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{"version":3,"sources":["../../src/driver/Driver.ts"],"names":[],"mappings":"","file":"Driver.js","sourcesContent":["import { QueryRunner } from \"../query-runner/QueryRunner\"\nimport { ColumnMetadata } from \"../metadata/ColumnMetadata\"\nimport { ObjectLiteral } from \"../common/ObjectLiteral\"\nimport { ColumnType } from \"./types/ColumnTypes\"\nimport { CteCapabilities } from \"./types/CteCapabilities\"\nimport { MappedColumnTypes } from \"./types/MappedColumnTypes\"\nimport { SchemaBuilder } from \"../schema-builder/SchemaBuilder\"\nimport { DataTypeDefaults } from \"./types/DataTypeDefaults\"\nimport { BaseDataSourceOptions } from \"../data-source/BaseDataSourceOptions\"\nimport { TableColumn } from \"../schema-builder/table/TableColumn\"\nimport { EntityMetadata } from \"../metadata/EntityMetadata\"\nimport { ReplicationMode } from \"./types/ReplicationMode\"\nimport { Table } from \"../schema-builder/table/Table\"\nimport { View } from \"../schema-builder/view/View\"\nimport { TableForeignKey } from \"../schema-builder/table/TableForeignKey\"\nimport { UpsertType } from \"./types/UpsertType\"\nimport { OnDeleteType } from \"../metadata/types/OnDeleteType\"\nimport { OnUpdateType } from \"../metadata/types/OnUpdateType\"\n\nexport type ReturningType = \"insert\" | \"update\" | \"delete\"\n\n/**\n * Driver organizes TypeORM communication with specific database management system.\n */\nexport interface Driver {\n /**\n * Connection options.\n */\n options: BaseDataSourceOptions\n\n /**\n * Database version/release. Often requires a SQL query to the DB, so it is not always set\n */\n version?: string\n\n /**\n * Database name used to perform all write queries.\n *\n * todo: probably move into query runner.\n */\n database?: string\n\n /**\n * Schema name used to perform all write queries.\n */\n schema?: string\n\n /**\n * Indicates if replication is enabled.\n */\n isReplicated: boolean\n\n /**\n * Indicates if tree tables are supported by this driver.\n */\n treeSupport: boolean\n\n /**\n * Represent transaction support by this driver\n */\n transactionSupport: \"simple\" | \"nested\" | \"none\"\n\n /**\n * Gets list of supported column data types by a driver.\n */\n supportedDataTypes: ColumnType[]\n\n /**\n * Returns type of upsert supported by driver if any\n */\n supportedUpsertTypes: UpsertType[]\n\n /**\n * Returns list of supported onDelete types by driver\n */\n supportedOnDeleteTypes?: OnDeleteType[]\n\n /**\n * Returns list of supported onUpdate types by driver\n */\n supportedOnUpdateTypes?: OnUpdateType[]\n\n /**\n * Default values of length, precision and scale depends on column data type.\n * Used in the cases when length/precision/scale is not specified by user.\n */\n dataTypeDefaults: DataTypeDefaults\n\n /**\n * Gets list of spatial column data types.\n */\n spatialTypes: ColumnType[]\n\n /**\n * Gets list of column data types that support length by a driver.\n */\n withLengthColumnTypes: ColumnType[]\n\n /**\n * Gets list of column data types that support precision by a driver.\n */\n withPrecisionColumnTypes: ColumnType[]\n\n /**\n * Gets list of column data types that support scale by a driver.\n */\n withScaleColumnTypes: ColumnType[]\n\n /**\n * Orm has special columns and we need to know what database column types should be for those types.\n * Column types are driver dependant.\n */\n mappedDataTypes: MappedColumnTypes\n\n /**\n * The prefix used for the parameters\n */\n parametersPrefix?: string\n\n /**\n * Max length allowed by the DBMS for aliases (execution of queries).\n */\n maxAliasLength?: number\n\n cteCapabilities: CteCapabilities\n\n /**\n * Dummy table name\n */\n dummyTableName?: string\n\n /**\n * Performs connection to the database.\n * Depend on driver type it may create a connection pool.