/**
  * Executes an SQL command and returns auth items with the RBAMAuthItemBehavior attached.
  * @param CDbAuthManager owner
  * @param string         sql to execute
  * @return array CAuthItems with RBAMAuthItemBehavior attached
  */
 private function itemsFromSql($owner, $sql)
 {
     $items = array();
     foreach ($owner->db->createCommand($sql)->queryAll() as $row) {
         if (($data = @unserialize($row['data'])) === false) {
             $data = null;
         }
         $item = new CAuthItem($owner, $row['name'], $row['type'], $row['description'], $row['bizrule'], $data);
         $item->attachBehavior('RbamAuthItemBehavior', 'RbamAuthItemBehavior');
         $items[$row['name']] = $item;
     }
     return $items;
 }