@fxjs/db-driver/lib/built-ins/driver-mysql.js

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/// <reference types="fib-pool" />
Object.defineProperty(exports, "__esModule", { value: true });
const db = require("db");
const base_class_1 = require("./base.class");
const utils_1 = require("../utils");
class MySQLDriver extends base_class_1.SQLDriver {
    constructor(conn) {
        super(conn);
        this.connection = null;
    }
    switchDb(targetDb) {
        this.execute(`use \`${targetDb}\``);
        this.currentDb = targetDb;
    }
    open() { return super.open(); }
    close() {
        if (this.connection)
            this.connection.close();
    }
    ping() { return; }
    begin() { return this.connection.begin(); }
    commit() { return this.connection.commit(); }
    trans(cb) { return this.connection.trans(cb); }
    rollback() { return this.connection.rollback(); }
    getConnection() { return db.openMySQL(this.uri); }
    dbExists(dbname) {
        return this.execute(`SELECT SCHEMA_NAME FROM INFORMATION_SCHEMA.SCHEMATA WHERE SCHEMA_NAME = '${dbname}'`).length > 0;
    }
    execute(sql) {
        if (this.extend_config.debug_sql) {
            (0, utils_1.logDebugSQL)('mysql', sql);
        }
        if (this.isPool)
            return this.pool(conn => conn.execute(sql));
        if (!this.connection)
            this.open();
        return this.connection.execute(sql);
    }
}
exports.default = MySQLDriver;