},[5388,29980,7446],{"class":6096},[5388,29982,6561],{"class":5946},[5388,29984,29985,29987,29989,29991],{"class":5390,"line":5439},[5388,29986,29705],{"class":6384},[5388,29988,10654],{"class":5946},[5388,29990,29710],{"class":6425},[5388,29992,29993],{"class":6038}," `gorm:\"polymorphic:Owner;polymorphicValue:post\"`\n",[5388,29995,29996],{"class":5390,"line":5445},[5388,29997,29998],{"class":5936},"    \u002F\u002F polymorphicValue: OwnerType буде \"post\" замість \"Post\"\n",[5388,30000,30001],{"class":5390,"line":5451},[5388,30002,5711],{"class":5946},[5615,30004,30006],{"id":30005},"self-referencing-ієрархії-та-дерева","Self-Referencing — ієрархії та дерева",[5379,30008,30010],{"className":6376,"code":30009,"language":6232,"meta":5384,"style":5384},"\u002F\u002F Категорії з підкатегоріями\ntype Category struct {\n    ID         uint\n    Name       string\n    ParentID   *uint       \u002F\u002F Nullable foreign key\n    Parent     *Category   `gorm:\"foreignKey:ParentID\"`\n    Children   []Category  `gorm:\"foreignKey:ParentID\"`\n}\n\n\u002F\u002F Використання:\nelectronics := Category{Name: \"Електроніка\"}\ndb.Create(&electronics)\n\nsmartphones := Category{\n    Name:     \"Смартфони\",\n    ParentID: &electronics.ID,\n}\ndb.Create(&smartphones)\n\n\u002F\u002F Завантаження з підкатегоріями\nvar category Category\ndb.Preload(\"Children\").First(&category, electronics.ID)\n\nfor _, child := range category.Children {\n    log.Println(child.Name) \u002F\u002F Смартфони, Ноутбуки, ...\n}\n\n\u002F\u002F Завантаження батьківської категорії\ndb.Preload(\"Parent\").First(&category, smartphones.ID)\nlog.Println(category.Parent.Name) \u002F\u002F Електроніка\n",[5204,30011,30012,30017,30028,30034,30040,30053,30067,30080,30084,30088,30092,30112,30126,30130,30141,30152,30167,30171,30185,30189,30194,30204,30236,30240,30264,30285,30289,30293,30298,30329],{"__ignoreMap":5384},[5388,30013,30014],{"class":5390,"line":5391},[5388,30015,30016],{"class":5936},"\u002F\u002F Категорії з підкатегоріями\n",[5388,30018,30019,30021,30024,30026],{"class":5390,"line":5397},[5388,30020,7440],{"class":6096},[5388,30022,30023],{"class":6425}," Category",[5388,30025,7446],{"class":6096},[5388,30027,6561],{"class":5946},[5388,30029,30030,30032],{"class":5390,"line":5403},[5388,30031,7453],{"class":6384},[5388,30033,18307],{"class":6425},[5388,30035,30036,30038],{"class":5390,"line":5409},[5388,30037,15123],{"class":6384},[5388,30039,17414],{"class":6425},[5388,30041,30042,30045,30048,30050],{"class":5390,"line":5416},[5388,30043,30044],{"class":6384},"    ParentID",[5388,30046,30047],{"class":5946},"   *",[5388,30049,16794],{"class":6425},[5388,30051,30052],{"class":5936},"       \u002F\u002F Nullable foreign key\n",[5388,30054,30055,30058,30061,30064],{"class":5390,"line":5422},[5388,30056,30057],{"class":6384},"    Parent",[5388,30059,30060],{"class":5946},"     *",[5388,30062,30063],{"class":6425},"Category",[5388,30065,30066],{"class":6038},"   `gorm:\"foreignKey:ParentID\"`\n",[5388,30068,30069,30072,30075,30077],{"class":5390,"line":5428},[5388,30070,30071],{"class":6384},"    Children",[5388,30073,30074],{"class":5946},"   []",[5388,30076,30063],{"class":6425},[5388,30078,30079],{"class":6038},"  `gorm:\"foreignKey:ParentID\"`\n",[5388,30081,30082],{"class":5390,"line":5434},[5388,30083,5711],{"class":5946},[5388,30085,30086],{"class":5390,"line":5439},[5388,30087,5413],{"emptyLinePlaceholder":5412},[5388,30089,30090],{"class":5390,"line":5445},[5388,30091,16007],{"class":5936},[5388,30093,30094,30097,30099,30101,30103,30105,30107,30110],{"class":5390,"line":5451},[5388,30095,30096],{"class":6384},"electronics",[5388,30098,6388],{"class":5946},[5388,30100,30063],{"class":6425},[5388,30102,7559],{"class":5946},[5388,30104,18763],{"class":6384},[5388,30106,5947],{"class":5946},[5388,30108,30109],{"class":6038},"\"Електроніка\"",[5388,30111,5711],{"class":5946},[5388,30113,30114,30116,30118,30120,30122,30124],{"class":5390,"line":5456},[5388,30115,6629],{"class":6384},[5388,30117,5555],{"class":5946},[5388,30119,7594],{"class":6086},[5388,30121,7742],{"class":5946},[5388,30123,30096],{"class":6384},[5388,30125,6405],{"class":5946},[5388,30127,30128],{"class":5390,"line":5462},[5388,30129,5413],{"emptyLinePlaceholder":5412},[5388,30131,30132,30135,30137,30139],{"class":5390,"line":5468},[5388,30133,30134],{"class":6384},"smartphones",[5388,30136,6388],{"class":5946},[5388,30138,30063],{"class":6425},[5388,30140,13785],{"class":5946},[5388,30142,30143,30145,30147,30150],{"class":5390,"line":5474},[5388,30144,15123],{"class":6384},[5388,30146,13815],{"class":5946},[5388,30148,30149],{"class":6038},"\"Смартфони\"",[5388,30151,7693],{"class":5946},[5388,30153,30154,30156,30159,30161,30163,30165],{"class":5390,"line":5480},[5388,30155,30044],{"class":6384},[5388,30157,30158],{"class":5946},": &",[5388,30160,30096],{"class":6384},[5388,30162,5555],{"class":5946},[5388,30164,7749],{"class":6384},[5388,30166,7693],{"class":5946},[5388,30168,30169],{"class":5390,"line":5486},[5388,30170,5711],{"class":5946},[5388,30172,30173,30175,30177,30179,30181,30183],{"class":5390,"line":5491},[5388,30174,6629],{"class":6384},[5388,30176,5555],{"class":5946},[5388,30178,7594],{"class":6086},[5388,30180,7742],{"class":5946},[5388,30182,30134],{"class":6384},[5388,30184,6405],{"class":5946},[5388,30186,30187],{"class":5390,"line":5497},[5388,30188,5413],{"emptyLinePlaceholder":5412},[5388,30190,30191],{"class":5390,"line":5502},[5388,30192,30193],{"class":5936},"\u002F\u002F Завантаження з підкатегоріями\n",[5388,30195,30196,30198,30201],{"class":5390,"line":5508},[5388,30197,10649],{"class":6096},[5388,30199,30200],{"class":6384}," category",[5388,30202,30203],{"class":6425}," Category\n",[5388,30205,30206,30208,30210,30212,30214,30217,30219,30221,30223,30226,30228,30230,30232,30234],{"class":5390,"line":5513},[5388,30207,6629],{"class":6384},[5388,30209,5555],{"class":5946},[5388,30211,14837],{"class":6086},[5388,30213,6399],{"class":5946},[5388,30215,30216],{"class":6038},"\"Children\"",[5388,30218,5827],{"class":5946},[5388,30220,14003],{"class":6086},[5388,30222,7742],{"class":5946},[5388,30224,30225],{"class":6384},"category",[5388,30227,5603],{"class":5946},[5388,30229,30096],{"class":6384},[5388,30231,5555],{"class":5946},[5388,30233,7749],{"class":6384},[5388,30235,6405],{"class":5946},[5388,30237,30238],{"class":5390,"line":5518},[5388,30239,5413],{"emptyLinePlaceholder":5412},[5388,30241,30242,30244,30246,30248,30251,30253,30255,30257,30259,30262],{"class":5390,"line":5524},[5388,30243,8877],{"class":6435},[5388,30245,14256],{"class":6384},[5388,30247,5603],{"class":5946},[5388,30249,30250],{"class":6384},"child",[5388,30252,6388],{"class":5946},[5388,30254,14266],{"class":6435},[5388,30256,30200],{"class":6384},[5388,30258,5555],{"class":5946},[5388,30260,30261],{"class":6384},"Children",[5388,30263,6561],{"class":5946},[5388,30265,30266,30268,30270,30272,30274,30276,30278,30280,30282],{"class":5390,"line":5530},[5388,30267,9869],{"class":6384},[5388,30269,5555],{"class":5946},[5388,30271,6686],{"class":6086},[5388,30273,6399],{"class":5946},[5388,30275,30250],{"class":6384},[5388,30277,5555],{"class":5946},[5388,30279,18763],{"class":6384},[5388,30281,7046],{"class":5946},[5388,30283,30284],{"class":5936},"\u002F\u002F Смартфони, Ноутбуки, ...\n",[5388,30286,30287],{"class":5390,"line":5535},[5388,30288,5711],{"class":5946},[5388,30290,30291],{"class":5390,"line":5803},[5388,30292,5413],{"emptyLinePlaceholder":5412},[5388,30294,30295],{"class":5390,"line":5808},[5388,30296,30297],{"class":5936},"\u002F\u002F Завантаження батьківської категорії\n",[5388,30299,30300,30302,30304,30306,30308,30311,30313,30315,30317,30319,30321,30323,30325,30327],{"class":5390,"line":7649},[5388,30301,6629],{"class":6384},[5388,30303,5555],{"class":5946},[5388,30305,14837],{"class":6086},[5388,30307,6399],{"class":5946},[5388,30309,30310],{"class":6038},"\"Parent\"",[5388,30312,5827],{"class":5946},[5388,30314,14003],{"class":6086},[5388,30316,7742],{"class":5946},[5388,30318,30225],{"class":6384},[5388,30320,5603],{"class":5946},[5388,30322,30134],{"class":6384},[5388,30324,5555],{"class":5946},[5388,30326,7749],{"class":6384},[5388,30328,6405],{"class":5946},[5388,30330,30331,30333,30335,30337,30339,30341,30343,30346,30348,30350,30352],{"class":5390,"line":7654},[5388,30332,14861],{"class":6384},[5388,30334,5555],{"class":5946},[5388,30336,6686],{"class":6086},[5388,30338,6399],{"class":5946},[5388,30340,30225],{"class":6384},[5388,30342,5555],{"class":5946},[5388,30344,30345],{"class":6384},"Parent",[5388,30347,5555],{"class":5946},[5388,30349,18763],{"class":6384},[5388,30351,7046],{"class":5946},[5388,30353,30354],{"class":5936},"\u002F\u002F Електроніка\n",[5350,30356,30357,30360,30362,30363,6365,30366,5827],{},[5229,30358,30359],{},"Обмеження Self-Referencing:",[6727,30361],{},"\nGORM не підтримує рекурсивне завантаження всього дерева одним запитом. Для глибоких ієрархій потрібно завантажувати рівні вручну або використовувати спеціалізовані пакети (наприклад, ",[5204,30364,30365],{},"closure table",[5204,30367,30368],{},"materialized path",[5615,30370,30372],{"id":30371},"many-to-many-з-додатковими-полями","Many-to-Many з додатковими полями",[5266,30374,30375],{},"Іноді проміжна таблиця N:M потребує додаткових полів:",[5379,30377,30379],{"className":6376,"code":30378,"language":6232,"meta":5384,"style":5384},"\u002F\u002F Студенти записуються на курси з оцінкою та датою\ntype Student struct {\n    ID         uint\n    Name       string\n    Enrollments []Enrollment\n}\n\ntype Course struct {\n    ID         uint\n    Title      string\n    Enrollments []Enrollment\n}\n\n\u002F\u002F Проміжна модель з додатковими полями\ntype Enrollment struct {\n    StudentID  uint `gorm:\"primaryKey\"`\n    CourseID   uint `gorm:\"primaryKey\"`\n    Grade      string\n    EnrolledAt time.Time\n    Student    Student `gorm:\"foreignKey:StudentID\"`\n    Course     Course  `gorm:\"foreignKey:CourseID\"`\n}\n\n\u002F\u002F Використання:\nstudent := Student{Name: \"Іван\"}\ncourse := Course{Title: \"Бази даних\"}\ndb.Create(&student)\ndb.Create(&course)\n\nenrollment := Enrollment{\n    StudentID:  student.ID,\n    CourseID:   course.ID,\n    Grade:      \"A\",\n    EnrolledAt: time.Now(),\n}\ndb.Create(&enrollment)\n\n\u002F\u002F Завантаження з проміжною моделлю\nvar students []Student\ndb.Preload(\"Enrollments.Course\").Find(&students)\n\nfor _, s := range students {\n    for _, e := range s.Enrollments {\n        log.Printf(\"%s записаний на %s з оцінкою %s\",\n            s.Name, e.Course.Title, e.Grade)\n    }\n}\n",[5204,30380,30381,30386,30396,30402,30408,30418,30422,30426,30436,30442,30448,30456,30460,30464,30469,30480,30489,30499,30506,30517,30527,30538,30542,30546,30550,30568,30586,30600,30614,30618,30630,30644,30658,30670,30684,30688,30702,30706,30711,30723,30747,30751,30769,30794,30822,30854,30859],{"__ignoreMap":5384},[5388,30382,30383],{"class":5390,"line":5391},[5388,30384,30385],{"class":5936},"\u002F\u002F Студенти записуються на курси з оцінкою та датою\n",[5388,30387,30388,30390,30392,30394],{"class":5390,"line":5397},[5388,30389,7440],{"class":6096},[5388,30391,15108],{"class":6425},[5388,30393,7446],{"class":6096},[5388,30395,6561],{"class":5946},[5388,30397,30398,30400],{"class":5390,"line":5403},[5388,30399,7453],{"class":6384},[5388,30401,18307],{"class":6425},[5388,30403,30404,30406],{"class":5390,"line":5409},[5388,30405,15123],{"class":6384},[5388,30407,17414],{"class":6425},[5388,30409,30410,30413,30415],{"class":5390,"line":5416},[5388,30411,30412],{"class":6384},"    Enrollments",[5388,30414,10654],{"class":5946},[5388,30416,30417],{"class":6425},"Enrollment\n",[5388,30419,30420],{"class":5390,"line":5422},[5388,30421,5711],{"class":5946},[5388,30423,30424],{"class":5390,"line":5428},[5388,30425,5413],{"emptyLinePlaceholder":5412},[5388,30427,30428,30430,30432,30434],{"class":5390,"line":5434},[5388,30429,7440],{"class":6096},[5388,30431,15157],{"class":6425},[5388,30433,7446],{"class":6096},[5388,30435,6561],{"class":5946},[5388,30437,30438,30440],{"class":5390,"line":5439},[5388,30439,7453],{"class":6384},[5388,30441,18307],{"class":6425},[5388,30443,30444,30446],{"class":5390,"line":5445},[5388,30445,14965],{"class":6384},[5388,30447,17964],{"class":6425},[5388,30449,30450,30452,30454],{"class":5390,"line":5451},[5388,30451,30412],{"class":6384},[5388,30453,10654],{"class":5946},[5388,30455,30417],{"class":6425},[5388,30457,30458],{"class":5390,"line":5456},[5388,30459,5711],{"class":5946},[5388,30461,30462],{"class":5390,"line":5462},[5388,30463,5413],{"emptyLinePlaceholder":5412},[5388,30465,30466],{"class":5390,"line":5468},[5388,30467,30468],{"class":5936},"\u002F\u002F Проміжна модель з додатковими полями\n",[5388,30470,30471,30473,30476,30478],{"class":5390,"line":5474},[5388,30472,7440],{"class":6096},[5388,30474,30475],{"class":6425}," Enrollment",[5388,30477,7446],{"class":6096},[5388,30479,6561],{"class":5946},[5388,30481,30482,30485,30487],{"class":5390,"line":5480},[5388,30483,30484],{"class":6384},"    StudentID",[5388,30486,14789],{"class":6425},[5388,30488,16668],{"class":6038},[5388,30490,30491,30494,30497],{"class":5390,"line":5486},[5388,30492,30493],{"class":6384},"    CourseID",[5388,30495,30496],{"class":6425},"   uint",[5388,30498,16668],{"class":6038},[5388,30500,30501,30504],{"class":5390,"line":5491},[5388,30502,30503],{"class":6384},"    Grade",[5388,30505,17964],{"class":6425},[5388,30507,30508,30511,30513,30515],{"class":5390,"line":5497},[5388,30509,30510],{"class":6384},"    EnrolledAt",[5388,30512,16979],{"class":6425},[5388,30514,5555],{"class":5946},[5388,30516,13450],{"class":6425},[5388,30518,30519,30522,30524],{"class":5390,"line":5502},[5388,30520,30521],{"class":6384},"    Student",[5388,30523,30521],{"class":6425},[5388,30525,30526],{"class":6038}," `gorm:\"foreignKey:StudentID\"`\n",[5388,30528,30529,30532,30535],{"class":5390,"line":5508},[5388,30530,30531],{"class":6384},"    Course",[5388,30533,30534],{"class":6425},"     Course",[5388,30536,30537],{"class":6038},"  `gorm:\"foreignKey:CourseID\"`\n",[5388,30539,30540],{"class":5390,"line":5513},[5388,30541,5711],{"class":5946},[5388,30543,30544],{"class":5390,"line":5518},[5388,30545,5413],{"emptyLinePlaceholder":5412},[5388,30547,30548],{"class":5390,"line":5524},[5388,30549,16007],{"class":5936},[5388,30551,30552,30554,30556,30558,30560,30562,30564,30566],{"class":5390,"line":5530},[5388,30553,15241],{"class":6384},[5388,30555,6388],{"class":5946},[5388,30557,15184],{"class":6425},[5388,30559,7559],{"class":5946},[5388,30561,18763],{"class":6384},[5388,30563,5947],{"class":5946},[5388,30565,24938],{"class":6038},[5388,30567,5711],{"class":5946},[5388,30569,30570,30572,30574,30576,30578,30580,30582,30584],{"class":5390,"line":5535},[5388,30571,15386],{"class":6384},[5388,30573,6388],{"class":5946},[5388,30575,15136],{"class":6425},[5388,30577,7559],{"class":5946},[5388,30579,15068],{"class":6384},[5388,30581,5947],{"class":5946},[5388,30583,15281],{"class":6038},[5388,30585,5711],{"class":5946},[5388,30587,30588,30590,30592,30594,30596,30598],{"class":5390,"line":5803},[5388,30589,6629],{"class":6384},[5388,30591,5555],{"class":5946},[5388,30593,7594],{"class":6086},[5388,30595,7742],{"class":5946},[5388,30597,15241],{"class":6384},[5388,30599,6405],{"class":5946},[5388,30601,30602,30604,30606,30608,30610,30612],{"class":5390,"line":5808},[5388,30603,6629],{"class":6384},[5388,30605,5555],{"class":5946},[5388,30607,7594],{"class":6086},[5388,30609,7742],{"class":5946},[5388,30611,15386],{"class":6384},[5388,30613,6405],{"class":5946},[5388,30615,30616],{"class":5390,"line":7649},[5388,30617,5413],{"emptyLinePlaceholder":5412},[5388,30619,30620,30623,30625,30628],{"class":5390,"line":7654},[5388,30621,30622],{"class":6384},"enrollment",[5388,30624,6388],{"class":5946},[5388,30626,30627],{"class":6425},"Enrollment",[5388,30629,13785],{"class":5946},[5388,30631,30632,30634,30636,30638,30640,30642],{"class":5390,"line":7659},[5388,30633,30484],{"class":6384},[5388,30635,16269],{"class":5946},[5388,30637,15241],{"class":6384},[5388,30639,5555],{"class":5946},[5388,30641,7749],{"class":6384},[5388,30643,7693],{"class":5946},[5388,30645,30646,30648,30650,30652,30654,30656],{"class":5390,"line":7665},[5388,30647,30493],{"class":6384},[5388,30649,16241],{"class":5946},[5388,30651,15386],{"class":6384},[5388,30653,5555],{"class":5946},[5388,30655,7749],{"class":6384},[5388,30657,7693],{"class":5946},[5388,30659,30660,30662,30665,30668],{"class":5390,"line":7696},[5388,30661,30503],{"class":6384},[5388,30663,30664],{"class":5946},":      ",[5388,30666,30667],{"class":6038},"\"A\"",[5388,30669,7693],{"class":5946},[5388,30671,30672,30674,30676,30678,30680,30682],{"class":5390,"line":7709},[5388,30673,30510],{"class":6384},[5388,30675,5947],{"class":5946},[5388,30677,6910],{"class":6384},[5388,30679,5555],{"class":5946},[5388,30681,14360],{"class":6086},[5388,30683,16293],{"class":5946},[5388,30685,30686],{"class":5390,"line":7721},[5388,30687,5711],{"class":5946},[5388,30689,30690,30692,30694,30696,30698,30700],{"class":5390,"line":7733},[5388,30691,6629],{"class":6384},[5388,30693,5555],{"class":5946},[5388,30695,7594],{"class":6086},[5388,30697,7742],{"class":5946},[5388,30699,30622],{"class":6384},[5388,30701,6405],{"class":5946},[5388,30703,30704],{"class":5390,"line":7754},[5388,30705,5413],{"emptyLinePlaceholder":5412},[5388,30707,30708],{"class":5390,"line":7759},[5388,30709,30710],{"class":5936},"\u002F\u002F Завантаження з проміжною моделлю\n",[5388,30712,30713,30715,30718,30720],{"class":5390,"line":7772},[5388,30714,10649],{"class":6096},[5388,30716,30717],{"class":6384}," students",[5388,30719,10654],{"class":5946},[5388,30721,30722],{"class":6425},"Student\n",[5388,30724,30725,30727,30729,30731,30733,30736,30738,30740,30742,30745],{"class":5390,"line":7798},[5388,30726,6629],{"class":6384},[5388,30728,5555],{"class":5946},[5388,30730,14837],{"class":6086},[5388,30732,6399],{"class":5946},[5388,30734,30735],{"class":6038},"\"Enrollments.Course\"",[5388,30737,5827],{"class":5946},[5388,30739,14239],{"class":6086},[5388,30741,7742],{"class":5946},[5388,30743,30744],{"class":6384},"students",[5388,30746,6405],{"class":5946},[5388,30748,30749],{"class":5390,"line":7803},[5388,30750,5413],{"emptyLinePlaceholder":5412},[5388,30752,30753,30755,30757,30759,30761,30763,30765,30767],{"class":5390,"line":7808},[5388,30754,8877],{"class":6435},[5388,30756,14256],{"class":6384},[5388,30758,5603],{"class":5946},[5388,30760,20209],{"class":6384},[5388,30762,6388],{"class":5946},[5388,30764,14266],{"class":6435},[5388,30766,30717],{"class":6384},[5388,30768,6561],{"class":5946},[5388,30770,30771,30773,30775,30777,30780,30782,30784,30787,30789,30792],{"class":5390,"line":7815},[5388,30772,8513],{"class":6435},[5388,30774,14256],{"class":6384},[5388,30776,5603],{"class":5946},[5388,30778,30779],{"class":6384},"e",[5388,30781,6388],{"class":5946},[5388,30783,14266],{"class":6435},[5388,30785,30786],{"class":6384}," s",[5388,30788,5555],{"class":5946},[5388,30790,30791],{"class":6384},"Enrollments",[5388,30793,6561],{"class":5946},[5388,30795,30796,30798,30800,30802,30804,30806,30808,30811,30813,30816,30818,30820],{"class":5390,"line":16047},[5388,30797,6566],{"class":6384},[5388,30799,5555],{"class":5946},[5388,30801,13877],{"class":6086},[5388,30803,6399],{"class":5946},[5388,30805,6582],{"class":6038},[5388,30807,14127],{"class":6384},[5388,30809,30810],{"class":6038}," записаний на ",[5388,30812,14127],{"class":6384},[5388,30814,30815],{"class":6038}," з оцінкою ",[5388,30817,14127],{"class":6384},[5388,30819,6582],{"class":6038},[5388,30821,7693],{"class":5946},[5388,30823,30824,30827,30829,30831,30833,30835,30837,30839,30841,30843,30845,30847,30849,30852],{"class":5390,"line":16052},[5388,30825,30826],{"class":6384},"            s",[5388,30828,5555],{"class":5946},[5388,30830,18763],{"class":6384},[5388,30832,5603],{"class":5946},[5388,30834,30779],{"class":6384},[5388,30836,5555],{"class":5946},[5388,30838,15136],{"class":6384},[5388,30840,5555],{"class":5946},[5388,30842,15068],{"class":6384},[5388,30844,5603],{"class":5946},[5388,30846,30779],{"class":6384},[5388,30848,5555],{"class":5946},[5388,30850,30851],{"class":6384},"Grade",[5388,30853,6405],{"class":5946},[5388,30855,30857],{"class":5390,"line":30856},46,[5388,30858,6593],{"class":5946},[5388,30860,30862],{"class":5390,"line":30861},47,[5388,30863,5711],{"class":5946},[5258,30865],{},[5261,30867,30869],{"id":30868},"session-та-контекст-виконання","Session та контекст виконання",[5266,30871,30872,30873,30876],{},"GORM надає механізм ",[5229,30874,30875],{},"Session"," для тонкого налаштування поведінки окремих запитів без зміни глобальних параметрів.",[5615,30878,30880],{"id":30879},"withcontext-передача-контексту","WithContext — передача контексту",[5266,30882,30883],{},"Контекст дозволяє контролювати таймаути, скасування та трейсинг запитів:",[5379,30885,30887],{"className":6376,"code":30886,"language":6232,"meta":5384,"style":5384},"func (r *Repository) GetUser(ctx context.Context, id uint) (*User, error) {\n    var user User\n    \n    \u002F\u002F Передача контексту у GORM\n    err := r.db.WithContext(ctx).First(&user, id).Error\n    if err != nil {\n        return nil, err\n    }\n    \n    return &user, nil\n}\n\n\u002F\u002F Використання з таймаутом:\nctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)\ndefer cancel()\n\nuser, err := repo.GetUser(ctx, 42)\nif err == context.DeadlineExceeded {\n    log.Println(\"Запит перевищив таймаут 5 секунд\")\n}\n",[5204,30888,30889,30932,30940,30944,30949,30985,30997,31007,31011,31015,31027,31031,31035,31040,31084,31093,31097,31123,31140,31155],{"__ignoreMap":5384},[5388,30890,30891,30893,30895,30897,30899,30901,30903,30906,30908,30910,30912,30914,30916,30918,30920,30922,30924,30926,30928,30930],{"class":5390,"line":5391},[5388,30892,6483],{"class":6096},[5388,30894,5306],{"class":5946},[5388,30896,7584],{"class":6384},[5388,30898,7587],{"class":5946},[5388,30900,11472],{"class":6425},[5388,30902,7046],{"class":5946},[5388,30904,30905],{"class":6086},"GetUser",[5388,30907,6399],{"class":5946},[5388,30909,7599],{"class":6384},[5388,30911,7602],{"class":6425},[5388,30913,5555],{"class":5946},[5388,30915,7607],{"class":6425},[5388,30917,5603],{"class":5946},[5388,30919,8032],{"class":6384},[5388,30921,16665],{"class":6425},[5388,30923,8038],{"class":5946},[5388,30925,7617],{"class":6425},[5388,30927,5603],{"class":5946},[5388,30929,7049],{"class":6425},[5388,30931,8047],{"class":5946},[5388,30933,30934,30936,30938],{"class":5390,"line":5397},[5388,30935,8499],{"class":6096},[5388,30937,8295],{"class":6384},[5388,30939,14828],{"class":6425},[5388,30941,30942],{"class":5390,"line":5403},[5388,30943,6459],{"class":5946},[5388,30945,30946],{"class":5390,"line":5409},[5388,30947,30948],{"class":5936},"    \u002F\u002F Передача контексту у GORM\n",[5388,30950,30951,30953,30955,30957,30959,30961,30963,30965,30967,30969,30971,30973,30975,30977,30979,30981,30983],{"class":5390,"line":5416},[5388,30952,7668],{"class":6384},[5388,30954,6388],{"class":5946},[5388,30956,7673],{"class":6384},[5388,30958,5555],{"class":5946},[5388,30960,6629],{"class":6384},[5388,30962,5555],{"class":5946},[5388,30964,19974],{"class":6086},[5388,30966,6399],{"class":5946},[5388,30968,7599],{"class":6384},[5388,30970,5827],{"class":5946},[5388,30972,14003],{"class":6086},[5388,30974,7742],{"class":5946},[5388,30976,7612],{"class":6384},[5388,30978,5603],{"class":5946},[5388,30980,8032],{"class":6384},[5388,30982,5827],{"class":5946},[5388,30984,16317],{"class":6384},[5388,30986,30987,30989,30991,30993,30995],{"class":5390,"line":5422},[5388,30988,6549],{"class":6435},[5388,30990,6552],{"class":6384},[5388,30992,6555],{"class":5946},[5388,30994,6558],{"class":6096},[5388,30996,6561],{"class":5946},[5388,30998,30999,31001,31003,31005],{"class":5390,"line":5428},[5388,31000,7146],{"class":6435},[5388,31002,8209],{"class":6096},[5388,31004,5603],{"class":5946},[5388,31006,20333],{"class":6384},[5388,31008,31009],{"class":5390,"line":5434},[5388,31010,6593],{"class":5946},[5388,31012,31013],{"class":5390,"line":5439},[5388,31014,6459],{"class":5946},[5388,31016,31017,31019,31021,31023,31025],{"class":5390,"line":5445},[5388,31018,7198],{"class":6435},[5388,31020,7554],{"class":5946},[5388,31022,7612],{"class":6384},[5388,31024,5603],{"class":5946},[5388,31026,8300],{"class":6096},[5388,31028,31029],{"class":5390,"line":5451},[5388,31030,5711],{"class":5946},[5388,31032,31033],{"class":5390,"line":5456},[5388,31034,5413],{"emptyLinePlaceholder":5412},[5388,31036,31037],{"class":5390,"line":5462},[5388,31038,31039],{"class":5936},"\u002F\u002F Використання з таймаутом:\n",[5388,31041,31042,31044,31046,31049,31051,31054,31056,31059,31061,31063,31065,31068,31071,31073,31075,31077,31079,31082],{"class":5390,"line":5468},[5388,31043,7599],{"class":6384},[5388,31045,5603],{"class":5946},[5388,31047,31048],{"class":6384},"cancel",[5388,31050,6388],{"class":5946},[5388,31052,31053],{"class":6384},"context",[5388,31055,5555],{"class":5946},[5388,31057,31058],{"class":6086},"WithTimeout",[5388,31060,6399],{"class":5946},[5388,31062,31053],{"class":6384},[5388,31064,5555],{"class":5946},[5388,31066,31067],{"class":6086},"Background",[5388,31069,31070],{"class":5946},"(), ",[5388,31072,6904],{"class":6853},[5388,31074,7587],{"class":5946},[5388,31076,6910],{"class":6384},[5388,31078,5555],{"class":5946},[5388,31080,31081],{"class":6384},"Second",[5388,31083,6405],{"class":5946},[5388,31085,31086,31088,31091],{"class":5390,"line":5474},[5388,31087,8764],{"class":6435},[5388,31089,31090],{"class":6086}," cancel",[5388,31092,6609],{"class":5946},[5388,31094,31095],{"class":5390,"line":5480},[5388,31096,5413],{"emptyLinePlaceholder":5412},[5388,31098,31099,31101,31103,31105,31107,31109,31111,31113,31115,31117,31119,31121],{"class":5390,"line":5486},[5388,31100,7612],{"class":6384},[5388,31102,5603],{"class":5946},[5388,31104,6523],{"class":6384},[5388,31106,6388],{"class":5946},[5388,31108,20093],{"class":6384},[5388,31110,5555],{"class":5946},[5388,31112,30905],{"class":6086},[5388,31114,6399],{"class":5946},[5388,31116,7599],{"class":6384},[5388,31118,5603],{"class":5946},[5388,31120,18758],{"class":6853},[5388,31122,6405],{"class":5946},[5388,31124,31125,31127,31129,31131,31133,31135,31138],{"class":5390,"line":5491},[5388,31126,7270],{"class":6435},[5388,31128,6552],{"class":6384},[5388,31130,8193],{"class":5946},[5388,31132,31053],{"class":6384},[5388,31134,5555],{"class":5946},[5388,31136,31137],{"class":6384},"DeadlineExceeded",[5388,31139,6561],{"class":5946},[5388,31141,31142,31144,31146,31148,31150,31153],{"class":5390,"line":5497},[5388,31143,9869],{"class":6384},[5388,31145,5555],{"class":5946},[5388,31147,6686],{"class":6086},[5388,31149,6399],{"class":5946},[5388,31151,31152],{"class":6038},"\"Запит перевищив таймаут 5 секунд\"",[5388,31154,6405],{"class":5946},[5388,31156,31157],{"class":5390,"line":5502},[5388,31158,5711],{"class":5946},[5266,31160,31161],{},[5229,31162,31163],{},"Переваги WithContext:",[5194,31165,31166,31169,31172],{},[5197,31167,31168],{},"Автоматичне скасування запиту при закінченні таймауту.",[5197,31170,31171],{},"Інтеграція з трейсингом (OpenTelemetry, Jaeger).",[5197,31173,31174],{},"Передача метаданих між шарами застосунку.",[5841,31176,31177,31185],{},[5266,31178,31179,31182,31184],{},[5229,31180,31181],{},"Best Practice:",[6727,31183],{},"\nЗавжди передавайте контекст у методи доступу до даних. Це стандарт у Go-екосистемі та дозволяє коректно обробляти таймаути HTTP-запитів.",[5379,31186,31188],{"className":6376,"code":31187,"language":6232,"meta":5384,"style":5384},"\u002F\u002F ❌ Погано\nfunc (r *Repo) GetUser(id uint) (*User, error) {\n    return db.First(&user, id)\n}\n\n\u002F\u002F ✅ Добре\nfunc (r *Repo) GetUser(ctx context.Context, id uint) (*User, error) {\n    return db.WithContext(ctx).First(&user, id)\n}\n",[5204,31189,31190,31195,31228,31248,31252,31256,31261,31303,31331],{"__ignoreMap":5384},[5388,31191,31192],{"class":5390,"line":5391},[5388,31193,31194],{"class":5936},"\u002F\u002F ❌ Погано\n",[5388,31196,31197,31199,31201,31203,31205,31208,31210,31212,31214,31216,31218,31220,31222,31224,31226],{"class":5390,"line":5397},[5388,31198,6483],{"class":6096},[5388,31200,5306],{"class":5946},[5388,31202,7584],{"class":6384},[5388,31204,7587],{"class":5946},[5388,31206,31207],{"class":6425},"Repo",[5388,31209,7046],{"class":5946},[5388,31211,30905],{"class":6086},[5388,31213,6399],{"class":5946},[5388,31215,8032],{"class":6384},[5388,31217,16665],{"class":6425},[5388,31219,8038],{"class":5946},[5388,31221,7617],{"class":6425},[5388,31223,5603],{"class":5946},[5388,31225,7049],{"class":6425},[5388,31227,8047],{"class":5946},[5388,31229,31230,31232,31234,31236,31238,31240,31242,31244,31246],{"class":5390,"line":5403},[5388,31231,7198],{"class":6435},[5388,31233,6601],{"class":6384},[5388,31235,5555],{"class":5946},[5388,31237,14003],{"class":6086},[5388,31239,7742],{"class":5946},[5388,31241,7612],{"class":6384},[5388,31243,5603],{"class":5946},[5388,31245,8032],{"class":6384},[5388,31247,6405],{"class":5946},[5388,31249,31250],{"class":5390,"line":5409},[5388,31251,5711],{"class":5946},[5388,31253,31254],{"class":5390,"line":5416},[5388,31255,5413],{"emptyLinePlaceholder":5412},[5388,31257,31258],{"class":5390,"line":5422},[5388,31259,31260],{"class":5936},"\u002F\u002F ✅ Добре\n",[5388,31262,31263,31265,31267,31269,31271,31273,31275,31277,31279,31281,31283,31285,31287,31289,31291,31293,31295,31297,31299,31301],{"class":5390,"line":5428},[5388,31264,6483],{"class":6096},[5388,31266,5306],{"class":5946},[5388,31268,7584],{"class":6384},[5388,31270,7587],{"class":5946},[5388,31272,31207],{"class":6425},[5388,31274,7046],{"class":5946},[5388,31276,30905],{"class":6086},[5388,31278,6399],{"class":5946},[5388,31280,7599],{"class":6384},[5388,31282,7602],{"class":6425},[5388,31284,5555],{"class":5946},[5388,31286,7607],{"class":6425},[5388,31288,5603],{"class":5946},[5388,31290,8032],{"class":6384},[5388,31292,16665],{"class":6425},[5388,31294,8038],{"class":5946},[5388,31296,7617],{"class":6425},[5388,31298,5603],{"class":5946},[5388,31300,7049],{"class":6425},[5388,31302,8047],{"class":5946},[5388,31304,31305,31307,31309,31311,31313,31315,31317,31319,31321,31323,31325,31327,31329],{"class":5390,"line":5434},[5388,31306,7198],{"class":6435},[5388,31308,6601],{"class":6384},[5388,31310,5555],{"class":5946},[5388,31312,19974],{"class":6086},[5388,31314,6399],{"class":5946},[5388,31316,7599],{"class":6384},[5388,31318,5827],{"class":5946},[5388,31320,14003],{"class":6086},[5388,31322,7742],{"class":5946},[5388,31324,7612],{"class":6384},[5388,31326,5603],{"class":5946},[5388,31328,8032],{"class":6384},[5388,31330,6405],{"class":5946},[5388,31332,31333],{"class":5390,"line":5439},[5388,31334,5711],{"class":5946},[5615,31336,31338],{"id":31337},"session-конфігурація","Session конфігурація",[5266,31340,7210,31341,31344],{},[5204,31342,31343],{},"Session()"," дозволяє налаштувати поведінку для одного запиту або ланцюжка запитів:",[5379,31346,31348],{"className":6376,"code":31347,"language":6232,"meta":5384,"style":5384},"\u002F\u002F 1. DryRun — показати SQL без виконання\nstmt := db.Session(&gorm.Session{DryRun: true}).\n    Where(\"age > ?\", 18).\n    Find(&users).\n    Statement\n\nlog.Println(stmt.SQL.String())    \u002F\u002F SELECT * FROM users WHERE age > 18\nlog.Println(stmt.Vars)             \u002F\u002F [18]\n\n\u002F\u002F 2. SkipHooks — пропустити хуки (BeforeCreate, AfterUpdate тощо)\ndb.Session(&gorm.Session{SkipHooks: true}).Create(&user)\n\u002F\u002F BeforeCreate та AfterCreate не викликаються\n\n\u002F\u002F 3. PrepareStmt — увімкнути prepared statements для сесії\ndb.Session(&gorm.Session{PrepareStmt: true}).First(&user, 1)\n\n\u002F\u002F 4. NewDB — створити нову сесію без попередніх умов\nnewDB := db.Session(&gorm.Session{NewDB: true})\n\u002F\u002F newDB не успадковує Where, Preload тощо від db\n\n\u002F\u002F 5. SkipDefaultTransaction — вимкнути автоматичні транзакції\n\u002F\u002F За замовчуванням Create\u002FUpdate\u002FDelete обгортаються у транзакцію\ndb.Session(&gorm.Session{SkipDefaultTransaction: true}).Create(&user)\n\u002F\u002F Працює швидше, але без атомарності\n\n\u002F\u002F 6. AllowGlobalUpdate — дозволити оновлення\u002Fвидалення без WHERE\ndb.Session(&gorm.Session{AllowGlobalUpdate: true}).Delete(&User{})\n\u002F\u002F DELETE FROM users (без WHERE — видалить ВСІ записи)\n\n\u002F\u002F 7. Context — встановити контекст\nctx := context.WithValue(context.Background(), \"user_id\", 42)\ndb.Session(&gorm.Session{Context: ctx}).Find(&users)\n\n\u002F\u002F 8. Logger — перевизначити логер для сесії\ncustomLogger := logger.New(\n    log.New(os.Stdout, \"\\r\\n\", log.LstdFlags),\n    logger.Config{SlowThreshold: 200 * time.Millisecond},\n)\ndb.Session(&gorm.Session{Logger: customLogger}).Find(&users)\n\n\u002F\u002F 9. NowFunc — перевизначити функцію поточного часу\ndb.Session(&gorm.Session{\n    NowFunc: func() time.Time {\n        return time.Date(2020, 1, 1, 0, 0, 0, 0, time.UTC)\n    },\n}).Create(&user)\n\u002F\u002F CreatedAt буде 2020-01-01 (корисно для тестів)\n",[5204,31349,31350,31355,31386,31401,31412,31417,31421,31448,31471,31475,31480,31514,31519,31523,31528,31566,31570,31575,31607,31612,31616,31621,31626,31661,31666,31670,31675,31710,31715,31719,31724,31756,31790,31794,31799,31815,31852,31881,31885,31920,31924,31929,31947,31966,32017,32021,32033],{"__ignoreMap":5384},[5388,31351,31352],{"class":5390,"line":5391},[5388,31353,31354],{"class":5936},"\u002F\u002F 1. DryRun — показати SQL без виконання\n",[5388,31356,31357,31360,31362,31364,31366,31368,31370,31372,31374,31376,31378,31380,31382,31384],{"class":5390,"line":5397},[5388,31358,31359],{"class":6384},"stmt",[5388,31361,6388],{"class":5946},[5388,31363,6629],{"class":6384},[5388,31365,5555],{"class":5946},[5388,31367,30875],{"class":6086},[5388,31369,7742],{"class":5946},[5388,31371,13228],{"class":6425},[5388,31373,5555],{"class":5946},[5388,31375,30875],{"class":6425},[5388,31377,7559],{"class":5946},[5388,31379,20779],{"class":6384},[5388,31381,5947],{"class":5946},[5388,31383,8783],{"class":6096},[5388,31385,25298],{"class":5946},[5388,31387,31388,31391,31393,31395,31397,31399],{"class":5390,"line":5403},[5388,31389,31390],{"class":6086},"    Where",[5388,31392,6399],{"class":5946},[5388,31394,22396],{"class":6038},[5388,31396,5603],{"class":5946},[5388,31398,10628],{"class":6853},[5388,31400,14395],{"class":5946},[5388,31402,31403,31406,31408,31410],{"class":5390,"line":5409},[5388,31404,31405],{"class":6086},"    Find",[5388,31407,7742],{"class":5946},[5388,31409,8643],{"class":6384},[5388,31411,14395],{"class":5946},[5388,31413,31414],{"class":5390,"line":5416},[5388,31415,31416],{"class":6384},"    Statement\n",[5388,31418,31419],{"class":5390,"line":5422},[5388,31420,5413],{"emptyLinePlaceholder":5412},[5388,31422,31423,31425,31427,31429,31431,31433,31435,31437,31439,31442,31445],{"class":5390,"line":5428},[5388,31424,14861],{"class":6384},[5388,31426,5555],{"class":5946},[5388,31428,6686],{"class":6086},[5388,31430,6399],{"class":5946},[5388,31432,31359],{"class":6384},[5388,31434,5555],{"class":5946},[5388,31436,2923],{"class":6384},[5388,31438,5555],{"class":5946},[5388,31440,31441],{"class":6086},"String",[5388,31443,31444],{"class":5946},"())    ",[5388,31446,31447],{"class":5936},"\u002F\u002F SELECT * FROM users WHERE age > 18\n",[5388,31449,31450,31452,31454,31456,31458,31460,31462,31465,31468],{"class":5390,"line":5434},[5388,31451,14861],{"class":6384},[5388,31453,5555],{"class":5946},[5388,31455,6686],{"class":6086},[5388,31457,6399],{"class":5946},[5388,31459,31359],{"class":6384},[5388,31461,5555],{"class":5946},[5388,31463,31464],{"class":6384},"Vars",[5388,31466,31467],{"class":5946},")             ",[5388,31469,31470],{"class":5936},"\u002F\u002F [18]\n",[5388,31472,31473],{"class":5390,"line":5439},[5388,31474,5413],{"emptyLinePlaceholder":5412},[5388,31476,31477],{"class":5390,"line":5445},[5388,31478,31479],{"class":5936},"\u002F\u002F 2. SkipHooks — пропустити хуки (BeforeCreate, AfterUpdate тощо)\n",[5388,31481,31482,31484,31486,31488,31490,31492,31494,31496,31498,31500,31502,31504,31506,31508,31510,31512],{"class":5390,"line":5451},[5388,31483,6629],{"class":6384},[5388,31485,5555],{"class":5946},[5388,31487,30875],{"class":6086},[5388,31489,7742],{"class":5946},[5388,31491,13228],{"class":6425},[5388,31493,5555],{"class":5946},[5388,31495,30875],{"class":6425},[5388,31497,7559],{"class":5946},[5388,31499,20782],{"class":6384},[5388,31501,5947],{"class":5946},[5388,31503,8783],{"class":6096},[5388,31505,21916],{"class":5946},[5388,31507,7594],{"class":6086},[5388,31509,7742],{"class":5946},[5388,31511,7612],{"class":6384},[5388,31513,6405],{"class":5946},[5388,31515,31516],{"class":5390,"line":5456},[5388,31517,31518],{"class":5936},"\u002F\u002F BeforeCreate та AfterCreate не викликаються\n",[5388,31520,31521],{"class":5390,"line":5462},[5388,31522,5413],{"emptyLinePlaceholder":5412},[5388,31524,31525],{"class":5390,"line":5468},[5388,31526,31527],{"class":5936},"\u002F\u002F 3. PrepareStmt — увімкнути prepared statements для сесії\n",[5388,31529,31530,31532,31534,31536,31538,31540,31542,31544,31546,31548,31550,31552,31554,31556,31558,31560,31562,31564],{"class":5390,"line":5474},[5388,31531,6629],{"class":6384},[5388,31533,5555],{"class":5946},[5388,31535,30875],{"class":6086},[5388,31537,7742],{"class":5946},[5388,31539,13228],{"class":6425},[5388,31541,5555],{"class":5946},[5388,31543,30875],{"class":6425},[5388,31545,7559],{"class":5946},[5388,31547,20785],{"class":6384},[5388,31549,5947],{"class":5946},[5388,31551,8783],{"class":6096},[5388,31553,21916],{"class":5946},[5388,31555,14003],{"class":6086},[5388,31557,7742],{"class":5946},[5388,31559,7612],{"class":6384},[5388,31561,5603],{"class":5946},[5388,31563,7377],{"class":6853},[5388,31565,6405],{"class":5946},[5388,31567,31568],{"class":5390,"line":5480},[5388,31569,5413],{"emptyLinePlaceholder":5412},[5388,31571,31572],{"class":5390,"line":5486},[5388,31573,31574],{"class":5936},"\u002F\u002F 4. NewDB — створити нову сесію без попередніх умов\n",[5388,31576,31577,31580,31582,31584,31586,31588,31590,31592,31594,31596,31598,31601,31603,31605],{"class":5390,"line":5491},[5388,31578,31579],{"class":6384},"newDB",[5388,31581,6388],{"class":5946},[5388,31583,6629],{"class":6384},[5388,31585,5555],{"class":5946},[5388,31587,30875],{"class":6086},[5388,31589,7742],{"class":5946},[5388,31591,13228],{"class":6425},[5388,31593,5555],{"class":5946},[5388,31595,30875],{"class":6425},[5388,31597,7559],{"class":5946},[5388,31599,31600],{"class":6384},"NewDB",[5388,31602,5947],{"class":5946},[5388,31604,8783],{"class":6096},[5388,31606,14574],{"class":5946},[5388,31608,31609],{"class":5390,"line":5497},[5388,31610,31611],{"class":5936},"\u002F\u002F newDB не успадковує Where, Preload тощо від db\n",[5388,31613,31614],{"class":5390,"line":5502},[5388,31615,5413],{"emptyLinePlaceholder":5412},[5388,31617,31618],{"class":5390,"line":5508},[5388,31619,31620],{"class":5936},"\u002F\u002F 5. SkipDefaultTransaction — вимкнути автоматичні транзакції\n",[5388,31622,31623],{"class":5390,"line":5513},[5388,31624,31625],{"class":5936},"\u002F\u002F За замовчуванням Create\u002FUpdate\u002FDelete обгортаються у транзакцію\n",[5388,31627,31628,31630,31632,31634,31636,31638,31640,31642,31644,31647,31649,31651,31653,31655,31657,31659],{"class":5390,"line":5518},[5388,31629,6629],{"class":6384},[5388,31631,5555],{"class":5946},[5388,31633,30875],{"class":6086},[5388,31635,7742],{"class":5946},[5388,31637,13228],{"class":6425},[5388,31639,5555],{"class":5946},[5388,31641,30875],{"class":6425},[5388,31643,7559],{"class":5946},[5388,31645,31646],{"class":6384},"SkipDefaultTransaction",[5388,31648,5947],{"class":5946},[5388,31650,8783],{"class":6096},[5388,31652,21916],{"class":5946},[5388,31654,7594],{"class":6086},[5388,31656,7742],{"class":5946},[5388,31658,7612],{"class":6384},[5388,31660,6405],{"class":5946},[5388,31662,31663],{"class":5390,"line":5524},[5388,31664,31665],{"class":5936},"\u002F\u002F Працює швидше, але без атомарності\n",[5388,31667,31668],{"class":5390,"line":5530},[5388,31669,5413],{"emptyLinePlaceholder":5412},[5388,31671,31672],{"class":5390,"line":5535},[5388,31673,31674],{"class":5936},"\u002F\u002F 6. AllowGlobalUpdate — дозволити оновлення\u002Fвидалення без WHERE\n",[5388,31676,31677,31679,31681,31683,31685,31687,31689,31691,31693,31696,31698,31700,31702,31704,31706,31708],{"class":5390,"line":5803},[5388,31678,6629],{"class":6384},[5388,31680,5555],{"class":5946},[5388,31682,30875],{"class":6086},[5388,31684,7742],{"class":5946},[5388,31686,13228],{"class":6425},[5388,31688,5555],{"class":5946},[5388,31690,30875],{"class":6425},[5388,31692,7559],{"class":5946},[5388,31694,31695],{"class":6384},"AllowGlobalUpdate",[5388,31697,5947],{"class":5946},[5388,31699,8783],{"class":6096},[5388,31701,21916],{"class":5946},[5388,31703,9277],{"class":6086},[5388,31705,7742],{"class":5946},[5388,31707,7617],{"class":6425},[5388,31709,12659],{"class":5946},[5388,31711,31712],{"class":5390,"line":5808},[5388,31713,31714],{"class":5936},"\u002F\u002F