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sequelize

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Sequelize is a promise-based Node.js ORM tool for Postgres, MySQL, MariaDB, SQLite, Microsoft SQL Server, Amazon Redshift and Snowflake’s Data Cloud. It features solid transaction support, relations, eager and lazy loading, read replication and more.

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import { DataType } from './data-types'; import { Logging, Model, ModelAttributeColumnOptions, ModelAttributes, Transactionable, WhereOptions, Filterable, Poolable, ModelCtor, ModelStatic, ModelType } from './model'; import QueryTypes = require('./query-types'); import { Sequelize, RetryOptions } from './sequelize'; import { Transaction } from './transaction'; import { SetRequired } from './../type-helpers/set-required'; import { Fn, Literal } from './utils'; import { Deferrable } from './deferrable'; type BindOrReplacements = { [key: string]: unknown } | unknown[]; type FieldMap = { [key: string]: string }; /** * Interface for query options */ export interface QueryOptions extends Logging, Transactionable, Poolable { /** * If true, sequelize will not try to format the results of the query, or build an instance of a model from * the result */ raw?: boolean; /** * The type of query you are executing. The query type affects how results are formatted before they are * passed back. The type is a string, but `Sequelize.QueryTypes` is provided as convenience shortcuts. */ type?: string; /** * If true, transforms objects with `.` separated property names into nested objects using * [dottie.js](https://github.com/mickhansen/dottie.js). For example { 'user.username': 'john' } becomes * { user: { username: 'john' }}. When `nest` is true, the query type is assumed to be `'SELECT'`, * unless otherwise specified * * @default false */ nest?: boolean; /** * Sets the query type to `SELECT` and return a single row */ plain?: boolean; /** * Either an object of named parameter replacements in the format `:param` or an array of unnamed * replacements to replace `?` in your SQL. */ replacements?: BindOrReplacements; /** * Either an object of named parameter bindings in the format `$param` or an array of unnamed * values to bind to `$1`, `$2`, etc in your SQL. */ bind?: BindOrReplacements; /** * A sequelize instance used to build the return instance */ instance?: Model; /** * Map returned fields to model's fields if `options.model` or `options.instance` is present. * Mapping will occur before building the model instance. */ mapToModel?: boolean; retry?: RetryOptions; /** * Map returned fields to arbitrary names for SELECT query type if `options.fieldMaps` is present. */ fieldMap?: FieldMap; } export interface QueryOptionsWithWhere extends QueryOptions, Filterable<any> { } export interface QueryOptionsWithModel<M extends Model> extends QueryOptions { /** * A sequelize model used to build the returned model instances (used to be called callee) */ model: ModelStatic<M>; } export interface QueryOptionsWithType<T extends QueryTypes> extends QueryOptions { /** * The type of query you are executing. The query type affects how results are formatted before they are * passed back. The type is a string, but `Sequelize.QueryTypes` is provided as convenience shortcuts. */ type: T; } export interface QueryOptionsWithForce extends QueryOptions { force?: boolean; } /** * Most of the methods accept options and use only the logger property of the options. That's why the most used * interface type for options in a method is separated here as another interface. */ export interface QueryInterfaceOptions extends Logging, Transactionable {} export interface CollateCharsetOptions { collate?: string; charset?: string; } export interface QueryInterfaceCreateTableOptions extends QueryInterfaceOptions, CollateCharsetOptions { engine?: string; /** * Used for compound unique keys. */ uniqueKeys?: { [keyName: string]: { fields: string[]; customIndex?: boolean; }; }; } export interface QueryInterfaceDropTableOptions extends QueryInterfaceOptions { cascade?: boolean; force?: boolean; } export interface QueryInterfaceDropAllTablesOptions extends QueryInterfaceOptions { skip?: string[]; } export interface TableNameWithSchema { tableName: