How To Show List Of All Query ?!

hi

i want to show list of all query per request for debuging .

like codeigniter profiler .

like cakephp

http://www.yiiframework.com/extension/yii-debug-toolbar/

http://www.yiiframework.com/extension/dbprofiler/

http://www.yiiframework.com/wiki/58/sql-logging-and-profiling-in-firebug-yii-1-1/