DELETE FROM users (без WHERE — видалить ВСІ записи)\n",[5388,31716,31717],{"class":5390,"line":7649},[5388,31718,5413],{"emptyLinePlaceholder":5412},[5388,31720,31721],{"class":5390,"line":7654},[5388,31722,31723],{"class":5936},"\u002F\u002F 7. Context — встановити контекст\n",[5388,31725,31726,31728,31730,31732,31734,31737,31739,31741,31743,31745,31747,31750,31752,31754],{"class":5390,"line":7659},[5388,31727,7599],{"class":6384},[5388,31729,6388],{"class":5946},[5388,31731,31053],{"class":6384},[5388,31733,5555],{"class":5946},[5388,31735,31736],{"class":6086},"WithValue",[5388,31738,6399],{"class":5946},[5388,31740,31053],{"class":6384},[5388,31742,5555],{"class":5946},[5388,31744,31067],{"class":6086},[5388,31746,31070],{"class":5946},[5388,31748,31749],{"class":6038},"\"user_id\"",[5388,31751,5603],{"class":5946},[5388,31753,18758],{"class":6853},[5388,31755,6405],{"class":5946},[5388,31757,31758,31760,31762,31764,31766,31768,31770,31772,31774,31776,31778,31780,31782,31784,31786,31788],{"class":5390,"line":7665},[5388,31759,6629],{"class":6384},[5388,31761,5555],{"class":5946},[5388,31763,30875],{"class":6086},[5388,31765,7742],{"class":5946},[5388,31767,13228],{"class":6425},[5388,31769,5555],{"class":5946},[5388,31771,30875],{"class":6425},[5388,31773,7559],{"class":5946},[5388,31775,7607],{"class":6384},[5388,31777,5947],{"class":5946},[5388,31779,7599],{"class":6384},[5388,31781,21916],{"class":5946},[5388,31783,14239],{"class":6086},[5388,31785,7742],{"class":5946},[5388,31787,8643],{"class":6384},[5388,31789,6405],{"class":5946},[5388,31791,31792],{"class":5390,"line":7696},[5388,31793,5413],{"emptyLinePlaceholder":5412},[5388,31795,31796],{"class":5390,"line":7709},[5388,31797,31798],{"class":5936},"\u002F\u002F 8. Logger — перевизначити логер для сесії\n",[5388,31800,31801,31804,31806,31809,31811,31813],{"class":5390,"line":7721},[5388,31802,31803],{"class":6384},"customLogger",[5388,31805,6388],{"class":5946},[5388,31807,31808],{"class":6384},"logger",[5388,31810,5555],{"class":5946},[5388,31812,12704],{"class":6086},[5388,31814,8126],{"class":5946},[5388,31816,31817,31819,31821,31823,31825,31827,31829,31832,31834,31836,31839,31841,31843,31845,31847,31850],{"class":5390,"line":7733},[5388,31818,9869],{"class":6384},[5388,31820,5555],{"class":5946},[5388,31822,12704],{"class":6086},[5388,31824,6399],{"class":5946},[5388,31826,6391],{"class":6384},[5388,31828,5555],{"class":5946},[5388,31830,31831],{"class":6384},"Stdout",[5388,31833,5603],{"class":5946},[5388,31835,6582],{"class":6038},[5388,31837,31838],{"class":6121},"\\r\\n",[5388,31840,6582],{"class":6038},[5388,31842,5603],{"class":5946},[5388,31844,14861],{"class":6384},[5388,31846,5555],{"class":5946},[5388,31848,31849],{"class":6384},"LstdFlags",[5388,31851,20387],{"class":5946},[5388,31853,31854,31857,31859,31861,31863,31866,31868,31870,31872,31874,31876,31879],{"class":5390,"line":7754},[5388,31855,31856],{"class":6425},"    logger",[5388,31858,5555],{"class":5946},[5388,31860,12656],{"class":6425},[5388,31862,7559],{"class":5946},[5388,31864,31865],{"class":6384},"SlowThreshold",[5388,31867,5947],{"class":5946},[5388,31869,26434],{"class":6853},[5388,31871,6907],{"class":5946},[5388,31873,6910],{"class":6384},[5388,31875,5555],{"class":5946},[5388,31877,31878],{"class":6384},"Millisecond",[5388,31880,15284],{"class":5946},[5388,31882,31883],{"class":5390,"line":7759},[5388,31884,6405],{"class":5946},[5388,31886,31887,31889,31891,31893,31895,31897,31899,31901,31903,31906,31908,31910,31912,31914,31916,31918],{"class":5390,"line":7772},[5388,31888,6629],{"class":6384},[5388,31890,5555],{"class":5946},[5388,31892,30875],{"class":6086},[5388,31894,7742],{"class":5946},[5388,31896,13228],{"class":6425},[5388,31898,5555],{"class":5946},[5388,31900,30875],{"class":6425},[5388,31902,7559],{"class":5946},[5388,31904,31905],{"class":6384},"Logger",[5388,31907,5947],{"class":5946},[5388,31909,31803],{"class":6384},[5388,31911,21916],{"class":5946},[5388,31913,14239],{"class":6086},[5388,31915,7742],{"class":5946},[5388,31917,8643],{"class":6384},[5388,31919,6405],{"class":5946},[5388,31921,31922],{"class":5390,"line":7798},[5388,31923,5413],{"emptyLinePlaceholder":5412},[5388,31925,31926],{"class":5390,"line":7803},[5388,31927,31928],{"class":5936},"\u002F\u002F 9. NowFunc — перевизначити функцію поточного часу\n",[5388,31930,31931,31933,31935,31937,31939,31941,31943,31945],{"class":5390,"line":7808},[5388,31932,6629],{"class":6384},[5388,31934,5555],{"class":5946},[5388,31936,30875],{"class":6086},[5388,31938,7742],{"class":5946},[5388,31940,13228],{"class":6425},[5388,31942,5555],{"class":5946},[5388,31944,30875],{"class":6425},[5388,31946,13785],{"class":5946},[5388,31948,31949,31952,31954,31956,31958,31960,31962,31964],{"class":5390,"line":7815},[5388,31950,31951],{"class":6384},"    NowFunc",[5388,31953,5947],{"class":5946},[5388,31955,6483],{"class":6096},[5388,31957,7314],{"class":5946},[5388,31959,6910],{"class":6425},[5388,31961,5555],{"class":5946},[5388,31963,9961],{"class":6425},[5388,31965,6561],{"class":5946},[5388,31967,31968,31970,31972,31974,31977,31979,31982,31984,31986,31988,31990,31992,31994,31996,31998,32000,32002,32004,32006,32008,32010,32012,32015],{"class":5390,"line":16047},[5388,31969,7146],{"class":6435},[5388,31971,16979],{"class":6384},[5388,31973,5555],{"class":5946},[5388,31975,31976],{"class":6086},"Date",[5388,31978,6399],{"class":5946},[5388,31980,31981],{"class":6853},"2020",[5388,31983,5603],{"class":5946},[5388,31985,7377],{"class":6853},[5388,31987,5603],{"class":5946},[5388,31989,7377],{"class":6853},[5388,31991,5603],{"class":5946},[5388,31993,9187],{"class":6853},[5388,31995,5603],{"class":5946},[5388,31997,9187],{"class":6853},[5388,31999,5603],{"class":5946},[5388,32001,9187],{"class":6853},[5388,32003,5603],{"class":5946},[5388,32005,9187],{"class":6853},[5388,32007,5603],{"class":5946},[5388,32009,6910],{"class":6384},[5388,32011,5555],{"class":5946},[5388,32013,32014],{"class":6384},"UTC",[5388,32016,6405],{"class":5946},[5388,32018,32019],{"class":5390,"line":16052},[5388,32020,15302],{"class":5946},[5388,32022,32023,32025,32027,32029,32031],{"class":5390,"line":30856},[5388,32024,21916],{"class":5946},[5388,32026,7594],{"class":6086},[5388,32028,7742],{"class":5946},[5388,32030,7612],{"class":6384},[5388,32032,6405],{"class":5946},[5388,32034,32035],{"class":5390,"line":30861},[5388,32036,32037],{"class":5936},"\u002F\u002F CreatedAt буде 2020-01-01 (корисно для тестів)\n",[5615,32039,32041],{"id":32040},"queryfields-вибір-полів-автоматично","QueryFields — вибір полів автоматично",[5266,32043,32044,32045,32047],{},"За замовчуванням GORM використовує ",[5204,32046,22610],{},". Для оптимізації можна вибирати лише потрібні поля:",[5379,32049,32051],{"className":6376,"code":32050,"language":6232,"meta":5384,"style":5384},"db.Session(&gorm.Session{QueryFields: true}).Find(&users)\n\u002F\u002F SELECT id, name, email, created_at FROM users\n\u002F\u002F Замість SELECT *\n",[5204,32052,32053,32088,32093],{"__ignoreMap":5384},[5388,32054,32055,32057,32059,32061,32063,32065,32067,32069,32071,32074,32076,32078,32080,32082,32084,32086],{"class":5390,"line":5391},[5388,32056,6629],{"class":6384},[5388,32058,5555],{"class":5946},[5388,32060,30875],{"class":6086},[5388,32062,7742],{"class":5946},[5388,32064,13228],{"class":6425},[5388,32066,5555],{"class":5946},[5388,32068,30875],{"class":6425},[5388,32070,7559],{"class":5946},[5388,32072,32073],{"class":6384},"QueryFields",[5388,32075,5947],{"class":5946},[5388,32077,8783],{"class":6096},[5388,32079,21916],{"class":5946},[5388,32081,14239],{"class":6086},[5388,32083,7742],{"class":5946},[5388,32085,8643],{"class":6384},[5388,32087,6405],{"class":5946},[5388,32089,32090],{"class":5390,"line":5397},[5388,32091,32092],{"class":5936},"\u002F\u002F SELECT id, name, email, created_at FROM users\n",[5388,32094,32095],{"class":5390,"line":5403},[5388,32096,32097],{"class":5936},"\u002F\u002F Замість SELECT *\n",[5615,32099,32101],{"id":32100},"createbatchsize-розмір-пакету-за-замовчуванням","CreateBatchSize — розмір пакету за замовчуванням",[5379,32103,32105],{"className":6376,"code":32104,"language":6232,"meta":5384,"style":5384},"db.Session(&gorm.Session{CreateBatchSize: 1000}).Create(&users)\n\u002F\u002F Якщо users містить більше 1000 елементів,\n\u002F\u002F автоматично розбиває на пакети\n",[5204,32106,32107,32142,32147],{"__ignoreMap":5384},[5388,32108,32109,32111,32113,32115,32117,32119,32121,32123,32125,32128,32130,32132,32134,32136,32138,32140],{"class":5390,"line":5391},[5388,32110,6629],{"class":6384},[5388,32112,5555],{"class":5946},[5388,32114,30875],{"class":6086},[5388,32116,7742],{"class":5946},[5388,32118,13228],{"class":6425},[5388,32120,5555],{"class":5946},[5388,32122,30875],{"class":6425},[5388,32124,7559],{"class":5946},[5388,32126,32127],{"class":6384},"CreateBatchSize",[5388,32129,5947],{"class":5946},[5388,32131,26850],{"class":6853},[5388,32133,21916],{"class":5946},[5388,32135,7594],{"class":6086},[5388,32137,7742],{"class":5946},[5388,32139,8643],{"class":6384},[5388,32141,6405],{"class":5946},[5388,32143,32144],{"class":5390,"line":5397},[5388,32145,32146],{"class":5936},"\u002F\u002F Якщо users містить більше 1000 елементів,\n",[5388,32148,32149],{"class":5390,"line":5403},[5388,32150,32151],{"class":5936},"\u002F\u002F автоматично розбиває на пакети\n",[5615,32153,32155],{"id":32154},"комбінування-налаштувань","Комбінування налаштувань",[5379,32157,32159],{"className":6376,"code":32158,"language":6232,"meta":5384,"style":5384},"result := db.Session(&gorm.Session{\n    PrepareStmt:             true,\n    SkipDefaultTransaction: true,\n    QueryFields:            true,\n    Logger:                 customLogger,\n}).\nWithContext(ctx).\nWhere(\"status = ?\", \"active\").\nFind(&users)\n",[5204,32160,32161,32183,32194,32205,32216,32228,32232,32242,32256],{"__ignoreMap":5384},[5388,32162,32163,32165,32167,32169,32171,32173,32175,32177,32179,32181],{"class":5390,"line":5391},[5388,32164,7246],{"class":6384},[5388,32166,6388],{"class":5946},[5388,32168,6629],{"class":6384},[5388,32170,5555],{"class":5946},[5388,32172,30875],{"class":6086},[5388,32174,7742],{"class":5946},[5388,32176,13228],{"class":6425},[5388,32178,5555],{"class":5946},[5388,32180,30875],{"class":6425},[5388,32182,13785],{"class":5946},[5388,32184,32185,32187,32190,32192],{"class":5390,"line":5397},[5388,32186,27966],{"class":6384},[5388,32188,32189],{"class":5946},":             ",[5388,32191,8783],{"class":6096},[5388,32193,7693],{"class":5946},[5388,32195,32196,32199,32201,32203],{"class":5390,"line":5403},[5388,32197,32198],{"class":6384},"    SkipDefaultTransaction",[5388,32200,5947],{"class":5946},[5388,32202,8783],{"class":6096},[5388,32204,7693],{"class":5946},[5388,32206,32207,32210,32212,32214],{"class":5390,"line":5409},[5388,32208,32209],{"class":6384},"    QueryFields",[5388,32211,29822],{"class":5946},[5388,32213,8783],{"class":6096},[5388,32215,7693],{"class":5946},[5388,32217,32218,32221,32224,32226],{"class":5390,"line":5416},[5388,32219,32220],{"class":6384},"    Logger",[5388,32222,32223],{"class":5946},":                 ",[5388,32225,31803],{"class":6384},[5388,32227,7693],{"class":5946},[5388,32229,32230],{"class":5390,"line":5422},[5388,32231,25298],{"class":5946},[5388,32233,32234,32236,32238,32240],{"class":5390,"line":5428},[5388,32235,19974],{"class":6086},[5388,32237,6399],{"class":5946},[5388,32239,7599],{"class":6384},[5388,32241,14395],{"class":5946},[5388,32243,32244,32246,32248,32250,32252,32254],{"class":5390,"line":5434},[5388,32245,14187],{"class":6086},[5388,32247,6399],{"class":5946},[5388,32249,22428],{"class":6038},[5388,32251,5603],{"class":5946},[5388,32253,21908],{"class":6038},[5388,32255,14395],{"class":5946},[5388,32257,32258,32260,32262,32264],{"class":5390,"line":5439},[5388,32259,14239],{"class":6086},[5388,32261,7742],{"class":5946},[5388,32263,8643],{"class":6384},[5388,32265,6405],{"class":5946},[5350,32267,32268,32271,32273,32274,32276],{},[5229,32269,32270],{},"Порядок виконання:",[6727,32272],{},"\nSession налаштування застосовуються перед будь-якими методами запиту (Where, Preload, Order). Тому ",[5204,32275,31343],{}," має викликатися першим у ланцюжку.",[5258,32278],{},[5261,32280,32282],{"id":32281},"raw-sql-та-інтеграція","Raw SQL та інтеграція",[5266,32284,32285],{},"Хоча GORM надає багатий Query Builder API, іноді потрібен повний контроль через чистий SQL.",[5615,32287,32289],{"id":32288},"raw-запити-для-читання","Raw запити для читання",[5379,32291,32293],{"className":6376,"code":32292,"language":6232,"meta":5384,"style":5384},"\u002F\u002F 1. Простий Raw запит\nvar users []User\ndb.Raw(\"SELECT * FROM users WHERE age > ?\", 18).Scan(&users)\n\n\u002F\u002F 2. З іменованими параметрами\ndb.Raw(\"SELECT * FROM users WHERE age > @age AND city = @city\",\n    sql.Named(\"age\", 18),\n    sql.Named(\"city\", \"Київ\"),\n).Scan(&users)\n\n\u002F\u002F 3. Scan у map\nvar results []map[string]interface{}\ndb.Raw(\"SELECT id, name, email FROM users LIMIT 10\").Scan(&results)\n\nfor _, row := range results {\n    log.Printf(\"ID: %v, Name: %v\", row[\"id\"], row[\"name\"])\n}\n\n\u002F\u002F 4. Scan у кастомну структуру\ntype UserSummary struct {\n    Name  string\n    Total int\n}\n\nvar summaries []UserSummary\ndb.Raw(`\n    SELECT u.name, COUNT(p.id) as total\n    FROM users u\n    LEFT JOIN posts p ON p.user_id = u.id\n    GROUP BY u.name\n`).Scan(&summaries)\n",[5204,32294,32295,32300,32310,32337,32341,32346,32361,32381,32399,32411,32415,32420,32440,32463,32467,32486,32526,32530,32534,32539,32550,32556,32562,32566,32570,32582,32594,32599,32604,32609,32614],{"__ignoreMap":5384},[5388,32296,32297],{"class":5390,"line":5391},[5388,32298,32299],{"class":5936},"\u002F\u002F 1. Простий Raw запит\n",[5388,32301,32302,32304,32306,32308],{"class":5390,"line":5397},[5388,32303,10649],{"class":6096},[5388,32305,8502],{"class":6384},[5388,32307,10654],{"class":5946},[5388,32309,8508],{"class":6425},[5388,32311,32312,32314,32316,32318,32320,32323,32325,32327,32329,32331,32333,32335],{"class":5390,"line":5403},[5388,32313,6629],{"class":6384},[5388,32315,5555],{"class":5946},[5388,32317,20901],{"class":6086},[5388,32319,6399],{"class":5946},[5388,32321,32322],{"class":6038},"\"SELECT * FROM users WHERE age > ?\"",[5388,32324,5603],{"class":5946},[5388,32326,10628],{"class":6853},[5388,32328,5827],{"class":5946},[5388,32330,7739],{"class":6086},[5388,32332,7742],{"class":5946},[5388,32334,8643],{"class":6384},[5388,32336,6405],{"class":5946},[5388,32338,32339],{"class":5390,"line":5409},[5388,32340,5413],{"emptyLinePlaceholder":5412},[5388,32342,32343],{"class":5390,"line":5416},[5388,32344,32345],{"class":5936},"\u002F\u002F 2. З іменованими параметрами\n",[5388,32347,32348,32350,32352,32354,32356,32359],{"class":5390,"line":5422},[5388,32349,6629],{"class":6384},[5388,32351,5555],{"class":5946},[5388,32353,20901],{"class":6086},[5388,32355,6399],{"class":5946},[5388,32357,32358],{"class":6038},"\"SELECT * FROM users WHERE age > @age AND city = @city\"",[5388,32360,7693],{"class":5946},[5388,32362,32363,32366,32368,32371,32373,32375,32377,32379],{"class":5390,"line":5428},[5388,32364,32365],{"class":6384},"    sql",[5388,32367,5555],{"class":5946},[5388,32369,32370],{"class":6086},"Named",[5388,32372,6399],{"class":5946},[5388,32374,22683],{"class":6038},[5388,32376,5603],{"class":5946},[5388,32378,10628],{"class":6853},[5388,32380,20387],{"class":5946},[5388,32382,32383,32385,32387,32389,32391,32393,32395,32397],{"class":5390,"line":5434},[5388,32384,32365],{"class":6384},[5388,32386,5555],{"class":5946},[5388,32388,32370],{"class":6086},[5388,32390,6399],{"class":5946},[5388,32392,23371],{"class":6038},[5388,32394,5603],{"class":5946},[5388,32396,10638],{"class":6038},[5388,32398,20387],{"class":5946},[5388,32400,32401,32403,32405,32407,32409],{"class":5390,"line":5439},[5388,32402,5827],{"class":5946},[5388,32404,7739],{"class":6086},[5388,32406,7742],{"class":5946},[5388,32408,8643],{"class":6384},[5388,32410,6405],{"class":5946},[5388,32412,32413],{"class":5390,"line":5445},[5388,32414,5413],{"emptyLinePlaceholder":5412},[5388,32416,32417],{"class":5390,"line":5451},[5388,32418,32419],{"class":5936},"\u002F\u002F 3. Scan у map\n",[5388,32421,32422,32424,32426,32428,32430,32432,32434,32436,32438],{"class":5390,"line":5456},[5388,32423,10649],{"class":6096},[5388,32425,23489],{"class":6384},[5388,32427,10654],{"class":5946},[5388,32429,14532],{"class":6096},[5388,32431,14535],{"class":5946},[5388,32433,13511],{"class":6425},[5388,32435,14540],{"class":5946},[5388,32437,14543],{"class":6096},[5388,32439,8091],{"class":5946},[5388,32441,32442,32444,32446,32448,32450,32453,32455,32457,32459,32461],{"class":5390,"line":5462},[5388,32443,6629],{"class":6384},[5388,32445,5555],{"class":5946},[5388,32447,20901],{"class":6086},[5388,32449,6399],{"class":5946},[5388,32451,32452],{"class":6038},"\"SELECT id, name, email FROM users LIMIT 10\"",[5388,32454,5827],{"class":5946},[5388,32456,7739],{"class":6086},[5388,32458,7742],{"class":5946},[5388,32460,23551],{"class":6384},[5388,32462,6405],{"class":5946},[5388,32464,32465],{"class":5390,"line":5468},[5388,32466,5413],{"emptyLinePlaceholder":5412},[5388,32468,32469,32471,32473,32475,32478,32480,32482,32484],{"class":5390,"line":5474},[5388,32470,8877],{"class":6435},[5388,32472,14256],{"class":6384},[5388,32474,5603],{"class":5946},[5388,32476,32477],{"class":6384},"row",[5388,32479,6388],{"class":5946},[5388,32481,14266],{"class":6435},[5388,32483,23489],{"class":6384},[5388,32485,6561],{"class":5946},[5388,32487,32488,32490,32492,32494,32496,32498,32500,32503,32505,32507,32509,32511,32513,32515,32518,32520,32522,32524],{"class":5390,"line":5480},[5388,32489,9869],{"class":6384},[5388,32491,5555],{"class":5946},[5388,32493,13877],{"class":6086},[5388,32495,6399],{"class":5946},[5388,32497,14283],{"class":6038},[5388,32499,6579],{"class":6384},[5388,32501,32502],{"class":6038},", Name: ",[5388,32504,6579],{"class":6384},[5388,32506,6582],{"class":6038},[5388,32508,5603],{"class":5946},[5388,32510,32477],{"class":6384},[5388,32512,14535],{"class":5946},[5388,32514,23828],{"class":6038},[5388,32516,32517],{"class":5946},"], ",[5388,32519,32477],{"class":6384},[5388,32521,14535],{"class":5946},[5388,32523,22522],{"class":6038},[5388,32525,29049],{"class":5946},[5388,32527,32528],{"class":5390,"line":5486},[5388,32529,5711],{"class":5946},[5388,32531,32532],{"class":5390,"line":5491},[5388,32533,5413],{"emptyLinePlaceholder":5412},[5388,32535,32536],{"class":5390,"line":5497},[5388,32537,32538],{"class":5936},"\u002F\u002F 4. Scan у кастомну структуру\n",[5388,32540,32541,32543,32546,32548],{"class":5390,"line":5502},[5388,32542,7440],{"class":6096},[5388,32544,32545],{"class":6425}," UserSummary",[5388,32547,7446],{"class":6096},[5388,32549,6561],{"class":5946},[5388,32551,32552,32554],{"class":5390,"line":5508},[5388,32553,15123],{"class":6384},[5388,32555,14968],{"class":6425},[5388,32557,32558,32560],{"class":5390,"line":5513},[5388,32559,22804],{"class":6384},[5388,32561,22807],{"class":6425},[5388,32563,32564],{"class":5390,"line":5518},[5388,32565,5711],{"class":5946},[5388,32567,32568],{"class":5390,"line":5524},[5388,32569,5413],{"emptyLinePlaceholder":5412},[5388,32571,32572,32574,32577,32579],{"class":5390,"line":5530},[5388,32573,10649],{"class":6096},[5388,32575,32576],{"class":6384}," summaries",[5388,32578,10654],{"class":5946},[5388,32580,32581],{"class":6425},"UserSummary\n",[5388,32583,32584,32586,32588,32590,32592],{"class":5390,"line":5535},[5388,32585,6629],{"class":6384},[5388,32587,5555],{"class":5946},[5388,32589,20901],{"class":6086},[5388,32591,6399],{"class":5946},[5388,32593,7061],{"class":6038},[5388,32595,32596],{"class":5390,"line":5803},[5388,32597,32598],{"class":6038},"    SELECT u.name, COUNT(p.id) as total\n",[5388,32600,32601],{"class":5390,"line":5808},[5388,32602,32603],{"class":6038},"    FROM users u\n",[5388,32605,32606],{"class":5390,"line":7649},[5388,32607,32608],{"class":6038},"    LEFT JOIN posts p ON p.user_id = u.id\n",[5388,32610,32611],{"class":5390,"line":7654},[5388,32612,32613],{"class":6038},"    GROUP BY u.name\n",[5388,32615,32616,32619,32621,32623,32625,32628],{"class":5390,"line":7659},[5388,32617,32618],{"class":6038},"`",[5388,32620,5827],{"class":5946},[5388,32622,7739],{"class":6086},[5388,32624,7742],{"class":5946},[5388,32626,32627],{"class":6384},"summaries",[5388,32629,6405],{"class":5946},[5615,32631,32633],{"id":32632},"row-та-rows-низькорівневий-доступ","Row та Rows — низькорівневий доступ",[5379,32635,32637],{"className":6376,"code":32636,"language":6232,"meta":5384,"style":5384},"\u002F\u002F Отримати один рядок\nrow := db.Table(\"users\").Where(\"id = ?\", 1).Select(\"name, age\").Row()\n\nvar name string\nvar age int\nrow.Scan(&name, &age)\n\n\u002F\u002F Отримати кілька рядків\nrows, err := db.Table(\"users\").Where(\"age > ?\", 18).Select(\"name, age\").Rows()\nif err != nil {\n    log.Fatal(err)\n}\ndefer rows.Close()\n\nfor rows.Next() {\n    var name string\n    var age int\n    rows.Scan(&name, &age)\n    log.Printf(\"%s: %d\", name, age)\n}\n",[5204,32638,32639,32644,32690,32694,32703,32712,32732,32736,32741,32788,32800,32815,32819,32831,32835,32847,32855,32863,32881,32911],{"__ignoreMap":5384},[5388,32640,32641],{"class":5390,"line":5391},[5388,32642,32643],{"class":5936},"\u002F\u002F Отримати один рядок\n",[5388,32645,32646,32648,32650,32652,32654,32656,32658,32661,32663,32665,32667,32670,32672,32674,32676,32678,32680,32683,32685,32688],{"class":5390,"line":5397},[5388,32647,32477],{"class":6384},[5388,32649,6388],{"class":5946},[5388,32651,6629],{"class":6384},[5388,32653,5555],{"class":5946},[5388,32655,18778],{"class":6086},[5388,32657,6399],{"class":5946},[5388,32659,32660],{"class":6038},"\"users\"",[5388,32662,5827],{"class":5946},[5388,32664,14187],{"class":6086},[5388,32666,6399],{"class":5946},[5388,32668,32669],{"class":6038},"\"id = ?\"",[5388,32671,5603],{"class":5946},[5388,32673,7377],{"class":6853},[5388,32675,5827],{"class":5946},[5388,32677,22630],{"class":6086},[5388,32679,6399],{"class":5946},[5388,32681,32682],{"class":6038},"\"name, age\"",[5388,32684,5827],{"class":5946},[5388,32686,32687],{"class":6086},"Row",[5388,32689,6609],{"class":5946},[5388,32691,32692],{"class":5390,"line":5403},[5388,32693,5413],{"emptyLinePlaceholder":5412},[5388,32695,32696,32698,32701],{"class":5390,"line":5409},[5388,32697,10649],{"class":6096},[5388,32699,32700],{"class":6384}," name",[5388,32702,7472],{"class":6425},[5388,32704,32705,32707,32710],{"class":5390,"line":5416},[5388,32706,10649],{"class":6096},[5388,32708,32709],{"class":6384}," age",[5388,32711,22807],{"class":6425},[5388,32713,32714,32716,32718,32720,32722,32725,32727,32730],{"class":5390,"line":5422},[5388,32715,32477],{"class":6384},[5388,32717,5555],{"class":5946},[5388,32719,7739],{"class":6086},[5388,32721,7742],{"class":5946},[5388,32723,32724],{"class":6384},"name",[5388,32726,8559],{"class":5946},[5388,32728,32729],{"class":6384},"age",[5388,32731,6405],{"class":5946},[5388,32733,32734],{"class":5390,"line":5428},[5388,32735,5413],{"emptyLinePlaceholder":5412},[5388,32737,32738],{"class":5390,"line":5434},[5388,32739,32740],{"class":5936},"\u002F\u002F Отримати кілька рядків\n",[5388,32742,32743,32745,32747,32749,32751,32753,32755,32757,32759,32761,32763,32765,32767,32769,32771,32773,32775,32777,32779,32781,32783,32786],{"class":5390,"line":5439},[5388,32744,8544],{"class":6384},[5388,32746,5603],{"class":5946},[5388,32748,6523],{"class":6384},[5388,32750,6388],{"class":5946},[5388,32752,6629],{"class":6384},[5388,32754,5555],{"class":5946},[5388,32756,18778],{"class":6086},[5388,32758,6399],{"class":5946},[5388,32760,32660],{"class":6038},[5388,32762,5827],{"class":5946},[5388,32764,14187],{"class":6086},[5388,32766,6399],{"class":5946},[5388,32768,22396],{"class":6038},[5388,32770,5603],{"class":5946},[5388,32772,10628],{"class":6853},[5388,32774,5827],{"class":5946},[5388,32776,22630],{"class":6086},[5388,32778,6399],{"class":5946},[5388,32780,32682],{"class":6038},[5388,32782,5827],{"class":5946},[5388,32784,32785],{"class":6086},"Rows",[5388,32787,6609],{"class":5946},[5388,32789,32790,32792,32794,32796,32798],{"class":5390,"line":5445},[5388,32791,7270],{"class":6435},[5388,32793,6552],{"class":6384},[5388,32795,6555],{"class":5946},[5388,32797,6558],{"class":6096},[5388,32799,6561],{"class":5946},[5388,32801,32802,32804,32806,32809,32811,32813],{"class":5390,"line":5451},[5388,32803,9869],{"class":6384},[5388,32805,5555],{"class":5946},[5388,32807,32808],{"class":6086},"Fatal",[5388,32810,6399],{"class":5946},[5388,32812,6523],{"class":6384},[5388,32814,6405],{"class":5946},[5388,32816,32817],{"class":5390,"line":5456},[5388,32818,5711],{"class":5946},[5388,32820,32821,32823,32825,32827,32829],{"class":5390,"line":5462},[5388,32822,8764],{"class":6435},[5388,32824,8481],{"class":6384},[5388,32826,5555],{"class":5946},[5388,32828,6606],{"class":6086},[5388,32830,6609],{"class":5946},[5388,32832,32833],{"class":5390,"line":5468},[5388,32834,5413],{"emptyLinePlaceholder":5412},[5388,32836,32837,32839,32841,32843,32845],{"class":5390,"line":5474},[5388,32838,8877],{"class":6435},[5388,32840,8481],{"class":6384},[5388,32842,5555],{"class":5946},[5388,32844,8520],{"class":6086},[5388,32846,6489],{"class":5946},[5388,32848,32849,32851,32853],{"class":5390,"line":5480},[5388,32850,8499],{"class":6096},[5388,32852,32700],{"class":6384},[5388,32854,7472],{"class":6425},[5388,32856,32857,32859,32861],{"class":5390,"line":5486},[5388,32858,8499],{"class":6096},[5388,32860,32709],{"class":6384},[5388,32862,22807],{"class":6425},[5388,32864,32865,32867,32869,32871,32873,32875,32877,32879],{"class":5390,"line":5491},[5388,32866,8403],{"class":6384},[5388,32868,5555],{"class":5946},[5388,32870,7739],{"class":6086},[5388,32872,7742],{"class":5946},[5388,32874,32724],{"class":6384},[5388,32876,8559],{"class":5946},[5388,32878,32729],{"class":6384},[5388,32880,6405],{"class":5946},[5388,32882,32883,32885,32887,32889,32891,32893,32895,32897,32899,32901,32903,32905,32907,32909],{"class":5390,"line":5497},[5388,32884,9869],{"class":6384},[5388,32886,5555],{"class":5946},[5388,32888,13877],{"class":6086},[5388,32890,6399],{"class":5946},[5388,32892,6582],{"class":6038},[5388,32894,14127],{"class":6384},[5388,32896,5947],{"class":6038},[5388,32898,8226],{"class":6384},[5388,32900,6582],{"class":6038},[5388,32902,5603],{"class":5946},[5388,32904,32724],{"class":6384},[5388,32906,5603],{"class":5946},[5388,32908,32729],{"class":6384},[5388,32910,6405],{"class":5946},[5388,32912,32913],{"class":5390,"line":5502},[5388,32914,5711],{"class":5946},[5615,32916,32918],{"id":32917},"exec-виконання-команд-зміни","Exec — виконання команд зміни",[5379,32920,32922],{"className":6376,"code":32921,"language":6232,"meta":5384,"style":5384},"\u002F\u002F 1. Простий Exec\ndb.Exec(\"UPDATE users SET status = ? WHERE age \u003C ?\", \"minor\", 18)\n\n\u002F\u002F 2. Отримання кількості змінених рядків\nresult := db.Exec(\"DELETE FROM users WHERE status = ?\", \"banned\")\nlog.Printf(\"Видалено %d користувачів\", result.RowsAffected)\n\n\u002F\u002F 3. DDL команди\ndb.Exec(\"CREATE INDEX idx_users_email ON users(email)\")\ndb.Exec(\"DROP TABLE IF EXISTS temp_users\")\n\n\u002F\u002F 4. Виклик збережених процедур\ndb.Exec(\"CALL update_user_stats(?)\", userID)\n",[5204,32923,32924,32929,32952,32956,32961,32985,33013,33017,33022,33037,33052,33056,33061],{"__ignoreMap":5384},[5388,32925,32926],{"class":5390,"line":5391},[5388,32927,32928],{"class":5936},"\u002F\u002F 1. Простий Exec\n",[5388,32930,32931,32933,32935,32937,32939,32942,32944,32946,32948,32950],{"class":5390,"line":5397},[5388,32932,6629],{"class":6384},[5388,32934,5555],{"class":5946},[5388,32936,7122],{"class":6086},[5388,32938,6399],{"class":5946},[5388,32940,32941],{"class":6038},"\"UPDATE users SET status = ? WHERE age \u003C ?\"",[5388,32943,5603],{"class":5946},[5388,32945,27905],{"class":6038},[5388,32947,5603],{"class":5946},[5388,32949,10628],{"class":6853},[5388,32951,6405],{"class":5946},[5388,32953,32954],{"class":5390,"line":5403},[5388,32955,5413],{"emptyLinePlaceholder":5412},[5388,32957,32958],{"class":5390,"line":5409},[5388,32959,32960],{"class":5936},"\u002F\u002F 2. Отримання кількості змінених рядків\n",[5388,32962,32963,32965,32967,32969,32971,32973,32975,32978,32980,32983],{"class":5390,"line":5416},[5388,32964,7246],{"class":6384},[5388,32966,6388],{"class":5946},[5388,32968,6629],{"class":6384},[5388,32970,5555],{"class":5946},[5388,32972,7122],{"class":6086},[5388,32974,6399],{"class":5946},[5388,32976,32977],{"class":6038},"\"DELETE FROM users WHERE status = ?\"",[5388,32979,5603],{"class":5946},[5388,32981,32982],{"class":6038},"\"banned\"",[5388,32984,6405],{"class":5946},[5388,32986,32987,32989,32991,32993,32995,32998,33000,33003,33005,33007,33009,33011],{"class":5390,"line":5422},[5388,32988,14861],{"class":6384},[5388,32990,5555],{"class":5946},[5388,32992,13877],{"class":6086},[5388,32994,6399],{"class":5946},[5388,32996,32997],{"class":6038},"\"Видалено ",[5388,32999,8226],{"class":6384},[5388,33001,33002],{"class":6038}," користувачів\"",[5388,33004,5603],{"class":5946},[5388,33006,7246],{"class":6384},[5388,33008,5555],{"class":5946},[5388,33010,7335],{"class":6384},[5388,33012,6405],{"class":5946},[5388,33014,33015],{"class":5390,"line":5428},[5388,33016,5413],{"emptyLinePlaceholder":5412},[5388,33018,33019],{"class":5390,"line":5434},[5388,33020,33021],{"class":5936},"\u002F\u002F 3. DDL команди\n",[5388,33023,33024,33026,33028,33030,33032,33035],{"class":5390,"line":5439},[5388,33025,6629],{"class":6384},[5388,33027,5555],{"class":5946},[5388,33029,7122],{"class":6086},[5388,33031,6399],{"class":5946},[5388,33033,33034],{"class":6038},"\"CREATE INDEX idx_users_email ON users(email)\"",[5388,33036,6405],{"class":5946},[5388,33038,33039,33041,33043,33045,33047,33050],{"class":5390,"line":5445},[5388,33040,6629],{"class":6384},[5388,33042,5555],{"class":5946},[5388,33044,7122],{"class":6086},[5388,33046,6399],{"class":5946},[5388,33048,33049],{"class":6038},"\"DROP TABLE IF EXISTS temp_users\"",[5388,33051,6405],{"class":5946},[5388,33053,33054],{"class":5390,"line":5451},[5388,33055,5413],{"emptyLinePlaceholder":5412},[5388,33057,33058],{"class":5390,"line":5456},[5388,33059,33060],{"class":5936},"\u002F\u002F 4. Виклик збережених процедур\n",[5388,33062,33063,33065,33067,33069,33071,33074,33076,33079],{"class":5390,"line":5462},[5388,33064,6629],{"class":6384},[5388,33066,5555],{"class":5946},[5388,33068,7122],{"class":6086},[5388,33070,6399],{"class":5946},[5388,33072,33073],{"class":6038},"\"CALL update_user_stats(?)\"",[5388,33075,5603],{"class":5946},[5388,33077,33078],{"class":6384},"userID",[5388,33080,6405],{"class":5946},[5615,33082,33084],{"id":33083},"змішування-gorm-та-raw-sql","Змішування GORM та Raw SQL",[5379,33086,33088],{"className":6376,"code":33087,"language":6232,"meta":5384,"style":5384},"\u002F\u002F Використання GORM для побудови WHERE, але Raw для SELECT\nquery := db.Model(&User{}).\n    Where(\"age > ?\", 18).\n    Where(\"city = ?\", \"Київ\")\n\nvar results []UserSummary\nquery.Raw(`\n    SELECT name, email, age * 2 as double_age\n    FROM users\n    WHERE ` + query.Statement.SQL.String(),\n    query.Statement.Vars...,\n).Scan(&results)\n",[5204,33089,33090,33095,33113,33127,33141,33145,33155,33167,33172,33177,33201,33216],{"__ignoreMap":5384},[5388,33091,33092],{"class":5390,"line":5391},[5388,33093,33094],{"class":5936},"\u002F\u002F Використання GORM для побудови WHERE, але Raw для SELECT\n",[5388,33096,33097,33099,33101,33103,33105,33107,33109,33111],{"class":5390,"line":5397},[5388,33098,7127],{"class":6384},[5388,33100,6388],{"class":5946},[5388,33102,6629],{"class":6384},[5388,33104,5555],{"class":5946},[5388,33106,14481],{"class":6086},[5388,33108,7742],{"class":5946},[5388,33110,7617],{"class":6425},[5388,33112,23518],{"class":5946},[5388,33114,33115,33117,33119,33121,33123,33125],{"class":5390,"line":5403},[5388,33116,31390],{"class":6086},[5388,33118,6399],{"class":5946},[5388,33120,22396],{"class":6038},[5388,33122,5603],{"class":5946},[5388,33124,10628],{"class":6853},[5388,33126,14395],{"class":5946},[5388,33128,33129,33131,33133,33135,33137,33139],{"class":5390,"line":5409},[5388,33130,31390],{"class":6086},[5388,33132,6399],{"class":5946},[5388,33134,22412],{"class":6038},[5388,33136,5603],{"class":5946},[5388,33138,10638],{"class":6038},[5388,33140,6405],{"class":5946},[5388,33142,33143],{"class":5390,"line":5416},[5388,33144,5413],{"emptyLinePlaceholder":5412},[5388,33146,33147,33149,33151,33153],{"class":5390,"line":5422},[5388,33148,10649],{"class":6096},[5388,33150,23489],{"class":6384},[5388,33152,10654],{"class":5946},[5388,33154,32581],{"class":6425},[5388,33156,33157,33159,33161,33163,33165],{"class":5390,"line":5428},[5388,33158,7127],{"class":6384},[5388,33160,5555],{"class":5946},[5388,33162,20901],{"class":6086},[5388,33164,6399],{"class":5946},[5388,33166,7061],{"class":6038},[5388,33168,33169],{"class":5390,"line":5434},[5388,33170,33171],{"class":6038},"    SELECT name, email, age * 2 as double_age\n",[5388,33173,33174],{"class":5390,"line":5439},[5388,33175,33176],{"class":6038},"    FROM users\n",[5388,33178,33179,33182,33184,33186,33188,33191,33193,33195,33197,33199],{"class":5390,"line":5445},[5388,33180,33181],{"class":6038},"    WHERE `",[5388,33183,7922],{"class":5946},[5388,33185,7127],{"class":6384},[5388,33187,5555],{"class":5946},[5388,33189,33190],{"class":6384},"Statement",[5388,33192,5555],{"class":5946},[5388,33194,2923],{"class":6384},[5388,33196,5555],{"class":5946},[5388,33198,31441],{"class":6086},[5388,33200,16293],{"class":5946},[5388,33202,33203,33205,33207,33209,33211,33213],{"class":5390,"line":5451},[5388,33204,7056],{"class":6384},[5388,33206,5555],{"class":5946},[5388,33208,33190],{"class":6384},[5388,33210,5555],{"class":5946},[5388,33212,31464],{"class":6384},[5388,33214,33215],{"class":5946},"...,\n",[5388,33217,33218,33220,33222,33224,33226],{"class":5390,"line":5456},[5388,33219,5827],{"class":5946},[5388,33221,7739],{"class":6086},[5388,33223,7742],{"class":5946},[5388,33225,23551],{"class":6384},[5388,33227,6405],{"class":5946},[5580,33229,33230,33231,33234,33235,6365,33237,33240],{},"При змішуванні підходів ",[5229,33232,33233],{},"уважно стежте за SQL-ін'єкціями",". Завжди передавайте параметри через ",[5204,33236,22022],{},[5204,33238,33239],{},"sql.Named()",", а не через конкатенацію рядків.",[5615,33242,33244],{"id":33243},"субзапити-subqueries","Субзапити (Subqueries)",[5379,33246,33248],{"className":6376,"code":33247,"language":6232,"meta":5384,"style":5384},"\u002F\u002F 1. Субзапит у WHERE\nsubQuery := db.Model(&Post{}).\n    Select(\"user_id\").\n    Where(\"status = ?\", \"published\")\n\ndb.Where(\"id IN (?)\", subQuery).Find(&users)\n\u002F\u002F SELECT * FROM users WHERE id IN (\n\u002F\u002F     SELECT user_id FROM posts WHERE status = 'published'\n\u002F\u002F )\n\n\u002F\u002F 2. Субзапит у FROM\nsubQuery2 := db.Model(&User{}).\n    Select(\"id, name, age\").\n    Where(\"age > ?\", 18)\n\ndb.Table(\"(?) as u\", subQuery2).\n    Where(\"u.name LIKE ?\", \"A%\").\n    Find(&users)\n\u002F\u002F SELECT * FROM (\n\u002F\u002F     SELECT id, name, age FROM users WHERE age > 18\n\u002F\u002F ) as u\n\u002F\u002F WHERE u.name LIKE 'A%'\n",[5204,33249,33250,33255,33274,33285,33299,33303,33330,33335,33340,33345,33349,33354,33373,33384,33398,33402,33421,33437,33447,33452,33457,33462],{"__ignoreMap":5384},[5388,33251,33252],{"class":5390,"line":5391},[5388,33253,33254],{"class":5936},"\u002F\u002F 1. Субзапит у WHERE\n",[5388,33256,33257,33260,33262,33264,33266,33268,33270,33272],{"class":5390,"line":5397},[5388,33258,33259],{"class":6384},"subQuery",[5388,33261,6388],{"class":5946},[5388,33263,6629],{"class":6384},[5388,33265,5555],{"class":5946},[5388,33267,14481],{"class":6086},[5388,33269,7742],{"class":5946},[5388,33271,14924],{"class":6425},[5388,33273,23518],{"class":5946},[5388,33275,33276,33279,33281,33283],{"class":5390,"line":5403},[5388,33277,33278],{"class":6086},"    Select",[5388,33280,6399],{"class":5946},[5388,33282,31749],{"class":6038},[5388,33284,14395],{"class":5946},[5388,33286,33287,33289,33291,33293,33295,33297],{"class":5390,"line":5409},[5388,33288,31390],{"class":6086},[5388,33290,6399],{"class":5946},[5388,33292,22428],{"class":6038},[5388,33294,5603],{"class":5946},[5388,33296,29312],{"class":6038},[5388,33298,6405],{"class":5946},[5388,33300,33301],{"class":5390,"line":5416},[5388,33302,5413],{"emptyLinePlaceholder":5412},[5388,33304,33305,33307,33309,33311,33313,33316,33318,33320,33322,33324,33326,33328],{"class":5390,"line":5422},[5388,33306,6629],{"class":6384},[5388,33308,5555],{"class":5946},[5388,33310,14187],{"class":6086},[5388,33312,6399],{"class":5946},[5388,33314,33315],{"class":6038},"\"id IN (?)\"",[5388,33317,5603],{"class":5946},[5388,33319,33259],{"class":6384},[5388,33321,5827],{"class":5946},[5388,33323,14239],{"class":6086},[5388,33325,7742],{"class":5946},[5388,33327,8643],{"class":6384},[5388,33329,6405],{"class":5946},[5388,33331,33332],{"class":5390,"line":5428},[5388,33333,33334],{"class":5936},"\u002F\u002F SELECT * FROM users WHERE id IN (\n",[5388,33336,33337],{"class":5390,"line":5434},[5388,33338,33339],{"class":5936},"\u002F\u002F     SELECT user_id FROM posts WHERE status = 'published'\n",[5388,33341,33342],{"class":5390,"line":5439},[5388,33343,33344],{"class":5936},"\u002F\u002F )\n",[5388,33346,33347],{"class":5390,"line":5445},[5388,33348,5413],{"emptyLinePlaceholder":5412},[5388,33350,33351],{"class":5390,"line":5451},[5388,33352,33353],{"class":5936},"\u002F\u002F 2. Субзапит у FROM\n",[5388,33355,33356,33359,33361,33363,33365,33367,33369,33371],{"class":5390,"line":5456},[5388,33357,33358],{"class":6384},"subQuery2",[5388,33360,6388],{"class":5946},[5388,33362,6629],{"class":6384},[5388,33364,5555],{"class":5946},[5388,33366,14481],{"class":6086},[5388,33368,7742],{"class":5946},[5388,33370,7617],{"class":6425},[5388,33372,23518],{"class":5946},[5388,33374,33375,33377,33379,33382],{"class":5390,"line":5462},[5388,33376,33278],{"class":6086},[5388,33378,6399],{"class":5946},[5388,33380,33381],{"class":6038},"\"id, name, age\"",[5388,33383,14395],{"class":5946},[5388,33385,33386,33388,33390,33392,33394,33396],{"class":5390,"line":5468},[5388,33387,31390],{"class":6086},[5388,33389,6399],{"class":5946},[5388,33391,22396],{"class":6038},[5388,33393,5603],{"class":5946},[5388,33395,10628],{"class":6853},[5388,33397,6405],{"class":5946},[5388,33399,33400],{"class":5390,"line":5474},[5388,33401,5413],{"emptyLinePlaceholder":5412},[5388,33403,33404,33406,33408,33410,33412,33415,33417,33419],{"class":5390,"line":5480},[5388,33405,6629],{"class":6384},[5388,33407,5555],{"class":5946},[5388,33409,18778],{"class":6086},[5388,33411,6399],{"class":5946},[5388,33413,33414],{"class":6038},"\"(?) as u\"",[5388,33416,5603],{"class":5946},[5388,33418,33358],{"class":6384},[5388,33420,14395],{"class":5946},[5388,33422,33423,33425,33427,33430,33432,33435],{"class":5390,"line":5486},[5388,33424,31390],{"class":6086},[5388,33426,6399],{"class":5946},[5388,33428,33429],{"class":6038},"\"u.name LIKE ?\"",[5388,33431,5603],{"class":5946},[5388,33433,33434],{"class":6038},"\"A%\"",[5388,33436,14395],{"class":5946},[5388,33438,33439,33441,33443,33445],{"class":5390,"line":5491},[5388,33440,31405],{"class":6086},[5388,33442,7742],{"class":5946},[5388,33444,8643],{"class":6384},[5388,33446,6405],{"class":5946},[5388,33448,33449],{"class":5390,"line":5497},[5388,33450,33451],{"class":5936},"\u002F\u002F SELECT * FROM (\n",[5388,33453,33454],{"class":5390,"line":5502},[5388,33455,33456],{"class":5936},"\u002F\u002F     SELECT id, name, age FROM users WHERE age > 18\n",[5388,33458,33459],{"class":5390,"line":5508},[5388,33460,33461],{"class":5936},"\u002F\u002F ) as u\n",[5388,33463,33464],{"class":5390,"line":5513},[5388,33465,33466],{"class":5936},"\u002F\u002F WHERE u.name LIKE 'A%'\n",[5258,33468],{},[5261,33470,33472],{"id":33471},"розширена-робота-з-транзакціями","Розширена робота з транзакціями",[5266,33474,33475],{},"Ми вже розглянули базові транзакції, тепер заглибимося у розширені можливості.",[5615,33477,33479],{"id":33478},"транзакційний-блок-через-callback","Транзакційний блок через callback",[5266,33481,33482,33483,33486],{},"GORM надає метод ",[5204,33484,33485],{},"Transaction()",", який автоматично обробляє commit та rollback:",[5379,33488,33490],{"className":6376,"code":33489,"language":6232,"meta":5384,"style":5384},"err := db.Transaction(func(tx *gorm.DB) error {\n    \u002F\u002F Крок 1: створити користувача\n    user := User{Name: \"Alice\", Email: \"alice@example.com\"}\n    if err := tx.Create(&user).Error; err != nil {\n        return err \u002F\u002F Автоматичний rollback\n    }\n    \n    \u002F\u002F Крок 2: створити профіль\n    profile := Profile{UserID: user.ID, Bio: \"Software Engineer\"}\n    if err := tx.Create(&profile).Error; err != nil {\n        return err \u002F\u002F Автоматичний rollback\n    }\n    \n    \u002F\u002F Крок 3: нарахувати бонуси\n    if err := tx.Exec(\"INSERT INTO bonuses (user_id, amount) VALUES (?, ?)