\n */\n connect(): Promise<void>\n\n /**\n * Makes any action after connection (e.g. create extensions in Postgres driver).\n */\n afterConnect(): Promise<void>\n\n /**\n * Closes connection with database and releases all resources.\n */\n disconnect(): Promise<void>\n\n /**\n * Synchronizes database schema (creates tables, indices, etc).\n */\n createSchemaBuilder(): SchemaBuilder\n\n /**\n * Creates a query runner used for common queries.\n */\n createQueryRunner(mode: ReplicationMode): QueryRunner\n\n /**\n * Replaces parameters in the given sql with special escaping character\n * and an array of parameter names to be passed to a query.\n */\n escapeQueryWithParameters(\n sql: string,\n parameters: ObjectLiteral,\n nativeParameters: ObjectLiteral,\n ): [string, any[]]\n\n /**\n * Escapes a table name, column name or an alias.\n *\n * todo: probably escape should be able to handle dots in the names and automatically escape them\n */\n escape(name: string): string\n\n /**\n * Build full table name with database name, schema name and table name.\n * E.g. myDB.mySchema.myTable\n */\n buildTableName(\n tableName: string,\n schema?: string,\n database?: string,\n ): string\n\n /**\n * Parse a target table name or other types and return a normalized table definition.\n */\n parseTableName(\n target: EntityMetadata | Table | View | TableForeignKey | string,\n ): { tableName: string; schema?: string; database?: string }\n\n /**\n * Prepares given value to a value to be persisted, based on its column type and metadata.\n */\n preparePersistentValue(value: any, column: ColumnMetadata): any\n\n /**\n * Prepares given value to a value to be persisted, based on its column type.\n */\n prepareHydratedValue(value: any, column: ColumnMetadata): any\n\n /**\n * Transforms type of the given column to a database column type.\n */\n normalizeType(column: {\n type?: ColumnType | string\n length?: number | string\n precision?: number | null\n scale?: number\n isArray?: boolean\n }): string\n\n /**\n * Normalizes \"default\" value of the column.\n */\n normalizeDefault(columnMetadata: ColumnMetadata): string | undefined\n\n /**\n * Normalizes \"isUnique\" value of the column.\n */\n normalizeIsUnique(column: ColumnMetadata): boolean\n\n /**\n * Calculates column length taking into account the default length values.\n */\n getColumnLength(column: ColumnMetadata): string\n\n /**\n * Normalizes \"default\" value of the column.\n */\n createFullType(column: TableColumn): string\n\n /**\n * Obtains a new database connection to a master server.\n * Used for replication.\n * If replication is not setup then returns default connection's database connection.\n */\n obtainMasterConnection(): Promise<any>\n\n /**\n * Obtains a new database connection to a slave server.\n * Used for replication.\n * If replication is not setup then returns master (default) connection's database connection.\n */\n obtainSlaveConnection(): Promise<any>\n\n /**\n * Creates generated map of values generated or returned by database after INSERT query.\n */\n createGeneratedMap(\n metadata: EntityMetadata,\n insertResult: any,\n entityIndex?: number,\n entityNum?: number,\n ): ObjectLiteral | undefined\n\n /**\n * Differentiate columns of this table and columns from the given column metadatas columns\n * and returns only changed.\n */\n findChangedColumns(\n tableColumns: TableColumn[],\n columnMetadatas: ColumnMetadata[],\n ): ColumnMetadata[]\n\n /**\n * Returns true if driver supports RETURNING / OUTPUT statement.\n */\n isReturningSqlSupported(returningType: ReturningType): boolean\n\n /**\n * Returns true if driver supports uuid values generation on its own.\n */\n isUUIDGenerationSupported(): boolean\n\n /**\n * Returns true if driver supports fulltext indices.\n */\n isFullTextColumnTypeSupported(): boolean\n\n /**\n * Creates an escaped parameter.\n */\n createParameter(parameterName: string, index: number): string\n}\n"],"sourceRoot":".."}