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Yii查看(输出)当前页面执行的sql语句

本文分享一下在Yii框架下查看当前页面执行的所有sql语句的方法,主要是通过配置相关文件来达到调试sql的目的,具体方法如下:

(1)修改 index.php 开启调试模式

在 index.php 文件内增加如下两行代码(如果不存在的话):

//开启调试模式
defined('YII_DEBUG') or define('YII_DEBUG',true);
//设置日志记录级别,YII_TRACE_LEVEL的数字越大,信息越清楚
defined('YII_TRACE_LEVEL') or define('YII_TRACE_LEVEL',3);

(2)修改配置文件 main.php

在config/main.php的 components - log - routes 下加入如下数组:

array(  
	'class'=>'CFileLogRoute',//文件记录日志的形式
	'levels'=>'trace',//日志记录级别
	'categories'=>'system.db.*',//只显示关于数据库信息,包括数据库连接,数据库执行语句
	'logFile' => 'app_'.date('Y-m-d').'.log',//日志保存文件名
	'logPath'=>'D:\phpStudy\WWW\phpernote\com\tmpfile\log_db',//日志保存路径
),

ok,经过如上的设置,刷新页面,你就可以到 D:\phpStudy\WWW\phpernote\com\tmpfile\log_db 这个目录里面去查找生成的sql记录文件了。输出的日志格式如下:

[时间] - [级别] - [类别] - [内容]

2015/04/17 10:30:51 [trace] [system.db.CDbCommand] Querying SQL: SELECT * FROM `phpernote_article` ORDER BY id desc LIMIT 15

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