\",\n        user.ID, 100).Error; err != nil {\n        return err\n    }\n    \n    \u002F\u002F Якщо функція повертає nil, автоматичний commit\n    return nil\n})\n\nif err != nil {\n    log.Printf(\"Транзакція скасована: %v\", err)\n}\n",[5204,33491,33492,33527,33532,33558,33590,33599,33603,33607,33612,33645,33678,33686,33690,33694,33699,33720,33747,33753,33757,33761,33766,33772,33776,33780,33792,33815],{"__ignoreMap":5384},[5388,33493,33494,33496,33498,33500,33502,33505,33507,33509,33511,33513,33515,33517,33519,33521,33523,33525],{"class":5390,"line":5391},[5388,33495,6523],{"class":6384},[5388,33497,6388],{"class":5946},[5388,33499,6629],{"class":6384},[5388,33501,5555],{"class":5946},[5388,33503,33504],{"class":6086},"Transaction",[5388,33506,6399],{"class":5946},[5388,33508,6483],{"class":6096},[5388,33510,6399],{"class":5946},[5388,33512,11134],{"class":6384},[5388,33514,7036],{"class":5946},[5388,33516,13228],{"class":6425},[5388,33518,5555],{"class":5946},[5388,33520,7043],{"class":6425},[5388,33522,7046],{"class":5946},[5388,33524,7049],{"class":6425},[5388,33526,6561],{"class":5946},[5388,33528,33529],{"class":5390,"line":5397},[5388,33530,33531],{"class":5936},"    \u002F\u002F Крок 1: створити користувача\n",[5388,33533,33534,33536,33538,33540,33542,33544,33546,33548,33550,33552,33554,33556],{"class":5390,"line":5403},[5388,33535,8083],{"class":6384},[5388,33537,6388],{"class":5946},[5388,33539,7617],{"class":6425},[5388,33541,7559],{"class":5946},[5388,33543,18763],{"class":6384},[5388,33545,5947],{"class":5946},[5388,33547,17514],{"class":6038},[5388,33549,5603],{"class":5946},[5388,33551,7704],{"class":6384},[5388,33553,5947],{"class":5946},[5388,33555,13795],{"class":6038},[5388,33557,5711],{"class":5946},[5388,33559,33560,33562,33564,33566,33568,33570,33572,33574,33576,33578,33580,33582,33584,33586,33588],{"class":5390,"line":5409},[5388,33561,6549],{"class":6435},[5388,33563,6552],{"class":6384},[5388,33565,6388],{"class":5946},[5388,33567,11134],{"class":6384},[5388,33569,5555],{"class":5946},[5388,33571,7594],{"class":6086},[5388,33573,7742],{"class":5946},[5388,33575,7612],{"class":6384},[5388,33577,5827],{"class":5946},[5388,33579,13862],{"class":6384},[5388,33581,21502],{"class":5946},[5388,33583,6523],{"class":6384},[5388,33585,6555],{"class":5946},[5388,33587,6558],{"class":6096},[5388,33589,6561],{"class":5946},[5388,33591,33592,33594,33596],{"class":5390,"line":5416},[5388,33593,7146],{"class":6435},[5388,33595,6552],{"class":6384},[5388,33597,33598],{"class":5936}," \u002F\u002F Автоматичний rollback\n",[5388,33600,33601],{"class":5390,"line":5422},[5388,33602,6593],{"class":5946},[5388,33604,33605],{"class":5390,"line":5428},[5388,33606,6459],{"class":5946},[5388,33608,33609],{"class":5390,"line":5434},[5388,33610,33611],{"class":5936},"    \u002F\u002F Крок 2: створити профіль\n",[5388,33613,33614,33617,33619,33621,33623,33626,33628,33630,33632,33634,33636,33638,33640,33643],{"class":5390,"line":5439},[5388,33615,33616],{"class":6384},"    profile",[5388,33618,6388],{"class":5946},[5388,33620,14874],{"class":6425},[5388,33622,7559],{"class":5946},[5388,33624,33625],{"class":6384},"UserID",[5388,33627,5947],{"class":5946},[5388,33629,7612],{"class":6384},[5388,33631,5555],{"class":5946},[5388,33633,7749],{"class":6384},[5388,33635,5603],{"class":5946},[5388,33637,14879],{"class":6384},[5388,33639,5947],{"class":5946},[5388,33641,33642],{"class":6038},"\"Software Engineer\"",[5388,33644,5711],{"class":5946},[5388,33646,33647,33649,33651,33653,33655,33657,33659,33661,33664,33666,33668,33670,33672,33674,33676],{"class":5390,"line":5445},[5388,33648,6549],{"class":6435},[5388,33650,6552],{"class":6384},[5388,33652,6388],{"class":5946},[5388,33654,11134],{"class":6384},[5388,33656,5555],{"class":5946},[5388,33658,7594],{"class":6086},[5388,33660,7742],{"class":5946},[5388,33662,33663],{"class":6384},"profile",[5388,33665,5827],{"class":5946},[5388,33667,13862],{"class":6384},[5388,33669,21502],{"class":5946},[5388,33671,6523],{"class":6384},[5388,33673,6555],{"class":5946},[5388,33675,6558],{"class":6096},[5388,33677,6561],{"class":5946},[5388,33679,33680,33682,33684],{"class":5390,"line":5451},[5388,33681,7146],{"class":6435},[5388,33683,6552],{"class":6384},[5388,33685,33598],{"class":5936},[5388,33687,33688],{"class":5390,"line":5456},[5388,33689,6593],{"class":5946},[5388,33691,33692],{"class":5390,"line":5462},[5388,33693,6459],{"class":5946},[5388,33695,33696],{"class":5390,"line":5468},[5388,33697,33698],{"class":5936},"    \u002F\u002F Крок 3: нарахувати бонуси\n",[5388,33700,33701,33703,33705,33707,33709,33711,33713,33715,33718],{"class":5390,"line":5474},[5388,33702,6549],{"class":6435},[5388,33704,6552],{"class":6384},[5388,33706,6388],{"class":5946},[5388,33708,11134],{"class":6384},[5388,33710,5555],{"class":5946},[5388,33712,7122],{"class":6086},[5388,33714,6399],{"class":5946},[5388,33716,33717],{"class":6038},"\"INSERT INTO bonuses (user_id, amount) VALUES (?, ?)\"",[5388,33719,7693],{"class":5946},[5388,33721,33722,33724,33726,33728,33730,33733,33735,33737,33739,33741,33743,33745],{"class":5390,"line":5480},[5388,33723,7699],{"class":6384},[5388,33725,5555],{"class":5946},[5388,33727,7749],{"class":6384},[5388,33729,5603],{"class":5946},[5388,33731,33732],{"class":6853},"100",[5388,33734,5827],{"class":5946},[5388,33736,13862],{"class":6384},[5388,33738,21502],{"class":5946},[5388,33740,6523],{"class":6384},[5388,33742,6555],{"class":5946},[5388,33744,6558],{"class":6096},[5388,33746,6561],{"class":5946},[5388,33748,33749,33751],{"class":5390,"line":5486},[5388,33750,7146],{"class":6435},[5388,33752,7285],{"class":6384},[5388,33754,33755],{"class":5390,"line":5491},[5388,33756,6593],{"class":5946},[5388,33758,33759],{"class":5390,"line":5497},[5388,33760,6459],{"class":5946},[5388,33762,33763],{"class":5390,"line":5502},[5388,33764,33765],{"class":5936},"    \u002F\u002F Якщо функція повертає nil, автоматичний commit\n",[5388,33767,33768,33770],{"class":5390,"line":5508},[5388,33769,7198],{"class":6435},[5388,33771,7201],{"class":6096},[5388,33773,33774],{"class":5390,"line":5513},[5388,33775,14574],{"class":5946},[5388,33777,33778],{"class":5390,"line":5518},[5388,33779,5413],{"emptyLinePlaceholder":5412},[5388,33781,33782,33784,33786,33788,33790],{"class":5390,"line":5524},[5388,33783,7270],{"class":6435},[5388,33785,6552],{"class":6384},[5388,33787,6555],{"class":5946},[5388,33789,6558],{"class":6096},[5388,33791,6561],{"class":5946},[5388,33793,33794,33796,33798,33800,33802,33805,33807,33809,33811,33813],{"class":5390,"line":5530},[5388,33795,9869],{"class":6384},[5388,33797,5555],{"class":5946},[5388,33799,13877],{"class":6086},[5388,33801,6399],{"class":5946},[5388,33803,33804],{"class":6038},"\"Транзакція скасована: ",[5388,33806,6579],{"class":6384},[5388,33808,6582],{"class":6038},[5388,33810,5603],{"class":5946},[5388,33812,6523],{"class":6384},[5388,33814,6405],{"class":5946},[5388,33816,33817],{"class":5390,"line":5535},[5388,33818,5711],{"class":5946},[5266,33820,33821],{},[5229,33822,18986],{},[5194,33824,33825,33832,33835],{},[5197,33826,33827,33828,10560,33830,5555],{},"Не потрібно вручну викликати ",[5204,33829,10867],{},[5204,33831,10871],{},[5197,33833,33834],{},"Гарантована обробка помилок.",[5197,33836,33837],{},"Чистий, читабельний код.",[5615,33839,33841],{"id":33840},"вкладені-транзакції-savepoints","Вкладені транзакції (SavePoints)",[5266,33843,33844,33845,6786],{},"PostgreSQL підтримує вкладені транзакції через механізм ",[5229,33846,33847],{},"SavePoint",[5379,33849,33851],{"className":6376,"code":33850,"language":6232,"meta":5384,"style":5384},"db.Transaction(func(tx *gorm.DB) error {\n    tx.Create(&user1)\n    \n    \u002F\u002F Вкладена транзакція\n    tx.SavePoint(\"sp1\")\n    tx.Create(&user2)\n    \n    if someCondition {\n        tx.RollbackTo(\"sp1\") \u002F\u002F Відкотити лише user2\n    }\n    \n    tx.SavePoint(\"sp2\")\n    tx.Create(&user3)\n    tx.RollbackTo(\"sp2\") \u002F\u002F Відкотити лише user3\n    \n    return nil \u002F\u002F Commit user1 та user2 (якщо не відкочено)\n})\n",[5204,33852,33853,33883,33898,33902,33907,33922,33937,33941,33950,33969,33973,33977,33992,34007,34024,34028,34037],{"__ignoreMap":5384},[5388,33854,33855,33857,33859,33861,33863,33865,33867,33869,33871,33873,33875,33877,33879,33881],{"class":5390,"line":5391},[5388,33856,6629],{"class":6384},[5388,33858,5555],{"class":5946},[5388,33860,33504],{"class":6086},[5388,33862,6399],{"class":5946},[5388,33864,6483],{"class":6096},[5388,33866,6399],{"class":5946},[5388,33868,11134],{"class":6384},[5388,33870,7036],{"class":5946},[5388,33872,13228],{"class":6425},[5388,33874,5555],{"class":5946},[5388,33876,7043],{"class":6425},[5388,33878,7046],{"class":5946},[5388,33880,7049],{"class":6425},[5388,33882,6561],{"class":5946},[5388,33884,33885,33887,33889,33891,33893,33896],{"class":5390,"line":5397},[5388,33886,10940],{"class":6384},[5388,33888,5555],{"class":5946},[5388,33890,7594],{"class":6086},[5388,33892,7742],{"class":5946},[5388,33894,33895],{"class":6384},"user1",[5388,33897,6405],{"class":5946},[5388,33899,33900],{"class":5390,"line":5403},[5388,33901,6459],{"class":5946},[5388,33903,33904],{"class":5390,"line":5409},[5388,33905,33906],{"class":5936},"    \u002F\u002F Вкладена транзакція\n",[5388,33908,33909,33911,33913,33915,33917,33920],{"class":5390,"line":5416},[5388,33910,10940],{"class":6384},[5388,33912,5555],{"class":5946},[5388,33914,33847],{"class":6086},[5388,33916,6399],{"class":5946},[5388,33918,33919],{"class":6038},"\"sp1\"",[5388,33921,6405],{"class":5946},[5388,33923,33924,33926,33928,33930,33932,33935],{"class":5390,"line":5422},[5388,33925,10940],{"class":6384},[5388,33927,5555],{"class":5946},[5388,33929,7594],{"class":6086},[5388,33931,7742],{"class":5946},[5388,33933,33934],{"class":6384},"user2",[5388,33936,6405],{"class":5946},[5388,33938,33939],{"class":5390,"line":5428},[5388,33940,6459],{"class":5946},[5388,33942,33943,33945,33948],{"class":5390,"line":5434},[5388,33944,6549],{"class":6435},[5388,33946,33947],{"class":6384}," someCondition",[5388,33949,6561],{"class":5946},[5388,33951,33952,33955,33957,33960,33962,33964,33966],{"class":5390,"line":5439},[5388,33953,33954],{"class":6384},"        tx",[5388,33956,5555],{"class":5946},[5388,33958,33959],{"class":6086},"RollbackTo",[5388,33961,6399],{"class":5946},[5388,33963,33919],{"class":6038},[5388,33965,7046],{"class":5946},[5388,33967,33968],{"class":5936},"\u002F\u002F Відкотити лише user2\n",[5388,33970,33971],{"class":5390,"line":5445},[5388,33972,6593],{"class":5946},[5388,33974,33975],{"class":5390,"line":5451},[5388,33976,6459],{"class":5946},[5388,33978,33979,33981,33983,33985,33987,33990],{"class":5390,"line":5456},[5388,33980,10940],{"class":6384},[5388,33982,5555],{"class":5946},[5388,33984,33847],{"class":6086},[5388,33986,6399],{"class":5946},[5388,33988,33989],{"class":6038},"\"sp2\"",[5388,33991,6405],{"class":5946},[5388,33993,33994,33996,33998,34000,34002,34005],{"class":5390,"line":5462},[5388,33995,10940],{"class":6384},[5388,33997,5555],{"class":5946},[5388,33999,7594],{"class":6086},[5388,34001,7742],{"class":5946},[5388,34003,34004],{"class":6384},"user3",[5388,34006,6405],{"class":5946},[5388,34008,34009,34011,34013,34015,34017,34019,34021],{"class":5390,"line":5468},[5388,34010,10940],{"class":6384},[5388,34012,5555],{"class":5946},[5388,34014,33959],{"class":6086},[5388,34016,6399],{"class":5946},[5388,34018,33989],{"class":6038},[5388,34020,7046],{"class":5946},[5388,34022,34023],{"class":5936},"\u002F\u002F Відкотити лише user3\n",[5388,34025,34026],{"class":5390,"line":5474},[5388,34027,6459],{"class":5946},[5388,34029,34030,34032,34034],{"class":5390,"line":5480},[5388,34031,7198],{"class":6435},[5388,34033,8209],{"class":6096},[5388,34035,34036],{"class":5936}," \u002F\u002F Commit user1 та user2 (якщо не відкочено)\n",[5388,34038,34039],{"class":5390,"line":5486},[5388,34040,14574],{"class":5946},[5266,34042,34043],{},[5229,34044,34045],{},"Автоматичні SavePoints через вкладені Transaction():",[5379,34047,34049],{"className":6376,"code":34048,"language":6232,"meta":5384,"style":5384},"db.Transaction(func(tx *gorm.DB) error {\n    tx.Create(&user)\n    \n    \u002F\u002F Вкладена транзакція автоматично створює SavePoint\n    tx.Transaction(func(tx2 *gorm.DB) error {\n        tx2.Create(&profile)\n        \n        if err := validate(profile); err != nil {\n            return err \u002F\u002F Відкат лише profile, user залишається\n        }\n        \n        return nil\n    })\n    \n    tx.Create(&settings)\n    return nil\n})\n",[5204,34050,34051,34081,34095,34099,34104,34135,34150,34155,34180,34189,34193,34197,34203,34207,34211,34226,34232],{"__ignoreMap":5384},[5388,34052,34053,34055,34057,34059,34061,34063,34065,34067,34069,34071,34073,34075,34077,34079],{"class":5390,"line":5391},[5388,34054,6629],{"class":6384},[5388,34056,5555],{"class":5946},[5388,34058,33504],{"class":6086},[5388,34060,6399],{"class":5946},[5388,34062,6483],{"class":6096},[5388,34064,6399],{"class":5946},[5388,34066,11134],{"class":6384},[5388,34068,7036],{"class":5946},[5388,34070,13228],{"class":6425},[5388,34072,5555],{"class":5946},[5388,34074,7043],{"class":6425},[5388,34076,7046],{"class":5946},[5388,34078,7049],{"class":6425},[5388,34080,6561],{"class":5946},[5388,34082,34083,34085,34087,34089,34091,34093],{"class":5390,"line":5397},[5388,34084,10940],{"class":6384},[5388,34086,5555],{"class":5946},[5388,34088,7594],{"class":6086},[5388,34090,7742],{"class":5946},[5388,34092,7612],{"class":6384},[5388,34094,6405],{"class":5946},[5388,34096,34097],{"class":5390,"line":5403},[5388,34098,6459],{"class":5946},[5388,34100,34101],{"class":5390,"line":5409},[5388,34102,34103],{"class":5936},"    \u002F\u002F Вкладена транзакція автоматично створює SavePoint\n",[5388,34105,34106,34108,34110,34112,34114,34116,34118,34121,34123,34125,34127,34129,34131,34133],{"class":5390,"line":5416},[5388,34107,10940],{"class":6384},[5388,34109,5555],{"class":5946},[5388,34111,33504],{"class":6086},[5388,34113,6399],{"class":5946},[5388,34115,6483],{"class":6096},[5388,34117,6399],{"class":5946},[5388,34119,34120],{"class":6384},"tx2",[5388,34122,7036],{"class":5946},[5388,34124,13228],{"class":6425},[5388,34126,5555],{"class":5946},[5388,34128,7043],{"class":6425},[5388,34130,7046],{"class":5946},[5388,34132,7049],{"class":6425},[5388,34134,6561],{"class":5946},[5388,34136,34137,34140,34142,34144,34146,34148],{"class":5390,"line":5422},[5388,34138,34139],{"class":6384},"        tx2",[5388,34141,5555],{"class":5946},[5388,34143,7594],{"class":6086},[5388,34145,7742],{"class":5946},[5388,34147,33663],{"class":6384},[5388,34149,6405],{"class":5946},[5388,34151,34152],{"class":5390,"line":5428},[5388,34153,34154],{"class":5946},"        \n",[5388,34156,34157,34159,34161,34163,34166,34168,34170,34172,34174,34176,34178],{"class":5390,"line":5434},[5388,34158,8537],{"class":6435},[5388,34160,6552],{"class":6384},[5388,34162,6388],{"class":5946},[5388,34164,34165],{"class":6086},"validate",[5388,34167,6399],{"class":5946},[5388,34169,33663],{"class":6384},[5388,34171,8584],{"class":5946},[5388,34173,6523],{"class":6384},[5388,34175,6555],{"class":5946},[5388,34177,6558],{"class":6096},[5388,34179,6561],{"class":5946},[5388,34181,34182,34184,34186],{"class":5390,"line":5439},[5388,34183,8597],{"class":6435},[5388,34185,6552],{"class":6384},[5388,34187,34188],{"class":5936}," \u002F\u002F Відкат лише profile, user залишається\n",[5388,34190,34191],{"class":5390,"line":5445},[5388,34192,8627],{"class":5946},[5388,34194,34195],{"class":5390,"line":5451},[5388,34196,34154],{"class":5946},[5388,34198,34199,34201],{"class":5390,"line":5456},[5388,34200,7146],{"class":6435},[5388,34202,7201],{"class":6096},[5388,34204,34205],{"class":5390,"line":5462},[5388,34206,26796],{"class":5946},[5388,34208,34209],{"class":5390,"line":5468},[5388,34210,6459],{"class":5946},[5388,34212,34213,34215,34217,34219,34221,34224],{"class":5390,"line":5474},[5388,34214,10940],{"class":6384},[5388,34216,5555],{"class":5946},[5388,34218,7594],{"class":6086},[5388,34220,7742],{"class":5946},[5388,34222,34223],{"class":6384},"settings",[5388,34225,6405],{"class":5946},[5388,34227,34228,34230],{"class":5390,"line":5480},[5388,34229,7198],{"class":6435},[5388,34231,7201],{"class":6096},[5388,34233,34234],{"class":5390,"line":5486},[5388,34235,14574],{"class":5946},[5615,34237,34239],{"id":34238},"ручні-savepoints","Ручні SavePoints",[5379,34241,34243],{"className":6376,"code":34242,"language":6232,"meta":5384,"style":5384},"tx := db.Begin()\n\ntx.Create(&user)\n\ntx.SavePoint(\"before_profile\")\ntx.Create(&profile)\n\nif profile.Bio == \"\" {\n    tx.RollbackTo(\"before_profile\")\n    \u002F\u002F profile не створено, але user залишається\n}\n\ntx.Commit()\n",[5204,34244,34245,34260,34264,34278,34282,34297,34311,34315,34332,34346,34351,34355,34359],{"__ignoreMap":5384},[5388,34246,34247,34249,34251,34253,34255,34258],{"class":5390,"line":5391},[5388,34248,11134],{"class":6384},[5388,34250,6388],{"class":5946},[5388,34252,6629],{"class":6384},[5388,34254,5555],{"class":5946},[5388,34256,34257],{"class":6086},"Begin",[5388,34259,6609],{"class":5946},[5388,34261,34262],{"class":5390,"line":5397},[5388,34263,5413],{"emptyLinePlaceholder":5412},[5388,34265,34266,34268,34270,34272,34274,34276],{"class":5390,"line":5403},[5388,34267,11134],{"class":6384},[5388,34269,5555],{"class":5946},[5388,34271,7594],{"class":6086},[5388,34273,7742],{"class":5946},[5388,34275,7612],{"class":6384},[5388,34277,6405],{"class":5946},[5388,34279,34280],{"class":5390,"line":5409},[5388,34281,5413],{"emptyLinePlaceholder":5412},[5388,34283,34284,34286,34288,34290,34292,34295],{"class":5390,"line":5416},[5388,34285,11134],{"class":6384},[5388,34287,5555],{"class":5946},[5388,34289,33847],{"class":6086},[5388,34291,6399],{"class":5946},[5388,34293,34294],{"class":6038},"\"before_profile\"",[5388,34296,6405],{"class":5946},[5388,34298,34299,34301,34303,34305,34307,34309],{"class":5390,"line":5422},[5388,34300,11134],{"class":6384},[5388,34302,5555],{"class":5946},[5388,34304,7594],{"class":6086},[5388,34306,7742],{"class":5946},[5388,34308,33663],{"class":6384},[5388,34310,6405],{"class":5946},[5388,34312,34313],{"class":5390,"line":5428},[5388,34314,5413],{"emptyLinePlaceholder":5412},[5388,34316,34317,34319,34322,34324,34326,34328,34330],{"class":5390,"line":5434},[5388,34318,7270],{"class":6435},[5388,34320,34321],{"class":6384}," profile",[5388,34323,5555],{"class":5946},[5388,34325,14879],{"class":6384},[5388,34327,8193],{"class":5946},[5388,34329,15680],{"class":6038},[5388,34331,6561],{"class":5946},[5388,34333,34334,34336,34338,34340,34342,34344],{"class":5390,"line":5439},[5388,34335,10940],{"class":6384},[5388,34337,5555],{"class":5946},[5388,34339,33959],{"class":6086},[5388,34341,6399],{"class":5946},[5388,34343,34294],{"class":6038},[5388,34345,6405],{"class":5946},[5388,34347,34348],{"class":5390,"line":5445},[5388,34349,34350],{"class":5936},"    \u002F\u002F profile не створено, але user залишається\n",[5388,34352,34353],{"class":5390,"line":5451},[5388,34354,5711],{"class":5946},[5388,34356,34357],{"class":5390,"line":5456},[5388,34358,5413],{"emptyLinePlaceholder":5412},[5388,34360,34361,34363,34365,34367],{"class":5390,"line":5462},[5388,34362,11134],{"class":6384},[5388,34364,5555],{"class":5946},[5388,34366,11324],{"class":6086},[5388,34368,6609],{"class":5946},[5615,34370,34372],{"id":34371},"рівні-ізоляції","Рівні ізоляції",[5266,34374,34375],{},"GORM підтримує налаштування рівнів ізоляції транзакцій:",[5379,34377,34379],{"className":6376,"code":34378,"language":6232,"meta":5384,"style":5384},"import \"database\u002Fsql\"\n\n\u002F\u002F Serializable — найвищий рівень ізоляції\ntx := db.Begin(&sql.TxOptions{Isolation: sql.LevelSerializable})\ntx.First(&user, 1)\ntx.Commit()\n\n\u002F\u002F Read Committed (за замовчуванням у PostgreSQL)\ntx := db.Begin(&sql.TxOptions{Isolation: sql.LevelReadCommitted})\n\n\u002F\u002F Repeatable Read\ntx := db.Begin(&sql.TxOptions{Isolation: sql.LevelRepeatableRead})\n\n\u002F\u002F Read Uncommitted (найнижчий рівень)\ntx := db.Begin(&sql.TxOptions{Isolation: sql.LevelReadUncommitted})\n",[5204,34380,34381,34388,34392,34397,34434,34452,34462,34466,34471,34506,34510,34515,34550,34554,34559],{"__ignoreMap":5384},[5388,34382,34383,34385],{"class":5390,"line":5391},[5388,34384,6436],{"class":6435},[5388,34386,34387],{"class":6038}," \"database\u002Fsql\"\n",[5388,34389,34390],{"class":5390,"line":5397},[5388,34391,5413],{"emptyLinePlaceholder":5412},[5388,34393,34394],{"class":5390,"line":5403},[5388,34395,34396],{"class":5936},"\u002F\u002F Serializable — найвищий рівень ізоляції\n",[5388,34398,34399,34401,34403,34405,34407,34409,34411,34413,34415,34418,34420,34423,34425,34427,34429,34432],{"class":5390,"line":5409},[5388,34400,11134],{"class":6384},[5388,34402,6388],{"class":5946},[5388,34404,6629],{"class":6384},[5388,34406,5555],{"class":5946},[5388,34408,34257],{"class":6086},[5388,34410,7742],{"class":5946},[5388,34412,6528],{"class":6425},[5388,34414,5555],{"class":5946},[5388,34416,34417],{"class":6425},"TxOptions",[5388,34419,7559],{"class":5946},[5388,34421,34422],{"class":6384},"Isolation",[5388,34424,5947],{"class":5946},[5388,34426,6528],{"class":6384},[5388,34428,5555],{"class":5946},[5388,34430,34431],{"class":6384},"LevelSerializable",[5388,34433,14574],{"class":5946},[5388,34435,34436,34438,34440,34442,34444,34446,34448,34450],{"class":5390,"line":5416},[5388,34437,11134],{"class":6384},[5388,34439,5555],{"class":5946},[5388,34441,14003],{"class":6086},[5388,34443,7742],{"class":5946},[5388,34445,7612],{"class":6384},[5388,34447,5603],{"class":5946},[5388,34449,7377],{"class":6853},[5388,34451,6405],{"class":5946},[5388,34453,34454,34456,34458,34460],{"class":5390,"line":5422},[5388,34455,11134],{"class":6384},[5388,34457,5555],{"class":5946},[5388,34459,11324],{"class":6086},[5388,34461,6609],{"class":5946},[5388,34463,34464],{"class":5390,"line":5428},[5388,34465,5413],{"emptyLinePlaceholder":5412},[5388,34467,34468],{"class":5390,"line":5434},[5388,34469,34470],{"class":5936},"\u002F\u002F Read Committed (за замовчуванням у PostgreSQL)\n",[5388,34472,34473,34475,34477,34479,34481,34483,34485,34487,34489,34491,34493,34495,34497,34499,34501,34504],{"class":5390,"line":5439},[5388,34474,11134],{"class":6384},[5388,34476,6388],{"class":5946},[5388,34478,6629],{"class":6384},[5388,34480,5555],{"class":5946},[5388,34482,34257],{"class":6086},[5388,34484,7742],{"class":5946},[5388,34486,6528],{"class":6425},[5388,34488,5555],{"class":5946},[5388,34490,34417],{"class":6425},[5388,34492,7559],{"class":5946},[5388,34494,34422],{"class":6384},[5388,34496,5947],{"class":5946},[5388,34498,6528],{"class":6384},[5388,34500,5555],{"class":5946},[5388,34502,34503],{"class":6384},"LevelReadCommitted",[5388,34505,14574],{"class":5946},[5388,34507,34508],{"class":5390,"line":5445},[5388,34509,5413],{"emptyLinePlaceholder":5412},[5388,34511,34512],{"class":5390,"line":5451},[5388,34513,34514],{"class":5936},"\u002F\u002F Repeatable Read\n",[5388,34516,34517,34519,34521,34523,34525,34527,34529,34531,34533,34535,34537,34539,34541,34543,34545,34548],{"class":5390,"line":5456},[5388,34518,11134],{"class":6384},[5388,34520,6388],{"class":5946},[5388,34522,6629],{"class":6384},[5388,34524,5555],{"class":5946},[5388,34526,34257],{"class":6086},[5388,34528,7742],{"class":5946},[5388,34530,6528],{"class":6425},[5388,34532,5555],{"class":5946},[5388,34534,34417],{"class":6425},[5388,34536,7559],{"class":5946},[5388,34538,34422],{"class":6384},[5388,34540,5947],{"class":5946},[5388,34542,6528],{"class":6384},[5388,34544,5555],{"class":5946},[5388,34546,34547],{"class":6384},"LevelRepeatableRead",[5388,34549,14574],{"class":5946},[5388,34551,34552],{"class":5390,"line":5462},[5388,34553,5413],{"emptyLinePlaceholder":5412},[5388,34555,34556],{"class":5390,"line":5468},[5388,34557,34558],{"class":5936},"\u002F\u002F Read Uncommitted (найнижчий рівень)\n",[5388,34560,34561,34563,34565,34567,34569,34571,34573,34575,34577,34579,34581,34583,34585,34587,34589,34592],{"class":5390,"line":5474},[5388,34562,11134],{"class":6384},[5388,34564,6388],{"class":5946},[5388,34566,6629],{"class":6384},[5388,34568,5555],{"class":5946},[5388,34570,34257],{"class":6086},[5388,34572,7742],{"class":5946},[5388,34574,6528],{"class":6425},[5388,34576,5555],{"class":5946},[5388,34578,34417],{"class":6425},[5388,34580,7559],{"class":5946},[5388,34582,34422],{"class":6384},[5388,34584,5947],{"class":5946},[5388,34586,6528],{"class":6384},[5388,34588,5555],{"class":5946},[5388,34590,34591],{"class":6384},"LevelReadUncommitted",[5388,34593,14574],{"class":5946},[5266,34595,34596],{},[5229,34597,34598],{},"Рівні ізоляції (від найнижчого до найвищого):",[5275,34600,34601,34607,34613,34619],{},[5197,34602,34603,34606],{},[5229,34604,34605],{},"Read Uncommitted:"," можна читати незакомічені дані (dirty reads).",[5197,34608,34609,34612],{},[5229,34610,34611],{},"Read Committed:"," лише закомічені дані, але можливі non-repeatable reads.",[5197,34614,34615,34618],{},[5229,34616,34617],{},"Repeatable Read:"," незмінність даних протягом транзакції, але можливі phantom reads.",[5197,34620,34621,34624],{},[5229,34622,34623],{},"Serializable:"," повна ізоляція, як би транзакції виконувалися послідовно.",[5350,34626,34627,34630,34632,34633,34636,34637,34639,34640,34642],{},[5229,34628,34629],{},"PostgreSQL особливості:",[6727,34631],{},"\nPostgreSQL не має справжнього ",[5204,34634,34635],{},"Read Uncommitted"," — він працює як ",[5204,34638,10844],{},". Також ",[5204,34641,10847],{}," у PostgreSQL запобігає phantom reads, на відміну від стандарту SQL.",[5615,34644,34646],{"id":34645},"read-only-транзакції","Read-Only транзакції",[5379,34648,34650],{"className":6376,"code":34649,"language":6232,"meta":5384,"style":5384},"tx := db.Begin(&sql.TxOptions{ReadOnly: true})\ndefer tx.Rollback()\n\n\u002F\u002F Дозволено\nvar users []User\ntx.Find(&users)\n\n\u002F\u002F Заборонено (помилка)\ntx.Create(&user) \u002F\u002F Error: cannot execute INSERT in a read-only transaction\n\ntx.Commit()\n",[5204,34651,34652,34683,34695,34699,34704,34714,34728,34732,34737,34754,34758],{"__ignoreMap":5384},[5388,34653,34654,34656,34658,34660,34662,34664,34666,34668,34670,34672,34674,34677,34679,34681],{"class":5390,"line":5391},[5388,34655,11134],{"class":6384},[5388,34657,6388],{"class":5946},[5388,34659,6629],{"class":6384},[5388,34661,5555],{"class":5946},[5388,34663,34257],{"class":6086},[5388,34665,7742],{"class":5946},[5388,34667,6528],{"class":6425},[5388,34669,5555],{"class":5946},[5388,34671,34417],{"class":6425},[5388,34673,7559],{"class":5946},[5388,34675,34676],{"class":6384},"ReadOnly",[5388,34678,5947],{"class":5946},[5388,34680,8783],{"class":6096},[5388,34682,14574],{"class":5946},[5388,34684,34685,34687,34689,34691,34693],{"class":5390,"line":5397},[5388,34686,8764],{"class":6435},[5388,34688,11711],{"class":6384},[5388,34690,5555],{"class":5946},[5388,34692,11058],{"class":6086},[5388,34694,6609],{"class":5946},[5388,34696,34697],{"class":5390,"line":5403},[5388,34698,5413],{"emptyLinePlaceholder":5412},[5388,34700,34701],{"class":5390,"line":5409},[5388,34702,34703],{"class":5936},"\u002F\u002F Дозволено\n",[5388,34705,34706,34708,34710,34712],{"class":5390,"line":5416},[5388,34707,10649],{"class":6096},[5388,34709,8502],{"class":6384},[5388,34711,10654],{"class":5946},[5388,34713,8508],{"class":6425},[5388,34715,34716,34718,34720,34722,34724,34726],{"class":5390,"line":5422},[5388,34717,11134],{"class":6384},[5388,34719,5555],{"class":5946},[5388,34721,14239],{"class":6086},[5388,34723,7742],{"class":5946},[5388,34725,8643],{"class":6384},[5388,34727,6405],{"class":5946},[5388,34729,34730],{"class":5390,"line":5428},[5388,34731,5413],{"emptyLinePlaceholder":5412},[5388,34733,34734],{"class":5390,"line":5434},[5388,34735,34736],{"class":5936},"\u002F\u002F Заборонено (помилка)\n",[5388,34738,34739,34741,34743,34745,34747,34749,34751],{"class":5390,"line":5439},[5388,34740,11134],{"class":6384},[5388,34742,5555],{"class":5946},[5388,34744,7594],{"class":6086},[5388,34746,7742],{"class":5946},[5388,34748,7612],{"class":6384},[5388,34750,7046],{"class":5946},[5388,34752,34753],{"class":5936},"\u002F\u002F Error: cannot execute INSERT in a read-only transaction\n",[5388,34755,34756],{"class":5390,"line":5445},[5388,34757,5413],{"emptyLinePlaceholder":5412},[5388,34759,34760,34762,34764,34766],{"class":5390,"line":5451},[5388,34761,11134],{"class":6384},[5388,34763,5555],{"class":5946},[5388,34765,11324],{"class":6086},[5388,34767,6609],{"class":5946},[5266,34769,34770],{},[5229,34771,34772],{},"Переваги Read-Only:",[5194,34774,34775,34778],{},[5197,34776,34777],{},"База даних може оптимізувати запити (не блокувати рядки).",[5197,34779,34780],{},"Захист від випадкових змін.",[5615,34782,34784],{"id":34783},"pessimistic-locking-блокування-на-читання","Pessimistic Locking — блокування на читання",[5379,34786,34788],{"className":6376,"code":34787,"language":6232,"meta":5384,"style":5384},"\u002F\u002F FOR UPDATE — ексклюзивне блокування\nvar user User\ntx := db.Begin()\n\ntx.Clauses(clause.Locking{Strength: \"UPDATE\"}).First(&user, 1)\n\u002F\u002F SELECT * FROM users WHERE id = 1 FOR UPDATE\n\n\u002F\u002F Інші транзакції чекатимуть, поки ця не завершиться\nuser.Balance -= 100\ntx.Save(&user)\ntx.Commit()\n\n\u002F\u002F FOR SHARE — блокування на запис (дозволяє читання іншим)\ntx.Clauses(clause.Locking{Strength: \"SHARE\"}).First(&user, 1)\n\u002F\u002F SELECT * FROM users WHERE id = 1 FOR SHARE\n\n\u002F\u002F NOWAIT — не чекати, якщо заблоковано\ntx.Clauses(clause.Locking{\n    Strength: \"UPDATE\",\n    Options:  \"NOWAIT\",\n}).First(&user, 1)\n\u002F\u002F Якщо рядок заблоковано, поверне помилку замість очікування\n",[5204,34789,34790,34795,34803,34817,34821,34861,34866,34870,34875,34890,34904,34914,34918,34923,34962,34967,34971,34976,34994,35005,35017,35033],{"__ignoreMap":5384},[5388,34791,34792],{"class":5390,"line":5391},[5388,34793,34794],{"class":5936},"\u002F\u002F FOR UPDATE — ексклюзивне блокування\n",[5388,34796,34797,34799,34801],{"class":5390,"line":5397},[5388,34798,10649],{"class":6096},[5388,34800,8295],{"class":6384},[5388,34802,14828],{"class":6425},[5388,34804,34805,34807,34809,34811,34813,34815],{"class":5390,"line":5403},[5388,34806,11134],{"class":6384},[5388,34808,6388],{"class":5946},[5388,34810,6629],{"class":6384},[5388,34812,5555],{"class":5946},[5388,34814,34257],{"class":6086},[5388,34816,6609],{"class":5946},[5388,34818,34819],{"class":5390,"line":5409},[5388,34820,5413],{"emptyLinePlaceholder":5412},[5388,34822,34823,34825,34827,34829,34831,34833,34835,34838,34840,34843,34845,34847,34849,34851,34853,34855,34857,34859],{"class":5390,"line":5416},[5388,34824,11134],{"class":6384},[5388,34826,5555],{"class":5946},[5388,34828,27248],{"class":6086},[5388,34830,6399],{"class":5946},[5388,34832,27253],{"class":6425},[5388,34834,5555],{"class":5946},[5388,34836,34837],{"class":6425},"Locking",[5388,34839,7559],{"class":5946},[5388,34841,34842],{"class":6384},"Strength",[5388,34844,5947],{"class":5946},[5388,34846,16259],{"class":6038},[5388,34848,21916],{"class":5946},[5388,34850,14003],{"class":6086},[5388,34852,7742],{"class":5946},[5388,34854,7612],{"class":6384},[5388,34856,5603],{"class":5946},[5388,34858,7377],{"class":6853},[5388,34860,6405],{"class":5946},[5388,34862,34863],{"class":5390,"line":5422},[5388,34864,34865],{"class":5936},"\u002F\u002F SELECT * FROM users WHERE id = 1 FOR UPDATE\n",[5388,34867,34868],{"class":5390,"line":5428},[5388,34869,5413],{"emptyLinePlaceholder":5412},[5388,34871,34872],{"class":5390,"line":5434},[5388,34873,34874],{"class":5936},"\u002F\u002F Інші транзакції чекатимуть, поки ця не завершиться\n",[5388,34876,34877,34879,34881,34884,34887],{"class":5390,"line":5439},[5388,34878,7612],{"class":6384},[5388,34880,5555],{"class":5946},[5388,34882,34883],{"class":6384},"Balance",[5388,34885,34886],{"class":5946}," -= ",[5388,34888,34889],{"class":6853},"100\n",[5388,34891,34892,34894,34896,34898,34900,34902],{"class":5390,"line":5445},[5388,34893,11134],{"class":6384},[5388,34895,5555],{"class":5946},[5388,34897,14453],{"class":6086},[5388,34899,7742],{"class":5946},[5388,34901,7612],{"class":6384},[5388,34903,6405],{"class":5946},[5388,34905,34906,34908,34910,34912],{"class":5390,"line":5451},[5388,34907,11134],{"class":6384},[5388,34909,5555],{"class":5946},[5388,34911,11324],{"class":6086},[5388,34913,6609],{"class":5946},[5388,34915,34916],{"class":5390,"line":5456},[5388,34917,5413],{"emptyLinePlaceholder":5412},[5388,34919,34920],{"class":5390,"line":5462},[5388,34921,34922],{"class":5936},"\u002F\u002F FOR SHARE — блокування на запис (дозволяє читання іншим)\n",[5388,34924,34925,34927,34929,34931,34933,34935,34937,34939,34941,34943,34945,34948,34950,34952,34954,34956,34958,34960],{"class":5390,"line":5468},[5388,34926,11134],{"class":6384},[5388,34928,5555],{"class":5946},[5388,34930,27248],{"class":6086},[5388,34932,6399],{"class":5946},[5388,34934,27253],{"class":6425},[5388,34936,5555],{"class":5946},[5388,34938,34837],{"class":6425},[5388,34940,7559],{"class":5946},[5388,34942,34842],{"class":6384},[5388,34944,5947],{"class":5946},[5388,34946,34947],{"class":6038},"\"SHARE\"",[5388,34949,21916],{"class":5946},[5388,34951,14003],{"class":6086},[5388,34953,7742],{"class":5946},[5388,34955,7612],{"class":6384},[5388,34957,5603],{"class":5946},[5388,34959,7377],{"class":6853},[5388,34961,6405],{"class":5946},[5388,34963,34964],{"class":5390,"line":5474},[5388,34965,34966],{"class":5936},"\u002F\u002F SELECT * FROM users WHERE id = 1 FOR SHARE\n",[5388,34968,34969],{"class":5390,"line":5480},[5388,34970,5413],{"emptyLinePlaceholder":5412},[5388,34972,34973],{"class":5390,"line":5486},[5388,34974,34975],{"class":5936},"\u002F\u002F NOWAIT — не чекати, якщо заблоковано\n",[5388,34977,34978,34980,34982,34984,34986,34988,34990,34992],{"class":5390,"line":5491},[5388,34979,11134],{"class":6384},[5388,34981,5555],{"class":5946},[5388,34983,27248],{"class":6086},[5388,34985,6399],{"class":5946},[5388,34987,27253],{"class":6425},[5388,34989,5555],{"class":5946},[5388,34991,34837],{"class":6425},[5388,34993,13785],{"class":5946},[5388,34995,34996,34999,35001,35003],{"class":5390,"line":5497},[5388,34997,34998],{"class":6384},"    Strength",[5388,35000,5947],{"class":5946},[5388,35002,16259],{"class":6038},[5388,35004,7693],{"class":5946},[5388,35006,35007,35010,35012,35015],{"class":5390,"line":5502},[5388,35008,35009],{"class":6384},"    Options",[5388,35011,16269],{"class":5946},[5388,35013,35014],{"class":6038},"\"NOWAIT\"",[5388,35016,7693],{"class":5946},[5388,35018,35019,35021,35023,35025,35027,35029,35031],{"class":5390,"line":5508},[5388,35020,21916],{"class":5946},[5388,35022,14003],{"class":6086},[5388,35024,7742],{"class":5946},[5388,35026,7612],{"class":6384},[5388,35028,5603],{"class":5946},[5388,35030,7377],{"class":6853},[5388,35032,6405],{"class":5946},[5388,35034,35035],{"class":5390,"line":5513},[5388,35036,35037],{"class":5936},"\u002F\u002F Якщо рядок заблоковано, поверне помилку замість очікування\n",[5615,35039,35041],{"id":35040},"оптимістичні-блокування-optimistic-locking","Оптимістичні блокування (Optimistic Locking)",[5379,35043,35045],{"className":6376,"code":35044,"language":6232,"meta":5384,"style":5384},"type User struct {\n    ID      uint\n    Name    string\n    Balance int\n    Version int `gorm:\"default:0\"` \u002F\u002F Лічильник версій\n}\n\nfunc (r *Repository) UpdateBalance(id uint, amount int) error {\n    return r.db.Transaction(func(tx *gorm.DB) error {\n        var user User\n        if err := tx.First(&user, id).Error; err != nil {\n            return err\n        }\n        \n        originalVersion := user.Version\n        user.Balance += amount\n        user.Version++\n        \n        \u002F\u002F Оновити лише якщо версія не змінилася\n        result := tx.Model(&user).\n            Where(\"id = ? AND version = ?\", user.ID, originalVersion).\n            Updates(map[string]interface{}{\n                \"balance\": user.Balance,\n                \"version\": user.Version,\n            })\n        \n        if result.RowsAffected == 0 {\n            return fmt.Errorf(\"конфлікт оновлення: запис змінено іншою транзакцією\")\n        }\n        \n        return nil\n    })\n}\n",[5204,35046,35047,35057,35063,35069,35076,35089,35093,35097,35132,35168,35177,35213,35219,35223,35227,35241,35255,35267,35271,35276,35295,35320,35339,35354,35369,35374,35378,35394,35411,35415,35419,35425,35429],{"__ignoreMap":5384},[5388,35048,35049,35051,35053,35055],{"class":5390,"line":5391},[5388,35050,7440],{"class":6096},[5388,35052,7443],{"class":6425},[5388,35054,7446],{"class":6096},[5388,35056,6561],{"class":5946},[5388,35058,35059,35061],{"class":5390,"line":5397},[5388,35060,7453],{"class":6384},[5388,35062,14739],{"class":6425},[5388,35064,35065,35067],{"class":5390,"line":5403},[5388,35066,15123],{"class":6384},[5388,35068,15126],{"class":6425},[5388,35070,35071,35074],{"class":5390,"line":5409},[5388,35072,35073],{"class":6384},"    Balance",[5388,35075,22807],{"class":6425},[5388,35077,35078,35081,35083,35086],{"class":5390,"line":5416},[5388,35079,35080],{"class":6384},"    Version",[5388,35082,8035],{"class":6425},[5388,35084,35085],{"class":6038}," `gorm:\"default:0\"`",[5388,35087,35088],{"class":5936}," \u002F\u002F Лічильник версій\n",[5388,35090,35091],{"class":5390,"line":5422},[5388,35092,5711],{"class":5946},[5388,35094,35095],{"class":5390,"line":5428},[5388,35096,5413],{"emptyLinePlaceholder":5412},[5388,35098,35099,35101,35103,35105,35107,35109,35111,35114,35116,35118,35120,35122,35124,35126,35128,35130],{"class":5390,"line":5434},[5388,35100,6483],{"class":6096},[5388,35102,5306],{"class":5946},[5388,35104,7584],{"class":6384},[5388,35106,7587],{"class":5946},[5388,35108,11472],{"class":6425},[5388,35110,7046],{"class":5946},[5388,35112,35113],{"class":6086},"UpdateBalance",[5388,35115,6399],{"class":5946},[5388,35117,8032],{"class":6384},[5388,35119,16665],{"class":6425},[5388,35121,5603],{"class":5946},[5388,35123,10921],{"class":6384},[5388,35125,8035],{"class":6425},[5388,35127,7046],{"class":5946},[5388,35129,7049],{"class":6425},[5388,35131,6561],{"class":5946},[5388,35133,35134,35136,35138,35140,35142,35144,35146,35148,35150,35152,35154,35156,35158,35160,35162,35164,35166],{"class":5390,"line":5439},[5388,35135,7198],{"class":6435},[5388,35137,19707],{"class":6384},[5388,35139,5555],{"class":5946},[5388,35141,6629],{"class":6384},[5388,35143,5555],{"class":5946},[5388,35145,33504],{"class":6086},[5388,35147,6399],{"class":5946},[5388,35149,6483],{"class":6096},[5388,35151,6399],{"class":5946},[5388,35153,11134],{"class":6384},[5388,35155,7036],{"class":5946},[5388,35157,13228],{"class":6425},[5388,35159,5555],{"class":5946},[5388,35161,7043],{"class":6425},[5388,35163,7046],{"class":5946},[5388,35165,7049],{"class":6425},[5388,35167,6561],{"class":5946},[5388,35169,35170,35173,35175],{"class":5390,"line":5445},[5388,35171,35172],{"class":6096},"        var",[5388,35174,8295],{"class":6384},[5388,35176,14828],{"class":6425},[5388,35178,35179,35181,35183,35185,35187,35189,35191,35193,35195,35197,35199,35201,35203,35205,35207,35209,35211],{"class":5390,"line":5451},[5388,35180,8537],{"class":6435},[5388,35182,6552],{"class":6384},[5388,35184,6388],{"class":5946},[5388,35186,11134],{"class":6384},[5388,35188,5555],{"class":5946},[5388,35190,14003],{"class":6086},[5388,35192,7742],{"class":5946},[5388,35194,7612],{"class":6384},[5388,35196,5603],{"class":5946},[5388,35198,8032],{"class":6384},[5388,35200,5827],{"class":5946},[5388,35202,13862],{"class":6384},[5388,35204,21502],{"class":5946},[5388,35206,6523],{"class":6384},[5388,35208,6555],{"class":5946},[5388,35210,6558],{"class":6096},[5388,35212,6561],{"class":5946},[5388,35214,35215,35217],{"class":5390,"line":5456},[5388,35216,8597],{"class":6435},[5388,35218,7285],{"class":6384},[5388,35220,35221],{"class":5390,"line":5462},[5388,35222,8627],{"class":5946},[5388,35224,35225],{"class":5390,"line":5468},[5388,35226,34154],{"class":5946},[5388,35228,35229,35232,35234,35236,35238],{"class":5390,"line":5474},[5388,35230,35231],{"class":6384},"        originalVersion",[5388,35233,6388],{"class":5946},[5388,35235,7612],{"class":6384},[5388,35237,5555],{"class":5946},[5388,35239,35240],{"class":6384},"Version\n",[5388,35242,35243,35245,35247,35249,35252],{"class":5390,"line":5480},[5388,35244,7699],{"class":6384},[5388,35246,5555],{"class":5946},[5388,35248,34883],{"class":6384},[5388,35250,35251],{"class":5946}," += ",[5388,35253,35254],{"class":6384},"amount\n",[5388,35256,35257,35259,35261,35264],{"class":5390,"line":5486},[5388,35258,7699],{"class":6384},[5388,35260,5555],{"class":5946},[5388,35262,35263],{"class":6384},"Version",[5388,35265,35266],{"class":5946},"++\n",[5388,35268,35269],{"class":5390,"line":5491},[5388,35270,34154],{"class":5946},[5388,35272,35273],{"class":5390,"line":5497},[5388,35274,35275],{"class":5936},"        \u002F\u002F Оновити лише якщо версія не змінилася\n",[5388,35277,35278,35281,35283,35285,35287,35289,35291,35293],{"class":5390,"line":5502},[5388,35279,35280],{"class":6384},"        result",[5388,35282,6388],{"class":5946},[5388,35284,11134],{"class":6384},[5388,35286,5555],{"class":5946},[5388,35288,14481],{"class":6086},[5388,35290,7742],{"class":5946},[5388,35292,7612],{"class":6384},[5388,35294,14395],{"class":5946},[5388,35296,35297,35300,35302,35305,35307,35309,35311,35313,35315,35318],{"class":5390,"line":5508},[5388,35298,35299],{"class":6086},"            Where",[5388,35301,6399],{"class":5946},[5388,35303,35304],{"class":6038},"\"id = ? AND version = ?