function action(){
        if($_SESSION['order_id'] AND preg_match('/^[0-9]+$/',$_SESSION['order_id'])){
            $query = '
            UPDATE
                dtb_order
            SET
                status = ?
            WHERE
                order_id = ? AND 
                payment_total = 0';
            SC_Query_Ex::getSingletonInstance()->query($query,array(ORDER_PRE_END,$_SESSION['order_id']));
        }
        parent::action();
    }