salix/db/routines/vn/procedures/ticket_doRecalc.sql

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DELIMITER $$
CREATE OR REPLACE DEFINER=`root`@`localhost` PROCEDURE `vn`.`ticket_doRecalc`()
proc: BEGIN
/**
* Recalculates modified ticket.
*/
DECLARE vDone BOOL;
DECLARE vTicketFk INT;
DECLARE cCur CURSOR FOR
SELECT DISTINCT ticketFk FROM tTicket;
DECLARE CONTINUE HANDLER FOR NOT FOUND
SET vDone = TRUE;
DECLARE CONTINUE HANDLER FOR SQLEXCEPTION
BEGIN
DO RELEASE_LOCK('vn.ticket_doRecalc');
ROLLBACK;
RESIGNAL;
END;
IF !GET_LOCK('vn.ticket_doRecalc', 0) THEN
LEAVE proc;
END IF;
DROP TEMPORARY TABLE IF EXISTS tTicket;
CREATE TEMPORARY TABLE tTicket
ENGINE = MEMORY
SELECT id, ticketFk FROM ticketRecalc;
OPEN cCur;
myLoop: LOOP
SET vDone = FALSE;
FETCH cCur INTO vTicketFk;
IF vDone THEN
LEAVE myLoop;
END IF;
CALL ticket_recalc(vTicketFk, NULL);
END LOOP;
CLOSE cCur;
DELETE tr FROM ticketRecalc tr JOIN tTicket t ON tr.id = t.id;
DROP TEMPORARY TABLE tTicket;
DO RELEASE_LOCK('vn.ticket_doRecalc');
END$$
DELIMITER ;