72 lines
1.4 KiB
JavaScript
72 lines
1.4 KiB
JavaScript
/*!
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* cnpmjs.org - common/mysql.js
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*
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* Copyright(c) cnpmjs.org and other contributors.
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* MIT Licensed
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*
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* Authors:
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* dead_horse <dead_horse@qq.com>
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* fengmk2 <fengmk2@gmail.com> (http://fengmk2.github.com)
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*/
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'use strict';
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/**
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* Module dependencies.
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*/
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var ready = require('ready');
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var mysql = require('mysql');
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var config = require('../config');
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var server = config.mysqlServers[0];
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// TODO: query timeout
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var pool = mysql.createPool({
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host: server.host,
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port: server.port,
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user: server.user,
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password: server.password,
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database: config.mysqlDatabase,
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connectionLimit: config.mysqlMaxConnections,
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multipleStatements: true,
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});
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exports.pool = pool;
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exports.query = function (sql, values, cb) {
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pool.query(sql, values, cb);
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};
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exports.queryOne = function (sql, values, cb) {
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if (typeof values === 'function') {
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cb = values;
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values = null;
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}
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exports.query(sql, values, function (err, rows) {
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if (rows) {
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rows = rows[0];
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}
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cb(err, rows);
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});
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};
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exports.escape = function (val) {
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return pool.escape(val);
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};
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ready(exports);
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function init() {
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exports.query('show tables', function (err, rows) {
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if (err) {
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console.error('[%s] [worker:%s] mysql init error: %s', Date(), process.pid, err);
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setTimeout(init, 1000);
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return;
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}
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console.log('[%s] [worker:%s] mysql ready, got %d tables', Date(), process.pid, rows.length);
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exports.ready(true);
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});
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}
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init();
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