How can I search in different tables?
$criteria = new CDbCriteria;
$criteria->condition = implode(' AND ', $condition);
$criteria->params = $params;
$criteria->width = array('authorlink', 'items');
$criteria->addSearchCondition('authorlink.TITLE', '%' . $searchstring->search_string . '%', true);
$items = Item::model()->findAll($criteria);
But that doesn’t work