easy mysql_GitHub - aleafs/easymysql: mysql client in cluster, based on node-mysql
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About
easymysql 基于node-mysql 開發而來，提供一個簡單、高可用的mysql連接基礎庫。主要特性如下：
支持query超時控制；
可控制的連接池支持，SQL總是盡可能早地被 可用的 空閑連接搶到并執行；
支持master-slave模式，基于SHOW VARIABLES LIKE 'READ_ONLY'方式自動判斷主庫和從庫，運行期間自動感知主從切換；
即將支持事務。
Install
$ npm install easymysql
Usage
var Client = require('easymysql');
var mysql = Client.create({
'maxconnections' : 10
});
mysql.addserver({
'host' : '127.0.0.1',
'user' : 'write_user',
'password' : ''
});
mysql.addserver({
'host' : '127.0.0.1',
'user' : 'read_user',
'password' : ''
});
mysql.on('busy', function (queuesize, maxconnections, which) {
// XXX: write log and monitor it
});
mysql.query('SHOW DATABASES', function (error, res) {
console.log(res);
});
// bind params
mysql.query({
sql: 'select * from user where user =:user',
params: {user: 'xxoo'}
}, function (err, rows) {
console.log(rows);
});
Contributors
project: easymysql
commits: 161
files : 16
authors:
135aleafs 83.9%
21zhaolei 13.0%
4tangyao 2.5%
1紫胤 0.6%
License
(The MIT License)
Copyright (c) 2012 aleafs and other easymysql contributors
Permission is hereby granted, free of charge, to any person obtaining
a copy of this software and associated documentation files (the
'Software'), to deal in the Software without restriction, including
without limitation the rights to use, copy, modify, merge, publish,
distribute, sublicense, and/or sell copies of the Software, and to
permit persons to whom the Software is furnished to do so, subject to
the following conditions:
The above copyright notice and this permission notice shall be
included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
總結
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