Yii1.1 Query Builder详细讲解

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1、构建执行

$command = Yii::app()->db->createCommand();

2、查询select

$command = Yii::app()->db->createCommand();
//        $command->select('id,user_name');
//        $command->select(['id','user_name']);
//        $command->select('ueb_ebay_account.id,ueb_ebay_account.user_name as username');
$command->select(array('id', 'count(*) as num'));               #// SELECT `id`, count(*) as num
$command->from('ueb_ebay_account');
$data = $command->queryRow();