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database/dialect/querier.go
25 строк
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Michael Fridman
Expose dialect Querier (#939)
25 май 2025, 21:29
Не верифицирован
25 май 2025, 21:29
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package dialect // Querier is the interface that wraps the basic methods to create a dialect specific query. // // It is intended tio be using with [database.NewStoreFromQuerier] to create a new [database.Store] // implementation based on a custom querier. type Querier interface { // CreateTable returns the SQL query string to create the db version table. CreateTable(tableName string) string // InsertVersion returns the SQL query string to insert a new version into the db version table. InsertVersion(tableName string) string // DeleteVersion returns the SQL query string to delete a version from the db version table. DeleteVersion(tableName string) string // GetMigrationByVersion returns the SQL query string to get a single migration by version. // // The query should return the timestamp and is_applied columns. GetMigrationByVersion(tableName string) string // ListMigrations returns the SQL query string to list all migrations in descending order by id. // // The query should return the version_id and is_applied columns. ListMigrations(tableName string) string // GetLatestVersion returns the SQL query string to get the last version_id from the db version // table. Returns a nullable int64 value. GetLatestVersion(tableName string) string }