Yii ActiveRecord

class ActiveRecord extends CActiveRecord
{
	public static function model($sClassName = NULL)
	{
		if ($sClassName == NULL)
			$sClassName = get_called_class();
			
		$oModel = parent::model($sClassName);
		$oModel->resetScope();
		$oModel->setDbCriteria(new CDbCriteria($oModel->defaultScope()));
		return $oModel;
	}
}