\"",[5388,35306,5603],{"class":5946},[5388,35308,7612],{"class":6384},[5388,35310,5555],{"class":5946},[5388,35312,7749],{"class":6384},[5388,35314,5603],{"class":5946},[5388,35316,35317],{"class":6384},"originalVersion",[5388,35319,14395],{"class":5946},[5388,35321,35322,35325,35327,35329,35331,35333,35335,35337],{"class":5390,"line":5513},[5388,35323,35324],{"class":6086},"            Updates",[5388,35326,6399],{"class":5946},[5388,35328,14532],{"class":6096},[5388,35330,14535],{"class":5946},[5388,35332,13511],{"class":6425},[5388,35334,14540],{"class":5946},[5388,35336,14543],{"class":6096},[5388,35338,14546],{"class":5946},[5388,35340,35341,35344,35346,35348,35350,35352],{"class":5390,"line":5518},[5388,35342,35343],{"class":6038},"                \"balance\"",[5388,35345,5947],{"class":5946},[5388,35347,7612],{"class":6384},[5388,35349,5555],{"class":5946},[5388,35351,34883],{"class":6384},[5388,35353,7693],{"class":5946},[5388,35355,35356,35359,35361,35363,35365,35367],{"class":5390,"line":5524},[5388,35357,35358],{"class":6038},"                \"version\"",[5388,35360,5947],{"class":5946},[5388,35362,7612],{"class":6384},[5388,35364,5555],{"class":5946},[5388,35366,35263],{"class":6384},[5388,35368,7693],{"class":5946},[5388,35370,35371],{"class":5390,"line":5530},[5388,35372,35373],{"class":5946},"            })\n",[5388,35375,35376],{"class":5390,"line":5535},[5388,35377,34154],{"class":5946},[5388,35379,35380,35382,35384,35386,35388,35390,35392],{"class":5390,"line":5803},[5388,35381,8537],{"class":6435},[5388,35383,13857],{"class":6384},[5388,35385,5555],{"class":5946},[5388,35387,7335],{"class":6384},[5388,35389,8193],{"class":5946},[5388,35391,9187],{"class":6853},[5388,35393,6561],{"class":5946},[5388,35395,35396,35398,35400,35402,35404,35406,35409],{"class":5390,"line":5808},[5388,35397,8597],{"class":6435},[5388,35399,7149],{"class":6384},[5388,35401,5555],{"class":5946},[5388,35403,7154],{"class":6086},[5388,35405,6399],{"class":5946},[5388,35407,35408],{"class":6038},"\"конфлікт оновлення: запис змінено іншою транзакцією\"",[5388,35410,6405],{"class":5946},[5388,35412,35413],{"class":5390,"line":7649},[5388,35414,8627],{"class":5946},[5388,35416,35417],{"class":5390,"line":7654},[5388,35418,34154],{"class":5946},[5388,35420,35421,35423],{"class":5390,"line":7659},[5388,35422,7146],{"class":6435},[5388,35424,7201],{"class":6096},[5388,35426,35427],{"class":5390,"line":7665},[5388,35428,26796],{"class":5946},[5388,35430,35431],{"class":5390,"line":7696},[5388,35432,5711],{"class":5946},[5266,35434,35435],{},[5229,35436,35437],{},"Переваги оптимістичного блокування:",[5194,35439,35440,35443],{},[5197,35441,35442],{},"Не блокує рядки (вища конкурентність).",[5197,35444,35445],{},"Підходить для сценаріїв із рідкісними конфліктами.",[5266,35447,35448],{},[5229,35449,19033],{},[5194,35451,35452,35455],{},[5197,35453,35454],{},"Потрібен retry механізм при конфлікті.",[5197,35456,35457,35458,35460],{},"Додаткове поле ",[5204,35459,5943],{}," у таблиці.",[5841,35462,35463,35468],{},[5266,35464,35465],{},[5229,35466,35467],{},"Коли використовувати яке блокування?",[5194,35469,35470,35476],{},[5197,35471,35472,35475],{},[5229,35473,35474],{},"Оптимістичне"," — для веб-застосунків, де конфлікти рідкісні (редагування профілю, коментарі).",[5197,35477,35478,35481],{},[5229,35479,35480],{},"Песимістичне"," — для фінансових операцій, де конфлікти частіші та критичні (переказ коштів, резервування місць).",[5258,35483],{},[5261,35485,35487],{"id":35486},"logger-та-налагодження","Logger та налагодження",[5266,35489,35490],{},"GORM має вбудовану систему логування, яка допомагає розуміти, які SQL-запити виконуються.",[5615,35492,35494],{"id":35493},"рівні-логування","Рівні логування",[5379,35496,35498],{"className":6376,"code":35497,"language":6232,"meta":5384,"style":5384},"import (\n    \"gorm.io\u002Fgorm\u002Flogger\"\n)\n\n\u002F\u002F 1. Silent — не логувати нічого\ndb, err := gorm.Open(postgres.Open(dsn), &gorm.Config{\n    Logger: logger.Default.LogMode(logger.Silent),\n})\n\n\u002F\u002F 2. Error — лише помилки\ndb, err := gorm.Open(postgres.Open(dsn), &gorm.Config{\n    Logger: logger.Default.LogMode(logger.Error),\n})\n\n\u002F\u002F 3. Warn — помилки та попередження (повільні запити)\ndb, err := gorm.Open(postgres.Open(dsn), &gorm.Config{\n    Logger: logger.Default.LogMode(logger.Warn),\n})\n\n\u002F\u002F 4. Info — всі запити, помилки та попередження\ndb, err := gorm.Open(postgres.Open(dsn), &gorm.Config{\n    Logger: logger.Default.LogMode(logger.Info),\n})\n",[5204,35499,35500,35506,35511,35515,35519,35524,35562,35591,35595,35599,35604,35642,35668,35672,35676,35681,35719,35746,35750,35754,35759,35797,35824],{"__ignoreMap":5384},[5388,35501,35502,35504],{"class":5390,"line":5391},[5388,35503,6436],{"class":6435},[5388,35505,6439],{"class":5946},[5388,35507,35508],{"class":5390,"line":5397},[5388,35509,35510],{"class":6038},"    \"gorm.io\u002Fgorm\u002Flogger\"\n",[5388,35512,35513],{"class":5390,"line":5403},[5388,35514,6405],{"class":5946},[5388,35516,35517],{"class":5390,"line":5409},[5388,35518,5413],{"emptyLinePlaceholder":5412},[5388,35520,35521],{"class":5390,"line":5416},[5388,35522,35523],{"class":5936},"\u002F\u002F 1. Silent — не логувати нічого\n",[5388,35525,35526,35528,35530,35532,35534,35536,35538,35540,35542,35544,35546,35548,35550,35552,35554,35556,35558,35560],{"class":5390,"line":5422},[5388,35527,6629],{"class":6384},[5388,35529,5603],{"class":5946},[5388,35531,6523],{"class":6384},[5388,35533,6388],{"class":5946},[5388,35535,13228],{"class":6384},[5388,35537,5555],{"class":5946},[5388,35539,6533],{"class":6086},[5388,35541,6399],{"class":5946},[5388,35543,12638],{"class":6384},[5388,35545,5555],{"class":5946},[5388,35547,6533],{"class":6086},[5388,35549,6399],{"class":5946},[5388,35551,6385],{"class":6384},[5388,35553,13247],{"class":5946},[5388,35555,13228],{"class":6425},[5388,35557,5555],{"class":5946},[5388,35559,12656],{"class":6425},[5388,35561,13785],{"class":5946},[5388,35563,35564,35566,35568,35570,35572,35575,35577,35580,35582,35584,35586,35589],{"class":5390,"line":5428},[5388,35565,32220],{"class":6384},[5388,35567,5947],{"class":5946},[5388,35569,31808],{"class":6384},[5388,35571,5555],{"class":5946},[5388,35573,35574],{"class":6384},"Default",[5388,35576,5555],{"class":5946},[5388,35578,35579],{"class":6086},"LogMode",[5388,35581,6399],{"class":5946},[5388,35583,31808],{"class":6384},[5388,35585,5555],{"class":5946},[5388,35587,35588],{"class":6384},"Silent",[5388,35590,20387],{"class":5946},[5388,35592,35593],{"class":5390,"line":5434},[5388,35594,14574],{"class":5946},[5388,35596,35597],{"class":5390,"line":5439},[5388,35598,5413],{"emptyLinePlaceholder":5412},[5388,35600,35601],{"class":5390,"line":5445},[5388,35602,35603],{"class":5936},"\u002F\u002F 2. Error — лише помилки\n",[5388,35605,35606,35608,35610,35612,35614,35616,35618,35620,35622,35624,35626,35628,35630,35632,35634,35636,35638,35640],{"class":5390,"line":5451},[5388,35607,6629],{"class":6384},[5388,35609,5603],{"class":5946},[5388,35611,6523],{"class":6384},[5388,35613,6388],{"class":5946},[5388,35615,13228],{"class":6384},[5388,35617,5555],{"class":5946},[5388,35619,6533],{"class":6086},[5388,35621,6399],{"class":5946},[5388,35623,12638],{"class":6384},[5388,35625,5555],{"class":5946},[5388,35627,6533],{"class":6086},[5388,35629,6399],{"class":5946},[5388,35631,6385],{"class":6384},[5388,35633,13247],{"class":5946},[5388,35635,13228],{"class":6425},[5388,35637,5555],{"class":5946},[5388,35639,12656],{"class":6425},[5388,35641,13785],{"class":5946},[5388,35643,35644,35646,35648,35650,35652,35654,35656,35658,35660,35662,35664,35666],{"class":5390,"line":5456},[5388,35645,32220],{"class":6384},[5388,35647,5947],{"class":5946},[5388,35649,31808],{"class":6384},[5388,35651,5555],{"class":5946},[5388,35653,35574],{"class":6384},[5388,35655,5555],{"class":5946},[5388,35657,35579],{"class":6086},[5388,35659,6399],{"class":5946},[5388,35661,31808],{"class":6384},[5388,35663,5555],{"class":5946},[5388,35665,13862],{"class":6384},[5388,35667,20387],{"class":5946},[5388,35669,35670],{"class":5390,"line":5462},[5388,35671,14574],{"class":5946},[5388,35673,35674],{"class":5390,"line":5468},[5388,35675,5413],{"emptyLinePlaceholder":5412},[5388,35677,35678],{"class":5390,"line":5474},[5388,35679,35680],{"class":5936},"\u002F\u002F 3. Warn — помилки та попередження (повільні запити)\n",[5388,35682,35683,35685,35687,35689,35691,35693,35695,35697,35699,35701,35703,35705,35707,35709,35711,35713,35715,35717],{"class":5390,"line":5480},[5388,35684,6629],{"class":6384},[5388,35686,5603],{"class":5946},[5388,35688,6523],{"class":6384},[5388,35690,6388],{"class":5946},[5388,35692,13228],{"class":6384},[5388,35694,5555],{"class":5946},[5388,35696,6533],{"class":6086},[5388,35698,6399],{"class":5946},[5388,35700,12638],{"class":6384},[5388,35702,5555],{"class":5946},[5388,35704,6533],{"class":6086},[5388,35706,6399],{"class":5946},[5388,35708,6385],{"class":6384},[5388,35710,13247],{"class":5946},[5388,35712,13228],{"class":6425},[5388,35714,5555],{"class":5946},[5388,35716,12656],{"class":6425},[5388,35718,13785],{"class":5946},[5388,35720,35721,35723,35725,35727,35729,35731,35733,35735,35737,35739,35741,35744],{"class":5390,"line":5486},[5388,35722,32220],{"class":6384},[5388,35724,5947],{"class":5946},[5388,35726,31808],{"class":6384},[5388,35728,5555],{"class":5946},[5388,35730,35574],{"class":6384},[5388,35732,5555],{"class":5946},[5388,35734,35579],{"class":6086},[5388,35736,6399],{"class":5946},[5388,35738,31808],{"class":6384},[5388,35740,5555],{"class":5946},[5388,35742,35743],{"class":6384},"Warn",[5388,35745,20387],{"class":5946},[5388,35747,35748],{"class":5390,"line":5491},[5388,35749,14574],{"class":5946},[5388,35751,35752],{"class":5390,"line":5497},[5388,35753,5413],{"emptyLinePlaceholder":5412},[5388,35755,35756],{"class":5390,"line":5502},[5388,35757,35758],{"class":5936},"\u002F\u002F 4. Info — всі запити, помилки та попередження\n",[5388,35760,35761,35763,35765,35767,35769,35771,35773,35775,35777,35779,35781,35783,35785,35787,35789,35791,35793,35795],{"class":5390,"line":5508},[5388,35762,6629],{"class":6384},[5388,35764,5603],{"class":5946},[5388,35766,6523],{"class":6384},[5388,35768,6388],{"class":5946},[5388,35770,13228],{"class":6384},[5388,35772,5555],{"class":5946},[5388,35774,6533],{"class":6086},[5388,35776,6399],{"class":5946},[5388,35778,12638],{"class":6384},[5388,35780,5555],{"class":5946},[5388,35782,6533],{"class":6086},[5388,35784,6399],{"class":5946},[5388,35786,6385],{"class":6384},[5388,35788,13247],{"class":5946},[5388,35790,13228],{"class":6425},[5388,35792,5555],{"class":5946},[5388,35794,12656],{"class":6425},[5388,35796,13785],{"class":5946},[5388,35798,35799,35801,35803,35805,35807,35809,35811,35813,35815,35817,35819,35822],{"class":5390,"line":5513},[5388,35800,32220],{"class":6384},[5388,35802,5947],{"class":5946},[5388,35804,31808],{"class":6384},[5388,35806,5555],{"class":5946},[5388,35808,35574],{"class":6384},[5388,35810,5555],{"class":5946},[5388,35812,35579],{"class":6086},[5388,35814,6399],{"class":5946},[5388,35816,31808],{"class":6384},[5388,35818,5555],{"class":5946},[5388,35820,35821],{"class":6384},"Info",[5388,35823,20387],{"class":5946},[5388,35825,35826],{"class":5390,"line":5518},[5388,35827,14574],{"class":5946},[5615,35829,35831],{"id":35830},"налаштування-логера","Налаштування логера",[5379,35833,35835],{"className":6376,"code":35834,"language":6232,"meta":5384,"style":5384},"newLogger := logger.New(\n    log.New(os.Stdout, \"\\r\\n\", log.LstdFlags), \u002F\u002F Вивід\n    logger.Config{\n        SlowThreshold:             200 * time.Millisecond, \u002F\u002F Поріг для \"повільного запиту\"\n        LogLevel:                  logger.Info,            \u002F\u002F Рівень логування\n        IgnoreRecordNotFoundError: true,                   \u002F\u002F Не логувати ErrRecordNotFound\n        Colorful:                  true,                   \u002F\u002F Кольоровий вивід\n    },\n)\n\ndb, err := gorm.Open(postgres.Open(dsn), &gorm.Config{\n    Logger: newLogger,\n})\n",[5204,35836,35837,35852,35889,35899,35921,35940,35955,35969,35973,35977,35981,36019,36029],{"__ignoreMap":5384},[5388,35838,35839,35842,35844,35846,35848,35850],{"class":5390,"line":5391},[5388,35840,35841],{"class":6384},"newLogger",[5388,35843,6388],{"class":5946},[5388,35845,31808],{"class":6384},[5388,35847,5555],{"class":5946},[5388,35849,12704],{"class":6086},[5388,35851,8126],{"class":5946},[5388,35853,35854,35856,35858,35860,35862,35864,35866,35868,35870,35872,35874,35876,35878,35880,35882,35884,35886],{"class":5390,"line":5397},[5388,35855,9869],{"class":6384},[5388,35857,5555],{"class":5946},[5388,35859,12704],{"class":6086},[5388,35861,6399],{"class":5946},[5388,35863,6391],{"class":6384},[5388,35865,5555],{"class":5946},[5388,35867,31831],{"class":6384},[5388,35869,5603],{"class":5946},[5388,35871,6582],{"class":6038},[5388,35873,31838],{"class":6121},[5388,35875,6582],{"class":6038},[5388,35877,5603],{"class":5946},[5388,35879,14861],{"class":6384},[5388,35881,5555],{"class":5946},[5388,35883,31849],{"class":6384},[5388,35885,15743],{"class":5946},[5388,35887,35888],{"class":5936},"\u002F\u002F Вивід\n",[5388,35890,35891,35893,35895,35897],{"class":5390,"line":5403},[5388,35892,31856],{"class":6425},[5388,35894,5555],{"class":5946},[5388,35896,12656],{"class":6425},[5388,35898,13785],{"class":5946},[5388,35900,35901,35904,35906,35908,35910,35912,35914,35916,35918],{"class":5390,"line":5409},[5388,35902,35903],{"class":6384},"        SlowThreshold",[5388,35905,32189],{"class":5946},[5388,35907,26434],{"class":6853},[5388,35909,6907],{"class":5946},[5388,35911,6910],{"class":6384},[5388,35913,5555],{"class":5946},[5388,35915,31878],{"class":6384},[5388,35917,5603],{"class":5946},[5388,35919,35920],{"class":5936},"\u002F\u002F Поріг для \"повільного запиту\"\n",[5388,35922,35923,35926,35929,35931,35933,35935,35937],{"class":5390,"line":5416},[5388,35924,35925],{"class":6384},"        LogLevel",[5388,35927,35928],{"class":5946},":                  ",[5388,35930,31808],{"class":6384},[5388,35932,5555],{"class":5946},[5388,35934,35821],{"class":6384},[5388,35936,18908],{"class":5946},[5388,35938,35939],{"class":5936},"\u002F\u002F Рівень логування\n",[5388,35941,35942,35945,35947,35949,35952],{"class":5390,"line":5422},[5388,35943,35944],{"class":6384},"        IgnoreRecordNotFoundError",[5388,35946,5947],{"class":5946},[5388,35948,8783],{"class":6096},[5388,35950,35951],{"class":5946},",                   ",[5388,35953,35954],{"class":5936},"\u002F\u002F Не логувати ErrRecordNotFound\n",[5388,35956,35957,35960,35962,35964,35966],{"class":5390,"line":5428},[5388,35958,35959],{"class":6384},"        Colorful",[5388,35961,35928],{"class":5946},[5388,35963,8783],{"class":6096},[5388,35965,35951],{"class":5946},[5388,35967,35968],{"class":5936},"\u002F\u002F Кольоровий вивід\n",[5388,35970,35971],{"class":5390,"line":5434},[5388,35972,15302],{"class":5946},[5388,35974,35975],{"class":5390,"line":5439},[5388,35976,6405],{"class":5946},[5388,35978,35979],{"class":5390,"line":5445},[5388,35980,5413],{"emptyLinePlaceholder":5412},[5388,35982,35983,35985,35987,35989,35991,35993,35995,35997,35999,36001,36003,36005,36007,36009,36011,36013,36015,36017],{"class":5390,"line":5451},[5388,35984,6629],{"class":6384},[5388,35986,5603],{"class":5946},[5388,35988,6523],{"class":6384},[5388,35990,6388],{"class":5946},[5388,35992,13228],{"class":6384},[5388,35994,5555],{"class":5946},[5388,35996,6533],{"class":6086},[5388,35998,6399],{"class":5946},[5388,36000,12638],{"class":6384},[5388,36002,5555],{"class":5946},[5388,36004,6533],{"class":6086},[5388,36006,6399],{"class":5946},[5388,36008,6385],{"class":6384},[5388,36010,13247],{"class":5946},[5388,36012,13228],{"class":6425},[5388,36014,5555],{"class":5946},[5388,36016,12656],{"class":6425},[5388,36018,13785],{"class":5946},[5388,36020,36021,36023,36025,36027],{"class":5390,"line":5456},[5388,36022,32220],{"class":6384},[5388,36024,5947],{"class":5946},[5388,36026,35841],{"class":6384},[5388,36028,7693],{"class":5946},[5388,36030,36031],{"class":5390,"line":5462},[5388,36032,14574],{"class":5946},[5615,36034,36036],{"id":36035},"debug-режим-для-окремих-запитів","Debug режим для окремих запитів",[5379,36038,36040],{"className":6376,"code":36039,"language":6232,"meta":5384,"style":5384},"\u002F\u002F Вивести SQL для одного запиту\ndb.Debug().Where(\"age > ?\", 18).Find(&users)\n\u002F\u002F Вивід у консоль:\n\u002F\u002F [2.123ms] [rows:5] SELECT * FROM users WHERE age > 18\n\n\u002F\u002F Без Debug — запит не логується\ndb.Where(\"age > ?\", 18).Find(&users)\n",[5204,36041,36042,36047,36078,36083,36088,36092,36097],{"__ignoreMap":5384},[5388,36043,36044],{"class":5390,"line":5391},[5388,36045,36046],{"class":5936},"\u002F\u002F Вивести SQL для одного запиту\n",[5388,36048,36049,36051,36053,36056,36058,36060,36062,36064,36066,36068,36070,36072,36074,36076],{"class":5390,"line":5397},[5388,36050,6629],{"class":6384},[5388,36052,5555],{"class":5946},[5388,36054,36055],{"class":6086},"Debug",[5388,36057,14363],{"class":5946},[5388,36059,14187],{"class":6086},[5388,36061,6399],{"class":5946},[5388,36063,22396],{"class":6038},[5388,36065,5603],{"class":5946},[5388,36067,10628],{"class":6853},[5388,36069,5827],{"class":5946},[5388,36071,14239],{"class":6086},[5388,36073,7742],{"class":5946},[5388,36075,8643],{"class":6384},[5388,36077,6405],{"class":5946},[5388,36079,36080],{"class":5390,"line":5403},[5388,36081,36082],{"class":5936},"\u002F\u002F Вивід у консоль:\n",[5388,36084,36085],{"class":5390,"line":5409},[5388,36086,36087],{"class":5936},"\u002F\u002F [2.123ms] [rows:5] SELECT * FROM users WHERE age > 18\n",[5388,36089,36090],{"class":5390,"line":5416},[5388,36091,5413],{"emptyLinePlaceholder":5412},[5388,36093,36094],{"class":5390,"line":5422},[5388,36095,36096],{"class":5936},"\u002F\u002F Без Debug — запит не логується\n",[5388,36098,36099,36101,36103,36105,36107,36109,36111,36113,36115,36117,36119,36121],{"class":5390,"line":5428},[5388,36100,6629],{"class":6384},[5388,36102,5555],{"class":5946},[5388,36104,14187],{"class":6086},[5388,36106,6399],{"class":5946},[5388,36108,22396],{"class":6038},[5388,36110,5603],{"class":5946},[5388,36112,10628],{"class":6853},[5388,36114,5827],{"class":5946},[5388,36116,14239],{"class":6086},[5388,36118,7742],{"class":5946},[5388,36120,8643],{"class":6384},[5388,36122,6405],{"class":5946},[5615,36124,36126],{"id":36125},"кастомний-логер","Кастомний логер",[5379,36128,36130],{"className":6376,"code":36129,"language":6232,"meta":5384,"style":5384},"type MyLogger struct {\n    logger.Interface\n}\n\nfunc (l *MyLogger) LogMode(level logger.LogLevel) logger.Interface {\n    return l\n}\n\nfunc (l *MyLogger) Info(ctx context.Context, msg string, data ...interface{}) {\n    log.Printf(\"[INFO] \"+msg, data...)\n}\n\nfunc (l *MyLogger) Warn(ctx context.Context, msg string, data ...interface{}) {\n    log.Printf(\"[WARN] \"+msg, data...)\n}\n\nfunc (l *MyLogger) Error(ctx context.Context, msg string, data ...interface{}) {\n    log.Printf(\"[ERROR] \"+msg, data...)\n}\n\nfunc (l *MyLogger) Trace(ctx context.Context, begin time.Time, fc func() (sql string, rowsAffected int64), err error) {\n    elapsed := time.Since(begin)\n    sql, rows := fc()\n    log.Printf(\"[TRACE] [%v] [rows:%d] %s\", elapsed, rows, sql)\n}\n\n\u002F\u002F Використання:\ndb, err := gorm.Open(postgres.Open(dsn), &gorm.Config{\n    Logger: &MyLogger{},\n})\n",[5204,36131,36132,36143,36152,36156,36160,36202,36209,36213,36217,36263,36287,36291,36295,36337,36360,36364,36368,36410,36433,36437,36441,36507,36527,36541,36583,36587,36591,36595,36633,36644],{"__ignoreMap":5384},[5388,36133,36134,36136,36139,36141],{"class":5390,"line":5391},[5388,36135,7440],{"class":6096},[5388,36137,36138],{"class":6425}," MyLogger",[5388,36140,7446],{"class":6096},[5388,36142,6561],{"class":5946},[5388,36144,36145,36147,36149],{"class":5390,"line":5397},[5388,36146,31856],{"class":6425},[5388,36148,5555],{"class":5946},[5388,36150,36151],{"class":6425},"Interface\n",[5388,36153,36154],{"class":5390,"line":5403},[5388,36155,5711],{"class":5946},[5388,36157,36158],{"class":5390,"line":5409},[5388,36159,5413],{"emptyLinePlaceholder":5412},[5388,36161,36162,36164,36166,36169,36171,36174,36176,36178,36180,36183,36186,36188,36191,36193,36195,36197,36200],{"class":5390,"line":5416},[5388,36163,6483],{"class":6096},[5388,36165,5306],{"class":5946},[5388,36167,36168],{"class":6384},"l ",[5388,36170,7587],{"class":5946},[5388,36172,36173],{"class":6425},"MyLogger",[5388,36175,7046],{"class":5946},[5388,36177,35579],{"class":6086},[5388,36179,6399],{"class":5946},[5388,36181,36182],{"class":6384},"level",[5388,36184,36185],{"class":6425}," logger",[5388,36187,5555],{"class":5946},[5388,36189,36190],{"class":6425},"LogLevel",[5388,36192,7046],{"class":5946},[5388,36194,31808],{"class":6425},[5388,36196,5555],{"class":5946},[5388,36198,36199],{"class":6425},"Interface",[5388,36201,6561],{"class":5946},[5388,36203,36204,36206],{"class":5390,"line":5422},[5388,36205,7198],{"class":6435},[5388,36207,36208],{"class":6384}," 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   l",[5388,36886,5555],{"class":5946},[5388,36888,31808],{"class":6384},[5388,36890,5555],{"class":5946},[5388,36892,36893],{"class":6086},"InfoContext",[5388,36895,6399],{"class":5946},[5388,36897,7599],{"class":6384},[5388,36899,5603],{"class":5946},[5388,36901,36247],{"class":6384},[5388,36903,5603],{"class":5946},[5388,36905,36906],{"class":6038},"\"data\"",[5388,36908,5603],{"class":5946},[5388,36910,36254],{"class":6384},[5388,36912,6405],{"class":5946},[5388,36914,36915],{"class":5390,"line":5513},[5388,36916,5711],{"class":5946},[5388,36918,36919],{"class":5390,"line":5518},[5388,36920,5413],{"emptyLinePlaceholder":5412},[5388,36922,36923],{"class":5390,"line":5524},[5388,36924,19780],{"class":5936},[5388,36926,36927],{"class":5390,"line":5530},[5388,36928,5413],{"emptyLinePlaceholder":5412},[5388,36930,36931,36933,36935,36937,36939,36941,36943,36945,36947,36949,36951,36953,36955,36957,36959,36961,36963,36965,36967,36969,36971,36973,36975,36977,36980,36982,36984,36986],{"class":5390,"line":5535},[5388,36932,6483],{"class":6096},[5388,36934,5306],{"class":5946},[5388,36936,36168],{"class":6384},[5388,36938,7587],{"class":5946},[5388,36940,36726],{"class":6425},[5388,36942,7046],{"class":5946},[5388,36944,36457],{"class":6086},[5388,36946,6399],{"class":5946},[5388,36948,7599],{"class":6384},[5388,36950,7602],{"class":6425},[5388,36952,5555],{"class":5946},[5388,36954,7607],{"class":6425},[5388,36956,5603],{"class":5946},[5388,36958,36472],{"class":6384},[5388,36960,16979],{"class":6425},[5388,36962,5555],{"class":5946},[5388,36964,9961],{"class":6425},[5388,36966,5603],{"class":5946},[5388,36968,36483],{"class":6384},[5388,36970,11024],{"class":6096},[5388,36972,36488],{"class":5946},[5388,36974,13511],{"class":6425},[5388,36976,5603],{"class":5946},[5388,36978,36979],{"class":6425},"int64",[5388,36981,15743],{"class":5946},[5388,36983,6523],{"class":6384},[5388,36985,11495],{"class":6425},[5388,36987,8047],{"class":5946},[5388,36989,36990,36992,36994,36996,36998,37000,37002,37004],{"class":5390,"line":5803},[5388,36991,36511],{"class":6384},[5388,36993,6388],{"class":5946},[5388,36995,6910],{"class":6384},[5388,36997,5555],{"class":5946},[5388,36999,36520],{"class":6086},[5388,37001,6399],{"class":5946},[5388,37003,36472],{"class":6384},[5388,37005,6405],{"class":5946},[5388,37007,37008,37010,37012,37014,37016,37018],{"class":5390,"line":5808},[5388,37009,32365],{"class":6384},[5388,37011,5603],{"class":5946},[5388,37013,8544],{"class":6384},[5388,37015,6388],{"class":5946},[5388,37017,36483],{"class":6086},[5388,37019,6609],{"class":5946},[5388,37021,37022],{"class":5390,"line":7649},[5388,37023,6459],{"class":5946},[5388,37025,37026,37028,37030,37032,37034,37036,37038,37040,37042,37045],{"class":5390,"line":7654},[5388,37027,36884],{"class":6384},[5388,37029,5555],{"class":5946},[5388,37031,31808],{"class":6384},[5388,37033,5555],{"class":5946},[5388,37035,36893],{"class":6086},[5388,37037,6399],{"class":5946},[5388,37039,7599],{"class":6384},[5388,37041,5603],{"class":5946},[5388,37043,37044],{"class":6038},"\"SQL Query\"",[5388,37046,7693],{"class":5946},[5388,37048,37049,37052,37054,37056,37058,37061],{"class":5390,"line":7659},[5388,37050,37051],{"class":6038},"        \"duration_ms\"",[5388,37053,5603],{"class":5946},[5388,37055,36572],{"class":6384},[5388,37057,5555],{"class":5946},[5388,37059,37060],{"class":6086},"Milliseconds",[5388,37062,16293],{"class":5946},[5388,37064,37065,37068,37070,37072],{"class":5390,"line":7665},[5388,37066,37067],{"class":6038},"        \"rows\"",[5388,37069,5603],{"class":5946},[5388,37071,8544],{"class":6384},[5388,37073,7693],{"class":5946},[5388,37075,37076,37079,37081,37083],{"class":5390,"line":7696},[5388,37077,37078],{"class":6038},"        \"sql\"",[5388,37080,5603],{"class":5946},[5388,37082,6528],{"class":6384},[5388,37084,7693],{"class":5946},[5388,37086,37087,37090,37092,37094],{"class":5390,"line":7709},[5388,37088,37089],{"class":6038},"        \"error\"",[5388,37091,5603],{"class":5946},[5388,37093,6523],{"class":6384},[5388,37095,7693],{"class":5946},[5388,37097,37098],{"class":5390,"line":7721},[5388,37099,8180],{"class":5946},[5388,37101,37102],{"class":5390,"line":7733},[5388,37103,5711],{"class":5946},[5258,37105],{},[5261,37107,37109],{"id":37108},"migrator-управління-схемою-бд","Migrator — управління схемою БД",[5266,37111,37112,37113,37116],{},"GORM надає інтерфейс ",[5204,37114,37115],{},"Migrator"," для програмного керування схемою бази даних.",[5615,37118,37120],{"id":37119},"automigrate-автоматична-синхронізація","AutoMigrate — автоматична синхронізація",[5379,37122,37124],{"className":6376,"code":37123,"language":6232,"meta":5384,"style":5384},"\u002F\u002F Створити\u002Fоновити таблиці на основі моделей\ndb.AutoMigrate(&User{}, &Post{}, &Comment{})\n\n\u002F\u002F Додасть відсутні колонки, індекси та зв'язки\n\u002F\u002F НЕ видалить існуючі колонки або таблиці\n",[5204,37125,37126,37131,37153,37157,37162],{"__ignoreMap":5384},[5388,37127,37128],{"class":5390,"line":5391},[5388,37129,37130],{"class":5936},"\u002F\u002F Створити\u002Fоновити таблиці на основі моделей\n",[5388,37132,37133,37135,37137,37139,37141,37143,37145,37147,37149,37151],{"class":5390,"line":5397},[5388,37134,6629],{"class":6384},[5388,37136,5555],{"class":5946},[5388,37138,13670],{"class":6086},[5388,37140,7742],{"class":5946},[5388,37142,7617],{"class":6425},[5388,37144,21382],{"class":5946},[5388,37146,14924],{"class":6425},[5388,37148,21382],{"class":5946},[5388,37150,29710],{"class":6425},[5388,37152,12659],{"class":5946},[5388,37154,37155],{"class":5390,"line":5403},[5388,37156,5413],{"emptyLinePlaceholder":5412},[5388,37158,37159],{"class":5390,"line":5409},[5388,37160,37161],{"class":5936},"\u002F\u002F Додасть відсутні колонки, індекси та зв'язки\n",[5388,37163,37164],{"class":5390,"line":5416},[5388,37165,37166],{"class":5936},"\u002F\u002F НЕ видалить існуючі колонки або таблиці\n",[5580,37168,37169,37174,37192],{},[5266,37170,37171],{},[5229,37172,37173],{},"Обмеження AutoMigrate:",[5194,37175,37176,37178,37180,37183,37186,37189],{},[5197,37177,21310],{},[5197,37179,21313],{},[5197,37181,37182],{},"✅ Додає індекси та foreign keys",[5197,37184,37185],{},"❌ НЕ видаляє колонки",[5197,37187,37188],{},"❌ НЕ змінює типи колонок",[5197,37190,37191],{},"❌ НЕ перейменовує колонки",[5266,37193,37194,37195,37197],{},"Для продакшн-міграцій використовуйте ",[5204,37196,11961],{}," або інші спеціалізовані інструменти.",[5615,37199,37201],{"id":37200},"ручні-операції-через-migrator","Ручні операції через Migrator",[5379,37203,37205],{"className":6376,"code":37204,"language":6232,"meta":5384,"style":5384},"migrator := db.Migrator()\n\n\u002F\u002F Перевірка існування таблиці\nif migrator.HasTable(&User{}) {\n    log.Println(\"Таблиця users існує\")\n}\n\nif migrator.HasTable(\"users\") {\n    log.Println(\"Таблиця users існує (за назвою)\")\n}\n\n\u002F\u002F Створення таблиці\nmigrator.CreateTable(&User{})\n\n\u002F\u002F Видалення таблиці\nmigrator.DropTable(&User{})\nmigrator.DropTable(\"users\")\n\n\u002F\u002F Перейменування таблиці\nmigrator.RenameTable(&User{}, &Customer{})\nmigrator.RenameTable(\"users\", \"customers\")\n",[5204,37206,37207,37222,37226,37231,37249,37264,37268,37272,37288,37303,37307,37311,37316,37331,37335,37340,37355,37369,37373,37378,37398],{"__ignoreMap":5384},[5388,37208,37209,37212,37214,37216,37218,37220],{"class":5390,"line":5391},[5388,37210,37211],{"class":6384},"migrator",[5388,37213,6388],{"class":5946},[5388,37215,6629],{"class":6384},[5388,37217,5555],{"class":5946},[5388,37219,37115],{"class":6086},[5388,37221,6609],{"class":5946},[5388,37223,37224],{"class":5390,"line":5397},[5388,37225,5413],{"emptyLinePlaceholder":5412},[5388,37227,37228],{"class":5390,"line":5403},[5388,37229,37230],{"class":5936},"\u002F\u002F Перевірка існування таблиці\n",[5388,37232,37233,37235,37238,37240,37243,37245,37247],{"class":5390,"line":5409},[5388,37234,7270],{"class":6435},[5388,37236,37237],{"class":6384}," migrator",[5388,37239,5555],{"class":5946},[5388,37241,37242],{"class":6086},"HasTable",[5388,37244,7742],{"class":5946},[5388,37246,7617],{"class":6425},[5388,37248,36262],{"class":5946},[5388,37250,37251,37253,37255,37257,37259,37262],{"class":5390,"line":5416},[5388,37252,9869],{"class":6384},[5388,37254,5555],{"class":5946},[5388,37256,6686],{"class":6086},[5388,37258,6399],{"class":5946},[5388,37260,37261],{"class":6038},"\"Таблиця users існує\"",[5388,37263,6405],{"class":5946},[5388,37265,37266],{"class":5390,"line":5422},[5388,37267,5711],{"class":5946},[5388,37269,37270],{"class":5390,"line":5428},[5388,37271,5413],{"emptyLinePlaceholder":5412},[5388,37273,37274,37276,37278,37280,37282,37284,37286],{"class":5390,"line":5434},[5388,37275,7270],{"class":6435},[5388,37277,37237],{"class":6384},[5388,37279,5555],{"class":5946},[5388,37281,37242],{"class":6086},[5388,37283,6399],{"class":5946},[5388,37285,32660],{"class":6038},[5388,37287,8047],{"class":5946},[5388,37289,37290,37292,37294,37296,37298,37301],{"class":5390,"line":5439},[5388,37291,9869],{"class":6384},[5388,37293,5555],{"class":5946},[5388,37295,6686],{"class":6086},[5388,37297,6399],{"class":5946},[5388,37299,37300],{"class":6038},"\"Таблиця users існує (за назвою)\"",[5388,37302,6405],{"class":5946},[5388,37304,37305],{"class":5390,"line":5445},[5388,37306,5711],{"class":5946},[5388,37308,37309],{"class":5390,"line":5451},[5388,37310,5413],{"emptyLinePlaceholder":5412},[5388,37312,37313],{"class":5390,"line":5456},[5388,37314,37315],{"class":5936},"\u002F\u002F Створення таблиці\n",[5388,37317,37318,37320,37322,37325,37327,37329],{"class":5390,"line":5462},[5388,37319,37211],{"class":6384},[5388,37321,5555],{"class":5946},[5388,37323,37324],{"class":6086},"CreateTable",[5388,37326,7742],{"class":5946},[5388,37328,7617],{"class":6425},[5388,37330,12659],{"class":5946},[5388,37332,37333],{"class":5390,"line":5468},[5388,37334,5413],{"emptyLinePlaceholder":5412},[5388,37336,37337],{"class":5390,"line":5474},[5388,37338,37339],{"class":5936},"\u002F\u002F Видалення таблиці\n",[5388,37341,37342,37344,37346,37349,37351,37353],{"class":5390,"line":5480},[5388,37343,37211],{"class":6384},[5388,37345,5555],{"class":5946},[5388,37347,37348],{"class":6086},"DropTable",[5388,37350,7742],{"class":5946},[5388,37352,7617],{"class":6425},[5388,37354,12659],{"class":5946},[5388,37356,37357,37359,37361,37363,37365,37367],{"class":5390,"line":5486},[5388,37358,37211],{"class":6384},[5388,37360,5555],{"class":5946},[5388,37362,37348],{"class":6086},[5388,37364,6399],{"class":5946},[5388,37366,32660],{"class":6038},[5388,37368,6405],{"class":5946},[5388,37370,37371],{"class":5390,"line":5491},[5388,37372,5413],{"emptyLinePlaceholder":5412},[5388,37374,37375],{"class":5390,"line":5497},[5388,37376,37377],{"class":5936},"\u002F\u002F Перейменування таблиці\n",[5388,37379,37380,37382,37384,37387,37389,37391,37393,37396],{"class":5390,"line":5502},[5388,37381,37211],{"class":6384},[5388,37383,5555],{"class":5946},[5388,37385,37386],{"class":6086},"RenameTable",[5388,37388,7742],{"class":5946},[5388,37390,7617],{"class":6425},[5388,37392,21382],{"class":5946},[5388,37394,37395],{"class":6425},"Customer",[5388,37397,12659],{"class":5946},[5388,37399,37400,37402,37404,37406,37408,37410,37412,37415],{"class":5390,"line":5508},[5388,37401,37211],{"class":6384},[5388,37403,5555],{"class":5946},[5388,37405,37386],{"class":6086},[5388,37407,6399],{"class":5946},[5388,37409,32660],{"class":6038},[5388,37411,5603],{"class":5946},[5388,37413,37414],{"class":6038},"\"customers\"",[5388,37416,6405],{"class":5946},[5615,37418,37420],{"id":37419},"операції-з-колонками","Операції з колонками",[5379,37422,37424],{"className":6376,"code":37423,"language":6232,"meta":5384,"style":5384},"type User struct {\n    ID    uint\n    Name  string\n    Email string\n    Age   int\n}\n\nmigrator := db.Migrator()\n\n\u002F\u002F Перевірка існування колонки\nif migrator.HasColumn(&User{}, \"Email\") {\n    log.Println(\"Колонка email існує\")\n}\n\n\u002F\u002F Додавання колонки\ntype UpdatedUser struct {\n    User\n    PhoneNumber string\n}\nmigrator.AddColumn(&UpdatedUser{}, \"PhoneNumber\")\n\n\u002F\u002F Видалення колонки\nmigrator.DropColumn(&User{}, \"Age\")\n\n\u002F\u002F Зміна типу колонки\nmigrator.AlterColumn(&User{}, \"Name\")\n\n\u002F\u002F Перейменування колонки\nmigrator.RenameColumn(&User{}, \"Name\", \"FullName\")\n\n\u002F\u002F Отримання типу колонки\ncolumnTypes, _ := migrator.ColumnTypes(&User{})\nfor _, ct := range columnTypes {\n    log.Printf(\"Колонка: %s, Тип: %s\", ct.Name(), ct.DatabaseTypeName())\n}\n",[5204,37425,37426,37436,37442,37448,37454,37461,37465,37469,37483,37487,37492,37514,37529,37533,37537,37542,37553,37558,37565,37569,37590,37594,37599,37619,37623,37628,37648,37652,37657,37681,37685,37690,37714,37734,37775],{"__ignoreMap":5384},[5388,37427,37428,37430,37432,37434],{"class":5390,"line":5391},[5388,37429,7440],{"class":6096},[5388,37431,7443],{"class":6425},[5388,37433,7446],{"class":6096},[5388,37435,6561],{"class":5946},[5388,37437,37438,37440],{"class":5390,"line":5397},[5388,37439,7453],{"class":6384},[5388,37441,14908],{"class":6425},[5388,37443,37444,37446],{"class":5390,"line":5403},[5388,37445,15123],{"class":6384},[5388,37447,14968],{"class":6425},[5388,37449,37450,37452],{"class":5390,"line":5409},[5388,37451,7461],{"class":6384},[5388,37453,7472],{"class":6425},[5388,37455,37456,37458],{"class":5390,"line":5416},[5388,37457,16849],{"class":6384},[5388,37459,37460],{"class":6425},"   int\n",[5388,37462,37463],{"class":5390,"line":5422},[5388,37464,5711],{"class":5946},[5388,37466,37467],{"class":5390,"line":5428},[5388,37468,5413],{"emptyLinePlaceholder":5412},[5388,37470,37471,37473,37475,37477,37479,37481],{"class":5390,"line":5434},[5388,37472,37211],{"class":6384},[5388,37474,6388],{"class":5946},[5388,37476,6629],{"class":6384},[5388,37478,5555],{"class":5946},[5388,37480,37115],{"class":6086},[5388,37482,6609],{"class":5946},[5388,37484,37485],{"class":5390,"line":5439},[5388,37486,5413],{"emptyLinePlaceholder":5412},[5388,37488,37489],{"class":5390,"line":5445},[5388,37490,37491],{"class":5936},"\u002F\u002F Перевірка існування колонки\n",[5388,37493,37494,37496,37498,37500,37503,37505,37507,37509,37512],{"class":5390,"line":5451},[5388,37495,7270],{"class":6435},[5388,37497,37237],{"class":6384},[5388,37499,5555],{"class":5946},[5388,37501,37502],{"class":6086},"HasColumn",[5388,37504,7742],{"class":5946},[5388,37506,7617],{"class":6425},[5388,37508,17820],{"class":5946},[5388,37510,37511],{"class":6038},"\"Email\"",[5388,37513,8047],{"class":5946},[5388,37515,37516,37518,37520,37522,37524,37527],{"class":5390,"line":5456},[5388,37517,9869],{"class":6384},[5388,37519,5555],{"class":5946},[5388,37521,6686],{"class":6086},[5388,37523,6399],{"class":5946},[5388,37525,37526],{"class":6038},"\"Колонка email існує\"",[5388,37528,6405],{"class":5946},[5388,37530,37531],{"class":5390,"line":5462},[5388,37532,5711],{"class":5946},[5388,37534,37535],{"class":5390,"line":5468},[5388,37536,5413],{"emptyLinePlaceholder":5412},[5388,37538,37539],{"class":5390,"line":5474},[5388,37540,37541],{"class":5936},"\u002F\u002F Додавання колонки\n",[5388,37543,37544,37546,37549,37551],{"class":5390,"line":5480},[5388,37545,7440],{"class":6096},[5388,37547,37548],{"class":6425}," UpdatedUser",[5388,37550,7446],{"class":6096},[5388,37552,6561],{"class":5946},[5388,37554,37555],{"class":5390,"line":5486},[5388,37556,37557],{"class":6425},"    User\n",[5388,37559,37560,37563],{"class":5390,"line":5491},[5388,37561,37562],{"class":6384},"    PhoneNumber",[5388,37564,7472],{"class":6425},[5388,37566,37567],{"class":5390,"line":5497},[5388,37568,5711],{"class":5946},[5388,37570,37571,37573,37575,37578,37580,37583,37585,37588],{"class":5390,"line":5502},[5388,37572,37211],{"class":6384},[5388,37574,5555],{"class":5946},[5388,37576,37577],{"class":6086},"AddColumn",[5388,37579,7742],{"class":5946},[5388,37581,37582],{"class":6425},"UpdatedUser",[5388,37584,17820],{"class":5946},[5388,37586,37587],{"class":6038},"\"PhoneNumber\"",[5388,37589,6405],{"class":5946},[5388,37591,37592],{"class":5390,"line":5508},[5388,37593,5413],{"emptyLinePlaceholder":5412},[5388,37595,37596],{"class":5390,"line":5513},[5388,37597,37598],{"class":5936},"\u002F\u002F Видалення колонки\n",[5388,37600,37601,37603,37605,37608,37610,37612,37614,37617],{"class":5390,"line":5518},[5388,37602,37211],{"class":6384},[5388,37604,5555],{"class":5946},[5388,37606,37607],{"class":6086},"DropColumn",[5388,37609,7742],{"class":5946},[5388,37611,7617],{"class":6425},[5388,37613,17820],{"class":5946},[5388,37615,37616],{"class":6038},"\"Age\"",[5388,37618,6405],{"class":5946},[5388,37620,37621],{"class":5390,"line":5524},[5388,37622,5413],{"emptyLinePlaceholder":5412},[5388,37624,37625],{"class":5390,"line":5530},[5388,37626,37627],{"class":5936},"\u002F\u002F Зміна типу колонки\n",[5388,37629,37630,37632,37634,37637,37639,37641,37643,37646],{"class":5390,"line":5535},[5388,37631,37211],{"class":6384},[5388,37633,5555],{"class":5946},[5388,37635,37636],{"class":6086},"AlterColumn",[5388,37638,7742],{"class":5946},[5388,37640,7617],{"class":6425},[5388,37642,17820],{"class":5946},[5388,37644,37645],{"class":6038},"\"Name\"",[5388,37647,6405],{"class":5946},[5388,37649,37650],{"class":5390,"line":5803},[5388,37651,5413],{"emptyLinePlaceholder":5412},[5388,37653,37654],{"class":5390,"line":5808},[5388,37655,37656],{"class":5936},"\u002F\u002F Перейменування колонки\n",[5388,37658,37659,37661,37663,37666,37668,37670,37672,37674,37676,37679],{"class":5390,"line":7649},[5388,37660,37211],{"class":6384},[5388,37662,5555],{"class":5946},[5388,37664,37665],{"class":6086},"RenameColumn",[5388,37667,7742],{"class":5946},[5388,37669,7617],{"class":6425},[5388,37671,17820],{"class":5946},[5388,37673,37645],{"class":6038},[5388,37675,5603],{"class":5946},[5388,37677,37678],{"class":6038},"\"FullName\"",[5388,37680,6405],{"class":5946},[5388,37682,37683],{"class":5390,"line":7654},[5388,37684,5413],{"emptyLinePlaceholder":5412},[5388,37686,37687],{"class":5390,"line":7659},[5388,37688,37689],{"class":5936},"\u002F\u002F Отримання типу колонки\n",[5388,37691,37692,37695,37697,37699,37701,37703,37705,37708,37710,37712],{"class":5390,"line":7665},[5388,37693,37694],{"class":6384},"columnTypes",[5388,37696,5603],{"class":5946},[5388,37698,6712],{"class":6384},[5388,37700,6388],{"class":5946},[5388,37702,37211],{"class":6384},[5388,37704,5555],{"class":5946},[5388,37706,37707],{"class":6086},"ColumnTypes",[5388,37709,7742],{"class":5946},[5388,37711,7617],{"class":6425},[5388,37713,12659],{"class":5946},[5388,37715,37716,37718,37720,37722,37725,37727,37729,37732],{"class":5390,"line":7696},[5388,37717,8877],{"class":6435},[5388,37719,14256],{"class":6384},[5388,37721,5603],{"class":5946},[5388,37723,37724],{"class":6384},"ct",[5388,37726,6388],{"class":5946},[5388,37728,14266],{"class":6435},[5388,37730,37731],{"class":6384}," columnTypes",[5388,37733,6561],{"class":5946},[5388,37735,37736,37738,37740,37742,37744,37747,37749,37752,37754,37756,37758,37760,37762,37764,37766,37768,37770,37773],{"class":5390,"line":7709},[5388,37737,9869],{"class":6384},[5388,37739,5555],{"class":5946},[5388,37741,13877],{"class":6086},[5388,37743,6399],{"class":5946},[5388,37745,37746],{"class":6038},"\"Колонка: ",[5388,37748,14127],{"class":6384},[5388,37750,37751],{"class":6038},", Тип: ",[5388,37753,14127],{"class":6384},[5388,37755,6582],{"class":6038},[5388,37757,5603],{"class":5946},[5388,37759,37724],{"class":6384},[5388,37761,5555],{"class":5946},[5388,37763,18763],{"class":6086},[5388,37765,31070],{"class":5946},[5388,37767,37724],{"class":6384},[5388,37769,5555],{"class":5946},[5388,37771,37772],{"class":6086},"DatabaseTypeName",[5388,37774,25319],{"class":5946},[5388,37776,37777],{"class":5390,"line":7721},[5388,37778,5711],{"class":5946},[5615,37780,37782],{"id":37781},"операції-з-індексами","Операції з індексами",[5379,37784,37786],{"className":6376,"code":37785,"language":6232,"meta":5384,"style":5384},"type User struct {\n    ID    uint\n    Email string `gorm:\"index:idx_email,unique\"`\n    Name  string `gorm:\"index:idx_name\"`\n}\n\nmigrator := db.Migrator()\n\n\u002F\u002F Створення індексу\nmigrator.CreateIndex(&User{}, \"Email\")\nmigrator.CreateIndex(&User{}, \"idx_email\")\n\n\u002F\u002F Видалення індексу\nmigrator.DropIndex(&User{}, \"idx_email\")\n\n\u002F\u002F Перевірка існування індексу\nif migrator.HasIndex(&User{}, \"idx_email\") {\n    log.Println(\"Індекс існує\")\n}\n\n\u002F\u002F Перейменування індексу\nmigrator.RenameIndex(&User{}, \"idx_email\", \"idx_user_email\")\n",[5204,37787,37788,37798,37804,37813,37822,37826,37830,37844,37848,37853,37872,37891,37895,37900,37919,37923,37928,37949,37964,37968,37972,37977],{"__ignoreMap":5384},[5388,37789,37790,37792,37794,37796],{"class":5390,"line":5391},[5388,37791,7440],{"class":6096},[5388,37793,7443],{"class":6425},[5388,37795,7446],{"class":6096},[5388,37797,6561],{"class":5946},[5388,37799,37800,37802],{"class":5390,"line":5397},[5388,37801,7453],{"class":6384},[5388,37803,14908],{"class":6425},[5388,37805,37806,37808,37810],{"class":5390,"line":5403},[5388,37807,7461],{"class":6384},[5388,37809,9935],{"class":6425},[5388,37811,37812],{"class":6038}," `gorm:\"index:idx_email,unique\"`\n",[5388,37814,37815,37817,37819],{"class":5390,"line":5409},[5388,37816,15123],{"class":6384},[5388,37818,16932],{"class":6425},[5388,37820,37821],{"class":6038}," `gorm:\"index:idx_name\"`\n",[5388,37823,37824],{"class":5390,"line":5416},[5388,37825,5711],{"class":5946},[5388,37827,37828],{"class":5390,"line":5422},[5388,37829,5413],{"emptyLinePlaceholder":5412},[5388,37831,37832,37834,37836,37838,37840,37842],{"class":5390,"line":5428},[5388,37833,37211],{"class":6384},[5388,37835,6388],{"class":5946},[5388,37837,6629],{"class":6384},[5388,37839,5555],{"class":5946},[5388,37841,37115],{"class":6086},[5388,37843,6609],{"class":5946},[5388,37845,37846],{"class":5390,"line":5434},[5388,37847,5413],{"emptyLinePlaceholder":5412},[5388,37849,37850],{"class":5390,"line":5439},[5388,37851,37852],{"class":5936},"\u002F\u002F Створення індексу\n",[5388,37854,37855,37857,37859,37862,37864,37866,37868,37870],{"class":5390,"line":5445},[5388,37856,37211],{"class":6384},[5388,37858,5555],{"class":5946},[5388,37860,37861],{"class":6086},"CreateIndex",[5388,37863,7742],{"class":5946},[5388,37865,7617],{"class":6425},[5388,37867,17820],{"class":5946},[5388,37869,37511],{"class":6038},[5388,37871,6405],{"class":5946},[5388,37873,37874,37876,37878,37880,37882,37884,37886,37889],{"class":5390,"line":5451},[5388,37875,37211],{"class":6384},[5388,37877,5555],{"class":5946},[5388,37879,37861],{"class":6086},[5388,37881,7742],{"class":5946},[5388,37883,7617],{"class":6425},[5388,37885,17820],{"class":5946},[5388,37887,37888],{"class":6038},"\"idx_email\"",[5388,37890,6405],{"class":5946},[5388,37892,37893],{"class":5390,"line":5456},[5388,37894,5413],{"emptyLinePlaceholder":5412},[5388,37896,37897],{"class":5390,"line":5462},[5388,37898,37899],{"class":5936},"\u002F\u002F Видалення індексу\n",[5388,37901,37902,37904,37906,37909,37911,37913,37915,37917],{"class":5390,"line":5468},[5388,37903,37211],{"class":6384},[5388,37905,5555],{"class":5946},[5388,37907,37908],{"class":6086},"DropIndex",[5388,37910,7742],{"class":5946},[5388,37912,7617],{"class":6425},[5388,37914,17820],{"class":5946},[5388,37916,37888],{"class":6038},[5388,37918,6405],{"class":5946},[5388,37920,37921],{"class":5390,"line":5474},[5388,37922,5413],{"emptyLinePlaceholder":5412},[5388,37924,37925],{"class":5390,"line":5480},[5388,37926,37927],{"class":5936},"\u002F\u002F Перевірка існування індексу\n",[5388,37929,37930,37932,37934,37936,37939,37941,37943,37945,37947],{"class":5390,"line":5486},[5388,37931,7270],{"class":6435},[5388,37933,37237],{"class":6384},[5388,37935,5555],{"class":5946},[5388,37937,37938],{"class":6086},"HasIndex",[5388,37940,7742],{"class":5946},[5388,37942,7617],{"class":6425},[5388,37944,17820],{"class":5946},[5388,37946,37888],{"class":6038},[5388,37948,8047],{"class":5946},[5388,37950,37951,37953,37955,37957,37959,37962],{"class":5390,"line":5491},[5388,37952,9869],{"class":6384},[5388,37954,5555],{"class":5946},[5388,37956,6686],{"class":6086},[5388,37958,6399],{"class":5946},[5388,37960,37961],{"class":6038},"\"Індекс існує\"",[5388,37963,6405],{"class":5946},[5388,37965,37966],{"class":5390,"line":5497},[5388,37967,5711],{"class":5946},[5388,37969,37970],{"class":5390,"line":5502},[5388,37971,5413],{"emptyLinePlaceholder":5412},[5388,37973,37974],{"class":5390,"line":5508},[5388,37975,37976],{"class":5936},"\u002F\u002F Перейменування індексу\n",[5388,37978,37979,37981,37983,37986,37988,37990,37992,37994,37996,37999],{"class":5390,"line":5513},[5388,37980,37211],{"class":6384},[5388,37982,5555],{"class":5946},[5388,37984,37985],{"class":6086},"RenameIndex",[5388,37987,7742],{"class":5946},[5388,37989,7617],{"class":6425},[5388,37991,17820],{"class":5946},[5388,37993,37888],{"class":6038},[5388,37995,5603],{"class":5946},[5388,37997,37998],{"class":6038},"\"idx_user_email\"",[5388,38000,6405],{"class":5946},[5615,38002,38004],{"id":38003},"операції-з-обмеженнями-constraints","Операції з обмеженнями (Constraints)",[5379,38006,38008],{"className":6376,"code":38007,"language":6232,"meta":5384,"style":5384},"type User struct {\n    ID   uint\n    Name string\n}\n\ntype Post struct {\n    ID     uint\n    UserID uint\n    User   User `gorm:\"constraint:OnDelete:CASCADE;\"`\n}\n\nmigrator := db.Migrator()\n\n\u002F\u002F Перевірка існування constraint\nif migrator.HasConstraint(&Post{}, \"fk_posts_user\") {\n    log.Println(\"Constraint існує\")\n}\n\n\u002F\u002F Створення constraint\nmigrator.CreateConstraint(&Post{}, \"User\")\n\n\u002F\u002F Видалення constraint\nmigrator.DropConstraint(&Post{}, \"fk_posts_user\")\n",[5204,38009,38010,38020,38026,38032,38036,38040,38050,38056,38062,38070,38074,38078,38092,38096,38101,38123,38138,38142,38146,38151,38171,38175,38180],{"__ignoreMap":5384},[5388,38011,38012,38014,38016,38018],{"class":5390,"line":5391},[5388,38013,7440],{"class":6096},[5388,38015,7443],{"class":6425},[5388,38017,7446],{"class":6096},[5388,38019,6561],{"class":5946},[5388,38021,38022,38024],{"class":5390,"line":5397},[5388,38023,7453],{"class":6384},[5388,38025,18571],{"class":6425},[5388,38027,38028,38030],{"class":5390,"line":5403},[5388,38029,15123],{"class":6384},[5388,38031,7472],{"class":6425},[5388,38033,38034],{"class":5390,"line":5409},[5388,38035,5711],{"class":5946},[5388,38037,38038],{"class":5390,"line":5416},[5388,38039,5413],{"emptyLinePlaceholder":5412},[5388,38041,38042,38044,38046,38048],{"class":5390,"line":5422},[5388,38043,7440],{"class":6096},[5388,38045,14942],{"class":6425},[5388,38047,7446],{"class":6096},[5388,38049,6561],{"class":5946},[5388,38051,38052,38054],{"class":5390,"line":5428},[5388,38053,7453],{"class":6384},[5388,38055,14953],{"class":6425},[5388,38057,38058,38060],{"class":5390,"line":5434},[5388,38059,14786],{"class":6384},[5388,38061,14960],{"class":6425},[5388,38063,38064,38066,38068],{"class":5390,"line":5439},[5388,38065,16765],{"class":6384},[5388,38067,16768],{"class":6425},[5388,38069,28619],{"class":6038},[5388,38071,38072],{"class":5390,"line":5445},[5388,38073,5711],{"class":5946},[5388,38075,38076],{"class":5390,"line":5451},[5388,38077,5413],{"emptyLinePlaceholder":5412},[5388,38079,38080,38082,38084,38086,38088,38090],{"class":5390,"line":5456},[5388,38081,37211],{"class":6384},[5388,38083,6388],{"class":5946},[5388,38085,6629],{"class":6384},[5388,38087,5555],{"class":5946},[5388,38089,37115],{"class":6086},[5388,38091,6609],{"class":5946},[5388,38093,38094],{"class":5390,"line":5462},[5388,38095,5413],{"emptyLinePlaceholder":5412},[5388,38097,38098],{"class":5390,"line":5468},[5388,38099,38100],{"class":5936},"\u002F\u002F Перевірка існування constraint\n",[5388,38102,38103,38105,38107,38109,38112,38114,38116,38118,38121],{"class":5390,"line":5474},[5388,38104,7270],{"class":6435},[5388,38106,37237],{"class":6384},[5388,38108,5555],{"class":5946},[5388,38110,38111],{"class":6086},"HasConstraint",[5388,38113,7742],{"class":5946},[5388,38115,14924],{"class":6425},[5388,38117,17820],{"class":5946},[5388,38119,38120],{"class":6038},"\"fk_posts_user\"",[5388,38122,8047],{"class":5946},[5388,38124,38125,38127,38129,38131,38133,38136],{"class":5390,"line":5480},[5388,38126,9869],{"class":6384},[5388,38128,5555],{"class":5946},[5388,38130,6686],{"class":6086},[5388,38132,6399],{"class":5946},[5388,38134,38135],{"class":6038},"\"Constraint існує\"",[5388,38137,6405],{"class":5946},[5388,38139,38140],{"class":5390,"line":5486},[5388,38141,5711],{"class":5946},[5388,38143,38144],{"class":5390,"line":5491},[5388,38145,5413],{"emptyLinePlaceholder":5412},[5388,38147,38148],{"class":5390,"line":5497},[5388,38149,38150],{"class":5936},"\u002F\u002F Створення constraint\n",[5388,38152,38153,38155,38157,38160,38162,38164,38166,38169],{"class":5390,"line":5502},[5388,38154,37211],{"class":6384},[5388,38156,5555],{"class":5946},[5388,38158,38159],{"class":6086},"CreateConstraint",[5388,38161,7742],{"class":5946},[5388,38163,14924],{"class":6425},[5388,38165,17820],{"class":5946},[5388,38167,38168],{"class":6038},"\"User\"",[5388,38170,6405],{"class":5946},[5388,38172,38173],{"class":5390,"line":5508},[5388,38174,5413],{"emptyLinePlaceholder":5412},[5388,38176,38177],{"class":5390,"line":5513},[5388,38178,38179],{"class":5936},"\u002F\u002F Видалення constraint\n",[5388,38181,38182,38184,38186,38189,38191,38193,38195,38197],{"class":5390,"line":5518},[5388,38183,37211],{"class":6384},[5388,38185,5555],{"class":5946},[5388,38187,38188],{"class":6086},"DropConstraint",[5388,38190,7742],{"class":5946},[5388,38192,14924],{"class":6425},[5388,38194,17820],{"class":5946},[5388,38196,38120],{"class":6038},[5388,38198,6405],{"class":5946},[5615,38200,38202],{"id":38201},"отримання-інформації-про-таблиці","Отримання інформації про таблиці",[5379,38204,38206],{"className":6376,"code":38205,"language":6232,"meta":5384,"style":5384},"\u002F\u002F Список всіх таблиць\ntables, err := migrator.GetTables()\nfor _, table := range tables {\n    log.Println(table)\n}\n\n\u002F\u002F Отримання SQL для створення таблиці (PostgreSQL)\ndb.Exec(\"SELECT pg_get_tabledef('users')\")\n",[5204,38207,38208,38213,38233,38252,38266,38270,38274,38279],{"__ignoreMap":5384},[5388,38209,38210],{"class":5390,"line":5391},[5388,38211,38212],{"class":5936},"\u002F\u002F Список всіх таблиць\n",[5388,38214,38215,38218,38220,38222,38224,38226,38228,38231],{"class":5390,"line":5397},[5388,38216,38217],{"class":6384},"tables",[5388,38219,5603],{"class":5946},[5388,38221,6523],{"class":6384},[5388,38223,6388],{"class":5946},[5388,38225,37211],{"class":6384},[5388,38227,5555],{"class":5946},[5388,38229,38230],{"class":6086},"GetTables",[5388,38232,6609],{"class":5946},[5388,38234,38235,38237,38239,38241,38243,38245,38247,38250],{"class":5390,"line":5403},[5388,38236,8877],{"class":6435},[5388,38238,14256],{"class":6384},[5388,38240,5603],{"class":5946},[5388,38242,12404],{"class":6384},[5388,38244,6388],{"class":5946},[5388,38246,14266],{"class":6435},[5388,38248,38249],{"class":6384}," tables",[5388,38251,6561],{"class":5946},[5388,38253,38254,38256,38258,38260,38262,38264],{"class":5390,"line":5409},[5388,38255,9869],{"class":6384},[5388,38257,5555],{"class":5946},[5388,38259,6686],{"class":6086},[5388,38261,6399],{"class":5946},[5388,38263,12404],{"class":6384},[5388,38265,6405],{"class":5946},[5388,38267,38268],{"class":5390,"line":5416},[5388,38269,5711],{"class":5946},[5388,38271,38272],{"class":5390,"line":5422},[5388,38273,5413],{"emptyLinePlaceholder":5412},[5388,38275,38276],{"class":5390,"line":5428},[5388,38277,38278],{"class":5936},"\u002F\u002F Отримання SQL для створення таблиці (PostgreSQL)\n",[5388,38280,38281,38283,38285,38287,38289,38292],{"class":5390,"line":5434},[5388,38282,6629],{"class":6384},[5388,38284,5555],{"class":5946},[5388,38286,7122],{"class":6086},[5388,38288,6399],{"class":5946},[5388,38290,38291],{"class":6038},"\"SELECT pg_get_tabledef('users')\"",[5388,38293,6405],{"class":5946},[5258,38295],{},[5261,38297,38299],{"id":38298},"практичні-патерни-та-рекомендації","Практичні патерни та рекомендації",[5615,38301,38303],{"id":38302},"soft-delete-детальніше","Soft Delete — детальніше",[5379,38305,38307],{"className":6376,"code":38306,"language":6232,"meta":5384,"style":5384},"type User struct {\n    ID        uint\n    Name      string\n    DeletedAt gorm.DeletedAt `gorm:\"index\"`\n}\n\nuser := User{ID: 1, Name: \"Alice\"}\ndb.Create(&user)\n\n\u002F\u002F Soft Delete\ndb.Delete(&user)\n\u002F\u002F UPDATE users SET deleted_at = '2024-01-01 10:00:00' WHERE id = 1\n\n\u002F\u002F Запити ігнорують soft-deleted\nvar users []User\ndb.Find(&users)\n\u002F\u002F SELECT * FROM users WHERE deleted_at IS NULL\n\n\u002F\u002F Пошук лише видалених\ndb.Unscoped().Where(\"deleted_at IS NOT NULL\").Find(&users)\n\n\u002F\u002F Постійне видалення\ndb.Unscoped().Delete(&user)\n\u002F\u002F DELETE FROM users WHERE id = 1\n\n\u002F\u002F Відновлення видаленого запису\ndb.Unscoped().Model(&user).Update(\"deleted_at\", nil)\n",[5204,38308,38309,38319,38325,38331,38343,38347,38351,38377,38391,38395,38400,38414,38419,38423,38428,38438,38452,38457,38461,38466,38493,38497,38502,38520,38525,38529,38534],{"__ignoreMap":5384},[5388,38310,38311,38313,38315,38317],{"class":5390,"line":5391},[5388,38312,7440],{"class":6096},[5388,38314,7443],{"class":6425},[5388,38316,7446],{"class":6096},[5388,38318,6561],{"class":5946},[5388,38320,38321,38323],{"class":5390,"line":5397},[5388,38322,7453],{"class":6384},[5388,38324,16095],{"class":6425},[5388,38326,38327,38329],{"class":5390,"line":5403},[5388,38328,15123],{"class":6384},[5388,38330,17964],{"class":6425},[5388,38332,38333,38335,38337,38339,38341],{"class":5390,"line":5409},[5388,38334,13466],{"class":6384},[5388,38336,17244],{"class":6425},[5388,38338,5555],{"class":5946},[5388,38340,13474],{"class":6425},[5388,38342,17251],{"class":6038},[5388,38344,38345],{"class":5390,"line":5416},[5388,38346,5711],{"class":5946},[5388,38348,38349],{"class":5390,"line":5422},[5388,38350,5413],{"emptyLinePlaceholder":5412},[5388,38352,38353,38355,38357,38359,38361,38363,38365,38367,38369,38371,38373,38375],{"class":5390,"line":5428},[5388,38354,7612],{"class":6384},[5388,38356,6388],{"class":5946},[5388,38358,7617],{"class":6425},[5388,38360,7559],{"class":5946},[5388,38362,7749],{"class":6384},[5388,38364,5947],{"class":5946},[5388,38366,7377],{"class":6853},[5388,38368,5603],{"class":5946},[5388,38370,18763],{"class":6384},[5388,38372,5947],{"class":5946},[5388,38374,17514],{"class":6038},[5388,38376,5711],{"class":5946},[5388,38378,38379,38381,38383,38385,38387,38389],{"class":5390,"line":5434},[5388,38380,6629],{"class":6384},[5388,38382,5555],{"class":5946},[5388,38384,7594],{"class":6086},[5388,38386,7742],{"class":5946},[5388,38388,7612],{"class":6384},[5388,38390,6405],{"class":5946},[5388,38392,38393],{"class":5390,"line":5439},[5388,38394,5413],{"emptyLinePlaceholder":5412},[5388,38396,38397],{"class":5390,"line":5445},[5388,38398,38399],{"class":5936},"\u002F\u002F Soft Delete\n",[5388,38401,38402,38404,38406,38408,38410,38412],{"class":5390,"line":5451},[5388,38403,6629],{"class":6384},[5388,38405,5555],{"class":5946},[5388,38407,9277],{"class":6086},[5388,38409,7742],{"class":5946},[5388,38411,7612],{"class":6384},[5388,38413,6405],{"class":5946},[5388,38415,38416],{"class":5390,"line":5456},[5388,38417,38418],{"class":5936},"\u002F\u002F UPDATE users SET deleted_at = '2024-01-01 10:00:00' WHERE id = 1\n",[5388,38420,38421],{"class":5390,"line":5462},[5388,38422,5413],{"emptyLinePlaceholder":5412},[5388,38424,38425],{"class":5390,"line":5468},[5388,38426,38427],{"class":5936},"\u002F\u002F Запити ігнорують soft-deleted\n",[5388,38429,38430,38432,38434,38436],{"class":5390,"line":5474},[5388,38431,10649],{"class":6096},[5388,38433,8502],{"class":6384},[5388,38435,10654],{"class":5946},[5388,38437,8508],{"class":6425},[5388,38439,38440,38442,38444,38446,38448,38450],{"class":5390,"line":5480},[5388,38441,6629],{"class":6384},[5388,38443,5555],{"class":5946},[5388,38445,14239],{"class":6086},[5388,38447,7742],{"class":5946},[5388,38449,8643],{"class":6384},[5388,38451,6405],{"class":5946},[5388,38453,38454],{"class":5390,"line":5486},[5388,38455,38456],{"class":5936},"\u002F\u002F SELECT * FROM users WHERE deleted_at IS NULL\n",[5388,38458,38459],{"class":5390,"line":5491},[5388,38460,5413],{"emptyLinePlaceholder":5412},[5388,38462,38463],{"class":5390,"line":5497},[5388,38464,38465],{"class":5936},"\u002F\u002F Пошук лише видалених\n",[5388,38467,38468,38470,38472,38474,38476,38478,38480,38483,38485,38487,38489,38491],{"class":5390,"line":5502},[5388,38469,6629],{"class":6384},[5388,38471,5555],{"class":5946},[5388,38473,14692],{"class":6086},[5388,38475,14363],{"class":5946},[5388,38477,14187],{"class":6086},[5388,38479,6399],{"class":5946},[5388,38481,38482],{"class":6038},"\"deleted_at IS NOT NULL\"",[5388,38484,5827],{"class":5946},[5388,38486,14239],{"class":6086},[5388,38488,7742],{"class":5946},[5388,38490,8643],{"class":6384},[5388,38492,6405],{"class":5946},[5388,38494,38495],{"class":5390,"line":5508},[5388,38496,5413],{"emptyLinePlaceholder":5412},[5388,38498,38499],{"class":5390,"line":5513},[5388,38500,38501],{"class":5936},"\u002F\u002F Постійне видалення\n",[5388,38503,38504,38506,38508,38510,38512,38514,38516,38518],{"class":5390,"line":5518},[5388,38505,6629],{"class":6384},[5388,38507,5555],{"class":5946},[5388,38509,14692],{"class":6086},[5388,38511,14363],{"class":5946},[5388,38513,9277],{"class":6086},[5388,38515,7742],{"class":5946},[5388,38517,7612],{"class":6384},[5388,38519,6405],{"class":5946},[5388,38521,38522],{"class":5390,"line":5524},[5388,38523,38524],{"class":5936},"\u002F\u002F DELETE FROM users WHERE id = 1\n",[5388,38526,38527],{"class":5390,"line":5530},[5388,38528,5413],{"emptyLinePlaceholder":5412},[5388,38530,38531],{"class":5390,"line":5535},[5388,38532,38533],{"class":5936},"\u002F\u002F Відновлення видаленого запису\n",[5388,38535,38536,38538,38540,38542,38544,38546,38548,38550,38552,38554,38556,38559,38561,38563],{"class":5390,"line":5803},[5388,38537,6629],{"class":6384},[5388,38539,5555],{"class":5946},[5388,38541,14692],{"class":6086},[5388,38543,14363],{"class":5946},[5388,38545,14481],{"class":6086},[5388,38547,7742],{"class":5946},[5388,38549,7612],{"class":6384},[5388,38551,5827],{"class":5946},[5388,38553,8946],{"class":6086},[5388,38555,6399],{"class":5946},[5388,38557,38558],{"class":6038},"\"deleted_at\"",[5388,38560,5603],{"class":5946},[5388,38562,6558],{"class":6096},[5388,38564,6405],{"class":5946},[5615,38566,38568],{"id":38567},"тенантність-multi-tenancy","Тенантність (Multi-Tenancy)",[5379,38570,38572],{"className":6376,"code":38571,"language":6232,"meta":5384,"style":5384},"\u002F\u002F Схема через окремі БД\ntype Tenant struct {\n    ID  uint\n    DSN string\n}\n\nfunc GetTenantDB(tenantID uint) (*gorm.DB, error) {\n    var tenant Tenant\n    \u002F\u002F Завантажити tenant з основної БД\n    mainDB.First(&tenant, tenantID)\n    \n    \u002F\u002F Підключитися до БД тенанта\n    return gorm.Open(postgres.Open(tenant.DSN), &gorm.Config{})\n}\n\n\u002F\u002F Схема через tenant_id колонку\ntype User struct {\n    ID       uint\n    TenantID uint `gorm:\"index\"`\n    Name     string\n}\n\nfunc TenantScope(tenantID uint) func(db *gorm.DB) *gorm.DB {\n    return func(db *gorm.DB) *gorm.DB {\n        return db.Where(\"tenant_id = ?\", tenantID)\n    }\n}\n\n\u002F\u002F Використання:\ntenantID := 42\ndb.Scopes(TenantScope(tenantID)).Find(&users)\n",[5204,38573,38574,38579,38590,38597,38604,38608,38612,38640,38650,38655,38675,38679,38684,38720,38724,38728,38733,38743,38749,38758,38764,38768,38772,38811,38839,38860,38864,38868,38872,38876,38885],{"__ignoreMap":5384},[5388,38575,38576],{"class":5390,"line":5391},[5388,38577,38578],{"class":5936},"\u002F\u002F Схема через окремі БД\n",[5388,38580,38581,38583,38586,38588],{"class":5390,"line":5397},[5388,38582,7440],{"class":6096},[5388,38584,38585],{"class":6425}," Tenant",[5388,38587,7446],{"class":6096},[5388,38589,6561],{"class":5946},[5388,38591,38592,38594],{"class":5390,"line":5403},[5388,38593,7453],{"class":6384},[5388,38595,38596],{"class":6425},"  uint\n",[5388,38598,38599,38602],{"class":5390,"line":5409},[5388,38600,38601],{"class":6384},"    DSN",[5388,38603,7472],{"class":6425},[5388,38605,38606],{"class":5390,"line":5416},[5388,38607,5711],{"class":5946},[5388,38609,38610],{"class":5390,"line":5422},[5388,38611,5413],{"emptyLinePlaceholder":5412},[5388,38613,38614,38616,38619,38621,38624,38626,38628,38630,38632,38634,38636,38638],{"class":5390,"line":5428},[5388,38615,6483],{"class":6096},[5388,38617,38618],{"class":6086}," GetTenantDB",[5388,38620,6399],{"class":5946},[5388,38622,38623],{"class":6384},"tenantID",[5388,38625,16665],{"class":6425},[5388,38627,8038],{"class":5946},[5388,38629,13228],{"class":6425},[5388,38631,5555],{"class":5946},[5388,38633,7043],{"class":6425},[5388,38635,5603],{"class":5946},[5388,38637,7049],{"class":6425},[5388,38639,8047],{"class":5946},[5388,38641,38642,38644,38647],{"class":5390,"line":5434},[5388,38643,8499],{"class":6096},[5388,38645,38646],{"class":6384}," tenant",[5388,38648,38649],{"class":6425}," Tenant\n",[5388,38651,38652],{"class":5390,"line":5439},[5388,38653,38654],{"class":5936},"    \u002F\u002F Завантажити tenant з основної БД\n",[5388,38656,38657,38660,38662,38664,38666,38669,38671,38673],{"class":5390,"line":5445},[5388,38658,38659],{"class":6384},"    mainDB",[5388,38661,5555],{"class":5946},[5388,38663,14003],{"class":6086},[5388,38665,7742],{"class":5946},[5388,38667,38668],{"class":6384},"tenant",[5388,38670,5603],{"class":5946},[5388,38672,38623],{"class":6384},[5388,38674,6405],{"class":5946},[5388,38676,38677],{"class":5390,"line":5451},[5388,38678,6459],{"class":5946},[5388,38680,38681],{"class":5390,"line":5456},[5388,38682,38683],{"class":5936},"    \u002F\u002F Підключитися до БД тенанта\n",[5388,38685,38686,38688,38690,38692,38694,38696,38698,38700,38702,38704,38706,38708,38710,38712,38714,38716,38718],{"class":5390,"line":5462},[5388,38687,7198],{"class":6435},[5388,38689,17244],{"class":6384},[5388,38691,5555],{"class":5946},[5388,38693,6533],{"class":6086},[5388,38695,6399],{"class":5946},[5388,38697,12638],{"class":6384},[5388,38699,5555],{"class":5946},[5388,38701,6533],{"class":6086},[5388,38703,6399],{"class":5946},[5388,38705,38668],{"class":6384},[5388,38707,5555],{"class":5946},[5388,38709,6289],{"class":6384},[5388,38711,13247],{"class":5946},[5388,38713,13228],{"class":6425},[5388,38715,5555],{"class":5946},[5388,38717,12656],{"class":6425},[5388,38719,12659],{"class":5946},[5388,38721,38722],{"class":5390,"line":5468},[5388,38723,5711],{"class":5946},[5388,38725,38726],{"class":5390,"line":5474},[5388,38727,5413],{"emptyLinePlaceholder":5412},[5388,38729,38730],{"class":5390,"line":5480},[5388,38731,38732],{"class":5936},"\u002F\u002F Схема через tenant_id колонку\n",[5388,38734,38735,38737,38739,38741],{"class":5390,"line":5486},[5388,38736,7440],{"class":6096},[5388,38738,7443],{"class":6425},[5388,38740,7446],{"class":6096},[5388,38742,6561],{"class":5946},[5388,38744,38745,38747],{"class":5390,"line":5491},[5388,38746,7453],{"class":6384},[5388,38748,15168],{"class":6425},[5388,38750,38751,38754,38756],{"class":5390,"line":5497},[5388,38752,38753],{"class":6384},"    TenantID",[5388,38755,16665],{"class":6425},[5388,38757,17251],{"class":6038},[5388,38759,38760,38762],{"class":5390,"line":5502},[5388,38761,15123],{"class":6384},[5388,38763,7480],{"class":6425},[5388,38765,38766],{"class":5390,"line":5508},[5388,38767,5711],{"class":5946},[5388,38769,38770],{"class":5390,"line":5513},[5388,38771,5413],{"emptyLinePlaceholder":5412},[5388,38773,38774,38776,38779,38781,38783,38785,38787,38789,38791,38793,38795,38797,38799,38801,38803,38805,38807,38809],{"class":5390,"line":5518},[5388,38775,6483],{"class":6096},[5388,38777,38778],{"class":6086}," TenantScope",[5388,38780,6399],{"class":5946},[5388,38782,38623],{"class":6384},[5388,38784,16665],{"class":6425},[5388,38786,7046],{"class":5946},[5388,38788,6483],{"class":6096},[5388,38790,6399],{"class":5946},[5388,38792,6629],{"class":6384},[5388,38794,7036],{"class":5946},[5388,38796,13228],{"class":6425},[5388,38798,5555],{"class":5946},[5388,38800,7043],{"class":6425},[5388,38802,7542],{"class":5946},[5388,38804,13228],{"class":6425},[5388,38806,5555],{"class":5946},[5388,38808,7043],{"class":6425},[5388,38810,6561],{"class":5946},[5388,38812,38813,38815,38817,38819,38821,38823,38825,38827,38829,38831,38833,38835,38837],{"class":5390,"line":5524},[5388,38814,7198],{"class":6435},[5388,38816,11024],{"class":6096},[5388,38818,6399],{"class":5946},[5388,38820,6629],{"class":6384},[5388,38822,7036],{"class":5946},[5388,38824,13228],{"class":6425},[5388,38826,5555],{"class":5946},[5388,38828,7043],{"class":6425},[5388,38830,7542],{"class":5946},[5388,38832,13228],{"class":6425},[5388,38834,5555],{"class":5946},[5388,38836,7043],{"class":6425},[5388,38838,6561],{"class":5946},[5388,38840,38841,38843,38845,38847,38849,38851,38854,38856,38858],{"class":5390,"line":5530},[5388,38842,7146],{"class":6435},[5388,38844,6601],{"class":6384},[5388,38846,5555],{"class":5946},[5388,38848,14187],{"class":6086},[5388,38850,6399],{"class":5946},[5388,38852,38853],{"class":6038},"\"tenant_id = ?\"",[5388,38855,5603],{"class":5946},[5388,38857,38623],{"class":6384},[5388,38859,6405],{"class":5946},[5388,38861,38862],{"class":5390,"line":5535},[5388,38863,6593],{"class":5946},[5388,38865,38866],{"class":5390,"line":5803},[5388,38867,5711],{"class":5946},[5388,38869,38870],{"class":5390,"line":5808},[5388,38871,5413],{"emptyLinePlaceholder":5412},[5388,38873,38874],{"class":5390,"line":7649},[5388,38875,16007],{"class":5936},[5388,38877,38878,38880,38882],{"class":5390,"line":7654},[5388,38879,38623],{"class":6384},[5388,38881,6388],{"class":5946},[5388,38883,38884],{"class":6853},"42\n",[5388,38886,38887,38889,38891,38893,38895,38898,38900,38902,38904,38906,38908,38910],{"class":5390,"line":7659},[5388,38888,6629],{"class":6384},[5388,38890,5555],{"class":5946},[5388,38892,23315],{"class":6086},[5388,38894,6399],{"class":5946},[5388,38896,38897],{"class":6425},"TenantScope",[5388,38899,6399],{"class":5946},[5388,38901,38623],{"class":6425},[5388,38903,20933],{"class":5946},[5388,38905,14239],{"class":6086},[5388,38907,7742],{"class":5946},[5388,38909,8643],{"class":6425},[5388,38911,6405],{"class":5946},[5615,38913,38915],{"id":38914},"аудит-логи","Аудит-логи",[5379,38917,38919],{"className":6376,"code":38918,"language":6232,"meta":5384,"style":5384},"type AuditLog struct {\n    ID        uint\n    UserID    uint\n    Action    string\n    TableName string\n    RecordID  uint\n    Changes   string \u002F\u002F JSON\n    CreatedAt time.Time\n}\n\ntype User struct {\n    gorm.Model\n    Name  string\n    Email string\n}\n\nfunc (u *User) AfterCreate(tx *gorm.DB) error {\n    return tx.Create(&AuditLog{\n        UserID:    getCurrentUserID(tx),\n        Action:    \"CREATE\",\n        TableName: \"users\",\n        RecordID:  u.ID,\n        Changes:   fmt.Sprintf(`{\"name\": \"%s\", \"email\": \"%s\"}`, u.Name, u.Email),\n    }).Error\n}\n\nfunc (u *User) AfterUpdate(tx *gorm.DB) error {\n    changes := tx.Statement.Changed()\n    changesJSON, _ := json.Marshal(changes)\n    \n    return tx.Create(&AuditLog{\n        UserID:    getCurrentUserID(tx),\n        Action:    \"UPDATE\",\n        TableName: \"users\",\n        RecordID:  u.ID,\n        Changes:   string(changesJSON),\n    }).Error\n}\n",[5204,38920,38921,38932,38938,38944,38951,38958,38965,38975,38985,38989,38993,39003,39012,39018,39024,39028,39032,39066,39082,39098,39109,39120,39135,39181,39188,39192,39196,39230,39250,39275,39279,39295,39309,39319,39329,39343,39358,39364],{"__ignoreMap":5384},[5388,38922,38923,38925,38928,38930],{"class":5390,"line":5391},[5388,38924,7440],{"class":6096},[5388,38926,38927],{"class":6425}," AuditLog",[5388,38929,7446],{"class":6096},[5388,38931,6561],{"class":5946},[5388,38933,38934,38936],{"class":5390,"line":5397},[5388,38935,7453],{"class":6384},[5388,38937,16095],{"class":6425},[5388,38939,38940,38942],{"class":5390,"line":5403},[5388,38941,14786],{"class":6384},[5388,38943,14908],{"class":6425},[5388,38945,38946,38949],{"class":5390,"line":5409},[5388,38947,38948],{"class":6384},"    Action",[5388,38950,15126],{"class":6425},[5388,38952,38953,38956],{"class":5390,"line":5416},[5388,38954,38955],{"class":6384},"    TableName",[5388,38957,7472],{"class":6425},[5388,38959,38960,38963],{"class":5390,"line":5422},[5388,38961,38962],{"class":6384},"    RecordID",[5388,38964,38596],{"class":6425},[5388,38966,38967,38970,38972],{"class":5390,"line":5428},[5388,38968,38969],{"class":6384},"    Changes",[5388,38971,10597],{"class":6425},[5388,38973,38974],{"class":5936}," \u002F\u002F JSON\n",[5388,38976,38977,38979,38981,38983],{"class":5390,"line":5434},[5388,38978,9953],{"class":6384},[5388,38980,16979],{"class":6425},[5388,38982,5555],{"class":5946},[5388,38984,13450],{"class":6425},[5388,38986,38987],{"class":5390,"line":5439},[5388,38988,5711],{"class":5946},[5388,38990,38991],{"class":5390,"line":5445},[5388,38992,5413],{"emptyLinePlaceholder":5412},[5388,38994,38995,38997,38999,39001],{"class":5390,"line":5451},[5388,38996,7440],{"class":6096},[5388,38998,7443],{"class":6425},[5388,39000,7446],{"class":6096},[5388,39002,6561],{"class":5946},[5388,39004,39005,39007,39009],{"class":5390,"line":5456},[5388,39006,13469],{"class":6425},[5388,39008,5555],{"class":5946},[5388,39010,39011],{"class":6425},"Model\n",[5388,39013,39014,39016],{"class":5390,"line":5462},[5388,39015,15123],{"class":6384},[5388,39017,14968],{"class":6425},[5388,39019,39020,39022],{"class":5390,"line":5468},[5388,39021,7461],{"class":6384},[5388,39023,7472],{"class":6425},[5388,39025,39026],{"class":5390,"line":5474},[5388,39027,5711],{"class":5946},[5388,39029,39030],{"class":5390,"line":5480},[5388,39031,5413],{"emptyLinePlaceholder":5412},[5388,39033,39034,39036,39038,39040,39042,39044,39046,39048,39050,39052,39054,39056,39058,39060,39062,39064],{"class":5390,"line":5486},[5388,39035,6483],{"class":6096},[5388,39037,5306],{"class":5946},[5388,39039,15637],{"class":6384},[5388,39041,7587],{"class":5946},[5388,39043,7617],{"class":6425},[5388,39045,7046],{"class":5946},[5388,39047,15529],{"class":6086},[5388,39049,6399],{"class":5946},[5388,39051,11134],{"class":6384},[5388,39053,7036],{"class":5946},[5388,39055,13228],{"class":6425},[5388,39057,5555],{"class":5946},[5388,39059,7043],{"class":6425},[5388,39061,7046],{"class":5946},[5388,39063,7049],{"class":6425},[5388,39065,6561],{"class":5946},[5388,39067,39068,39070,39072,39074,39076,39078,39080],{"class":5390,"line":5491},[5388,39069,7198],{"class":6435},[5388,39071,11711],{"class":6384},[5388,39073,5555],{"class":5946},[5388,39075,7594],{"class":6086},[5388,39077,7742],{"class":5946},[5388,39079,16219],{"class":6425},[5388,39081,13785],{"class":5946},[5388,39083,39084,39087,39089,39092,39094,39096],{"class":5390,"line":5497},[5388,39085,39086],{"class":6384},"        UserID",[5388,39088,16024],{"class":5946},[5388,39090,39091],{"class":6086},"getCurrentUserID",[5388,39093,6399],{"class":5946},[5388,39095,11134],{"class":6384},[5388,39097,20387],{"class":5946},[5388,39099,39100,39102,39104,39107],{"class":5390,"line":5502},[5388,39101,16254],{"class":6384},[5388,39103,16024],{"class":5946},[5388,39105,39106],{"class":6038},"\"CREATE\"",[5388,39108,7693],{"class":5946},[5388,39110,39111,39114,39116,39118],{"class":5390,"line":5508},[5388,39112,39113],{"class":6384},"        TableName",[5388,39115,5947],{"class":5946},[5388,39117,32660],{"class":6038},[5388,39119,7693],{"class":5946},[5388,39121,39122,39125,39127,39129,39131,39133],{"class":5390,"line":5513},[5388,39123,39124],{"class":6384},"        RecordID",[5388,39126,16269],{"class":5946},[5388,39128,14261],{"class":6384},[5388,39130,5555],{"class":5946},[5388,39132,7749],{"class":6384},[5388,39134,7693],{"class":5946},[5388,39136,39137,39140,39142,39144,39146,39148,39150,39153,39155,39158,39160,39163,39165,39167,39169,39171,39173,39175,39177,39179],{"class":5390,"line":5518},[5388,39138,39139],{"class":6384},"        Changes",[5388,39141,16241],{"class":5946},[5388,39143,8214],{"class":6384},[5388,39145,5555],{"class":5946},[5388,39147,18713],{"class":6086},[5388,39149,6399],{"class":5946},[5388,39151,39152],{"class":6038},"`{\"name\": \"",[5388,39154,14127],{"class":6384},[5388,39156,39157],{"class":6038},"\", \"email\": \"",[5388,39159,14127],{"class":6384},[5388,39161,39162],{"class":6038},"\"}`",[5388,39164,5603],{"class":5946},[5388,39166,14261],{"class":6384},[5388,39168,5555],{"class":5946},[5388,39170,18763],{"class":6384},[5388,39172,5603],{"class":5946},[5388,39174,14261],{"class":6384},[5388,39176,5555],{"class":5946},[5388,39178,7704],{"class":6384},[5388,39180,20387],{"class":5946},[5388,39182,39183,39186],{"class":5390,"line":5524},[5388,39184,39185],{"class":5946},"    }).",[5388,39187,16317],{"class":6384},[5388,39189,39190],{"class":5390,"line":5530},[5388,39191,5711],{"class":5946},[5388,39193,39194],{"class":5390,"line":5535},[5388,39195,5413],{"emptyLinePlaceholder":5412},[5388,39197,39198,39200,39202,39204,39206,39208,39210,39212,39214,39216,39218,39220,39222,39224,39226,39228],{"class":5390,"line":5803},[5388,39199,6483],{"class":6096},[5388,39201,5306],{"class":5946},[5388,39203,15637],{"class":6384},[5388,39205,7587],{"class":5946},[5388,39207,7617],{"class":6425},[5388,39209,7046],{"class":5946},[5388,39211,15538],{"class":6086},[5388,39213,6399],{"class":5946},[5388,39215,11134],{"class":6384},[5388,39217,7036],{"class":5946},[5388,39219,13228],{"class":6425},[5388,39221,5555],{"class":5946},[5388,39223,7043],{"class":6425},[5388,39225,7046],{"class":5946},[5388,39227,7049],{"class":6425},[5388,39229,6561],{"class":5946},[5388,39231,39232,39235,39237,39239,39241,39243,39245,39248],{"class":5390,"line":5808},[5388,39233,39234],{"class":6384},"    changes",[5388,39236,6388],{"class":5946},[5388,39238,11134],{"class":6384},[5388,39240,5555],{"class":5946},[5388,39242,33190],{"class":6384},[5388,39244,5555],{"class":5946},[5388,39246,39247],{"class":6086},"Changed",[5388,39249,6609],{"class":5946},[5388,39251,39252,39255,39257,39259,39261,39263,39265,39268,39270,39273],{"class":5390,"line":7649},[5388,39253,39254],{"class":6384},"    changesJSON",[5388,39256,5603],{"class":5946},[5388,39258,6712],{"class":6384},[5388,39260,6388],{"class":5946},[5388,39262,17626],{"class":6384},[5388,39264,5555],{"class":5946},[5388,39266,39267],{"class":6086},"Marshal",[5388,39269,6399],{"class":5946},[5388,39271,39272],{"class":6384},"changes",[5388,39274,6405],{"class":5946},[5388,39276,39277],{"class":5390,"line":7654},[5388,39278,6459],{"class":5946},[5388,39280,39281,39283,39285,39287,39289,39291,39293],{"class":5390,"line":7659},[5388,39282,7198],{"class":6435},[5388,39284,11711],{"class":6384},[5388,39286,5555],{"class":5946},[5388,39288,7594],{"class":6086},[5388,39290,7742],{"class":5946},[5388,39292,16219],{"class":6425},[5388,39294,13785],{"class":5946},[5388,39296,39297,39299,39301,39303,39305,39307],{"class":5390,"line":7665},[5388,39298,39086],{"class":6384},[5388,39300,16024],{"class":5946},[5388,39302,39091],{"class":6086},[5388,39304,6399],{"class":5946},[5388,39306,11134],{"class":6384},[5388,39308,20387],{"class":5946},[5388,39310,39311,39313,39315,39317],{"class":5390,"line":7696},[5388,39312,16254],{"class":6384},[5388,39314,16024],{"class":5946},[5388,39316,16259],{"class":6038},[5388,39318,7693],{"class":5946},[5388,39320,39321,39323,39325,39327],{"class":5390,"line":7709},[5388,39322,39113],{"class":6384},[5388,39324,5947],{"class":5946},[5388,39326,32660],{"class":6038},[5388,39328,7693],{"class":5946},[5388,39330,39331,39333,39335,39337,39339,39341],{"class":5390,"line":7721},[5388,39332,39124],{"class":6384},[5388,39334,16269],{"class":5946},[5388,39336,14261],{"class":6384},[5388,39338,5555],{"class":5946},[5388,39340,7749],{"class":6384},[5388,39342,7693],{"class":5946},[5388,39344,39345,39347,39349,39351,39353,39356],{"class":5390,"line":7733},[5388,39346,39139],{"class":6384},[5388,39348,16241],{"class":5946},[5388,39350,13511],{"class":6425},[5388,39352,6399],{"class":5946},[5388,39354,39355],{"class":6384},"changesJSON",[5388,39357,20387],{"class":5946},[5388,39359,39360,39362],{"class":5390,"line":7754},[5388,39361,39185],{"class":5946},[5388,39363,16317],{"class":6384},[5388,39365,39366],{"class":5390,"line":7759},[5388,39367,5711],{"class":5946},[5841,39369,39370,39374],{},[5266,39371,39372],{},[5229,39373,6955],{},[5275,39375,39376,39382,39388,39394,39400,39406,39412,39418],{},[5197,39377,39378,39381],{},[5229,39379,39380],{},"Завжди використовуйте WithContext()"," для таймаутів та трейсингу.",[5197,39383,39384,39387],{},[5229,39385,39386],{},"Індексуйте зовнішні ключі"," та колонки у WHERE\u002FJOIN.",[5197,39389,39390,39393],{},[5229,39391,39392],{},"Використовуйте Scopes"," для DRY принципу.",[5197,39395,39396,39399],{},[5229,39397,39398],{},"Увімкніть PrepareStmt"," для high-frequency запитів.",[5197,39401,39402,39405],{},[5229,39403,39404],{},"Логуйте повільні запити"," (SlowThreshold).",[5197,39407,39408,39411],{},[5229,39409,39410],{},"Тестуйте з реальною БД",", не лише з моками.",[5197,39413,39414,39417],{},[5229,39415,39416],{},"Використовуйте міграції"," для production змін схеми.",[5197,39419,39420,39423],{},[5229,39421,39422],{},"Обробляйте ErrRecordNotFound"," явно.",[5258,39425],{},[5261,39427,39429],{"id":39428},"callbacks-система-розширення-gorm","Callbacks система — розширення GORM",[5266,39431,39432,39433,39435,39436,39439],{},"Хуки (",[5270,39434,15513],{},") — це методи моделей, але ",[5229,39437,39438],{},"callbacks"," — це глобальні обробники, які можуть модифікувати поведінку GORM для всіх моделей.",[5615,39441,39443],{"id":39442},"життєвий-цикл-запиту","Життєвий цикл запиту",[5266,39445,39446],{},"Кожна операція GORM проходить через серію callbacks:",[5379,39448,39451],{"className":39449,"code":39450,"language":6305},[6303],"Create:\n  BeforeSave → BeforeCreate → Create → AfterCreate → AfterSave\n\nQuery:\n  BeforeQuery → Query → AfterQuery\n\nUpdate:\n  BeforeSave → BeforeUpdate → Update → AfterUpdate → AfterSave\n\nDelete:\n  BeforeDelete → Delete → AfterDelete\n\nRow:\n  Row → AfterFind\n",[5204,39452,39450],{"__ignoreMap":5384},[5615,39454,39456],{"id":39455},"реєстрація-глобальних-callbacks","Реєстрація глобальних callbacks",[5379,39458,39460],{"className":6376,"code":39459,"language":6232,"meta":5384,"style":5384},"\u002F\u002F Callback для логування всіх CREATE операцій\nfunc LogCreateCallback(db *gorm.DB) {\n    \u002F\u002F Доступ до контексту запиту\n    if db.Statement.Schema != nil {\n        log.Printf(\"[CREATE] Table: %s\", db.Statement.Schema.Table)\n    }\n}\n\n\u002F\u002F Реєстрація callback\ndb.Callback().Create().After(\"gorm:create\").Register(\"log:after_create\", LogCreateCallback)\n\u002F\u002F Виконається після стандартного callback \"gorm:create\"\n\n\u002F\u002F Callback для автоматичного заповнення created_by\nfunc SetCreatedBy(db *gorm.DB) {\n    if db.Statement.Schema != nil {\n        \u002F\u002F Отримати user_id з контексту\n        if userID, ok := db.Statement.Context.Value(\"user_id\").