string; schema?: string; delimiter?: string; as?: string; name?: string; } export type TableName = string | TableNameWithSchema; export type IndexType = 'UNIQUE' | 'FULLTEXT' | 'SPATIAL'; export type IndexMethod = 'BTREE' | 'HASH' | 'GIST' | 'SPGIST' | 'GIN' | 'BRIN' | string; export interface IndexesOptions { /** * The name of the index. Defaults to model name + _ + fields concatenated */ name?: string; /** For FULLTEXT columns set your parser */ parser?: string | null; /** * Index type. Only used by mysql. One of `UNIQUE`, `FULLTEXT` and `SPATIAL` */ type?: IndexType; /** * Should the index by unique? Can also be triggered by setting type to `UNIQUE` * * @default false */ unique?: boolean; /** * PostgreSQL will build the index without taking any write locks. Postgres only * * @default false */ concurrently?: boolean; /** * An array of the fields to index. Each field can either be a string containing the name of the field, * a sequelize object (e.g `sequelize.fn`), or an object with the following attributes: `name` * (field name), `length` (create a prefix index of length chars), `order` (the direction the column * should be sorted in), `collate` (the collation (sort order) for the column), `operator` (likes IndexesOptions['operator']) */ fields?: (string | { name: string; length?: number; order?: 'ASC' | 'DESC'; collate?: string; operator?: string } | Fn | Literal)[]; /** * The method to create the index by (`USING` statement in SQL). BTREE and HASH are supported by mysql and * postgres, and postgres additionally supports GIST, SPGIST, BRIN and GIN. */ using?: IndexMethod; /** * Index operator type. Postgres only */ operator?: string; /** * Optional where parameter for index. Can be used to limit the index to certain rows. */ where?: WhereOptions<any>; /** * Prefix to append to the index name. */ prefix?: string; } export interface QueryInterfaceIndexOptions extends IndexesOptions, QueryInterfaceOptions {} export interface BaseConstraintOptions { name?: string; fields: string[]; } export interface AddUniqueConstraintOptions extends BaseConstraintOptions { type: 'unique'; deferrable?: Deferrable; } export interface AddDefaultConstraintOptions extends BaseConstraintOptions { type: 'default'; defaultValue?: unknown; } export interface AddCheckConstraintOptions extends BaseConstraintOptions { type: 'check'; where?: WhereOptions<any>; } export interface AddPrimaryKeyConstraintOptions extends BaseConstraintOptions { type: 'primary key'; deferrable?: Deferrable; } export interface AddForeignKeyConstraintOptions extends BaseConstraintOptions { type: 'foreign key'; references?: { table: TableName; field: string; }; onDelete: string; onUpdate: string; deferrable?: Deferrable; } export type AddConstraintOptions = | AddUniqueConstraintOptions | AddDefaultConstraintOptions | AddCheckConstraintOptions | AddPrimaryKeyConstraintOptions | AddForeignKeyConstraintOptions; export interface CreateDatabaseOptions extends CollateCharsetOptions, QueryOptions { encoding?: string; } export interface FunctionParam { type: string; name?: string; direction?: string; } export interface ColumnDescription { type: string; allowNull: boolean; defaultValue: string; primaryKey: boolean; autoIncrement: boolean; comment: string | null; } export interface ColumnsDescription { [key: string]: ColumnDescription; } /** * The interface that Sequelize uses to talk to all databases. * * This interface is available through sequelize.queryInterface. It should not be commonly used, but it's * referenced anyway, so it can be used. */ export class QueryInterface { /** * Returns the dialect-specific sql generator. * * We don't have a definition for the QueryGenerator, because I doubt it is commonly in use separately. */ public queryGenerator: unknown; /** * Returns the current sequelize instance. */ public sequelize: Sequelize; constructor(sequelize: Sequelize); /** * Queries the schema (table list). * * @param schema The schema to query. Applies only to Postgres. */ public createSchema(schema?: string, options?: QueryInterfaceOptions): Promise<void>; /** * Drops the specified schema (table). * * @param schema The schema to query. Applies only to Postgres. */ public dropSchema(schema?: string, options?: QueryInterfaceOptions): Promise<void>; /** * Drops