Yii：如何使用CDbCriteria创建sql

SQL是：

select name, value from config where parent_id in ( select id from config where
name = 'Yii');

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我不确定您的条件，但尝试在条件字段中添加子查询

$criteria = new CDbCriteria();
$criteria->select ='name, value';
$criteria->addCondition( select id from config where name = 'Yii');