(uint); ok {\n            \u002F\u002F Якщо модель має поле CreatedBy\n            if field := db.Statement.Schema.LookUpField(\"CreatedBy\"); field != nil {\n                field.Set(db.Statement.Context, db.Statement.ReflectValue, userID)\n            }\n        }\n    }\n}\n\n\u002F\u002F Реєстрація перед створенням\ndb.Callback().Create().Before(\"gorm:create\").Register(\"custom:set_created_by\", SetCreatedBy)\n",[5204,39461,39462,39467,39488,39493,39514,39549,39553,39557,39561,39566,39606,39611,39615,39620,39641,39661,39666,39709,39714,39754,39795,39800,39804,39808,39812,39816,39821],{"__ignoreMap":5384},[5388,39463,39464],{"class":5390,"line":5391},[5388,39465,39466],{"class":5936},"\u002F\u002F Callback для логування всіх CREATE операцій\n",[5388,39468,39469,39471,39474,39476,39478,39480,39482,39484,39486],{"class":5390,"line":5397},[5388,39470,6483],{"class":6096},[5388,39472,39473],{"class":6086}," LogCreateCallback",[5388,39475,6399],{"class":5946},[5388,39477,6629],{"class":6384},[5388,39479,7036],{"class":5946},[5388,39481,13228],{"class":6425},[5388,39483,5555],{"class":5946},[5388,39485,7043],{"class":6425},[5388,39487,8047],{"class":5946},[5388,39489,39490],{"class":5390,"line":5403},[5388,39491,39492],{"class":5936},"    \u002F\u002F Доступ до контексту запиту\n",[5388,39494,39495,39497,39499,39501,39503,39505,39508,39510,39512],{"class":5390,"line":5409},[5388,39496,6549],{"class":6435},[5388,39498,6601],{"class":6384},[5388,39500,5555],{"class":5946},[5388,39502,33190],{"class":6384},[5388,39504,5555],{"class":5946},[5388,39506,39507],{"class":6384},"Schema",[5388,39509,6555],{"class":5946},[5388,39511,6558],{"class":6096},[5388,39513,6561],{"class":5946},[5388,39515,39516,39518,39520,39522,39524,39527,39529,39531,39533,39535,39537,39539,39541,39543,39545,39547],{"class":5390,"line":5416},[5388,39517,6566],{"class":6384},[5388,39519,5555],{"class":5946},[5388,39521,13877],{"class":6086},[5388,39523,6399],{"class":5946},[5388,39525,39526],{"class":6038},"\"[CREATE] Table: ",[5388,39528,14127],{"class":6384},[5388,39530,6582],{"class":6038},[5388,39532,5603],{"class":5946},[5388,39534,6629],{"class":6384},[5388,39536,5555],{"class":5946},[5388,39538,33190],{"class":6384},[5388,39540,5555],{"class":5946},[5388,39542,39507],{"class":6384},[5388,39544,5555],{"class":5946},[5388,39546,18778],{"class":6384},[5388,39548,6405],{"class":5946},[5388,39550,39551],{"class":5390,"line":5422},[5388,39552,6593],{"class":5946},[5388,39554,39555],{"class":5390,"line":5428},[5388,39556,5711],{"class":5946},[5388,39558,39559],{"class":5390,"line":5434},[5388,39560,5413],{"emptyLinePlaceholder":5412},[5388,39562,39563],{"class":5390,"line":5439},[5388,39564,39565],{"class":5936},"\u002F\u002F Реєстрація callback\n",[5388,39567,39568,39570,39572,39575,39577,39579,39581,39584,39586,39589,39591,39594,39596,39599,39601,39604],{"class":5390,"line":5445},[5388,39569,6629],{"class":6384},[5388,39571,5555],{"class":5946},[5388,39573,39574],{"class":6086},"Callback",[5388,39576,14363],{"class":5946},[5388,39578,7594],{"class":6086},[5388,39580,14363],{"class":5946},[5388,39582,39583],{"class":6086},"After",[5388,39585,6399],{"class":5946},[5388,39587,39588],{"class":6038},"\"gorm:create\"",[5388,39590,5827],{"class":5946},[5388,39592,39593],{"class":6086},"Register",[5388,39595,6399],{"class":5946},[5388,39597,39598],{"class":6038},"\"log:after_create\"",[5388,39600,5603],{"class":5946},[5388,39602,39603],{"class":6384},"LogCreateCallback",[5388,39605,6405],{"class":5946},[5388,39607,39608],{"class":5390,"line":5451},[5388,39609,39610],{"class":5936},"\u002F\u002F Виконається після стандартного callback \"gorm:create\"\n",[5388,39612,39613],{"class":5390,"line":5456},[5388,39614,5413],{"emptyLinePlaceholder":5412},[5388,39616,39617],{"class":5390,"line":5462},[5388,39618,39619],{"class":5936},"\u002F\u002F Callback для автоматичного заповнення created_by\n",[5388,39621,39622,39624,39627,39629,39631,39633,39635,39637,39639],{"class":5390,"line":5468},[5388,39623,6483],{"class":6096},[5388,39625,39626],{"class":6086}," SetCreatedBy",[5388,39628,6399],{"class":5946},[5388,39630,6629],{"class":6384},[5388,39632,7036],{"class":5946},[5388,39634,13228],{"class":6425},[5388,39636,5555],{"class":5946},[5388,39638,7043],{"class":6425},[5388,39640,8047],{"class":5946},[5388,39642,39643,39645,39647,39649,39651,39653,39655,39657,39659],{"class":5390,"line":5474},[5388,39644,6549],{"class":6435},[5388,39646,6601],{"class":6384},[5388,39648,5555],{"class":5946},[5388,39650,33190],{"class":6384},[5388,39652,5555],{"class":5946},[5388,39654,39507],{"class":6384},[5388,39656,6555],{"class":5946},[5388,39658,6558],{"class":6096},[5388,39660,6561],{"class":5946},[5388,39662,39663],{"class":5390,"line":5480},[5388,39664,39665],{"class":5936},"        \u002F\u002F Отримати user_id з контексту\n",[5388,39667,39668,39670,39673,39675,39678,39680,39682,39684,39686,39688,39690,39692,39694,39696,39698,39701,39703,39705,39707],{"class":5390,"line":5486},[5388,39669,8537],{"class":6435},[5388,39671,39672],{"class":6384}," userID",[5388,39674,5603],{"class":5946},[5388,39676,39677],{"class":6384},"ok",[5388,39679,6388],{"class":5946},[5388,39681,6629],{"class":6384},[5388,39683,5555],{"class":5946},[5388,39685,33190],{"class":6384},[5388,39687,5555],{"class":5946},[5388,39689,7607],{"class":6384},[5388,39691,5555],{"class":5946},[5388,39693,17733],{"class":6086},[5388,39695,6399],{"class":5946},[5388,39697,31749],{"class":6038},[5388,39699,39700],{"class":5946},").(",[5388,39702,16794],{"class":6425},[5388,39704,8584],{"class":5946},[5388,39706,39677],{"class":6384},[5388,39708,6561],{"class":5946},[5388,39710,39711],{"class":5390,"line":5491},[5388,39712,39713],{"class":5936},"            \u002F\u002F Якщо модель має поле CreatedBy\n",[5388,39715,39716,39719,39722,39724,39726,39728,39730,39732,39734,39736,39739,39741,39744,39746,39748,39750,39752],{"class":5390,"line":5497},[5388,39717,39718],{"class":6435},"            if",[5388,39720,39721],{"class":6384}," field",[5388,39723,6388],{"class":5946},[5388,39725,6629],{"class":6384},[5388,39727,5555],{"class":5946},[5388,39729,33190],{"class":6384},[5388,39731,5555],{"class":5946},[5388,39733,39507],{"class":6384},[5388,39735,5555],{"class":5946},[5388,39737,39738],{"class":6086},"LookUpField",[5388,39740,6399],{"class":5946},[5388,39742,39743],{"class":6038},"\"CreatedBy\"",[5388,39745,8584],{"class":5946},[5388,39747,17710],{"class":6384},[5388,39749,6555],{"class":5946},[5388,39751,6558],{"class":6096},[5388,39753,6561],{"class":5946},[5388,39755,39756,39759,39761,39764,39766,39768,39770,39772,39774,39776,39778,39780,39782,39784,39786,39789,39791,39793],{"class":5390,"line":5502},[5388,39757,39758],{"class":6384},"                field",[5388,39760,5555],{"class":5946},[5388,39762,39763],{"class":6086},"Set",[5388,39765,6399],{"class":5946},[5388,39767,6629],{"class":6384},[5388,39769,5555],{"class":5946},[5388,39771,33190],{"class":6384},[5388,39773,5555],{"class":5946},[5388,39775,7607],{"class":6384},[5388,39777,5603],{"class":5946},[5388,39779,6629],{"class":6384},[5388,39781,5555],{"class":5946},[5388,39783,33190],{"class":6384},[5388,39785,5555],{"class":5946},[5388,39787,39788],{"class":6384},"ReflectValue",[5388,39790,5603],{"class":5946},[5388,39792,33078],{"class":6384},[5388,39794,6405],{"class":5946},[5388,39796,39797],{"class":5390,"line":5508},[5388,39798,39799],{"class":5946},"            }\n",[5388,39801,39802],{"class":5390,"line":5513},[5388,39803,8627],{"class":5946},[5388,39805,39806],{"class":5390,"line":5518},[5388,39807,6593],{"class":5946},[5388,39809,39810],{"class":5390,"line":5524},[5388,39811,5711],{"class":5946},[5388,39813,39814],{"class":5390,"line":5530},[5388,39815,5413],{"emptyLinePlaceholder":5412},[5388,39817,39818],{"class":5390,"line":5535},[5388,39819,39820],{"class":5936},"\u002F\u002F Реєстрація перед створенням\n",[5388,39822,39823,39825,39827,39829,39831,39833,39835,39838,39840,39842,39844,39846,39848,39851,39853,39856],{"class":5390,"line":5803},[5388,39824,6629],{"class":6384},[5388,39826,5555],{"class":5946},[5388,39828,39574],{"class":6086},[5388,39830,14363],{"class":5946},[5388,39832,7594],{"class":6086},[5388,39834,14363],{"class":5946},[5388,39836,39837],{"class":6086},"Before",[5388,39839,6399],{"class":5946},[5388,39841,39588],{"class":6038},[5388,39843,5827],{"class":5946},[5388,39845,39593],{"class":6086},[5388,39847,6399],{"class":5946},[5388,39849,39850],{"class":6038},"\"custom:set_created_by\"",[5388,39852,5603],{"class":5946},[5388,39854,39855],{"class":6384},"SetCreatedBy",[5388,39857,6405],{"class":5946},[5615,39859,39861],{"id":39860},"видалення-callback","Видалення callback",[5379,39863,39865],{"className":6376,"code":39864,"language":6232,"meta":5384,"style":5384},"\u002F\u002F Видалити стандартний callback\ndb.Callback().Create().Remove(\"gorm:create\")\n\n\u002F\u002F Видалити власний callback\ndb.Callback().Create().Remove(\"custom:set_created_by\")\n",[5204,39866,39867,39872,39895,39899,39904],{"__ignoreMap":5384},[5388,39868,39869],{"class":5390,"line":5391},[5388,39870,39871],{"class":5936},"\u002F\u002F Видалити стандартний callback\n",[5388,39873,39874,39876,39878,39880,39882,39884,39886,39889,39891,39893],{"class":5390,"line":5397},[5388,39875,6629],{"class":6384},[5388,39877,5555],{"class":5946},[5388,39879,39574],{"class":6086},[5388,39881,14363],{"class":5946},[5388,39883,7594],{"class":6086},[5388,39885,14363],{"class":5946},[5388,39887,39888],{"class":6086},"Remove",[5388,39890,6399],{"class":5946},[5388,39892,39588],{"class":6038},[5388,39894,6405],{"class":5946},[5388,39896,39897],{"class":5390,"line":5403},[5388,39898,5413],{"emptyLinePlaceholder":5412},[5388,39900,39901],{"class":5390,"line":5409},[5388,39902,39903],{"class":5936},"\u002F\u002F Видалити власний callback\n",[5388,39905,39906,39908,39910,39912,39914,39916,39918,39920,39922,39924],{"class":5390,"line":5416},[5388,39907,6629],{"class":6384},[5388,39909,5555],{"class":5946},[5388,39911,39574],{"class":6086},[5388,39913,14363],{"class":5946},[5388,39915,7594],{"class":6086},[5388,39917,14363],{"class":5946},[5388,39919,39888],{"class":6086},[5388,39921,6399],{"class":5946},[5388,39923,39850],{"class":6038},[5388,39925,6405],{"class":5946},[5615,39927,39929],{"id":39928},"заміна-callback","Заміна callback",[5379,39931,39933],{"className":6376,"code":39932,"language":6232,"meta":5384,"style":5384},"\u002F\u002F Замінити стандартний callback власною логікою\ndb.Callback().Create().Replace(\"gorm:create\", func(db *gorm.DB) {\n    \u002F\u002F Власна логіка створення\n    log.Println(\"Custom create logic\")\n    \n    \u002F\u002F Викликати оригінальний, якщо потрібно\n    \u002F\u002F або реалізувати повністю свій\n})\n",[5204,39934,39935,39940,39978,39983,39998,40002,40007,40012],{"__ignoreMap":5384},[5388,39936,39937],{"class":5390,"line":5391},[5388,39938,39939],{"class":5936},"\u002F\u002F Замінити стандартний callback власною логікою\n",[5388,39941,39942,39944,39946,39948,39950,39952,39954,39956,39958,39960,39962,39964,39966,39968,39970,39972,39974,39976],{"class":5390,"line":5397},[5388,39943,6629],{"class":6384},[5388,39945,5555],{"class":5946},[5388,39947,39574],{"class":6086},[5388,39949,14363],{"class":5946},[5388,39951,7594],{"class":6086},[5388,39953,14363],{"class":5946},[5388,39955,20765],{"class":6086},[5388,39957,6399],{"class":5946},[5388,39959,39588],{"class":6038},[5388,39961,5603],{"class":5946},[5388,39963,6483],{"class":6096},[5388,39965,6399],{"class":5946},[5388,39967,6629],{"class":6384},[5388,39969,7036],{"class":5946},[5388,39971,13228],{"class":6425},[5388,39973,5555],{"class":5946},[5388,39975,7043],{"class":6425},[5388,39977,8047],{"class":5946},[5388,39979,39980],{"class":5390,"line":5403},[5388,39981,39982],{"class":5936},"    \u002F\u002F Власна логіка створення\n",[5388,39984,39985,39987,39989,39991,39993,39996],{"class":5390,"line":5409},[5388,39986,9869],{"class":6384},[5388,39988,5555],{"class":5946},[5388,39990,6686],{"class":6086},[5388,39992,6399],{"class":5946},[5388,39994,39995],{"class":6038},"\"Custom create logic\"",[5388,39997,6405],{"class":5946},[5388,39999,40000],{"class":5390,"line":5416},[5388,40001,6459],{"class":5946},[5388,40003,40004],{"class":5390,"line":5422},[5388,40005,40006],{"class":5936},"    \u002F\u002F Викликати оригінальний, якщо потрібно\n",[5388,40008,40009],{"class":5390,"line":5428},[5388,40010,40011],{"class":5936},"    \u002F\u002F або реалізувати повністю свій\n",[5388,40013,40014],{"class":5390,"line":5434},[5388,40015,14574],{"class":5946},[5615,40017,40019],{"id":40018},"порядок-виконання-callbacks","Порядок виконання callbacks",[5379,40021,40023],{"className":6376,"code":40022,"language":6232,"meta":5384,"style":5384},"\u002F\u002F Before — виконати перед\ndb.Callback().Create().Before(\"gorm:create\").Register(\"custom:before\", myCallback)\n\n\u002F\u002F After — виконати після\ndb.Callback().Create().After(\"gorm:create\").Register(\"custom:after\", myCallback)\n\n\u002F\u002F Match — замінити існуючий\ndb.Callback().Create().Match(\"gorm:create\").Register(\"custom:override\", myCallback)\n",[5204,40024,40025,40030,40066,40070,40075,40110,40114,40119],{"__ignoreMap":5384},[5388,40026,40027],{"class":5390,"line":5391},[5388,40028,40029],{"class":5936},"\u002F\u002F Before — виконати перед\n",[5388,40031,40032,40034,40036,40038,40040,40042,40044,40046,40048,40050,40052,40054,40056,40059,40061,40064],{"class":5390,"line":5397},[5388,40033,6629],{"class":6384},[5388,40035,5555],{"class":5946},[5388,40037,39574],{"class":6086},[5388,40039,14363],{"class":5946},[5388,40041,7594],{"class":6086},[5388,40043,14363],{"class":5946},[5388,40045,39837],{"class":6086},[5388,40047,6399],{"class":5946},[5388,40049,39588],{"class":6038},[5388,40051,5827],{"class":5946},[5388,40053,39593],{"class":6086},[5388,40055,6399],{"class":5946},[5388,40057,40058],{"class":6038},"\"custom:before\"",[5388,40060,5603],{"class":5946},[5388,40062,40063],{"class":6384},"myCallback",[5388,40065,6405],{"class":5946},[5388,40067,40068],{"class":5390,"line":5403},[5388,40069,5413],{"emptyLinePlaceholder":5412},[5388,40071,40072],{"class":5390,"line":5409},[5388,40073,40074],{"class":5936},"\u002F\u002F After — виконати після\n",[5388,40076,40077,40079,40081,40083,40085,40087,40089,40091,40093,40095,40097,40099,40101,40104,40106,40108],{"class":5390,"line":5416},[5388,40078,6629],{"class":6384},[5388,40080,5555],{"class":5946},[5388,40082,39574],{"class":6086},[5388,40084,14363],{"class":5946},[5388,40086,7594],{"class":6086},[5388,40088,14363],{"class":5946},[5388,40090,39583],{"class":6086},[5388,40092,6399],{"class":5946},[5388,40094,39588],{"class":6038},[5388,40096,5827],{"class":5946},[5388,40098,39593],{"class":6086},[5388,40100,6399],{"class":5946},[5388,40102,40103],{"class":6038},"\"custom:after\"",[5388,40105,5603],{"class":5946},[5388,40107,40063],{"class":6384},[5388,40109,6405],{"class":5946},[5388,40111,40112],{"class":5390,"line":5422},[5388,40113,5413],{"emptyLinePlaceholder":5412},[5388,40115,40116],{"class":5390,"line":5428},[5388,40117,40118],{"class":5936},"\u002F\u002F Match — замінити існуючий\n",[5388,40120,40121,40123,40125,40127,40129,40131,40133,40136,40138,40140,40142,40144,40146,40149,40151,40153],{"class":5390,"line":5434},[5388,40122,6629],{"class":6384},[5388,40124,5555],{"class":5946},[5388,40126,39574],{"class":6086},[5388,40128,14363],{"class":5946},[5388,40130,7594],{"class":6086},[5388,40132,14363],{"class":5946},[5388,40134,40135],{"class":6086},"Match",[5388,40137,6399],{"class":5946},[5388,40139,39588],{"class":6038},[5388,40141,5827],{"class":5946},[5388,40143,39593],{"class":6086},[5388,40145,6399],{"class":5946},[5388,40147,40148],{"class":6038},"\"custom:override\"",[5388,40150,5603],{"class":5946},[5388,40152,40063],{"class":6384},[5388,40154,6405],{"class":5946},[5615,40156,40158],{"id":40157},"реальний-приклад-автоматичний-uuid","Реальний приклад: автоматичний UUID",[5379,40160,40162],{"className":6376,"code":40161,"language":6232,"meta":5384,"style":5384},"\u002F\u002F Callback для автоматичної генерації UUID\nfunc GenerateUUID(db *gorm.DB) {\n    if db.Statement.Schema != nil {\n        for _, field := range db.Statement.Schema.Fields {\n            \u002F\u002F Шукаємо поле типу string з тегом \"autoUUID\"\n            if field.DataType == \"string\" && field.Tag.Get(\"autoUUID\") == \"true\" {\n                \u002F\u002F Генеруємо UUID, якщо поле порожнє\n                fieldValue := field.ReflectValueOf(db.Statement.Context, db.Statement.ReflectValue)\n                if fieldValue.String() == \"\" {\n                    newUUID := uuid.New().String()\n                    field.Set(db.Statement.Context, db.Statement.ReflectValue, newUUID)\n                }\n            }\n        }\n    }\n}\n\n\u002F\u002F Реєстрація\ndb.Callback().Create().Before(\"gorm:create\").Register(\"custom:generate_uuid\", GenerateUUID)\n\n\u002F\u002F Модель з автоматичним UUID\ntype User struct {\n    UUID  string `gorm:\"primaryKey;autoUUID:true\"`\n    Name  string\n}\n",[5204,40163,40164,40169,40190,40210,40242,40247,40289,40294,40334,40353,40373,40413,40418,40422,40426,40430,40434,40438,40443,40479,40483,40488,40498,40507,40513],{"__ignoreMap":5384},[5388,40165,40166],{"class":5390,"line":5391},[5388,40167,40168],{"class":5936},"\u002F\u002F Callback для автоматичної генерації UUID\n",[5388,40170,40171,40173,40176,40178,40180,40182,40184,40186,40188],{"class":5390,"line":5397},[5388,40172,6483],{"class":6096},[5388,40174,40175],{"class":6086}," GenerateUUID",[5388,40177,6399],{"class":5946},[5388,40179,6629],{"class":6384},[5388,40181,7036],{"class":5946},[5388,40183,13228],{"class":6425},[5388,40185,5555],{"class":5946},[5388,40187,7043],{"class":6425},[5388,40189,8047],{"class":5946},[5388,40191,40192,40194,40196,40198,40200,40202,40204,40206,40208],{"class":5390,"line":5403},[5388,40193,6549],{"class":6435},[5388,40195,6601],{"class":6384},[5388,40197,5555],{"class":5946},[5388,40199,33190],{"class":6384},[5388,40201,5555],{"class":5946},[5388,40203,39507],{"class":6384},[5388,40205,6555],{"class":5946},[5388,40207,6558],{"class":6096},[5388,40209,6561],{"class":5946},[5388,40211,40212,40215,40217,40219,40221,40223,40225,40227,40229,40231,40233,40235,40237,40240],{"class":5390,"line":5409},[5388,40213,40214],{"class":6435},"        for",[5388,40216,14256],{"class":6384},[5388,40218,5603],{"class":5946},[5388,40220,17710],{"class":6384},[5388,40222,6388],{"class":5946},[5388,40224,14266],{"class":6435},[5388,40226,6601],{"class":6384},[5388,40228,5555],{"class":5946},[5388,40230,33190],{"class":6384},[5388,40232,5555],{"class":5946},[5388,40234,39507],{"class":6384},[5388,40236,5555],{"class":5946},[5388,40238,40239],{"class":6384},"Fields",[5388,40241,6561],{"class":5946},[5388,40243,40244],{"class":5390,"line":5416},[5388,40245,40246],{"class":5936},"            \u002F\u002F Шукаємо поле типу string з тегом \"autoUUID\"\n",[5388,40248,40249,40251,40253,40255,40258,40260,40263,40265,40267,40269,40272,40274,40276,40278,40281,40284,40287],{"class":5390,"line":5422},[5388,40250,39718],{"class":6435},[5388,40252,39721],{"class":6384},[5388,40254,5555],{"class":5946},[5388,40256,40257],{"class":6384},"DataType",[5388,40259,8193],{"class":5946},[5388,40261,40262],{"class":6038},"\"string\"",[5388,40264,12834],{"class":5946},[5388,40266,17710],{"class":6384},[5388,40268,5555],{"class":5946},[5388,40270,40271],{"class":6384},"Tag",[5388,40273,5555],{"class":5946},[5388,40275,10340],{"class":6086},[5388,40277,6399],{"class":5946},[5388,40279,40280],{"class":6038},"\"autoUUID\"",[5388,40282,40283],{"class":5946},") == ",[5388,40285,40286],{"class":6038},"\"true\"",[5388,40288,6561],{"class":5946},[5388,40290,40291],{"class":5390,"line":5428},[5388,40292,40293],{"class":5936},"                \u002F\u002F Генеруємо UUID, якщо поле порожнє\n",[5388,40295,40296,40299,40301,40303,40305,40308,40310,40312,40314,40316,40318,40320,40322,40324,40326,40328,40330,40332],{"class":5390,"line":5434},[5388,40297,40298],{"class":6384},"                fieldValue",[5388,40300,6388],{"class":5946},[5388,40302,17710],{"class":6384},[5388,40304,5555],{"class":5946},[5388,40306,40307],{"class":6086},"ReflectValueOf",[5388,40309,6399],{"class":5946},[5388,40311,6629],{"class":6384},[5388,40313,5555],{"class":5946},[5388,40315,33190],{"class":6384},[5388,40317,5555],{"class":5946},[5388,40319,7607],{"class":6384},[5388,40321,5603],{"class":5946},[5388,40323,6629],{"class":6384},[5388,40325,5555],{"class":5946},[5388,40327,33190],{"class":6384},[5388,40329,5555],{"class":5946},[5388,40331,39788],{"class":6384},[5388,40333,6405],{"class":5946},[5388,40335,40336,40339,40342,40344,40346,40349,40351],{"class":5390,"line":5439},[5388,40337,40338],{"class":6435},"                if",[5388,40340,40341],{"class":6384}," fieldValue",[5388,40343,5555],{"class":5946},[5388,40345,31441],{"class":6086},[5388,40347,40348],{"class":5946},"() == ",[5388,40350,15680],{"class":6038},[5388,40352,6561],{"class":5946},[5388,40354,40355,40358,40360,40363,40365,40367,40369,40371],{"class":5390,"line":5445},[5388,40356,40357],{"class":6384},"                    newUUID",[5388,40359,6388],{"class":5946},[5388,40361,40362],{"class":6384},"uuid",[5388,40364,5555],{"class":5946},[5388,40366,12704],{"class":6086},[5388,40368,14363],{"class":5946},[5388,40370,31441],{"class":6086},[5388,40372,6609],{"class":5946},[5388,40374,40375,40378,40380,40382,40384,40386,40388,40390,40392,40394,40396,40398,40400,40402,40404,40406,40408,40411],{"class":5390,"line":5451},[5388,40376,40377],{"class":6384},"                    field",[5388,40379,5555],{"class":5946},[5388,40381,39763],{"class":6086},[5388,40383,6399],{"class":5946},[5388,40385,6629],{"class":6384},[5388,40387,5555],{"class":5946},[5388,40389,33190],{"class":6384},[5388,40391,5555],{"class":5946},[5388,40393,7607],{"class":6384},[5388,40395,5603],{"class":5946},[5388,40397,6629],{"class":6384},[5388,40399,5555],{"class":5946},[5388,40401,33190],{"class":6384},[5388,40403,5555],{"class":5946},[5388,40405,39788],{"class":6384},[5388,40407,5603],{"class":5946},[5388,40409,40410],{"class":6384},"newUUID",[5388,40412,6405],{"class":5946},[5388,40414,40415],{"class":5390,"line":5456},[5388,40416,40417],{"class":5946},"                }\n",[5388,40419,40420],{"class":5390,"line":5462},[5388,40421,39799],{"class":5946},[5388,40423,40424],{"class":5390,"line":5468},[5388,40425,8627],{"class":5946},[5388,40427,40428],{"class":5390,"line":5474},[5388,40429,6593],{"class":5946},[5388,40431,40432],{"class":5390,"line":5480},[5388,40433,5711],{"class":5946},[5388,40435,40436],{"class":5390,"line":5486},[5388,40437,5413],{"emptyLinePlaceholder":5412},[5388,40439,40440],{"class":5390,"line":5491},[5388,40441,40442],{"class":5936},"\u002F\u002F Реєстрація\n",[5388,40444,40445,40447,40449,40451,40453,40455,40457,40459,40461,40463,40465,40467,40469,40472,40474,40477],{"class":5390,"line":5497},[5388,40446,6629],{"class":6384},[5388,40448,5555],{"class":5946},[5388,40450,39574],{"class":6086},[5388,40452,14363],{"class":5946},[5388,40454,7594],{"class":6086},[5388,40456,14363],{"class":5946},[5388,40458,39837],{"class":6086},[5388,40460,6399],{"class":5946},[5388,40462,39588],{"class":6038},[5388,40464,5827],{"class":5946},[5388,40466,39593],{"class":6086},[5388,40468,6399],{"class":5946},[5388,40470,40471],{"class":6038},"\"custom:generate_uuid\"",[5388,40473,5603],{"class":5946},[5388,40475,40476],{"class":6384},"GenerateUUID",[5388,40478,6405],{"class":5946},[5388,40480,40481],{"class":5390,"line":5502},[5388,40482,5413],{"emptyLinePlaceholder":5412},[5388,40484,40485],{"class":5390,"line":5508},[5388,40486,40487],{"class":5936},"\u002F\u002F Модель з автоматичним UUID\n",[5388,40489,40490,40492,40494,40496],{"class":5390,"line":5513},[5388,40491,7440],{"class":6096},[5388,40493,7443],{"class":6425},[5388,40495,7446],{"class":6096},[5388,40497,6561],{"class":5946},[5388,40499,40500,40502,40504],{"class":5390,"line":5518},[5388,40501,16719],{"class":6384},[5388,40503,16932],{"class":6425},[5388,40505,40506],{"class":6038}," `gorm:\"primaryKey;autoUUID:true\"`\n",[5388,40508,40509,40511],{"class":5390,"line":5524},[5388,40510,15123],{"class":6384},[5388,40512,14968],{"class":6425},[5388,40514,40515],{"class":5390,"line":5530},[5388,40516,5711],{"class":5946},[5615,40518,40520],{"id":40519},"умовні-callbacks","Умовні callbacks",[5379,40522,40524],{"className":6376,"code":40523,"language":6232,"meta":5384,"style":5384},"func ConditionalCallback(db *gorm.DB) {\n    \u002F\u002F Виконувати лише для певних таблиць\n    if db.Statement.Schema != nil && db.Statement.Schema.Table == \"users\" {\n        \u002F\u002F Логіка лише для таблиці users\n        log.Println(\"Processing users table\")\n    }\n    \n    \u002F\u002F Виконувати лише якщо у контексті є певне значення\n    if skipAudit, ok := db.Statement.Context.Value(\"skip_audit\").(bool); ok && skipAudit {\n        return \u002F\u002F Пропустити callback\n    }\n    \n    \u002F\u002F Основна логіка\n}\n",[5204,40525,40526,40547,40552,40592,40597,40612,40616,40620,40625,40673,40680,40684,40688,40693],{"__ignoreMap":5384},[5388,40527,40528,40530,40533,40535,40537,40539,40541,40543,40545],{"class":5390,"line":5391},[5388,40529,6483],{"class":6096},[5388,40531,40532],{"class":6086}," ConditionalCallback",[5388,40534,6399],{"class":5946},[5388,40536,6629],{"class":6384},[5388,40538,7036],{"class":5946},[5388,40540,13228],{"class":6425},[5388,40542,5555],{"class":5946},[5388,40544,7043],{"class":6425},[5388,40546,8047],{"class":5946},[5388,40548,40549],{"class":5390,"line":5397},[5388,40550,40551],{"class":5936},"    \u002F\u002F Виконувати лише для певних таблиць\n",[5388,40553,40554,40556,40558,40560,40562,40564,40566,40568,40570,40572,40574,40576,40578,40580,40582,40584,40586,40588,40590],{"class":5390,"line":5403},[5388,40555,6549],{"class":6435},[5388,40557,6601],{"class":6384},[5388,40559,5555],{"class":5946},[5388,40561,33190],{"class":6384},[5388,40563,5555],{"class":5946},[5388,40565,39507],{"class":6384},[5388,40567,6555],{"class":5946},[5388,40569,6558],{"class":6096},[5388,40571,12834],{"class":5946},[5388,40573,6629],{"class":6384},[5388,40575,5555],{"class":5946},[5388,40577,33190],{"class":6384},[5388,40579,5555],{"class":5946},[5388,40581,39507],{"class":6384},[5388,40583,5555],{"class":5946},[5388,40585,18778],{"class":6384},[5388,40587,8193],{"class":5946},[5388,40589,32660],{"class":6038},[5388,40591,6561],{"class":5946},[5388,40593,40594],{"class":5390,"line":5409},[5388,40595,40596],{"class":5936},"        \u002F\u002F Логіка лише для таблиці users\n",[5388,40598,40599,40601,40603,40605,40607,40610],{"class":5390,"line":5416},[5388,40600,6566],{"class":6384},[5388,40602,5555],{"class":5946},[5388,40604,6686],{"class":6086},[5388,40606,6399],{"class":5946},[5388,40608,40609],{"class":6038},"\"Processing users table\"",[5388,40611,6405],{"class":5946},[5388,40613,40614],{"class":5390,"line":5422},[5388,40615,6593],{"class":5946},[5388,40617,40618],{"class":5390,"line":5428},[5388,40619,6459],{"class":5946},[5388,40621,40622],{"class":5390,"line":5434},[5388,40623,40624],{"class":5936},"    \u002F\u002F Виконувати лише якщо у контексті є певне значення\n",[5388,40626,40627,40629,40632,40634,40636,40638,40640,40642,40644,40646,40648,40650,40652,40654,40657,40659,40662,40664,40666,40668,40671],{"class":5390,"line":5439},[5388,40628,6549],{"class":6435},[5388,40630,40631],{"class":6384}," skipAudit",[5388,40633,5603],{"class":5946},[5388,40635,39677],{"class":6384},[5388,40637,6388],{"class":5946},[5388,40639,6629],{"class":6384},[5388,40641,5555],{"class":5946},[5388,40643,33190],{"class":6384},[5388,40645,5555],{"class":5946},[5388,40647,7607],{"class":6384},[5388,40649,5555],{"class":5946},[5388,40651,17733],{"class":6086},[5388,40653,6399],{"class":5946},[5388,40655,40656],{"class":6038},"\"skip_audit\"",[5388,40658,39700],{"class":5946},[5388,40660,40661],{"class":6425},"bool",[5388,40663,8584],{"class":5946},[5388,40665,39677],{"class":6384},[5388,40667,12834],{"class":5946},[5388,40669,40670],{"class":6384},"skipAudit",[5388,40672,6561],{"class":5946},[5388,40674,40675,40677],{"class":5390,"line":5445},[5388,40676,7146],{"class":6435},[5388,40678,40679],{"class":5936}," \u002F\u002F Пропустити callback\n",[5388,40681,40682],{"class":5390,"line":5451},[5388,40683,6593],{"class":5946},[5388,40685,40686],{"class":5390,"line":5456},[5388,40687,6459],{"class":5946},[5388,40689,40690],{"class":5390,"line":5462},[5388,40691,40692],{"class":5936},"    \u002F\u002F Основна логіка\n",[5388,40694,40695],{"class":5390,"line":5468},[5388,40696,5711],{"class":5946},[9509,40698,40699],{},[9512,40700,40702,40707,40724,40728,40742,40747],{"icon":9514,"label":40701},"❓ У чому різниця між хуками (hooks) та callbacks?",[5266,40703,40704],{},[5229,40705,40706],{},"Хуки (Hooks):",[5194,40708,40709,40715,40718,40721],{},[5197,40710,40711,40712,12033],{},"Методи конкретної моделі (",[5204,40713,40714],{},"func (u *User) BeforeCreate(tx *gorm.DB) error",[5197,40716,40717],{},"Працюють лише для однієї моделі",[5197,40719,40720],{},"Прості у використанні",[5197,40722,40723],{},"Викликаються автоматично",[5266,40725,40726],{},[5229,40727,20790],{},[5194,40729,40730,40733,40736,40739],{},[5197,40731,40732],{},"Глобальні обробники для всіх моделей",[5197,40734,40735],{},"Реєструються програмно",[5197,40737,40738],{},"Можуть модифікувати поведінку GORM",[5197,40740,40741],{},"Використовуються для крос-функціональної логіки (логування, аудит, кешування)",[5266,40743,40744],{},[5229,40745,40746],{},"Коли що використовувати:",[5194,40748,40749,40752],{},[5197,40750,40751],{},"Хуки — для логіки, специфічної для моделі (валідація, хешування пароля)",[5197,40753,40754],{},"Callbacks — для загальної логіки, що застосовується до багатьох моделей (аудит, метрики, трейсинг)",[5258,40756],{},[5261,40758,40760],{"id":40759},"plugins-розширення-функціональності","Plugins — розширення функціональності",[5266,40762,40763],{},"GORM підтримує систему плагінів для додавання нової функціональності.",[5615,40765,40767],{"id":40766},"інтерфейс-plugin","Інтерфейс Plugin",[5379,40769,40771],{"className":6376,"code":40770,"language":6232,"meta":5384,"style":5384},"type Plugin interface {\n    Name() string\n    Initialize(*gorm.DB) error\n}\n",[5204,40772,40773,40784,40792,40810],{"__ignoreMap":5384},[5388,40774,40775,40777,40780,40782],{"class":5390,"line":5391},[5388,40776,7440],{"class":6096},[5388,40778,40779],{"class":6425}," Plugin",[5388,40781,17741],{"class":6096},[5388,40783,6561],{"class":5946},[5388,40785,40786,40788,40790],{"class":5390,"line":5397},[5388,40787,15123],{"class":6086},[5388,40789,7314],{"class":5946},[5388,40791,23753],{"class":6425},[5388,40793,40794,40797,40800,40802,40804,40806,40808],{"class":5390,"line":5403},[5388,40795,40796],{"class":6086},"    Initialize",[5388,40798,40799],{"class":5946},"(*",[5388,40801,13228],{"class":6425},[5388,40803,5555],{"class":5946},[5388,40805,7043],{"class":6425},[5388,40807,7046],{"class":5946},[5388,40809,19332],{"class":6425},[5388,40811,40812],{"class":5390,"line":5409},[5388,40813,5711],{"class":5946},[5615,40815,40817],{"id":40816},"створення-власного-плагіна","Створення власного плагіна",[5379,40819,40821],{"className":6376,"code":40820,"language":6232,"meta":5384,"style":5384},"package plugins\n\nimport (\n    \"log\"\n    \"time\"\n    \"gorm.io\u002Fgorm\"\n)\n\n\u002F\u002F Плагін для метрик продуктивності\ntype MetricsPlugin struct{}\n\nfunc (p *MetricsPlugin) Name() string {\n    return \"metrics_plugin\"\n}\n\nfunc (p *MetricsPlugin) Initialize(db *gorm.DB) error {\n    \u002F\u002F Реєстрація callbacks\n    \n    \u002F\u002F Before Query\n    db.Callback().Query().Before(\"gorm:query\").Register(\"metrics:before_query\", func(db *gorm.DB) {\n        db.InstanceSet(\"metrics:start_time\", time.Now())\n    })\n    \n    \u002F\u002F After Query\n    db.Callback().Query().After(\"gorm:query\").Register(\"metrics:after_query\", func(db *gorm.DB) {\n        if startTime, ok := db.InstanceGet(\"metrics:start_time\"); ok {\n            elapsed := time.Since(startTime.(time.Time))\n            \n            \u002F\u002F Відправити метрики\n            log.Printf(\"[METRICS] Query took: %v, Rows: %d\", \n                elapsed, \n                db.RowsAffected,\n            )\n            \n            \u002F\u002F Тут можна інтегрувати Prometheus, StatsD тощо\n        }\n    })\n    \n    return nil\n}\n\n\u002F\u002F Використання:\ndb.Use(&MetricsPlugin{})\n",[5204,40822,40823,40830,40834,40840,40844,40848,40852,40856,40860,40865,40876,40880,40904,40911,40915,40919,40954,40959,40963,40968,41016,41041,41045,41049,41054,41101,41131,41160,41165,41170,41196,41203,41214,41219,41223,41228,41232,41236,41240,41246,41250,41254,41258],{"__ignoreMap":5384},[5388,40824,40825,40827],{"class":5390,"line":5391},[5388,40826,6422],{"class":6096},[5388,40828,40829],{"class":6425}," plugins\n",[5388,40831,40832],{"class":5390,"line":5397},[5388,40833,5413],{"emptyLinePlaceholder":5412},[5388,40835,40836,40838],{"class":5390,"line":5403},[5388,40837,6436],{"class":6435},[5388,40839,6439],{"class":5946},[5388,40841,40842],{"class":5390,"line":5409},[5388,40843,6454],{"class":6038},[5388,40845,40846],{"class":5390,"line":5416},[5388,40847,13381],{"class":6038},[5388,40849,40850],{"class":5390,"line":5422},[5388,40851,13186],{"class":6038},[5388,40853,40854],{"class":5390,"line":5428},[5388,40855,6405],{"class":5946},[5388,40857,40858],{"class":5390,"line":5434},[5388,40859,5413],{"emptyLinePlaceholder":5412},[5388,40861,40862],{"class":5390,"line":5439},[5388,40863,40864],{"class":5936},"\u002F\u002F Плагін для метрик продуктивності\n",[5388,40866,40867,40869,40872,40874],{"class":5390,"line":5445},[5388,40868,7440],{"class":6096},[5388,40870,40871],{"class":6425}," MetricsPlugin",[5388,40873,7446],{"class":6096},[5388,40875,8091],{"class":5946},[5388,40877,40878],{"class":5390,"line":5451},[5388,40879,5413],{"emptyLinePlaceholder":5412},[5388,40881,40882,40884,40886,40889,40891,40894,40896,40898,40900,40902],{"class":5390,"line":5456},[5388,40883,6483],{"class":6096},[5388,40885,5306],{"class":5946},[5388,40887,40888],{"class":6384},"p ",[5388,40890,7587],{"class":5946},[5388,40892,40893],{"class":6425},"MetricsPlugin",[5388,40895,7046],{"class":5946},[5388,40897,18763],{"class":6086},[5388,40899,7314],{"class":5946},[5388,40901,13511],{"class":6425},[5388,40903,6561],{"class":5946},[5388,40905,40906,40908],{"class":5390,"line":5462},[5388,40907,7198],{"class":6435},[5388,40909,40910],{"class":6038}," \"metrics_plugin\"\n",[5388,40912,40913],{"class":5390,"line":5468},[5388,40914,5711],{"class":5946},[5388,40916,40917],{"class":5390,"line":5474},[5388,40918,5413],{"emptyLinePlaceholder":5412},[5388,40920,40921,40923,40925,40927,40929,40931,40933,40936,40938,40940,40942,40944,40946,40948,40950,40952],{"class":5390,"line":5480},[5388,40922,6483],{"class":6096},[5388,40924,5306],{"class":5946},[5388,40926,40888],{"class":6384},[5388,40928,7587],{"class":5946},[5388,40930,40893],{"class":6425},[5388,40932,7046],{"class":5946},[5388,40934,40935],{"class":6086},"Initialize",[5388,40937,6399],{"class":5946},[5388,40939,6629],{"class":6384},[5388,40941,7036],{"class":5946},[5388,40943,13228],{"class":6425},[5388,40945,5555],{"class":5946},[5388,40947,7043],{"class":6425},[5388,40949,7046],{"class":5946},[5388,40951,7049],{"class":6425},[5388,40953,6561],{"class":5946},[5388,40955,40956],{"class":5390,"line":5486},[5388,40957,40958],{"class":5936},"    \u002F\u002F Реєстрація callbacks\n",[5388,40960,40961],{"class":5390,"line":5491},[5388,40962,6459],{"class":5946},[5388,40964,40965],{"class":5390,"line":5497},[5388,40966,40967],{"class":5936},"    \u002F\u002F Before Query\n",[5388,40969,40970,40972,40974,40976,40978,40980,40982,40984,40986,40989,40991,40993,40995,40998,41000,41002,41004,41006,41008,41010,41012,41014],{"class":5390,"line":5502},[5388,40971,6518],{"class":6384},[5388,40973,5555],{"class":5946},[5388,40975,39574],{"class":6086},[5388,40977,14363],{"class":5946},[5388,40979,8828],{"class":6086},[5388,40981,14363],{"class":5946},[5388,40983,39837],{"class":6086},[5388,40985,6399],{"class":5946},[5388,40987,40988],{"class":6038},"\"gorm:query\"",[5388,40990,5827],{"class":5946},[5388,40992,39593],{"class":6086},[5388,40994,6399],{"class":5946},[5388,40996,40997],{"class":6038},"\"metrics:before_query\"",[5388,40999,5603],{"class":5946},[5388,41001,6483],{"class":6096},[5388,41003,6399],{"class":5946},[5388,41005,6629],{"class":6384},[5388,41007,7036],{"class":5946},[5388,41009,13228],{"class":6425},[5388,41011,5555],{"class":5946},[5388,41013,7043],{"class":6425},[5388,41015,8047],{"class":5946},[5388,41017,41018,41021,41023,41026,41028,41031,41033,41035,41037,41039],{"class":5390,"line":5508},[5388,41019,41020],{"class":6384},"        db",[5388,41022,5555],{"class":5946},[5388,41024,41025],{"class":6086},"InstanceSet",[5388,41027,6399],{"class":5946},[5388,41029,41030],{"class":6038},"\"metrics:start_time\"",[5388,41032,5603],{"class":5946},[5388,41034,6910],{"class":6384},[5388,41036,5555],{"class":5946},[5388,41038,14360],{"class":6086},[5388,41040,25319],{"class":5946},[5388,41042,41043],{"class":5390,"line":5513},[5388,41044,26796],{"class":5946},[5388,41046,41047],{"class":5390,"line":5518},[5388,41048,6459],{"class":5946},[5388,41050,41051],{"class":5390,"line":5524},[5388,41052,41053],{"class":5936},"    \u002F\u002F After Query\n",[5388,41055,41056,41058,41060,41062,41064,41066,41068,41070,41072,41074,41076,41078,41080,41083,41085,41087,41089,41091,41093,41095,41097,41099],{"class":5390,"line":5530},[5388,41057,6518],{"class":6384},[5388,41059,5555],{"class":5946},[5388,41061,39574],{"class":6086},[5388,41063,14363],{"class":5946},[5388,41065,8828],{"class":6086},[5388,41067,14363],{"class":5946},[5388,41069,39583],{"class":6086},[5388,41071,6399],{"class":5946},[5388,41073,40988],{"class":6038},[5388,41075,5827],{"class":5946},[5388,41077,39593],{"class":6086},[5388,41079,6399],{"class":5946},[5388,41081,41082],{"class":6038},"\"metrics:after_query\"",[5388,41084,5603],{"class":5946},[5388,41086,6483],{"class":6096},[5388,41088,6399],{"class":5946},[5388,41090,6629],{"class":6384},[5388,41092,7036],{"class":5946},[5388,41094,13228],{"class":6425},[5388,41096,5555],{"class":5946},[5388,41098,7043],{"class":6425},[5388,41100,8047],{"class":5946},[5388,41102,41103,41105,41108,41110,41112,41114,41116,41118,41121,41123,41125,41127,41129],{"class":5390,"line":5535},[5388,41104,8537],{"class":6435},[5388,41106,41107],{"class":6384}," startTime",[5388,41109,5603],{"class":5946},[5388,41111,39677],{"class":6384},[5388,41113,6388],{"class":5946},[5388,41115,6629],{"class":6384},[5388,41117,5555],{"class":5946},[5388,41119,41120],{"class":6086},"InstanceGet",[5388,41122,6399],{"class":5946},[5388,41124,41030],{"class":6038},[5388,41126,8584],{"class":5946},[5388,41128,39677],{"class":6384},[5388,41130,6561],{"class":5946},[5388,41132,41133,41136,41138,41140,41142,41144,41146,41149,41152,41154,41156,41158],{"class":5390,"line":5803},[5388,41134,41135],{"class":6384},"            elapsed",[5388,41137,6388],{"class":5946},[5388,41139,6910],{"class":6384},[5388,41141,5555],{"class":5946},[5388,41143,36520],{"class":6086},[5388,41145,6399],{"class":5946},[5388,41147,41148],{"class":6384},"startTime",[5388,41150,41151],{"class":5946},".(",[5388,41153,6910],{"class":6425},[5388,41155,5555],{"class":5946},[5388,41157,9961],{"class":6425},[5388,41159,25404],{"class":5946},[5388,41161,41162],{"class":5390,"line":5808},[5388,41163,41164],{"class":5946},"            \n",[5388,41166,41167],{"class":5390,"line":7649},[5388,41168,41169],{"class":5936},"            \u002F\u002F Відправити метрики\n",[5388,41171,41172,41175,41177,41179,41181,41184,41186,41189,41191,41193],{"class":5390,"line":7654},[5388,41173,41174],{"class":6384},"            log",[5388,41176,5555],{"class":5946},[5388,41178,13877],{"class":6086},[5388,41180,6399],{"class":5946},[5388,41182,41183],{"class":6038},"\"[METRICS] Query took: ",[5388,41185,6579],{"class":6384},[5388,41187,41188],{"class":6038},", Rows: ",[5388,41190,8226],{"class":6384},[5388,41192,6582],{"class":6038},[5388,41194,41195],{"class":5946},", \n",[5388,41197,41198,41201],{"class":5390,"line":7659},[5388,41199,41200],{"class":6384},"                elapsed",[5388,41202,41195],{"class":5946},[5388,41204,41205,41208,41210,41212],{"class":5390,"line":7665},[5388,41206,41207],{"class":6384},"                db",[5388,41209,5555],{"class":5946},[5388,41211,7335],{"class":6384},[5388,41213,7693],{"class":5946},[5388,41215,41216],{"class":5390,"line":7696},[5388,41217,41218],{"class":5946},"            )\n",[5388,41220,41221],{"class":5390,"line":7709},[5388,41222,41164],{"class":5946},[5388,41224,41225],{"class":5390,"line":7721},[5388,41226,41227],{"class":5936},"            \u002F\u002F Тут можна інтегрувати Prometheus, StatsD тощо\n",[5388,41229,41230],{"class":5390,"line":7733},[5388,41231,8627],{"class":5946},[5388,41233,41234],{"class":5390,"line":7754},[5388,41235,26796],{"class":5946},[5388,41237,41238],{"class":5390,"line":7759},[5388,41239,6459],{"class":5946},[5388,41241,41242,41244],{"class":5390,"line":7772},[5388,41243,7198],{"class":6435},[5388,41245,7201],{"class":6096},[5388,41247,41248],{"class":5390,"line":7798},[5388,41249,5711],{"class":5946},[5388,41251,41252],{"class":5390,"line":7803},[5388,41253,5413],{"emptyLinePlaceholder":5412},[5388,41255,41256],{"class":5390,"line":7808},[5388,41257,16007],{"class":5936},[5388,41259,41260,41262,41264,41267,41269,41271],{"class":5390,"line":7815},[5388,41261,6629],{"class":6384},[5388,41263,5555],{"class":5946},[5388,41265,41266],{"class":6086},"Use",[5388,41268,7742],{"class":5946},[5388,41270,40893],{"class":6425},[5388,41272,12659],{"class":5946},[5615,41274,41276],{"id":41275},"популярні-плагіни","Популярні плагіни",[13762,41278,41280],{"id":41279},"_1-prometheus-плагін","1. Prometheus плагін",[5379,41282,41284],{"className":6376,"code":41283,"language":6232,"meta":5384,"style":5384},"import \"github.com\u002Fprometheus\u002Fclient_golang\u002Fprometheus\"\n\ntype PrometheusPlugin struct {\n    queryDuration *prometheus.HistogramVec\n    queryCounter  *prometheus.CounterVec\n}\n\nfunc NewPrometheusPlugin() *PrometheusPlugin {\n    return &PrometheusPlugin{\n        queryDuration: prometheus.NewHistogramVec(\n            prometheus.HistogramOpts{\n                Name: \"gorm_query_duration_seconds\",\n                Help: \"Duration of GORM queries\",\n            },\n            []string{\"table\", \"operation\"},\n        ),\n        queryCounter: prometheus.NewCounterVec(\n            prometheus.CounterOpts{\n                Name: \"gorm_query_total\",\n                Help: \"Total number of GORM queries\",\n            },\n            []string{\"table\", \"operation\", \"status\"},\n        ),\n    }\n}\n\nfunc (p *PrometheusPlugin) Name() string {\n    return \"prometheus\"\n}\n\nfunc (p *PrometheusPlugin) Initialize(db *gorm.DB) error {\n    prometheus.MustRegister(p.queryDuration, p.queryCounter)\n    \n    \u002F\u002F Реєстрація callbacks для всіх операцій\n    for _, operation := range []string{\"create\", \"query\", \"update\", \"delete\"} {\n        op := operation\n        \n        db.Callback().Create().Before(\"gorm:\"+op).Register(\"prometheus:before_\"+op, func(db *gorm.DB) {\n            db.InstanceSet(\"prometheus:start_time\", time.Now())\n        })\n        \n        db.Callback().Create().After(\"gorm:\"+op).Register(\"prometheus:after_\"+op, func(db *gorm.DB) {\n            if startTime, ok := db.InstanceGet(\"prometheus:start_time\"); ok {\n                elapsed := time.Since(startTime.