all tables. */ public dropAllSchemas(options?: QueryInterfaceDropAllTablesOptions): Promise<void>; /** * Queries all table names in the database. * * @param options */ public showAllSchemas(options?: QueryOptions): Promise<object>; /** * Return database version */ public databaseVersion(options?: QueryInterfaceOptions): Promise<string>; /** * Creates a table with specified attributes. * * @param tableName Name of table to create * @param attributes Hash of attributes, key is attribute name, value is data type * @param options Table options. */ public createTable<M extends Model>( tableName: TableName, attributes: ModelAttributes<M, M['_creationAttributes']>, options?: QueryInterfaceCreateTableOptions ): Promise<void>; /** * Drops the specified table. * * @param tableName Table name. * @param options Query options, particularly "force". */ public dropTable(tableName: TableName, options?: QueryInterfaceDropTableOptions): Promise<void>; /** * Drops all tables. * * @param options */ public dropAllTables(options?: QueryInterfaceDropAllTablesOptions): Promise<void>; /** * Drops all defined enums * * @param options */ public dropAllEnums(options?: QueryOptions): Promise<void>; /** * Renames a table */ public renameTable(before: TableName, after: TableName, options?: QueryInterfaceOptions): Promise<void>; /** * Returns all tables */ public showAllTables(options?: QueryOptions): Promise<string[]>; /** * Describe a table */ public describeTable( tableName: TableName, options?: string | { schema?: string; schemaDelimiter?: string } & Logging ): Promise<ColumnsDescription>; /** * Adds a new column to a table */ public addColumn( table: TableName, key: string, attribute: ModelAttributeColumnOptions | DataType, options?: QueryInterfaceOptions ): Promise<void>; /** * Removes a column from a table */ public removeColumn( table: TableName, attribute: string, options?: QueryInterfaceOptions ): Promise<void>; /** * Changes a column */ public changeColumn( tableName: TableName, attributeName: string, dataTypeOrOptions?: DataType | ModelAttributeColumnOptions, options?: QueryInterfaceOptions ): Promise<void>; /** * Renames a column */ public renameColumn( tableName: TableName, attrNameBefore: string, attrNameAfter: string, options?: QueryInterfaceOptions ): Promise<void>; /** * Adds a new index to a table */ public addIndex( tableName: TableName, attributes: string[], options?: QueryInterfaceIndexOptions, rawTablename?: string ): Promise<void>; public addIndex( tableName: TableName, options: SetRequired<QueryInterfaceIndexOptions, 'fields'>, rawTablename?: string ): Promise<void>; /** * Removes an index of a table */ public removeIndex(tableName: TableName, indexName: string, options?: QueryInterfaceIndexOptions): Promise<void>; public removeIndex(tableName: TableName, attributes: string[], options?: QueryInterfaceIndexOptions): Promise<void>; /** * Adds constraints to a table */ public addConstraint( tableName: TableName, options?: AddConstraintOptions & QueryInterfaceOptions ): Promise<void>; /** * Removes constraints from a table */ public removeConstraint(tableName: TableName, constraintName: string, options?: QueryInterfaceOptions): Promise<void>; /** * Shows the index of a table */ public showIndex(tableName: string | object, options?: QueryOptions): Promise<object>; /** * Put a name to an index */ public nameIndexes(indexes: string[], rawTablename: string): Promise<void>; /** * Returns all foreign key constraints of requested tables */ public getForeignKeysForTables(tableNames: string[], options?: QueryInterfaceOptions): Promise<object>; /** * Get foreign key references details for the table */ public getForeignKeyReferencesForTable(tableName: TableName, options?: QueryInterfaceOptions): Promise<object>; /** * Inserts a new record */ public insert(instance: Model | null, tableName: string, values: object, options?: QueryOptions): Promise<object>; /** * Inserts or Updates a record in the database */ public upsert( tableName: TableName, insertValues: object, updateValues: object, where: object, model: ModelType, options?: QueryOptions ): Promise<object>; /** * Inserts multiple records at once */ public bulkInsert( tableName: TableName, records: object[], options?: QueryOptions, attributes?: string[] | string ): Promise<object | number>; /** * Updates a row */ public update<M extends Model>( instance: M, tableName: TableName, values: object, identifier: WhereOptions<M['_attributes']>, options?: QueryOptions ): Promise<object>; /** * Updates multiple rows at once */ public bulkUpdate( tableName: TableName, values: object, identifier: WhereOptions<any>, options?: QueryOptions, attributes?: string[] | string ): Promise<object>; /** * Deletes a row */ public delete( instance: Model | null, tableName: TableName, identifier: WhereOptions<any>, options?: QueryOptions ): Promise<object>; /** * Deletes multiple rows at once */ public bulkDelete( tableName: TableName, identifier: WhereOptions<any>, options?: QueryOptions, model?: ModelType ): Promise<object>; /** * Returns selected rows */ public select(model: ModelType | null, tableName: TableName, options?: QueryOptionsWithWhere): Promise<object[]>; /** * Increments a row value */ public increment<M extends Model>( instance: Model, tableName: TableName, values: object, identifier: WhereOptions<M['_attributes']>, options?: QueryOptions ): Promise<object>; /** * Selects raw without parsing the string into an object */ public rawSelect( tableName: TableName, options: QueryOptionsWithWhere, attributeSelector: string | string[], model?: ModelType ): Promise<string[]>; /** * Postgres only. Creates a trigger on specified table to call the specified function with supplied * parameters. */ public createTrigger( tableName: TableName, triggerName: string, timingType: string, fireOnArray: { [key: string]: unknown; }[], functionName: string, functionParams: FunctionParam[], optionsArray: string[], options?: QueryInterfaceOptions ): Promise<void>; /** * Postgres only. Drops the specified trigger. */ public dropTrigger(tableName: TableName, triggerName: string, options?: QueryInterfaceOptions): Promise<void>; /** * Postgres only. Renames a trigger */ public renameTrigger( tableName: TableName, oldTriggerName: string, newTriggerName: string, options?: QueryInterfaceOptions ): Promise<void>; /** * Postgres only. Create a function */ public createFunction( functionName: string, params: FunctionParam[], returnType: string, language: string, body: string, optionsArray?: string[], options?: QueryOptionsWithForce ): Promise<void>; /** * Postgres only. Drops a function */ public dropFunction(functionName: string, params: FunctionParam[], options?: QueryInterfaceOptions): Promise<void>; /** * Postgres only. Rename a function */ public renameFunction( oldFunctionName: string, params: FunctionParam[], newFunctionName: string, options?: QueryInterfaceOptions ): Promise<void>; /** * Escape a table name */ public quoteTable(identifier: TableName): string; /** * Escape an identifier (e.g. a table or attribute name). If force is true, the identifier will be quoted * even if the `quoteIdentifiers` option is false. */ public quoteIdentifier(identifier: string, force?: boolean): string; /** * Split an identifier into .-separated tokens and quote each part. */ public quoteIdentifiers(identifiers: string): string; /** * Escape a value (e.g. a string, number or date) */ public escape(value?: string | number | Date): string; /** * Set option for autocommit of a transaction */ public setAutocommit(transaction: Transaction, value: boolean, options?: QueryOptions): Promise<void>; /** * Set the isolation level of a transaction */ public setIsolationLevel(transaction: Transaction, value: string, options?: QueryOptions): Promise<void>; /** * Begin a new transaction */ public startTransaction(transaction: Transaction, options?: QueryOptions): Promise<void>; /** * Defer constraints */ public deferConstraints(transaction: Transaction, options?: QueryOptions): Promise<void>; /** * Commit an already started transaction */ public commitTransaction(transaction: Transaction, options?: QueryOptions): Promise<void>; /** * Rollback ( revert ) a transaction that has'nt been commited */ public rollbackTransaction(transaction: Transaction, options?: QueryOptions): Promise<void>; /** * Creates a database */ public createDatabase(name: string, options?: CreateDatabaseOptions): Promise<void>; /** * Creates a database */ public dropDatabase(name: string, options?: QueryOptions): Promise<void>; }