salix/db/changes/10480-june/00-ticketRefund_beforeUpser...

22 lines
594 B
SQL

DROP PROCEDURE IF EXISTS `vn`.`ticketRefund_beforeUpsert`;
DELIMITER $$
$$
CREATE DEFINER=`root`@`localhost` PROCEDURE `vn`.`ticketRefund_beforeUpsert`(vRefundTicketFk INT, vOriginalTicketFk INT)
BEGIN
DECLARE vAlreadyExists BOOLEAN DEFAULT FALSE;
IF vRefundTicketFk = vOriginalTicketFk THEN
CALL util.throw('Original ticket and refund ticket has same id');
END IF;
SELECT COUNT(*) INTO vAlreadyExists
FROM ticketRefund
WHERE originalTicketFk = vOriginalTicketFk;
IF vAlreadyExists > 0 THEN
CALL util.throw('This ticket is already a refund');
END IF;
END$$
DELIMITER ;