(time.Time))\n                table := db.Statement.Table\n                status := \"success\"\n                if db.Error != nil {\n                    status = \"error\"\n                }\n                \n                p.queryDuration.WithLabelValues(table, op).Observe(elapsed.Seconds())\n                p.queryCounter.WithLabelValues(table, op, status).Inc()\n            }\n        })\n    }\n    \n    return nil\n}\n",[5204,41285,41286,41293,41297,41308,41323,41338,41342,41346,41360,41370,41386,41398,41410,41422,41427,41446,41451,41467,41478,41489,41500,41504,41524,41528,41532,41536,41540,41562,41569,41573,41577,41611,41641,41645,41650,41692,41702,41706,41763,41787,41792,41796,41851,41879,41905,41923,41933,41949,41960,41965,41971,42010,42042,42047,42052,42057,42062,42069],{"__ignoreMap":5384},[5388,41287,41288,41290],{"class":5390,"line":5391},[5388,41289,6436],{"class":6435},[5388,41291,41292],{"class":6038}," \"github.com\u002Fprometheus\u002Fclient_golang\u002Fprometheus\"\n",[5388,41294,41295],{"class":5390,"line":5397},[5388,41296,5413],{"emptyLinePlaceholder":5412},[5388,41298,41299,41301,41304,41306],{"class":5390,"line":5403},[5388,41300,7440],{"class":6096},[5388,41302,41303],{"class":6425}," PrometheusPlugin",[5388,41305,7446],{"class":6096},[5388,41307,6561],{"class":5946},[5388,41309,41310,41313,41315,41318,41320],{"class":5390,"line":5409},[5388,41311,41312],{"class":6384},"    queryDuration",[5388,41314,7036],{"class":5946},[5388,41316,41317],{"class":6425},"prometheus",[5388,41319,5555],{"class":5946},[5388,41321,41322],{"class":6425},"HistogramVec\n",[5388,41324,41325,41328,41331,41333,41335],{"class":5390,"line":5416},[5388,41326,41327],{"class":6384},"    queryCounter",[5388,41329,41330],{"class":5946},"  *",[5388,41332,41317],{"class":6425},[5388,41334,5555],{"class":5946},[5388,41336,41337],{"class":6425},"CounterVec\n",[5388,41339,41340],{"class":5390,"line":5422},[5388,41341,5711],{"class":5946},[5388,41343,41344],{"class":5390,"line":5428},[5388,41345,5413],{"emptyLinePlaceholder":5412},[5388,41347,41348,41350,41353,41355,41358],{"class":5390,"line":5434},[5388,41349,6483],{"class":6096},[5388,41351,41352],{"class":6086}," NewPrometheusPlugin",[5388,41354,36723],{"class":5946},[5388,41356,41357],{"class":6425},"PrometheusPlugin",[5388,41359,6561],{"class":5946},[5388,41361,41362,41364,41366,41368],{"class":5390,"line":5439},[5388,41363,7198],{"class":6435},[5388,41365,7554],{"class":5946},[5388,41367,41357],{"class":6425},[5388,41369,13785],{"class":5946},[5388,41371,41372,41375,41377,41379,41381,41384],{"class":5390,"line":5445},[5388,41373,41374],{"class":6384},"        queryDuration",[5388,41376,5947],{"class":5946},[5388,41378,41317],{"class":6384},[5388,41380,5555],{"class":5946},[5388,41382,41383],{"class":6086},"NewHistogramVec",[5388,41385,8126],{"class":5946},[5388,41387,41388,41391,41393,41396],{"class":5390,"line":5451},[5388,41389,41390],{"class":6425},"            prometheus",[5388,41392,5555],{"class":5946},[5388,41394,41395],{"class":6425},"HistogramOpts",[5388,41397,13785],{"class":5946},[5388,41399,41400,41403,41405,41408],{"class":5390,"line":5456},[5388,41401,41402],{"class":6384},"                Name",[5388,41404,5947],{"class":5946},[5388,41406,41407],{"class":6038},"\"gorm_query_duration_seconds\"",[5388,41409,7693],{"class":5946},[5388,41411,41412,41415,41417,41420],{"class":5390,"line":5462},[5388,41413,41414],{"class":6384},"                Help",[5388,41416,5947],{"class":5946},[5388,41418,41419],{"class":6038},"\"Duration of GORM queries\"",[5388,41421,7693],{"class":5946},[5388,41423,41424],{"class":5390,"line":5468},[5388,41425,41426],{"class":5946},"            },\n",[5388,41428,41429,41432,41434,41436,41439,41441,41444],{"class":5390,"line":5474},[5388,41430,41431],{"class":5946},"            []",[5388,41433,13511],{"class":6425},[5388,41435,7559],{"class":5946},[5388,41437,41438],{"class":6038},"\"table\"",[5388,41440,5603],{"class":5946},[5388,41442,41443],{"class":6038},"\"operation\"",[5388,41445,15284],{"class":5946},[5388,41447,41448],{"class":5390,"line":5480},[5388,41449,41450],{"class":5946},"        ),\n",[5388,41452,41453,41456,41458,41460,41462,41465],{"class":5390,"line":5486},[5388,41454,41455],{"class":6384},"        queryCounter",[5388,41457,5947],{"class":5946},[5388,41459,41317],{"class":6384},[5388,41461,5555],{"class":5946},[5388,41463,41464],{"class":6086},"NewCounterVec",[5388,41466,8126],{"class":5946},[5388,41468,41469,41471,41473,41476],{"class":5390,"line":5491},[5388,41470,41390],{"class":6425},[5388,41472,5555],{"class":5946},[5388,41474,41475],{"class":6425},"CounterOpts",[5388,41477,13785],{"class":5946},[5388,41479,41480,41482,41484,41487],{"class":5390,"line":5497},[5388,41481,41402],{"class":6384},[5388,41483,5947],{"class":5946},[5388,41485,41486],{"class":6038},"\"gorm_query_total\"",[5388,41488,7693],{"class":5946},[5388,41490,41491,41493,41495,41498],{"class":5390,"line":5502},[5388,41492,41414],{"class":6384},[5388,41494,5947],{"class":5946},[5388,41496,41497],{"class":6038},"\"Total number of GORM 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   prometheus",[5388,41617,5555],{"class":5946},[5388,41619,41620],{"class":6086},"MustRegister",[5388,41622,6399],{"class":5946},[5388,41624,5266],{"class":6384},[5388,41626,5555],{"class":5946},[5388,41628,41629],{"class":6384},"queryDuration",[5388,41631,5603],{"class":5946},[5388,41633,5266],{"class":6384},[5388,41635,5555],{"class":5946},[5388,41637,41638],{"class":6384},"queryCounter",[5388,41640,6405],{"class":5946},[5388,41642,41643],{"class":5390,"line":7696},[5388,41644,6459],{"class":5946},[5388,41646,41647],{"class":5390,"line":7709},[5388,41648,41649],{"class":5936},"    \u002F\u002F Реєстрація callbacks для всіх операцій\n",[5388,41651,41652,41654,41656,41658,41661,41663,41665,41667,41669,41671,41674,41676,41679,41681,41684,41686,41689],{"class":5390,"line":7721},[5388,41653,8513],{"class":6435},[5388,41655,14256],{"class":6384},[5388,41657,5603],{"class":5946},[5388,41659,41660],{"class":6384},"operation",[5388,41662,6388],{"class":5946},[5388,41664,14266],{"class":6435},[5388,41666,10654],{"class":5946},[5388,41668,13511],{"class":6425},[5388,41670,7559],{"class":5946},[5388,41672,41673],{"class":6038},"\"create\"",[5388,41675,5603],{"class":5946},[5388,41677,41678],{"class":6038},"\"query\"",[5388,41680,5603],{"class":5946},[5388,41682,41683],{"class":6038},"\"update\"",[5388,41685,5603],{"class":5946},[5388,41687,41688],{"class":6038},"\"delete\"",[5388,41690,41691],{"class":5946},"} {\n",[5388,41693,41694,41697,41699],{"class":5390,"line":7733},[5388,41695,41696],{"class":6384},"        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})\n",[5388,41793,41794],{"class":5390,"line":7803},[5388,41795,34154],{"class":5946},[5388,41797,41798,41800,41802,41804,41806,41808,41810,41812,41814,41816,41818,41820,41822,41824,41826,41829,41831,41833,41835,41837,41839,41841,41843,41845,41847,41849],{"class":5390,"line":7808},[5388,41799,41020],{"class":6384},[5388,41801,5555],{"class":5946},[5388,41803,39574],{"class":6086},[5388,41805,14363],{"class":5946},[5388,41807,7594],{"class":6086},[5388,41809,14363],{"class":5946},[5388,41811,39583],{"class":6086},[5388,41813,6399],{"class":5946},[5388,41815,41726],{"class":6038},[5388,41817,24871],{"class":5946},[5388,41819,41731],{"class":6384},[5388,41821,5827],{"class":5946},[5388,41823,39593],{"class":6086},[5388,41825,6399],{"class":5946},[5388,41827,41828],{"class":6038},"\"prometheus:after_\"",[5388,41830,24871],{"class":5946},[5388,41832,41731],{"class":6384},[5388,41834,5603],{"class":5946},[5388,41836,6483],{"class":6096},[5388,41838,6399],{"class":5946},[5388,41840,6629],{"class":6384},[5388,41842,7036],{"class":5946},[5388,41844,13228],{"class":6425},[5388,41846,5555],{"class":5946},[5388,41848,7043],{"class":6425},[5388,41850,8047],{"class":5946},[5388,41852,41853,41855,41857,41859,41861,41863,41865,41867,41869,41871,41873,41875,41877],{"class":5390,"line":7815},[5388,41854,39718],{"class":6435},[5388,41856,41107],{"class":6384},[5388,41858,5603],{"class":5946},[5388,41860,39677],{"class":6384},[5388,41862,6388],{"class":5946},[5388,41864,6629],{"class":6384},[5388,41866,5555],{"class":5946},[5388,41868,41120],{"class":6086},[5388,41870,6399],{"class":5946},[5388,41872,41776],{"class":6038},[5388,41874,8584],{"class":5946},[5388,41876,39677],{"class":6384},[5388,41878,6561],{"class":5946},[5388,41880,41881,41883,41885,41887,41889,41891,41893,41895,41897,41899,41901,41903],{"class":5390,"line":16047},[5388,41882,41200],{"class":6384},[5388,41884,6388],{"class":5946},[5388,41886,6910],{"class":6384},[5388,41888,5555],{"class":5946},[5388,41890,36520],{"class":6086},[5388,41892,6399],{"class":5946},[5388,41894,41148],{"class":6384},[5388,41896,41151],{"class":5946},[5388,41898,6910],{"class":6425},[5388,41900,5555],{"class":5946},[5388,41902,9961],{"class":6425},[5388,41904,25404],{"class":5946},[5388,41906,41907,41910,41912,41914,41916,41918,41920],{"class":5390,"line":16052},[5388,41908,41909],{"class":6384},"                table",[5388,41911,6388],{"class":5946},[5388,41913,6629],{"class":6384},[5388,41915,5555],{"class":5946},[5388,41917,33190],{"class":6384},[5388,41919,5555],{"class":5946},[5388,41921,41922],{"class":6384},"Table\n",[5388,41924,41925,41928,41930],{"class":5390,"line":30856},[5388,41926,41927],{"class":6384},"                status",[5388,41929,6388],{"class":5946},[5388,41931,41932],{"class":6038},"\"success\"\n",[5388,41934,41935,41937,41939,41941,41943,41945,41947],{"class":5390,"line":30861},[5388,41936,40338],{"class":6435},[5388,41938,6601],{"class":6384},[5388,41940,5555],{"class":5946},[5388,41942,13862],{"class":6384},[5388,41944,6555],{"class":5946},[5388,41946,6558],{"class":6096},[5388,41948,6561],{"class":5946},[5388,41950,41952,41955,41957],{"class":5390,"line":41951},48,[5388,41953,41954],{"class":6384},"                    status",[5388,41956,8635],{"class":5946},[5388,41958,41959],{"class":6038},"\"error\"\n",[5388,41961,41963],{"class":5390,"line":41962},49,[5388,41964,40417],{"class":5946},[5388,41966,41968],{"class":5390,"line":41967},50,[5388,41969,41970],{"class":5946},"                \n",[5388,41972,41974,41977,41979,41981,41983,41986,41988,41990,41992,41994,41996,41999,42001,42003,42005,42008],{"class":5390,"line":41973},51,[5388,41975,41976],{"class":6384},"                p",[5388,41978,5555],{"class":5946},[5388,41980,41629],{"class":6384},[5388,41982,5555],{"class":5946},[5388,41984,41985],{"class":6086},"WithLabelValues",[5388,41987,6399],{"class":5946},[5388,41989,12404],{"class":6384},[5388,41991,5603],{"class":5946},[5388,41993,41731],{"class":6384},[5388,41995,5827],{"class":5946},[5388,41997,41998],{"class":6086},"Observe",[5388,42000,6399],{"class":5946},[5388,42002,36572],{"class":6384},[5388,42004,5555],{"class":5946},[5388,42006,42007],{"class":6086},"Seconds",[5388,42009,25319],{"class":5946},[5388,42011,42013,42015,42017,42019,42021,42023,42025,42027,42029,42031,42033,42035,42037,42040],{"class":5390,"line":42012},52,[5388,42014,41976],{"class":6384},[5388,42016,5555],{"class":5946},[5388,42018,41638],{"class":6384},[5388,42020,5555],{"class":5946},[5388,42022,41985],{"class":6086},[5388,42024,6399],{"class":5946},[5388,42026,12404],{"class":6384},[5388,42028,5603],{"class":5946},[5388,42030,41731],{"class":6384},[5388,42032,5603],{"class":5946},[5388,42034,25148],{"class":6384},[5388,42036,5827],{"class":5946},[5388,42038,42039],{"class":6086},"Inc",[5388,42041,6609],{"class":5946},[5388,42043,42045],{"class":5390,"line":42044},53,[5388,42046,39799],{"class":5946},[5388,42048,42050],{"class":5390,"line":42049},54,[5388,42051,41791],{"class":5946},[5388,42053,42055],{"class":5390,"line":42054},55,[5388,42056,6593],{"class":5946},[5388,42058,42060],{"class":5390,"line":42059},56,[5388,42061,6459],{"class":5946},[5388,42063,42065,42067],{"class":5390,"line":42064},57,[5388,42066,7198],{"class":6435},[5388,42068,7201],{"class":6096},[5388,42070,42072],{"class":5390,"line":42071},58,[5388,42073,5711],{"class":5946},[13762,42075,42077],{"id":42076},"_2-opentelemetry-трейсинг","2. OpenTelemetry трейсинг",[5379,42079,42081],{"className":6376,"code":42080,"language":6232,"meta":5384,"style":5384},"import (\n    \"go.opentelemetry.io\u002Fotel\"\n    \"go.opentelemetry.io\u002Fotel\u002Ftrace\"\n)\n\ntype TracingPlugin struct {\n    tracer trace.Tracer\n}\n\nfunc NewTracingPlugin() *TracingPlugin {\n    return &TracingPlugin{\n        tracer: otel.Tracer(\"gorm\"),\n    }\n}\n\nfunc (p *TracingPlugin) Name() string {\n    return \"opentelemetry\"\n}\n\nfunc (p *TracingPlugin) Initialize(db *gorm.DB) error {\n    db.Callback().Query().Before(\"gorm:query\").Register(\"tracing:before\", func(db *gorm.DB) {\n        ctx, span := p.tracer.Start(db.Statement.Context, \"gorm.query\")\n        db.Statement.Context = ctx\n        db.InstanceSet(\"tracing:span\", span)\n        \n        \u002F\u002F Додати атрибути\n        span.SetAttributes(\n            attribute.String(\"db.table\", db.Statement.Table),\n            attribute.String(\"db.sql\", db.Statement.SQL.String()),\n        )\n    })\n    \n    db.Callback().Query().After(\"gorm:query\").Register(\"tracing:after\", func(db *gorm.DB) {\n        if span, ok := db.InstanceGet(\"tracing:span\"); ok {\n            s := span.(trace.Span)\n            if db.Error != nil {\n                s.RecordError(db.Error)\n            }\n            s.End()\n        }\n    })\n    \n    return nil\n}\n",[5204,42082,42083,42089,42094,42099,42103,42107,42118,42131,42135,42139,42153,42163,42185,42189,42193,42197,42219,42226,42230,42234,42268,42315,42357,42374,42393,42397,42402,42414,42442,42474,42479,42483,42487,42534,42563,42583,42599,42619,42623,42634,42638,42642,42646,42652],{"__ignoreMap":5384},[5388,42084,42085,42087],{"class":5390,"line":5391},[5388,42086,6436],{"class":6435},[5388,42088,6439],{"class":5946},[5388,42090,42091],{"class":5390,"line":5397},[5388,42092,42093],{"class":6038},"    \"go.opentelemetry.io\u002Fotel\"\n",[5388,42095,42096],{"class":5390,"line":5403},[5388,42097,42098],{"class":6038},"    \"go.opentelemetry.io\u002Fotel\u002Ftrace\"\n",[5388,42100,42101],{"class":5390,"line":5409},[5388,42102,6405],{"class":5946},[5388,42104,42105],{"class":5390,"line":5416},[5388,42106,5413],{"emptyLinePlaceholder":5412},[5388,42108,42109,42111,42114,42116],{"class":5390,"line":5422},[5388,42110,7440],{"class":6096},[5388,42112,42113],{"class":6425}," TracingPlugin",[5388,42115,7446],{"class":6096},[5388,42117,6561],{"class":5946},[5388,42119,42120,42123,42126,42128],{"class":5390,"line":5428},[5388,42121,42122],{"class":6384},"    tracer",[5388,42124,42125],{"class":6425}," trace",[5388,42127,5555],{"class":5946},[5388,42129,42130],{"class":6425},"Tracer\n",[5388,42132,42133],{"class":5390,"line":5434},[5388,42134,5711],{"class":5946},[5388,42136,42137],{"class":5390,"line":5439},[5388,42138,5413],{"emptyLinePlaceholder":5412},[5388,42140,42141,42143,42146,42148,42151],{"class":5390,"line":5445},[5388,42142,6483],{"class":6096},[5388,42144,42145],{"class":6086}," NewTracingPlugin",[5388,42147,36723],{"class":5946},[5388,42149,42150],{"class":6425},"TracingPlugin",[5388,42152,6561],{"class":5946},[5388,42154,42155,42157,42159,42161],{"class":5390,"line":5451},[5388,42156,7198],{"class":6435},[5388,42158,7554],{"class":5946},[5388,42160,42150],{"class":6425},[5388,42162,13785],{"class":5946},[5388,42164,42165,42168,42170,42173,42175,42178,42180,42183],{"class":5390,"line":5456},[5388,42166,42167],{"class":6384},"        tracer",[5388,42169,5947],{"class":5946},[5388,42171,42172],{"class":6384},"otel",[5388,42174,5555],{"class":5946},[5388,42176,42177],{"class":6086},"Tracer",[5388,42179,6399],{"class":5946},[5388,42181,42182],{"class":6038},"\"gorm\"",[5388,42184,20387],{"class":5946},[5388,42186,42187],{"class":5390,"line":5462},[5388,42188,6593],{"class":5946},[5388,42190,42191],{"class":5390,"line":5468},[5388,42192,5711],{"class":5946},[5388,42194,42195],{"class":5390,"line":5474},[5388,42196,5413],{"emptyLinePlaceholder":5412},[5388,42198,42199,42201,42203,42205,42207,42209,42211,42213,42215,42217],{"class":5390,"line":5480},[5388,42200,6483],{"class":6096},[5388,42202,5306],{"class":5946},[5388,42204,40888],{"class":6384},[5388,42206,7587],{"class":5946},[5388,42208,42150],{"class":6425},[5388,42210,7046],{"class":5946},[5388,42212,18763],{"class":6086},[5388,42214,7314],{"class":5946},[5388,42216,13511],{"class":6425},[5388,42218,6561],{"class":5946},[5388,42220,42221,42223],{"class":5390,"line":5486},[5388,42222,7198],{"class":6435},[5388,42224,42225],{"class":6038}," \"opentelemetry\"\n",[5388,42227,42228],{"class":5390,"line":5491},[5388,42229,5711],{"class":5946},[5388,42231,42232],{"class":5390,"line":5497},[5388,42233,5413],{"emptyLinePlaceholder":5412},[5388,42235,42236,42238,42240,42242,42244,42246,42248,42250,42252,42254,42256,42258,42260,42262,42264,42266],{"class":5390,"line":5502},[5388,42237,6483],{"class":6096},[5388,42239,5306],{"class":5946},[5388,42241,40888],{"class":6384},[5388,42243,7587],{"class":5946},[5388,42245,42150],{"class":6425},[5388,42247,7046],{"class":5946},[5388,42249,40935],{"class":6086},[5388,42251,6399],{"class":5946},[5388,42253,6629],{"class":6384},[5388,42255,7036],{"class":5946},[5388,42257,13228],{"class":6425},[5388,42259,5555],{"class":5946},[5388,42261,7043],{"class":6425},[5388,42263,7046],{"class":5946},[5388,42265,7049],{"class":6425},[5388,42267,6561],{"class":5946},[5388,42269,42270,42272,42274,42276,42278,42280,42282,42284,42286,42288,42290,42292,42294,42297,42299,42301,42303,42305,42307,42309,42311,42313],{"class":5390,"line":5508},[5388,42271,6518],{"class":6384},[5388,42273,5555],{"class":5946},[5388,42275,39574],{"class":6086},[5388,42277,14363],{"class":5946},[5388,42279,8828],{"class":6086},[5388,42281,14363],{"class":5946},[5388,42283,39837],{"class":6086},[5388,42285,6399],{"class":5946},[5388,42287,40988],{"class":6038},[5388,42289,5827],{"class":5946},[5388,42291,39593],{"class":6086},[5388,42293,6399],{"class":5946},[5388,42295,42296],{"class":6038},"\"tracing:before\"",[5388,42298,5603],{"class":5946},[5388,42300,6483],{"class":6096},[5388,42302,6399],{"class":5946},[5388,42304,6629],{"class":6384},[5388,42306,7036],{"class":5946},[5388,42308,13228],{"class":6425},[5388,42310,5555],{"class":5946},[5388,42312,7043],{"class":6425},[5388,42314,8047],{"class":5946},[5388,42316,42317,42320,42322,42324,42326,42328,42330,42333,42335,42338,42340,42342,42344,42346,42348,42350,42352,42355],{"class":5390,"line":5513},[5388,42318,42319],{"class":6384},"        ctx",[5388,42321,5603],{"class":5946},[5388,42323,5388],{"class":6384},[5388,42325,6388],{"class":5946},[5388,42327,5266],{"class":6384},[5388,42329,5555],{"class":5946},[5388,42331,42332],{"class":6384},"tracer",[5388,42334,5555],{"class":5946},[5388,42336,42337],{"class":6086},"Start",[5388,42339,6399],{"class":5946},[5388,42341,6629],{"class":6384},[5388,42343,5555],{"class":5946},[5388,42345,33190],{"class":6384},[5388,42347,5555],{"class":5946},[5388,42349,7607],{"class":6384},[5388,42351,5603],{"class":5946},[5388,42353,42354],{"class":6038},"\"gorm.query\"",[5388,42356,6405],{"class":5946},[5388,42358,42359,42361,42363,42365,42367,42369,42371],{"class":5390,"line":5518},[5388,42360,41020],{"class":6384},[5388,42362,5555],{"class":5946},[5388,42364,33190],{"class":6384},[5388,42366,5555],{"class":5946},[5388,42368,7607],{"class":6384},[5388,42370,8635],{"class":5946},[5388,42372,42373],{"class":6384},"ctx\n",[5388,42375,42376,42378,42380,42382,42384,42387,42389,42391],{"class":5390,"line":5524},[5388,42377,41020],{"class":6384},[5388,42379,5555],{"class":5946},[5388,42381,41025],{"class":6086},[5388,42383,6399],{"class":5946},[5388,42385,42386],{"class":6038},"\"tracing:span\"",[5388,42388,5603],{"class":5946},[5388,42390,5388],{"class":6384},[5388,42392,6405],{"class":5946},[5388,42394,42395],{"class":5390,"line":5530},[5388,42396,34154],{"class":5946},[5388,42398,42399],{"class":5390,"line":5535},[5388,42400,42401],{"class":5936},"        \u002F\u002F Додати атрибути\n",[5388,42403,42404,42407,42409,42412],{"class":5390,"line":5803},[5388,42405,42406],{"class":6384},"        span",[5388,42408,5555],{"class":5946},[5388,42410,42411],{"class":6086},"SetAttributes",[5388,42413,8126],{"class":5946},[5388,42415,42416,42419,42421,42423,42425,42428,42430,42432,42434,42436,42438,42440],{"class":5390,"line":5808},[5388,42417,42418],{"class":6384},"            attribute",[5388,42420,5555],{"class":5946},[5388,42422,31441],{"class":6086},[5388,42424,6399],{"class":5946},[5388,42426,42427],{"class":6038},"\"db.table\"",[5388,42429,5603],{"class":5946},[5388,42431,6629],{"class":6384},[5388,42433,5555],{"class":5946},[5388,42435,33190],{"class":6384},[5388,42437,5555],{"class":5946},[5388,42439,18778],{"class":6384},[5388,42441,20387],{"class":5946},[5388,42443,42444,42446,42448,42450,42452,42455,42457,42459,42461,42463,42465,42467,42469,42471],{"class":5390,"line":7649},[5388,42445,42418],{"class":6384},[5388,42447,5555],{"class":5946},[5388,42449,31441],{"class":6086},[5388,42451,6399],{"class":5946},[5388,42453,42454],{"class":6038},"\"db.sql\"",[5388,42456,5603],{"class":5946},[5388,42458,6629],{"class":6384},[5388,42460,5555],{"class":5946},[5388,42462,33190],{"class":6384},[5388,42464,5555],{"class":5946},[5388,42466,2923],{"class":6384},[5388,42468,5555],{"class":5946},[5388,42470,31441],{"class":6086},[5388,42472,42473],{"class":5946},"()),\n",[5388,42475,42476],{"class":5390,"line":7654},[5388,42477,42478],{"class":5946},"        )\n",[5388,42480,42481],{"class":5390,"line":7659},[5388,42482,26796],{"class":5946},[5388,42484,42485],{"class":5390,"line":7665},[5388,42486,6459],{"class":5946},[5388,42488,42489,42491,42493,42495,42497,42499,42501,42503,42505,42507,42509,42511,42513,42516,42518,42520,42522,42524,42526,42528,42530,42532],{"class":5390,"line":7696},[5388,42490,6518],{"class":6384},[5388,42492,5555],{"class":5946},[5388,42494,39574],{"class":6086},[5388,42496,14363],{"class":5946},[5388,42498,8828],{"class":6086},[5388,42500,14363],{"class":5946},[5388,42502,39583],{"class":6086},[5388,42504,6399],{"class":5946},[5388,42506,40988],{"class":6038},[5388,42508,5827],{"class":5946},[5388,42510,39593],{"class":6086},[5388,42512,6399],{"class":5946},[5388,42514,42515],{"class":6038},"\"tracing:after\"",[5388,42517,5603],{"class":5946},[5388,42519,6483],{"class":6096},[5388,42521,6399],{"class":5946},[5388,42523,6629],{"class":6384},[5388,42525,7036],{"class":5946},[5388,42527,13228],{"class":6425},[5388,42529,5555],{"class":5946},[5388,42531,7043],{"class":6425},[5388,42533,8047],{"class":5946},[5388,42535,42536,42538,42541,42543,42545,42547,42549,42551,42553,42555,42557,42559,42561],{"class":5390,"line":7709},[5388,42537,8537],{"class":6435},[5388,42539,42540],{"class":6384}," span",[5388,42542,5603],{"class":5946},[5388,42544,39677],{"class":6384},[5388,42546,6388],{"class":5946},[5388,42548,6629],{"class":6384},[5388,42550,5555],{"class":5946},[5388,42552,41120],{"class":6086},[5388,42554,6399],{"class":5946},[5388,42556,42386],{"class":6038},[5388,42558,8584],{"class":5946},[5388,42560,39677],{"class":6384},[5388,42562,6561],{"class":5946},[5388,42564,42565,42567,42569,42571,42573,42576,42578,42581],{"class":5390,"line":7721},[5388,42566,30826],{"class":6384},[5388,42568,6388],{"class":5946},[5388,42570,5388],{"class":6384},[5388,42572,41151],{"class":5946},[5388,42574,42575],{"class":6425},"trace",[5388,42577,5555],{"class":5946},[5388,42579,42580],{"class":6425},"Span",[5388,42582,6405],{"class":5946},[5388,42584,42585,42587,42589,42591,42593,42595,42597],{"class":5390,"line":7733},[5388,42586,39718],{"class":6435},[5388,42588,6601],{"class":6384},[5388,42590,5555],{"class":5946},[5388,42592,13862],{"class":6384},[5388,42594,6555],{"class":5946},[5388,42596,6558],{"class":6096},[5388,42598,6561],{"class":5946},[5388,42600,42601,42604,42606,42609,42611,42613,42615,42617],{"class":5390,"line":7754},[5388,42602,42603],{"class":6384},"                s",[5388,42605,5555],{"class":5946},[5388,42607,42608],{"class":6086},"RecordError",[5388,42610,6399],{"class":5946},[5388,42612,6629],{"class":6384},[5388,42614,5555],{"class":5946},[5388,42616,13862],{"class":6384},[5388,42618,6405],{"class":5946},[5388,42620,42621],{"class":5390,"line":7759},[5388,42622,39799],{"class":5946},[5388,42624,42625,42627,42629,42632],{"class":5390,"line":7772},[5388,42626,30826],{"class":6384},[5388,42628,5555],{"class":5946},[5388,42630,42631],{"class":6086},"End",[5388,42633,6609],{"class":5946},[5388,42635,42636],{"class":5390,"line":7798},[5388,42637,8627],{"class":5946},[5388,42639,42640],{"class":5390,"line":7803},[5388,42641,26796],{"class":5946},[5388,42643,42644],{"class":5390,"line":7808},[5388,42645,6459],{"class":5946},[5388,42647,42648,42650],{"class":5390,"line":7815},[5388,42649,7198],{"class":6435},[5388,42651,7201],{"class":6096},[5388,42653,42654],{"class":5390,"line":16047},[5388,42655,5711],{"class":5946},[13762,42657,42659],{"id":42658},"_3-кешування-результатів","3. Кешування результатів",[5379,42661,42663],{"className":6376,"code":42662,"language":6232,"meta":5384,"style":5384},"import (\n    \"crypto\u002Fmd5\"\n    \"encoding\u002Fjson\"\n    \"fmt\"\n    \"time\"\n)\n\ntype CachePlugin struct {\n    cache map[string]interface{} \u002F\u002F Використовуйте Redis у production\n    ttl   time.Duration\n}\n\nfunc NewCachePlugin(ttl time.Duration) *CachePlugin {\n    return &CachePlugin{\n        cache: make(map[string]interface{}),\n        ttl:   ttl,\n    }\n}\n\nfunc (p *CachePlugin) Name() string {\n    return \"cache\"\n}\n\nfunc (p *CachePlugin) Initialize(db *gorm.DB) error {\n    db.Callback().Query().Before(\"gorm:query\").Register(\"cache:before\", func(db *gorm.DB) {\n        \u002F\u002F Перевірити, чи запит має тег кешування\n        if cacheable, ok := db.InstanceGet(\"cache:enabled\"); ok && cacheable.(bool) {\n            \u002F\u002F Згенерувати ключ кешу\n            key := p.generateCacheKey(db.Statement.SQL.String(), db.Statement.Vars)\n            \n            \u002F\u002F Перевірити кеш\n            if cached, found := p.cache[key]; found {\n                \u002F\u002F Встановити результат з кешу\n                db.InstanceSet(\"cache:hit\", true)\n                db.InstanceSet(\"cache:result\", cached)\n            }\n        }\n    })\n    \n    db.Callback().Query().After(\"gorm:query\").Register(\"cache:after\", func(db *gorm.DB) {\n        \u002F\u002F Якщо був cache hit, пропустити\n        if hit, ok := db.InstanceGet(\"cache:hit\"); ok && hit.(bool) {\n            return\n        }\n        \n        \u002F\u002F Зберегти результат у кеші\n        if cacheable, ok := db.InstanceGet(\"cache:enabled\"); ok && cacheable.(bool) {\n            key := p.generateCacheKey(db.Statement.SQL.String(), db.Statement.Vars)\n            p.cache[key] = db.Statement.Dest\n            \n            \u002F\u002F Встановити TTL (у production використовуйте Redis EXPIRE)\n            go func() {\n                time.Sleep(p.ttl)\n                delete(p.cache, key)\n            }()\n        }\n    })\n    \n    return nil\n}\n\nfunc (p *CachePlugin) generateCacheKey(sql string, vars []interface{}) string {\n    data, _ := json.Marshal(map[string]interface{}{\n        \"sql\":  sql,\n        \"vars\": vars,\n    })\n    return fmt.Sprintf(\"%x\", md5.Sum(data))\n}\n\n\u002F\u002F Використання:\ndb.Use(NewCachePlugin(5 * time.Minute))\n\n\u002F\u002F Увімкнути кешування для запиту\nvar users []User\ndb.Set(\"cache:enabled\", true).Find(&users)\n",[5204,42664,42665,42671,42676,42681,42685,42689,42693,42697,42708,42728,42741,42745,42749,42775,42785,42810,42821,42825,42829,42833,42855,42862,42866,42870,42904,42951,42956,42995,43000,43044,43048,43053,43086,43091,43110,43130,43134,43138,43142,43146,43193,43198,43236,43241,43245,43249,43254,43290,43332,43359,43363,43368,43377,43397,43416,43421,43425,43429,43433,43440,43445,43450,43488,43520,43531,43543,43548,43584,43589,43594,43599,43627,43632,43638,43649],{"__ignoreMap":5384},[5388,42666,42667,42669],{"class":5390,"line":5391},[5388,42668,6436],{"class":6435},[5388,42670,6439],{"class":5946},[5388,42672,42673],{"class":5390,"line":5397},[5388,42674,42675],{"class":6038},"    \"crypto\u002Fmd5\"\n",[5388,42677,42678],{"class":5390,"line":5403},[5388,42679,42680],{"class":6038},"    \"encoding\u002Fjson\"\n",[5388,42682,42683],{"class":5390,"line":5409},[5388,42684,6449],{"class":6038},[5388,42686,42687],{"class":5390,"line":5416},[5388,42688,13381],{"class":6038},[5388,42690,42691],{"class":5390,"line":5422},[5388,42692,6405],{"class":5946},[5388,42694,42695],{"class":5390,"line":5428},[5388,42696,5413],{"emptyLinePlaceholder":5412},[5388,42698,42699,42701,42704,42706],{"class":5390,"line":5434},[5388,42700,7440],{"class":6096},[5388,42702,42703],{"class":6425}," CachePlugin",[5388,42705,7446],{"class":6096},[5388,42707,6561],{"class":5946},[5388,42709,42710,42713,42715,42717,42719,42721,42723,42725],{"class":5390,"line":5439},[5388,42711,42712],{"class":6384},"    cache",[5388,42714,17422],{"class":6096},[5388,42716,14535],{"class":5946},[5388,42718,13511],{"class":6425},[5388,42720,14540],{"class":5946},[5388,42722,14543],{"class":6096},[5388,42724,17433],{"class":5946},[5388,42726,42727],{"class":5936},"\u002F\u002F Використовуйте Redis у production\n",[5388,42729,42730,42733,42736,42738],{"class":5390,"line":5445},[5388,42731,42732],{"class":6384},"    ttl",[5388,42734,42735],{"class":6425},"   time",[5388,42737,5555],{"class":5946},[5388,42739,42740],{"class":6425},"Duration\n",[5388,42742,42743],{"class":5390,"line":5451},[5388,42744,5711],{"class":5946},[5388,42746,42747],{"class":5390,"line":5456},[5388,42748,5413],{"emptyLinePlaceholder":5412},[5388,42750,42751,42753,42756,42758,42761,42763,42765,42768,42770,42773],{"class":5390,"line":5462},[5388,42752,6483],{"class":6096},[5388,42754,42755],{"class":6086}," NewCachePlugin",[5388,42757,6399],{"class":5946},[5388,42759,42760],{"class":6384},"ttl",[5388,42762,16979],{"class":6425},[5388,42764,5555],{"class":5946},[5388,42766,42767],{"class":6425},"Duration",[5388,42769,7542],{"class":5946},[5388,42771,42772],{"class":6425},"CachePlugin",[5388,42774,6561],{"class":5946},[5388,42776,42777,42779,42781,42783],{"class":5390,"line":5468},[5388,42778,7198],{"class":6435},[5388,42780,7554],{"class":5946},[5388,42782,42772],{"class":6425},[5388,42784,13785],{"class":5946},[5388,42786,42787,42790,42792,42795,42797,42799,42801,42803,42805,42807],{"class":5390,"line":5474},[5388,42788,42789],{"class":6384},"        cache",[5388,42791,5947],{"class":5946},[5388,42793,42794],{"class":6086},"make",[5388,42796,6399],{"class":5946},[5388,42798,14532],{"class":6096},[5388,42800,14535],{"class":5946},[5388,42802,13511],{"class":6425},[5388,42804,14540],{"class":5946},[5388,42806,14543],{"class":6096},[5388,42808,42809],{"class":5946},"{}),\n",[5388,42811,42812,42815,42817,42819],{"class":5390,"line":5480},[5388,42813,42814],{"class":6384},"        ttl",[5388,42816,16241],{"class":5946},[5388,42818,42760],{"class":6384},[5388,42820,7693],{"class":5946},[5388,42822,42823],{"class":5390,"line":5486},[5388,42824,6593],{"class":5946},[5388,42826,42827],{"class":5390,"line":5491},[5388,42828,5711],{"class":5946},[5388,42830,42831],{"class":5390,"line":5497},[5388,42832,5413],{"emptyLinePlaceholder":5412},[5388,42834,42835,42837,42839,42841,42843,42845,42847,42849,42851,42853],{"class":5390,"line":5502},[5388,42836,6483],{"class":6096},[5388,42838,5306],{"class":5946},[5388,42840,40888],{"class":6384},[5388,42842,7587],{"class":5946},[5388,42844,42772],{"class":6425},[5388,42846,7046],{"class":5946},[5388,42848,18763],{"class":6086},[5388,42850,7314],{"class":5946},[5388,42852,13511],{"class":6425},[5388,42854,6561],{"class":5946},[5388,42856,42857,42859],{"class":5390,"line":5508},[5388,42858,7198],{"class":6435},[5388,42860,42861],{"class":6038}," \"cache\"\n",[5388,42863,42864],{"class":5390,"line":5513},[5388,42865,5711],{"class":5946},[5388,42867,42868],{"class":5390,"line":5518},[5388,42869,5413],{"emptyLinePlaceholder":5412},[5388,42871,42872,42874,42876,42878,42880,42882,42884,42886,42888,42890,42892,42894,42896,42898,42900,42902],{"class":5390,"line":5524},[5388,42873,6483],{"class":6096},[5388,42875,5306],{"class":5946},[5388,42877,40888],{"class":6384},[5388,42879,7587],{"class":5946},[5388,42881,42772],{"class":6425},[5388,42883,7046],{"class":5946},[5388,42885,40935],{"class":6086},[5388,42887,6399],{"class":5946},[5388,42889,6629],{"class":6384},[5388,42891,7036],{"class":5946},[5388,42893,13228],{"class":6425},[5388,42895,5555],{"class":5946},[5388,42897,7043],{"class":6425},[5388,42899,7046],{"class":5946},[5388,42901,7049],{"class":6425},[5388,42903,6561],{"class":5946},[5388,42905,42906,42908,42910,42912,42914,42916,42918,42920,42922,42924,42926,42928,42930,42933,42935,42937,42939,42941,42943,42945,42947,42949],{"class":5390,"line":5530},[5388,42907,6518],{"class":6384},[5388,42909,5555],{"class":5946},[5388,42911,39574],{"class":6086},[5388,42913,14363],{"class":5946},[5388,42915,8828],{"class":6086},[5388,42917,14363],{"class":5946},[5388,42919,39837],{"class":6086},[5388,42921,6399],{"class":5946},[5388,42923,40988],{"class":6038},[5388,42925,5827],{"class":5946},[5388,42927,39593],{"class":6086},[5388,42929,6399],{"class":5946},[5388,42931,42932],{"class":6038},"\"cache:before\"",[5388,42934,5603],{"class":5946},[5388,42936,6483],{"class":6096},[5388,42938,6399],{"class":5946},[5388,42940,6629],{"class":6384},[5388,42942,7036],{"class":5946},[5388,42944,13228],{"class":6425},[5388,42946,5555],{"class":5946},[5388,42948,7043],{"class":6425},[5388,42950,8047],{"class":5946},[5388,42952,42953],{"class":5390,"line":5535},[5388,42954,42955],{"class":5936},"        \u002F\u002F Перевірити, чи запит має тег кешування\n",[5388,42957,42958,42960,42963,42965,42967,42969,42971,42973,42975,42977,42980,42982,42984,42986,42989,42991,42993],{"class":5390,"line":5803},[5388,42959,8537],{"class":6435},[5388,42961,42962],{"class":6384}," cacheable",[5388,42964,5603],{"class":5946},[5388,42966,39677],{"class":6384},[5388,42968,6388],{"class":5946},[5388,42970,6629],{"class":6384},[5388,42972,5555],{"class":5946},[5388,42974,41120],{"class":6086},[5388,42976,6399],{"class":5946},[5388,42978,42979],{"class":6038},"\"cache:enabled\"",[5388,42981,8584],{"class":5946},[5388,42983,39677],{"class":6384},[5388,42985,12834],{"class":5946},[5388,42987,42988],{"class":6384},"cacheable",[5388,42990,41151],{"class":5946},[5388,42992,40661],{"class":6425},[5388,42994,8047],{"class":5946},[5388,42996,42997],{"class":5390,"line":5808},[5388,42998,42999],{"class":5936},"            \u002F\u002F Згенерувати ключ кешу\n",[5388,43001,43002,43005,43007,43009,43011,43014,43016,43018,43020,43022,43024,43026,43028,43030,43032,43034,43036,43038,43040,43042],{"class":5390,"line":7649},[5388,43003,43004],{"class":6384},"            key",[5388,43006,6388],{"class":5946},[5388,43008,5266],{"class":6384},[5388,43010,5555],{"class":5946},[5388,43012,43013],{"class":6086},"generateCacheKey",[5388,43015,6399],{"class":5946},[5388,43017,6629],{"class":6384},[5388,43019,5555],{"class":5946},[5388,43021,33190],{"class":6384},[5388,43023,5555],{"class":5946},[5388,43025,2923],{"class":6384},[5388,43027,5555],{"class":5946},[5388,43029,31441],{"class":6086},[5388,43031,31070],{"class":5946},[5388,43033,6629],{"class":6384},[5388,43035,5555],{"class":5946},[5388,43037,33190],{"class":6384},[5388,43039,5555],{"class":5946},[5388,43041,31464],{"class":6384},[5388,43043,6405],{"class":5946},[5388,43045,43046],{"class":5390,"line":7654},[5388,43047,41164],{"class":5946},[5388,43049,43050],{"class":5390,"line":7659},[5388,43051,43052],{"class":5936},"            \u002F\u002F Перевірити кеш\n",[5388,43054,43055,43057,43060,43062,43065,43067,43069,43071,43074,43076,43079,43082,43084],{"class":5390,"line":7665},[5388,43056,39718],{"class":6435},[5388,43058,43059],{"class":6384}," cached",[5388,43061,5603],{"class":5946},[5388,43063,43064],{"class":6384},"found",[5388,43066,6388],{"class":5946},[5388,43068,5266],{"class":6384},[5388,43070,5555],{"class":5946},[5388,43072,43073],{"class":6384},"cache",[5388,43075,14535],{"class":5946},[5388,43077,43078],{"class":6384},"key",[5388,43080,43081],{"class":5946},"]; ",[5388,43083,43064],{"class":6384},[5388,43085,6561],{"class":5946},[5388,43087,43088],{"class":5390,"line":7696},[5388,43089,43090],{"class":5936},"                \u002F\u002F Встановити результат з кешу\n",[5388,43092,43093,43095,43097,43099,43101,43104,43106,43108],{"class":5390,"line":7709},[5388,43094,41207],{"class":6384},[5388,43096,5555],{"class":5946},[5388,43098,41025],{"class":6086},[5388,43100,6399],{"class":5946},[5388,43102,43103],{"class":6038},"\"cache:hit\"",[5388,43105,5603],{"class":5946},[5388,43107,8783],{"class":6096},[5388,43109,6405],{"class":5946},[5388,43111,43112,43114,43116,43118,43120,43123,43125,43128],{"class":5390,"line":7721},[5388,43113,41207],{"class":6384},[5388,43115,5555],{"class":5946},[5388,43117,41025],{"class":6086},[5388,43119,6399],{"class":5946},[5388,43121,43122],{"class":6038},"\"cache:result\"",[5388,43124,5603],{"class":5946},[5388,43126,43127],{"class":6384},"cached",[5388,43129,6405],{"class":5946},[5388,43131,43132],{"class":5390,"line":7733},[5388,43133,39799],{"class":5946},[5388,43135,43136],{"class":5390,"line":7754},[5388,43137,8627],{"class":5946},[5388,43139,43140],{"class":5390,"line":7759},[5388,43141,26796],{"class":5946},[5388,43143,43144],{"class":5390,"line":7772},[5388,43145,6459],{"class":5946},[5388,43147,43148,43150,43152,43154,43156,43158,43160,43162,43164,43166,43168,43170,43172,43175,43177,43179,43181,43183,43185,43187,43189,43191],{"class":5390,"line":7798},[5388,43149,6518],{"class":6384},[5388,43151,5555],{"class":5946},[5388,43153,39574],{"class":6086},[5388,43155,14363],{"class":5946},[5388,43157,8828],{"class":6086},[5388,43159,14363],{"class":5946},[5388,43161,39583],{"class":6086},[5388,43163,6399],{"class":5946},[5388,43165,40988],{"class":6038},[5388,43167,5827],{"class":5946},[5388,43169,39593],{"class":6086},[5388,43171,6399],{"class":5946},[5388,43173,43174],{"class":6038},"\"cache:after\"",[5388,43176,5603],{"class":5946},[5388,43178,6483],{"class":6096},[5388,43180,6399],{"class":5946},[5388,43182,6629],{"class":6384},[5388,43184,7036],{"class":5946},[5388,43186,13228],{"class":6425},[5388,43188,5555],{"class":5946},[5388,43190,7043],{"class":6425},[5388,43192,8047],{"class":5946},[5388,43194,43195],{"class":5390,"line":7803},[5388,43196,43197],{"class":5936},"        \u002F\u002F Якщо був cache hit, пропустити\n",[5388,43199,43200,43202,43205,43207,43209,43211,43213,43215,43217,43219,43221,43223,43225,43227,43230,43232,43234],{"class":5390,"line":7808},[5388,43201,8537],{"class":6435},[5388,43203,43204],{"class":6384}," hit",[5388,43206,5603],{"class":5946},[5388,43208,39677],{"class":6384},[5388,43210,6388],{"class":5946},[5388,43212,6629],{"class":6384},[5388,43214,5555],{"class":5946},[5388,43216,41120],{"class":6086},[5388,43218,6399],{"class":5946},[5388,43220,43103],{"class":6038},[5388,43222,8584],{"class":5946},[5388,43224,39677],{"class":6384},[5388,43226,12834],{"class":5946},[5388,43228,43229],{"class":6384},"hit",[5388,43231,41151],{"class":5946},[5388,43233,40661],{"class":6425},[5388,43235,8047],{"class":5946},[5388,43237,43238],{"class":5390,"line":7815},[5388,43239,43240],{"class":6435},"            return\n",[5388,43242,43243],{"class":5390,"line":16047},[5388,43244,8627],{"class":5946},[5388,43246,43247],{"class":5390,"line":16052},[5388,43248,34154],{"class":5946},[5388,43250,43251],{"class":5390,"line":30856},[5388,43252,43253],{"class":5936},"        \u002F\u002F Зберегти результат у