salix/db/routines/hedera/procedures/order_doRecalc.sql

54 lines
975 B
SQL

DELIMITER $$
CREATE OR REPLACE DEFINER=`root`@`localhost` PROCEDURE `hedera`.`order_doRecalc`()
proc: BEGIN
/**
* Recalculates modified orders.
*/
DECLARE vDone BOOL;
DECLARE vOrderFk INT;
DECLARE cCur CURSOR FOR
SELECT DISTINCT orderFk FROM tOrder;
DECLARE CONTINUE HANDLER FOR NOT FOUND
SET vDone = TRUE;
DECLARE CONTINUE HANDLER FOR SQLEXCEPTION
BEGIN
DO RELEASE_LOCK('hedera.order_doRecalc');
ROLLBACK;
RESIGNAL;
END;
IF !GET_LOCK('hedera.order_doRecalc', 0) THEN
LEAVE proc;
END IF;
DROP TEMPORARY TABLE IF EXISTS tOrder;
CREATE TEMPORARY TABLE tOrder
ENGINE = MEMORY
SELECT id, orderFk FROM orderRecalc;
OPEN cCur;
myLoop: LOOP
SET vDone = FALSE;
FETCH cCur INTO vOrderFk;
IF vDone THEN
LEAVE myLoop;
END IF;
CALL order_recalc(vOrderFk);
END LOOP;
CLOSE cCur;
DELETE o FROM orderRecalc o JOIN tOrder t ON t.id = o.id;
DROP TEMPORARY TABLE tOrder;
DO RELEASE_LOCK('hedera.order_doRecalc');
END$$
DELIMITER ;