@mikro-orm/migrations/Migration.js

TypeScript ORM for Node.js based on Data Mapper, Unit of Work and Identity Map patterns. Supports MongoDB, MySQL, PostgreSQL and SQLite databases as well as usage with vanilla JavaScript.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.Migration = void 0;
class Migration {
    driver;
    config;
    queries = [];
    ctx;
    em;
    constructor(driver, config) {
        this.driver = driver;
        this.config = config;
    }
    down() {
        throw new Error('This migration cannot be reverted');
    }
    isTransactional() {
        return true;
    }
    addSql(sql) {
        this.queries.push(sql);
    }
    reset() {
        this.queries.length = 0;
        this.ctx = undefined;
    }
    setTransactionContext(ctx) {
        this.ctx = ctx;
    }
    /**
     * Executes a raw SQL query. Accepts a string SQL or a knex query builder instance.
     * The `params` parameter is respected only if you use string SQL in the first parameter.
     */
    async execute(sql, params) {
        return this.driver.execute(sql, params, 'all', this.ctx);
    }
    getKnex() {
        return this.driver.getConnection('write').getKnex();
    }
    /**
     * Creates a cached `EntityManager` instance for this migration, which will respect
     * the current transaction context.
     */
    getEntityManager() {
        if (!this.em) {
            this.em = this.driver.createEntityManager();
            this.em.setTransactionContext(this.ctx);
        }
        return this.em;
    }
    getQueries() {
        return this.queries;
    }
}
exports.Migration = Migration;