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

32 lines
894 B
SQL

DELIMITER $$
CREATE OR REPLACE DEFINER=`vn`@`localhost` PROCEDURE `vn`.`item_deactivateUnused`()
BEGIN
/**
* Cambia a false el campo isActive de la tabla vn.item para todos aquellos
* items que no se han comprado en los últimos meses configurados en
* @vn.itemConfig.monthToDeactivate
*/
DECLARE vMonthToDeactivate INT;
SELECT monthToDeactivate INTO vMonthToDeactivate
FROM vn.itemConfig;
DROP TEMPORARY TABLE IF EXISTS tmp.buyMaxCreated;
CREATE TEMPORARY TABLE tmp.buyMaxCreated
ENGINE = MEMORY
SELECT b.itemFk,
MAX(b.created) created
FROM vn.buy b
JOIN vn.item i ON i.id = b.itemFk
WHERE i.isActive
GROUP BY itemFk;
UPDATE vn.item i
JOIN tmp.buyMaxCreated bmc ON bmc.itemFk = i.id
SET i.isActive = FALSE
WHERE bmc.created < util.VN_CURDATE() - INTERVAL vMonthToDeactivate MONTH;
DROP TEMPORARY TABLE IF EXISTS tmp.buyMaxCreated;
END$$
DELIMITER ;