如何为Yii CDbCriteria选择添加条件？

Question

我使用此代码。 我想检查预算＆lt; 0选择它。

$criteria = new CDbCriteria;
$criteria->select = array('*', 'SUM(amount) as budget');
$criteria->group = 'user_id';
$debtors = Transactions::model()->findAll($criteria);

我如何添加此条件？

Answer 1

使用

$criteria = new CDbCriteria;
$criteria->select = array('*', 'SUM(amount) as budget');
$criteria->having = 'budget < 0 ' ;
$criteria->group = 'user_id';
$debtors = Transactions::model()->findAll($criteria);