node-query/lib/adapters/Mysql.js

47 lines
1.1 KiB
JavaScript

'use strict';
const Adapter = require('../Adapter');
const getArgs = require('getargs');
const promisify = require('../promisify');
const mysql2 = require('mysql2');
class Mysql extends Adapter {
constructor(config) {
let instance = mysql2.createConnection(config);
instance.connect(err => {
if (err) {
throw new Error(err);
}
});
super(instance);
}
/**
* Run the sql query as a prepared statement
*
* @param {String} sql - The sql with placeholders
* @param {Array} params - The values to insert into the query
* @param {Function} [callback] - Callback to run when a response is recieved
* @return {void|Promise} - Returns a promise if no callback is provided
*/
execute(/*sql, params, callback*/) {
let args = getArgs('sql:string, [params]:array, [callback]:function', arguments);
if (! args.callback) {
return new Promise((resolve, reject) => {
this.instance.execute(args.sql, args.params, (err, result) => {
if (err) {
return reject(err);
}
return resolve(result);
});
});
}
return this.instance.execute(args.sql, args.params, args.callback);
}
}
module.exports = Mysql;