кеші\n",[5388,43255,43256,43258,43260,43262,43264,43266,43268,43270,43272,43274,43276,43278,43280,43282,43284,43286,43288],{"class":5390,"line":30861},[5388,43257,8537],{"class":6435},[5388,43259,42962],{"class":6384},[5388,43261,5603],{"class":5946},[5388,43263,39677],{"class":6384},[5388,43265,6388],{"class":5946},[5388,43267,6629],{"class":6384},[5388,43269,5555],{"class":5946},[5388,43271,41120],{"class":6086},[5388,43273,6399],{"class":5946},[5388,43275,42979],{"class":6038},[5388,43277,8584],{"class":5946},[5388,43279,39677],{"class":6384},[5388,43281,12834],{"class":5946},[5388,43283,42988],{"class":6384},[5388,43285,41151],{"class":5946},[5388,43287,40661],{"class":6425},[5388,43289,8047],{"class":5946},[5388,43291,43292,43294,43296,43298,43300,43302,43304,43306,43308,43310,43312,43314,43316,43318,43320,43322,43324,43326,43328,43330],{"class":5390,"line":41951},[5388,43293,43004],{"class":6384},[5388,43295,6388],{"class":5946},[5388,43297,5266],{"class":6384},[5388,43299,5555],{"class":5946},[5388,43301,43013],{"class":6086},[5388,43303,6399],{"class":5946},[5388,43305,6629],{"class":6384},[5388,43307,5555],{"class":5946},[5388,43309,33190],{"class":6384},[5388,43311,5555],{"class":5946},[5388,43313,2923],{"class":6384},[5388,43315,5555],{"class":5946},[5388,43317,31441],{"class":6086},[5388,43319,31070],{"class":5946},[5388,43321,6629],{"class":6384},[5388,43323,5555],{"class":5946},[5388,43325,33190],{"class":6384},[5388,43327,5555],{"class":5946},[5388,43329,31464],{"class":6384},[5388,43331,6405],{"class":5946},[5388,43333,43334,43337,43339,43341,43343,43345,43348,43350,43352,43354,43356],{"class":5390,"line":41962},[5388,43335,43336],{"class":6384},"            p",[5388,43338,5555],{"class":5946},[5388,43340,43073],{"class":6384},[5388,43342,14535],{"class":5946},[5388,43344,43078],{"class":6384},[5388,43346,43347],{"class":5946},"] = ",[5388,43349,6629],{"class":6384},[5388,43351,5555],{"class":5946},[5388,43353,33190],{"class":6384},[5388,43355,5555],{"class":5946},[5388,43357,43358],{"class":6384},"Dest\n",[5388,43360,43361],{"class":5390,"line":41967},[5388,43362,41164],{"class":5946},[5388,43364,43365],{"class":5390,"line":41973},[5388,43366,43367],{"class":5936},"            \u002F\u002F Встановити TTL (у production використовуйте Redis EXPIRE)\n",[5388,43369,43370,43373,43375],{"class":5390,"line":42012},[5388,43371,43372],{"class":6435},"            go",[5388,43374,11024],{"class":6096},[5388,43376,6489],{"class":5946},[5388,43378,43379,43382,43384,43387,43389,43391,43393,43395],{"class":5390,"line":42044},[5388,43380,43381],{"class":6384},"                time",[5388,43383,5555],{"class":5946},[5388,43385,43386],{"class":6086},"Sleep",[5388,43388,6399],{"class":5946},[5388,43390,5266],{"class":6384},[5388,43392,5555],{"class":5946},[5388,43394,42760],{"class":6384},[5388,43396,6405],{"class":5946},[5388,43398,43399,43402,43404,43406,43408,43410,43412,43414],{"class":5390,"line":42049},[5388,43400,43401],{"class":6086},"                delete",[5388,43403,6399],{"class":5946},[5388,43405,5266],{"class":6384},[5388,43407,5555],{"class":5946},[5388,43409,43073],{"class":6384},[5388,43411,5603],{"class":5946},[5388,43413,43078],{"class":6384},[5388,43415,6405],{"class":5946},[5388,43417,43418],{"class":5390,"line":42054},[5388,43419,43420],{"class":5946},"            }()\n",[5388,43422,43423],{"class":5390,"line":42059},[5388,43424,8627],{"class":5946},[5388,43426,43427],{"class":5390,"line":42064},[5388,43428,26796],{"class":5946},[5388,43430,43431],{"class":5390,"line":42071},[5388,43432,6459],{"class":5946},[5388,43434,43436,43438],{"class":5390,"line":43435},59,[5388,43437,7198],{"class":6435},[5388,43439,7201],{"class":6096},[5388,43441,43443],{"class":5390,"line":43442},60,[5388,43444,5711],{"class":5946},[5388,43446,43448],{"class":5390,"line":43447},61,[5388,43449,5413],{"emptyLinePlaceholder":5412},[5388,43451,43453,43455,43457,43459,43461,43463,43465,43467,43469,43471,43473,43475,43478,43480,43482,43484,43486],{"class":5390,"line":43452},62,[5388,43454,6483],{"class":6096},[5388,43456,5306],{"class":5946},[5388,43458,40888],{"class":6384},[5388,43460,7587],{"class":5946},[5388,43462,42772],{"class":6425},[5388,43464,7046],{"class":5946},[5388,43466,43013],{"class":6086},[5388,43468,6399],{"class":5946},[5388,43470,6528],{"class":6384},[5388,43472,9935],{"class":6425},[5388,43474,5603],{"class":5946},[5388,43476,43477],{"class":6384},"vars",[5388,43479,10654],{"class":5946},[5388,43481,14543],{"class":6096},[5388,43483,17744],{"class":5946},[5388,43485,13511],{"class":6425},[5388,43487,6561],{"class":5946},[5388,43489,43491,43494,43496,43498,43500,43502,43504,43506,43508,43510,43512,43514,43516,43518],{"class":5390,"line":43490},63,[5388,43492,43493],{"class":6384},"    data",[5388,43495,5603],{"class":5946},[5388,43497,6712],{"class":6384},[5388,43499,6388],{"class":5946},[5388,43501,17626],{"class":6384},[5388,43503,5555],{"class":5946},[5388,43505,39267],{"class":6086},[5388,43507,6399],{"class":5946},[5388,43509,14532],{"class":6096},[5388,43511,14535],{"class":5946},[5388,43513,13511],{"class":6425},[5388,43515,14540],{"class":5946},[5388,43517,14543],{"class":6096},[5388,43519,14546],{"class":5946},[5388,43521,43523,43525,43527,43529],{"class":5390,"line":43522},64,[5388,43524,37078],{"class":6038},[5388,43526,16269],{"class":5946},[5388,43528,6528],{"class":6384},[5388,43530,7693],{"class":5946},[5388,43532,43534,43537,43539,43541],{"class":5390,"line":43533},65,[5388,43535,43536],{"class":6038},"        \"vars\"",[5388,43538,5947],{"class":5946},[5388,43540,43477],{"class":6384},[5388,43542,7693],{"class":5946},[5388,43544,43546],{"class":5390,"line":43545},66,[5388,43547,26796],{"class":5946},[5388,43549,43551,43553,43555,43557,43559,43561,43563,43566,43568,43570,43573,43575,43578,43580,43582],{"class":5390,"line":43550},67,[5388,43552,7198],{"class":6435},[5388,43554,7149],{"class":6384},[5388,43556,5555],{"class":5946},[5388,43558,18713],{"class":6086},[5388,43560,6399],{"class":5946},[5388,43562,6582],{"class":6038},[5388,43564,43565],{"class":6384},"%x",[5388,43567,6582],{"class":6038},[5388,43569,5603],{"class":5946},[5388,43571,43572],{"class":6384},"md5",[5388,43574,5555],{"class":5946},[5388,43576,43577],{"class":6086},"Sum",[5388,43579,6399],{"class":5946},[5388,43581,36254],{"class":6384},[5388,43583,25404],{"class":5946},[5388,43585,43587],{"class":5390,"line":43586},68,[5388,43588,5711],{"class":5946},[5388,43590,43592],{"class":5390,"line":43591},69,[5388,43593,5413],{"emptyLinePlaceholder":5412},[5388,43595,43597],{"class":5390,"line":43596},70,[5388,43598,16007],{"class":5936},[5388,43600,43602,43604,43606,43608,43610,43613,43615,43617,43619,43621,43623,43625],{"class":5390,"line":43601},71,[5388,43603,6629],{"class":6384},[5388,43605,5555],{"class":5946},[5388,43607,41266],{"class":6086},[5388,43609,6399],{"class":5946},[5388,43611,43612],{"class":6086},"NewCachePlugin",[5388,43614,6399],{"class":5946},[5388,43616,6904],{"class":6853},[5388,43618,6907],{"class":5946},[5388,43620,6910],{"class":6384},[5388,43622,5555],{"class":5946},[5388,43624,6915],{"class":6384},[5388,43626,25404],{"class":5946},[5388,43628,43630],{"class":5390,"line":43629},72,[5388,43631,5413],{"emptyLinePlaceholder":5412},[5388,43633,43635],{"class":5390,"line":43634},73,[5388,43636,43637],{"class":5936},"\u002F\u002F Увімкнути кешування для запиту\n",[5388,43639,43641,43643,43645,43647],{"class":5390,"line":43640},74,[5388,43642,10649],{"class":6096},[5388,43644,8502],{"class":6384},[5388,43646,10654],{"class":5946},[5388,43648,8508],{"class":6425},[5388,43650,43652,43654,43656,43658,43660,43662,43664,43666,43668,43670,43672,43674],{"class":5390,"line":43651},75,[5388,43653,6629],{"class":6384},[5388,43655,5555],{"class":5946},[5388,43657,39763],{"class":6086},[5388,43659,6399],{"class":5946},[5388,43661,42979],{"class":6038},[5388,43663,5603],{"class":5946},[5388,43665,8783],{"class":6096},[5388,43667,5827],{"class":5946},[5388,43669,14239],{"class":6086},[5388,43671,7742],{"class":5946},[5388,43673,8643],{"class":6384},[5388,43675,6405],{"class":5946},[5841,43677,43678,43683],{},[5266,43679,43680],{},[5229,43681,43682],{},"Рекомендації для плагінів:",[5275,43684,43685,43691,43697,43703,43708],{},[5197,43686,43687,43690],{},[5229,43688,43689],{},"Ізольованість:"," плагін не повинен конфліктувати з іншими плагінами.",[5197,43692,43693,43696],{},[5229,43694,43695],{},"Продуктивність:"," мінімізуйте overhead callbacks.",[5197,43698,43699,43702],{},[5229,43700,43701],{},"Налаштовність:"," дозволяйте конфігурувати плагін через опції.",[5197,43704,43705,43707],{},[5229,43706,21650],{}," надайте приклади використання.",[5197,43709,43710,43712],{},[5229,43711,25827],{}," покрийте плагін тестами.",[5258,43714],{},[5261,43716,43718],{"id":43717},"оптимізація-та-найкращі-практики","Оптимізація та найкращі практики",[5615,43720,43722],{"id":43721},"_1-n1-query-problem-виявлення-та-вирішення","1. N+1 Query Problem — виявлення та вирішення",[5266,43724,43725],{},[5229,43726,43727],{},"Проблема:",[5379,43729,43731],{"className":6376,"code":43730,"language":6232,"meta":5384,"style":5384},"\u002F\u002F ❌ N+1 queries\nvar users []User\ndb.Find(&users) \u002F\u002F 1 запит\n\nfor _, user := range users {\n    db.Model(&user).Association(\"Posts\").Find(&user.Posts) \u002F\u002F N запитів\n}\n\u002F\u002F Всього: 1 + N запитів\n",[5204,43732,43733,43738,43748,43764,43768,43786,43822,43826],{"__ignoreMap":5384},[5388,43734,43735],{"class":5390,"line":5391},[5388,43736,43737],{"class":5936},"\u002F\u002F ❌ N+1 queries\n",[5388,43739,43740,43742,43744,43746],{"class":5390,"line":5397},[5388,43741,10649],{"class":6096},[5388,43743,8502],{"class":6384},[5388,43745,10654],{"class":5946},[5388,43747,8508],{"class":6425},[5388,43749,43750,43752,43754,43756,43758,43760,43762],{"class":5390,"line":5403},[5388,43751,6629],{"class":6384},[5388,43753,5555],{"class":5946},[5388,43755,14239],{"class":6086},[5388,43757,7742],{"class":5946},[5388,43759,8643],{"class":6384},[5388,43761,7046],{"class":5946},[5388,43763,21092],{"class":5936},[5388,43765,43766],{"class":5390,"line":5409},[5388,43767,5413],{"emptyLinePlaceholder":5412},[5388,43769,43770,43772,43774,43776,43778,43780,43782,43784],{"class":5390,"line":5416},[5388,43771,8877],{"class":6435},[5388,43773,14256],{"class":6384},[5388,43775,5603],{"class":5946},[5388,43777,7612],{"class":6384},[5388,43779,6388],{"class":5946},[5388,43781,14266],{"class":6435},[5388,43783,8502],{"class":6384},[5388,43785,6561],{"class":5946},[5388,43787,43788,43790,43792,43794,43796,43798,43800,43802,43804,43806,43808,43810,43812,43814,43816,43818,43820],{"class":5390,"line":5422},[5388,43789,6518],{"class":6384},[5388,43791,5555],{"class":5946},[5388,43793,14481],{"class":6086},[5388,43795,7742],{"class":5946},[5388,43797,7612],{"class":6384},[5388,43799,5827],{"class":5946},[5388,43801,15475],{"class":6086},[5388,43803,6399],{"class":5946},[5388,43805,15009],{"class":6038},[5388,43807,5827],{"class":5946},[5388,43809,14239],{"class":6086},[5388,43811,7742],{"class":5946},[5388,43813,7612],{"class":6384},[5388,43815,5555],{"class":5946},[5388,43817,15049],{"class":6384},[5388,43819,7046],{"class":5946},[5388,43821,21159],{"class":5936},[5388,43823,43824],{"class":5390,"line":5428},[5388,43825,5711],{"class":5946},[5388,43827,43828],{"class":5390,"line":5434},[5388,43829,21168],{"class":5936},[5266,43831,43832],{},[5229,43833,43834],{},"Рішення:",[5379,43836,43838],{"className":6376,"code":43837,"language":6232,"meta":5384,"style":5384},"\u002F\u002F ✅ 2 запити\nvar users []User\ndb.Preload(\"Posts\").Find(&users)\n\u002F\u002F SELECT * FROM users\n\u002F\u002F SELECT * FROM posts WHERE user_id IN (1,2,3,...)\n",[5204,43839,43840,43845,43855,43877,43881],{"__ignoreMap":5384},[5388,43841,43842],{"class":5390,"line":5391},[5388,43843,43844],{"class":5936},"\u002F\u002F ✅ 2 запити\n",[5388,43846,43847,43849,43851,43853],{"class":5390,"line":5397},[5388,43848,10649],{"class":6096},[5388,43850,8502],{"class":6384},[5388,43852,10654],{"class":5946},[5388,43854,8508],{"class":6425},[5388,43856,43857,43859,43861,43863,43865,43867,43869,43871,43873,43875],{"class":5390,"line":5403},[5388,43858,6629],{"class":6384},[5388,43860,5555],{"class":5946},[5388,43862,14837],{"class":6086},[5388,43864,6399],{"class":5946},[5388,43866,15009],{"class":6038},[5388,43868,5827],{"class":5946},[5388,43870,14239],{"class":6086},[5388,43872,7742],{"class":5946},[5388,43874,8643],{"class":6384},[5388,43876,6405],{"class":5946},[5388,43878,43879],{"class":5390,"line":5409},[5388,43880,21215],{"class":5936},[5388,43882,43883],{"class":5390,"line":5416},[5388,43884,21220],{"class":5936},[5615,43886,43888],{"id":43887},"_2-вибір-полів-зменшення-трафіку","2. Вибір полів — зменшення трафіку",[5379,43890,43892],{"className":6376,"code":43891,"language":6232,"meta":5384,"style":5384},"\u002F\u002F ❌ Завантажує всі поля\ndb.Find(&users)\n\n\u002F\u002F ✅ Лише потрібні поля\ndb.Select(\"id\", \"name\", \"email\").Find(&users)\n\n\u002F\u002F ✅ Виключити великі поля\ndb.Omit(\"avatar_data\", \"biography\").Find(&users)\n",[5204,43893,43894,43899,43913,43917,43922,43952,43956,43961],{"__ignoreMap":5384},[5388,43895,43896],{"class":5390,"line":5391},[5388,43897,43898],{"class":5936},"\u002F\u002F ❌ Завантажує всі поля\n",[5388,43900,43901,43903,43905,43907,43909,43911],{"class":5390,"line":5397},[5388,43902,6629],{"class":6384},[5388,43904,5555],{"class":5946},[5388,43906,14239],{"class":6086},[5388,43908,7742],{"class":5946},[5388,43910,8643],{"class":6384},[5388,43912,6405],{"class":5946},[5388,43914,43915],{"class":5390,"line":5403},[5388,43916,5413],{"emptyLinePlaceholder":5412},[5388,43918,43919],{"class":5390,"line":5409},[5388,43920,43921],{"class":5936},"\u002F\u002F ✅ Лише потрібні поля\n",[5388,43923,43924,43926,43928,43930,43932,43934,43936,43938,43940,43942,43944,43946,43948,43950],{"class":5390,"line":5416},[5388,43925,6629],{"class":6384},[5388,43927,5555],{"class":5946},[5388,43929,22630],{"class":6086},[5388,43931,6399],{"class":5946},[5388,43933,23828],{"class":6038},[5388,43935,5603],{"class":5946},[5388,43937,22522],{"class":6038},[5388,43939,5603],{"class":5946},[5388,43941,22639],{"class":6038},[5388,43943,5827],{"class":5946},[5388,43945,14239],{"class":6086},[5388,43947,7742],{"class":5946},[5388,43949,8643],{"class":6384},[5388,43951,6405],{"class":5946},[5388,43953,43954],{"class":5390,"line":5422},[5388,43955,5413],{"emptyLinePlaceholder":5412},[5388,43957,43958],{"class":5390,"line":5428},[5388,43959,43960],{"class":5936},"\u002F\u002F ✅ Виключити великі поля\n",[5388,43962,43963,43965,43967,43969,43971,43974,43976,43979,43981,43983,43985,43987],{"class":5390,"line":5434},[5388,43964,6629],{"class":6384},[5388,43966,5555],{"class":5946},[5388,43968,22716],{"class":6086},[5388,43970,6399],{"class":5946},[5388,43972,43973],{"class":6038},"\"avatar_data\"",[5388,43975,5603],{"class":5946},[5388,43977,43978],{"class":6038},"\"biography\"",[5388,43980,5827],{"class":5946},[5388,43982,14239],{"class":6086},[5388,43984,7742],{"class":5946},[5388,43986,8643],{"class":6384},[5388,43988,6405],{"class":5946},[5615,43990,43992],{"id":43991},"_3-пагінація-для-великих-datasets","3. Пагінація для великих datasets",[5379,43994,43996],{"className":6376,"code":43995,"language":6232,"meta":5384,"style":5384},"\u002F\u002F ❌ Завантажує всі записи\nvar users []User\ndb.Find(&users) \u002F\u002F Може бути мільйони рядків!\n\n\u002F\u002F ✅ Використовуйте Limit та Offset\ndb.Limit(20).Offset(40).Find(&users)\n\n\u002F\u002F ✅ Або cursor-based pagination\ndb.Where(\"id > ?\", lastSeenID).Limit(20).Find(&users)\n",[5204,43997,43998,44003,44013,44030,44034,44039,44070,44074,44079],{"__ignoreMap":5384},[5388,43999,44000],{"class":5390,"line":5391},[5388,44001,44002],{"class":5936},"\u002F\u002F ❌ Завантажує всі записи\n",[5388,44004,44005,44007,44009,44011],{"class":5390,"line":5397},[5388,44006,10649],{"class":6096},[5388,44008,8502],{"class":6384},[5388,44010,10654],{"class":5946},[5388,44012,8508],{"class":6425},[5388,44014,44015,44017,44019,44021,44023,44025,44027],{"class":5390,"line":5403},[5388,44016,6629],{"class":6384},[5388,44018,5555],{"class":5946},[5388,44020,14239],{"class":6086},[5388,44022,7742],{"class":5946},[5388,44024,8643],{"class":6384},[5388,44026,7046],{"class":5946},[5388,44028,44029],{"class":5936},"\u002F\u002F Може бути мільйони рядків!\n",[5388,44031,44032],{"class":5390,"line":5409},[5388,44033,5413],{"emptyLinePlaceholder":5412},[5388,44035,44036],{"class":5390,"line":5416},[5388,44037,44038],{"class":5936},"\u002F\u002F ✅ Використовуйте Limit та Offset\n",[5388,44040,44041,44043,44045,44047,44049,44051,44053,44055,44057,44060,44062,44064,44066,44068],{"class":5390,"line":5422},[5388,44042,6629],{"class":6384},[5388,44044,5555],{"class":5946},[5388,44046,23098],{"class":6086},[5388,44048,6399],{"class":5946},[5388,44050,23148],{"class":6853},[5388,44052,5827],{"class":5946},[5388,44054,23143],{"class":6086},[5388,44056,6399],{"class":5946},[5388,44058,44059],{"class":6853},"40",[5388,44061,5827],{"class":5946},[5388,44063,14239],{"class":6086},[5388,44065,7742],{"class":5946},[5388,44067,8643],{"class":6384},[5388,44069,6405],{"class":5946},[5388,44071,44072],{"class":5390,"line":5428},[5388,44073,5413],{"emptyLinePlaceholder":5412},[5388,44075,44076],{"class":5390,"line":5434},[5388,44077,44078],{"class":5936},"\u002F\u002F ✅ Або cursor-based pagination\n",[5388,44080,44081,44083,44085,44087,44089,44092,44094,44097,44099,44101,44103,44105,44107,44109,44111,44113],{"class":5390,"line":5439},[5388,44082,6629],{"class":6384},[5388,44084,5555],{"class":5946},[5388,44086,14187],{"class":6086},[5388,44088,6399],{"class":5946},[5388,44090,44091],{"class":6038},"\"id > ?\"",[5388,44093,5603],{"class":5946},[5388,44095,44096],{"class":6384},"lastSeenID",[5388,44098,5827],{"class":5946},[5388,44100,23098],{"class":6086},[5388,44102,6399],{"class":5946},[5388,44104,23148],{"class":6853},[5388,44106,5827],{"class":5946},[5388,44108,14239],{"class":6086},[5388,44110,7742],{"class":5946},[5388,44112,8643],{"class":6384},[5388,44114,6405],{"class":5946},[5615,44116,44118],{"id":44117},"_4-batch-операції","4. Batch операції",[5379,44120,44122],{"className":6376,"code":44121,"language":6232,"meta":5384,"style":5384},"\u002F\u002F ❌ Повільно\nfor _, user := range users {\n    db.Create(&user) \u002F\u002F N запитів\n}\n\n\u002F\u002F ✅ Швидко\ndb.CreateInBatches(users, 1000) \u002F\u002F Пакетами по 1000\n",[5204,44123,44124,44129,44147,44163,44167,44171,44176],{"__ignoreMap":5384},[5388,44125,44126],{"class":5390,"line":5391},[5388,44127,44128],{"class":5936},"\u002F\u002F ❌ Повільно\n",[5388,44130,44131,44133,44135,44137,44139,44141,44143,44145],{"class":5390,"line":5397},[5388,44132,8877],{"class":6435},[5388,44134,14256],{"class":6384},[5388,44136,5603],{"class":5946},[5388,44138,7612],{"class":6384},[5388,44140,6388],{"class":5946},[5388,44142,14266],{"class":6435},[5388,44144,8502],{"class":6384},[5388,44146,6561],{"class":5946},[5388,44148,44149,44151,44153,44155,44157,44159,44161],{"class":5390,"line":5403},[5388,44150,6518],{"class":6384},[5388,44152,5555],{"class":5946},[5388,44154,7594],{"class":6086},[5388,44156,7742],{"class":5946},[5388,44158,7612],{"class":6384},[5388,44160,7046],{"class":5946},[5388,44162,21159],{"class":5936},[5388,44164,44165],{"class":5390,"line":5409},[5388,44166,5711],{"class":5946},[5388,44168,44169],{"class":5390,"line":5416},[5388,44170,5413],{"emptyLinePlaceholder":5412},[5388,44172,44173],{"class":5390,"line":5422},[5388,44174,44175],{"class":5936},"\u002F\u002F ✅ Швидко\n",[5388,44177,44178,44180,44182,44184,44186,44188,44190,44192,44194],{"class":5390,"line":5428},[5388,44179,6629],{"class":6384},[5388,44181,5555],{"class":5946},[5388,44183,26841],{"class":6086},[5388,44185,6399],{"class":5946},[5388,44187,8643],{"class":6384},[5388,44189,5603],{"class":5946},[5388,44191,26850],{"class":6853},[5388,44193,7046],{"class":5946},[5388,44195,44196],{"class":5936},"\u002F\u002F Пакетами по 1000\n",[5615,44198,44200],{"id":44199},"_5-індекси","5. Індекси",[5379,44202,44204],{"className":6376,"code":44203,"language":6232,"meta":5384,"style":5384},"\u002F\u002F Створіть індекси для:\n\u002F\u002F - WHERE умов\n\u002F\u002F - JOIN колонок\n\u002F\u002F - ORDER BY полів\n\u002F\u002F - Foreign keys\n\ntype User struct {\n    Email  string `gorm:\"uniqueIndex\"`      \u002F\u002F Часто використовується у WHERE\n    Status string `gorm:\"index\"`            \u002F\u002F Фільтрація за статусом\n    City   string `gorm:\"index:idx_location\"` \u002F\u002F Композитний індекс\n    State  string `gorm:\"index:idx_location\"`\n}\n",[5204,44205,44206,44211,44216,44221,44226,44231,44235,44245,44256,44267,44278,44288],{"__ignoreMap":5384},[5388,44207,44208],{"class":5390,"line":5391},[5388,44209,44210],{"class":5936},"\u002F\u002F Створіть індекси для:\n",[5388,44212,44213],{"class":5390,"line":5397},[5388,44214,44215],{"class":5936},"\u002F\u002F - WHERE умов\n",[5388,44217,44218],{"class":5390,"line":5403},[5388,44219,44220],{"class":5936},"\u002F\u002F - JOIN колонок\n",[5388,44222,44223],{"class":5390,"line":5409},[5388,44224,44225],{"class":5936},"\u002F\u002F - ORDER BY полів\n",[5388,44227,44228],{"class":5390,"line":5416},[5388,44229,44230],{"class":5936},"\u002F\u002F - Foreign keys\n",[5388,44232,44233],{"class":5390,"line":5422},[5388,44234,5413],{"emptyLinePlaceholder":5412},[5388,44236,44237,44239,44241,44243],{"class":5390,"line":5428},[5388,44238,7440],{"class":6096},[5388,44240,7443],{"class":6425},[5388,44242,7446],{"class":6096},[5388,44244,6561],{"class":5946},[5388,44246,44247,44249,44251,44253],{"class":5390,"line":5434},[5388,44248,7461],{"class":6384},[5388,44250,16932],{"class":6425},[5388,44252,28117],{"class":6038},[5388,44254,44255],{"class":5936},"      \u002F\u002F Часто використовується у WHERE\n",[5388,44257,44258,44260,44262,44264],{"class":5390,"line":5439},[5388,44259,16863],{"class":6384},[5388,44261,9935],{"class":6425},[5388,44263,13477],{"class":6038},[5388,44265,44266],{"class":5936},"            \u002F\u002F Фільтрація за статусом\n",[5388,44268,44269,44271,44273,44276],{"class":5390,"line":5445},[5388,44270,10594],{"class":6384},[5388,44272,10597],{"class":6425},[5388,44274,44275],{"class":6038}," `gorm:\"index:idx_location\"`",[5388,44277,28154],{"class":5936},[5388,44279,44280,44283,44285],{"class":5390,"line":5451},[5388,44281,44282],{"class":6384},"    State",[5388,44284,16932],{"class":6425},[5388,44286,44287],{"class":6038}," `gorm:\"index:idx_location\"`\n",[5388,44289,44290],{"class":5390,"line":5456},[5388,44291,5711],{"class":5946},[5615,44293,44295],{"id":44294},"_6-connection-pool-налаштування","6. Connection Pool налаштування",[5379,44297,44299],{"className":6376,"code":44298,"language":6232,"meta":5384,"style":5384},"sqlDB, err := db.DB()\n\n\u002F\u002F Максимум відкритих з'єднань\nsqlDB.SetMaxOpenConns(100)\n\n\u002F\u002F Максимум idle з'єднань\nsqlDB.SetMaxIdleConns(10)\n\n\u002F\u002F Максимальний час життя з'єднання\nsqlDB.SetConnMaxLifetime(time.Hour)\n\n\u002F\u002F Максимальний час простою\nsqlDB.SetConnMaxIdleTime(10 * time.Minute)\n",[5204,44300,44301,44320,44324,44329,44343,44347,44352,44366,44370,44375,44394,44398,44403],{"__ignoreMap":5384},[5388,44302,44303,44306,44308,44310,44312,44314,44316,44318],{"class":5390,"line":5391},[5388,44304,44305],{"class":6384},"sqlDB",[5388,44307,5603],{"class":5946},[5388,44309,6523],{"class":6384},[5388,44311,6388],{"class":5946},[5388,44313,6629],{"class":6384},[5388,44315,5555],{"class":5946},[5388,44317,7043],{"class":6086},[5388,44319,6609],{"class":5946},[5388,44321,44322],{"class":5390,"line":5397},[5388,44323,5413],{"emptyLinePlaceholder":5412},[5388,44325,44326],{"class":5390,"line":5403},[5388,44327,44328],{"class":5936},"\u002F\u002F Максимум відкритих з'єднань\n",[5388,44330,44331,44333,44335,44337,44339,44341],{"class":5390,"line":5409},[5388,44332,44305],{"class":6384},[5388,44334,5555],{"class":5946},[5388,44336,6848],{"class":6086},[5388,44338,6399],{"class":5946},[5388,44340,33732],{"class":6853},[5388,44342,6405],{"class":5946},[5388,44344,44345],{"class":5390,"line":5416},[5388,44346,5413],{"emptyLinePlaceholder":5412},[5388,44348,44349],{"class":5390,"line":5422},[5388,44350,44351],{"class":5936},"\u002F\u002F Максимум idle з'єднань\n",[5388,44353,44354,44356,44358,44360,44362,44364],{"class":5390,"line":5428},[5388,44355,44305],{"class":6384},[5388,44357,5555],{"class":5946},[5388,44359,6874],{"class":6086},[5388,44361,6399],{"class":5946},[5388,44363,6879],{"class":6853},[5388,44365,6405],{"class":5946},[5388,44367,44368],{"class":5390,"line":5434},[5388,44369,5413],{"emptyLinePlaceholder":5412},[5388,44371,44372],{"class":5390,"line":5439},[5388,44373,44374],{"class":5936},"\u002F\u002F Максимальний час життя з'єднання\n",[5388,44376,44377,44379,44381,44383,44385,44387,44389,44392],{"class":5390,"line":5445},[5388,44378,44305],{"class":6384},[5388,44380,5555],{"class":5946},[5388,44382,6899],{"class":6086},[5388,44384,6399],{"class":5946},[5388,44386,6910],{"class":6384},[5388,44388,5555],{"class":5946},[5388,44390,44391],{"class":6384},"Hour",[5388,44393,6405],{"class":5946},[5388,44395,44396],{"class":5390,"line":5451},[5388,44397,5413],{"emptyLinePlaceholder":5412},[5388,44399,44400],{"class":5390,"line":5456},[5388,44401,44402],{"class":5936},"\u002F\u002F Максимальний час простою\n",[5388,44404,44405,44407,44409,44411,44413,44415,44417,44419,44421,44423],{"class":5390,"line":5462},[5388,44406,44305],{"class":6384},[5388,44408,5555],{"class":5946},[5388,44410,6935],{"class":6086},[5388,44412,6399],{"class":5946},[5388,44414,6879],{"class":6853},[5388,44416,6907],{"class":5946},[5388,44418,6910],{"class":6384},[5388,44420,5555],{"class":5946},[5388,44422,6915],{"class":6384},[5388,44424,6405],{"class":5946},[5615,44426,44428],{"id":44427},"_7-prepared-statements","7. Prepared Statements",[5379,44430,44432],{"className":6376,"code":44431,"language":6232,"meta":5384,"style":5384},"\u002F\u002F Увімкнути для повторюваних запитів\ndb, err := gorm.Open(postgres.Open(dsn), &gorm.Config{\n    PrepareStmt: true,\n})\n\n\u002F\u002F Кешує підготовлені запити для покращення продуктивності\n",[5204,44433,44434,44439,44477,44487,44491,44495],{"__ignoreMap":5384},[5388,44435,44436],{"class":5390,"line":5391},[5388,44437,44438],{"class":5936},"\u002F\u002F Увімкнути для повторюваних запитів\n",[5388,44440,44441,44443,44445,44447,44449,44451,44453,44455,44457,44459,44461,44463,44465,44467,44469,44471,44473,44475],{"class":5390,"line":5397},[5388,44442,6629],{"class":6384},[5388,44444,5603],{"class":5946},[5388,44446,6523],{"class":6384},[5388,44448,6388],{"class":5946},[5388,44450,13228],{"class":6384},[5388,44452,5555],{"class":5946},[5388,44454,6533],{"class":6086},[5388,44456,6399],{"class":5946},[5388,44458,12638],{"class":6384},[5388,44460,5555],{"class":5946},[5388,44462,6533],{"class":6086},[5388,44464,6399],{"class":5946},[5388,44466,6385],{"class":6384},[5388,44468,13247],{"class":5946},[5388,44470,13228],{"class":6425},[5388,44472,5555],{"class":5946},[5388,44474,12656],{"class":6425},[5388,44476,13785],{"class":5946},[5388,44478,44479,44481,44483,44485],{"class":5390,"line":5403},[5388,44480,27966],{"class":6384},[5388,44482,5947],{"class":5946},[5388,44484,8783],{"class":6096},[5388,44486,7693],{"class":5946},[5388,44488,44489],{"class":5390,"line":5409},[5388,44490,14574],{"class":5946},[5388,44492,44493],{"class":5390,"line":5416},[5388,44494,5413],{"emptyLinePlaceholder":5412},[5388,44496,44497],{"class":5390,"line":5422},[5388,44498,44499],{"class":5936},"\u002F\u002F Кешує підготовлені запити для покращення продуктивності\n",[5615,44501,44503],{"id":44502},"_8-моніторинг-повільних-запитів","8. Моніторинг повільних запитів",[5379,44505,44507],{"className":6376,"code":44506,"language":6232,"meta":5384,"style":5384},"newLogger := logger.New(\n    log.New(os.Stdout, \"\\r\\n\", log.LstdFlags),\n    logger.Config{\n        SlowThreshold: 200 * time.Millisecond, \u002F\u002F Логувати запити > 200ms\n        LogLevel:      logger.Warn,\n    },\n)\n\ndb, err := gorm.Open(postgres.Open(dsn), &gorm.Config{\n    Logger: newLogger,\n})\n",[5204,44508,44509,44523,44557,44567,44588,44602,44606,44610,44614,44652,44662],{"__ignoreMap":5384},[5388,44510,44511,44513,44515,44517,44519,44521],{"class":5390,"line":5391},[5388,44512,35841],{"class":6384},[5388,44514,6388],{"class":5946},[5388,44516,31808],{"class":6384},[5388,44518,5555],{"class":5946},[5388,44520,12704],{"class":6086},[5388,44522,8126],{"class":5946},[5388,44524,44525,44527,44529,44531,44533,44535,44537,44539,44541,44543,44545,44547,44549,44551,44553,44555],{"class":5390,"line":5397},[5388,44526,9869],{"class":6384},[5388,44528,5555],{"class":5946},[5388,44530,12704],{"class":6086},[5388,44532,6399],{"class":5946},[5388,44534,6391],{"class":6384},[5388,44536,5555],{"class":5946},[5388,44538,31831],{"class":6384},[5388,44540,5603],{"class":5946},[5388,44542,6582],{"class":6038},[5388,44544,31838],{"class":6121},[5388,44546,6582],{"class":6038},[5388,44548,5603],{"class":5946},[5388,44550,14861],{"class":6384},[5388,44552,5555],{"class":5946},[5388,44554,31849],{"class":6384},[5388,44556,20387],{"class":5946},[5388,44558,44559,44561,44563,44565],{"class":5390,"line":5403},[5388,44560,31856],{"class":6425},[5388,44562,5555],{"class":5946},[5388,44564,12656],{"class":6425},[5388,44566,13785],{"class":5946},[5388,44568,44569,44571,44573,44575,44577,44579,44581,44583,44585],{"class":5390,"line":5409},[5388,44570,35903],{"class":6384},[5388,44572,5947],{"class":5946},[5388,44574,26434],{"class":6853},[5388,44576,6907],{"class":5946},[5388,44578,6910],{"class":6384},[5388,44580,5555],{"class":5946},[5388,44582,31878],{"class":6384},[5388,44584,5603],{"class":5946},[5388,44586,44587],{"class":5936},"\u002F\u002F Логувати запити > 200ms\n",[5388,44589,44590,44592,44594,44596,44598,44600],{"class":5390,"line":5416},[5388,44591,35925],{"class":6384},[5388,44593,30664],{"class":5946},[5388,44595,31808],{"class":6384},[5388,44597,5555],{"class":5946},[5388,44599,35743],{"class":6384},[5388,44601,7693],{"class":5946},[5388,44603,44604],{"class":5390,"line":5422},[5388,44605,15302],{"class":5946},[5388,44607,44608],{"class":5390,"line":5428},[5388,44609,6405],{"class":5946},[5388,44611,44612],{"class":5390,"line":5434},[5388,44613,5413],{"emptyLinePlaceholder":5412},[5388,44615,44616,44618,44620,44622,44624,44626,44628,44630,44632,44634,44636,44638,44640,44642,44644,44646,44648,44650],{"class":5390,"line":5439},[5388,44617,6629],{"class":6384},[5388,44619,5603],{"class":5946},[5388,44621,6523],{"class":6384},[5388,44623,6388],{"class":5946},[5388,44625,13228],{"class":6384},[5388,44627,5555],{"class":5946},[5388,44629,6533],{"class":6086},[5388,44631,6399],{"class":5946},[5388,44633,12638],{"class":6384},[5388,44635,5555],{"class":5946},[5388,44637,6533],{"class":6086},[5388,44639,6399],{"class":5946},[5388,44641,6385],{"class":6384},[5388,44643,13247],{"class":5946},[5388,44645,13228],{"class":6425},[5388,44647,5555],{"class":5946},[5388,44649,12656],{"class":6425},[5388,44651,13785],{"class":5946},[5388,44653,44654,44656,44658,44660],{"class":5390,"line":5445},[5388,44655,32220],{"class":6384},[5388,44657,5947],{"class":5946},[5388,44659,35841],{"class":6384},[5388,44661,7693],{"class":5946},[5388,44663,44664],{"class":5390,"line":5451},[5388,44665,14574],{"class":5946},[5580,44667,44668,44673],{},[5266,44669,44670],{},[5229,44671,44672],{},"Типові помилки продуктивності:",[5275,44674,44675,44682,44685,44691,44699],{},[5197,44676,44677,44679,44680,5555],{},[5229,44678,15090],{}," — найпоширеніша проблема. Завжди використовуйте ",[5204,44681,15079],{},[5197,44683,44684],{},"**SELECT *** — завантаження всіх полів, навіть непотрібних.",[5197,44686,44687,44690],{},[5229,44688,44689],{},"Відсутність індексів"," — запити без індексів стають повільними на великих таблицях.",[5197,44692,44693,44696,44697,5555],{},[5229,44694,44695],{},"Завантаження всіх даних"," — використовуйте пагінацію або ",[5204,44698,26935],{},[5197,44700,44701,44704],{},[5229,44702,44703],{},"Ігнорування connection pool"," — невірні налаштування можуть виснажити БД.",[5258,44706],{},[5261,44708,44710],{"id":44709},"порівняльна-таблиця-databasesql-vs-sqlx-vs-gorm","Порівняльна таблиця: database\u002Fsql vs sqlx vs GORM",[12404,44712,44713,44726],{},[12407,44714,44715],{},[12410,44716,44717,44720,44722,44724],{},[12413,44718,44719],{},"Характеристика",[12413,44721,5206],{},[12413,44723,5873],{},[12413,44725,10732],{},[12419,44727,44728,44744,44759,44776,44795,44812,44828,44842,44864,44880,44896,44911,44926,44941],{},[12410,44729,44730,44735,44738,44741],{},[12424,44731,44732],{},[5229,44733,44734],{},"Рівень абстракції",[12424,44736,44737],{},"Низький",[12424,44739,44740],{},"Середній",[12424,44742,44743],{},"Високий",[12410,44745,44746,44751,44754,44756],{},[12424,44747,44748],{},[5229,44749,44750],{},"Написання SQL",[12424,44752,44753],{},"Вручну",[12424,44755,44753],{},[12424,44757,44758],{},"Автоматично",[12410,44760,44761,44766,44771,44774],{},[12424,44762,44763],{},[5229,44764,44765],{},"Безпека від SQL-ін'єкцій",[12424,44767,44768,44769],{},"Якщо використовувати ",[5204,44770,22022],{},[12424,44772,44773],{},"Так",[12424,44775,44773],{},[12410,44777,44778,44783,44788,44793],{},[12424,44779,44780],{},[5229,44781,44782],{},"Сканування у структури",[12424,44784,44785,44786],{},"Вручну ",[5204,44787,7862],{},[12424,44789,44790,44791],{},"Автоматично через теги ",[5204,44792,6629],{},[12424,44794,44758],{},[12410,44796,44797,44802,44805,44807],{},[12424,44798,44799],{},[5229,44800,44801],{},"Зв'язки (Relations)",[12424,44803,44804],{},"Вручну через JOIN",[12424,44806,44804],{},[12424,44808,44809,44810,12033],{},"Автоматично (",[5204,44811,14837],{},[12410,44813,44814,44818,44821,44823],{},[12424,44815,44816],{},[5229,44817,11937],{},[12424,44819,44820],{},"Немає",[12424,44822,44820],{},[12424,44824,44825,44827],{},[5204,44826,13670],{},", Migrator API",[12410,44829,44830,44835,44837,44839],{},[12424,44831,44832],{},[5229,44833,44834],{},"Хуки життєвого циклу",[12424,44836,44820],{},[12424,44838,44820],{},[12424,44840,44841],{},"Так (Before\u002FAfter)",[12410,44843,44844,44848,44852,44857],{},[12424,44845,44846],{},[5229,44847,3025],{},[12424,44849,44850],{},[5204,44851,10863],{},[12424,44853,44854],{},[5204,44855,44856],{},"BeginTxx()",[12424,44858,44859,5603,44862],{},[5204,44860,44861],{},"Begin()",[5204,44863,33485],{},[12410,44865,44866,44871,44874,44877],{},[12424,44867,44868],{},[5229,44869,44870],{},"Продуктивність",[12424,44872,44873],{},"Максимальна",[12424,44875,44876],{},"Висока",[12424,44878,44879],{},"Середня (overhead ORM)",[12410,44881,44882,44887,44890,44893],{},[12424,44883,44884],{},[5229,44885,44886],{},"Складність коду",[12424,44888,44889],{},"Багато шаблонного коду",[12424,44891,44892],{},"Помірна",[12424,44894,44895],{},"Мінімальна",[12410,44897,44898,44903,44906,44908],{},[12424,44899,44900],{},[5229,44901,44902],{},"Контроль над SQL",[12424,44904,44905],{},"Повний",[12424,44907,44905],{},[12424,44909,44910],{},"Обмежений (але є Raw)",[12410,44912,44913,44918,44921,44923],{},[12424,44914,44915],{},[5229,44916,44917],{},"Підтримка СУБД",[12424,44919,44920],{},"Через драйвери",[12424,44922,44920],{},[12424,44924,44925],{},"PostgreSQL, MySQL, SQLite, SQL Server",[12410,44927,44928,44933,44936,44938],{},[12424,44929,44930],{},[5229,44931,44932],{},"Крива навчання",[12424,44934,44935],{},"Низька",[12424,44937,44935],{},[12424,44939,44940],{},"Середня",[12410,44942,44943,44948,44951,44954],{},[12424,44944,44945],{},[5229,44946,44947],{},"Розмір бібліотеки",[12424,44949,44950],{},"Стандартна (вбудована)",[12424,44952,44953],{},"Мала (~500 KB)",[12424,44955,44956],{},"Велика (~5 MB)",[5615,44958,44960],{"id":44959},"рекомендації-щодо-вибору","Рекомендації щодо вибору",[5266,44962,44963],{},[5229,44964,11444,44965,7922,44967,44969],{},[5204,44966,5206],{},[5204,44968,5210],{},", коли:",[5194,44971,44972,44975,44978,44981],{},[5197,44973,44974],{},"Потрібна максимальна продуктивність (high-frequency trading, real-time systems)",[5197,44976,44977],{},"Складні аналітичні запити, оконні функції, CTE",[5197,44979,44980],{},"Критичні системи (фінанси, платежі)",[5197,44982,44983],{},"Команда має сильні SQL-навички",[5266,44985,44986],{},[5229,44987,11444,44988,44969],{},[5204,44989,5873],{},[5194,44991,44992,44995,44998,45001],{},[5197,44993,44994],{},"Хочете зручність без overhead ORM",[5197,44996,44997],{},"Пишете багато SQL вручну",[5197,44999,45000],{},"Потрібен контроль над запитами, але без шаблонного коду",[5197,45002,45003],{},"Середні проєкти (10-100k LOC)",[5266,45005,45006],{},[5229,45007,11444,45008,44969],{},[5204,45009,10732],{},[5194,45011,45012,45015,45018,45021,45024,45027],{},[5197,45013,45014],{},"Швидка розробка (MVP, прототипи, стартапи)",[5197,45016,45017],{},"Багато стандартних CRUD операцій",[5197,45019,45020],{},"Складні зв'язки між таблицями",[5197,45022,45023],{},"Команда менш досвідчена у SQL",[5197,45025,45026],{},"Потрібна портативність між СУБД",[5197,45028,45029],{},"Великі проєкти з багатьма моделями (100+ таблиць)",[5266,45031,45032],{},[5229,45033,45034],{},"Гібридний підхід (рекомендовано):",[5379,45036,45038],{"className":6376,"code":45037,"language":6232,"meta":5384,"style":5384},"\u002F\u002F Використовуйте GORM для 80% операцій\ndb.Where(\"status = ?\", \"active\").Preload(\"Posts\").Find(&users)\n\n\u002F\u002F Складні запити через Raw SQL\ndb.Raw(`\n    WITH ranked_users AS (\n        SELECT u.*, ROW_NUMBER() OVER (PARTITION BY city ORDER BY score DESC) as rank\n        FROM users u\n    )\n    SELECT * FROM ranked_users WHERE rank \u003C= 10\n`).Scan(&topUsers)\n\n\u002F\u002F Критичні операції через чистий database\u002Fsql\nsqlDB, _ := db.DB()\ntx, _ := sqlDB.Begin()\n\u002F\u002F ... низькорівневі операції\ntx.Commit()\n",[5204,45039,45040,45045,45079,45083,45088,45100,45105,45110,45115,45119,45124,45139,45143,45148,45166,45184,45189],{"__ignoreMap":5384},[5388,45041,45042],{"class":5390,"line":5391},[5388,45043,45044],{"class":5936},"\u002F\u002F Використовуйте GORM для 80% операцій\n",[5388,45046,45047,45049,45051,45053,45055,45057,45059,45061,45063,45065,45067,45069,45071,45073,45075,45077],{"class":5390,"line":5397},[5388,45048,6629],{"class":6384},[5388,45050,5555],{"class":5946},[5388,45052,14187],{"class":6086},[5388,45054,6399],{"class":5946},[5388,45056,22428],{"class":6038},[5388,45058,5603],{"class":5946},[5388,45060,21908],{"class":6038},[5388,45062,5827],{"class":5946},[5388,45064,14837],{"class":6086},[5388,45066,6399],{"class":5946},[5388,45068,15009],{"class":6038},[5388,45070,5827],{"class":5946},[5388,45072,14239],{"class":6086},[5388,45074,7742],{"class":5946},[5388,45076,8643],{"class":6384},[5388,45078,6405],{"class":5946},[5388,45080,45081],{"class":5390,"line":5403},[5388,45082,5413],{"emptyLinePlaceholder":5412},[5388,45084,45085],{"class":5390,"line":5409},[5388,45086,45087],{"class":5936},"\u002F\u002F Складні запити через Raw SQL\n",[5388,45089,45090,45092,45094,45096,45098],{"class":5390,"line":5416},[5388,45091,6629],{"class":6384},[5388,45093,5555],{"class":5946},[5388,45095,20901],{"class":6086},[5388,45097,6399],{"class":5946},[5388,45099,7061],{"class":6038},[5388,45101,45102],{"class":5390,"line":5422},[5388,45103,45104],{"class":6038},"    WITH ranked_users AS (\n",[5388,45106,45107],{"class":5390,"line":5428},[5388,45108,45109],{"class":6038},"        SELECT u.*, ROW_NUMBER() OVER (PARTITION BY city ORDER BY score DESC) as rank\n",[5388,45111,45112],{"class":5390,"line":5434},[5388,45113,45114],{"class":6038},"        FROM users u\n",[5388,45116,45117],{"class":5390,"line":5439},[5388,45118,8180],{"class":6038},[5388,45120,45121],{"class":5390,"line":5445},[5388,45122,45123],{"class":6038},"    SELECT * FROM ranked_users WHERE rank \u003C= 10\n",[5388,45125,45126,45128,45130,45132,45134,45137],{"class":5390,"line":5451},[5388,45127,32618],{"class":6038},[5388,45129,5827],{"class":5946},[5388,45131,7739],{"class":6086},[5388,45133,7742],{"class":5946},[5388,45135,45136],{"class":6384},"topUsers",[5388,45138,6405],{"class":5946},[5388,45140,45141],{"class":5390,"line":5456},[5388,45142,5413],{"emptyLinePlaceholder":5412},[5388,45144,45145],{"class":5390,"line":5462},[5388,45146,45147],{"class":5936},"\u002F\u002F Критичні операції через чистий database\u002Fsql\n",[5388,45149,45150,45152,45154,45156,45158,45160,45162,45164],{"class":5390,"line":5468},[5388,45151,44305],{"class":6384},[5388,45153,5603],{"class":5946},[5388,45155,6712],{"class":6384},[5388,45157,6388],{"class":5946},[5388,45159,6629],{"class":6384},[5388,45161,5555],{"class":5946},[5388,45163,7043],{"class":6086},[5388,45165,6609],{"class":5946},[5388,45167,45168,45170,45172,45174,45176,45178,45180,45182],{"class":5390,"line":5474},[5388,45169,11134],{"class":6384},[5388,45171,5603],{"class":5946},[5388,45173,6712],{"class":6384},[5388,45175,6388],{"class":5946},[5388,45177,44305],{"class":6384},[5388,45179,5555],{"class":5946},[5388,45181,34257],{"class":6086},[5388,45183,6609],{"class":5946},[5388,45185,45186],{"class":5390,"line":5480},[5388,45187,45188],{"class":5936},"\u002F\u002F ... низькорівневі 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