Timothy J Warren
7fbbff41c8
Start work of using promises to wrap connections and removing old callback api.
54 lines
1.3 KiB
JavaScript
54 lines
1.3 KiB
JavaScript
'use strict';
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const Adapter = require('../Adapter');
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const Result = require('../Result');
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const helpers = require('../helpers');
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const getArgs = require('getargs');
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const mysql2 = require('mysql2/promise');
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class Mysql extends Adapter {
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constructor (config) {
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const instance = mysql2.createConnection(config);
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super(instance);
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}
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/**
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* Transform the adapter's result into a standard format
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*
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* @param {*} result - original driver result object
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* @return {Result} - standard result object
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*/
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transformResult (result) {
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// For insert and update queries, the result object
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// works differently. Just apply the properties of
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// this special result to the standard result object.
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if (helpers.type(result) === 'object') {
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let r = new Result();
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Object.keys(result).forEach(key => {
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r[key] = result[key];
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});
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return r;
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}
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return new Result(result);
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}
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/**
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* Run the sql query as a prepared statement
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*
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* @param {String} sql - The sql with placeholders
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* @param {Array|undefined} params - The values to insert into the query
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* @return {Promise}
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*/
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execute (sql, params) {
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return this.instance.then(conn => {
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return conn.execute(sql, params);
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}).then(result => this.transformResult(result));
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}
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}
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module.exports = Mysql;
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