29 lines
887 B
SQL
29 lines
887 B
SQL
DELIMITER $$
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CREATE OR REPLACE DEFINER=`root`@`localhost` TRIGGER `vn`.`dms_beforeUpdate`
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BEFORE UPDATE ON `dms`
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FOR EACH ROW
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BEGIN
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DECLARE vHardCopyNumber INT;
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IF (NEW.hasFile <> 0) AND (OLD.hasFile = 0) AND (NEW.hardCopyNumber IS NULL)
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OR
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(NEW.hardCopyNumber = OLD.hardCopyNumber AND OLD.warehouseFk <> NEW.warehouseFk) THEN
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IF (SELECT NOT hasDms FROM warehouse WHERE id = NEW.warehouseFk) THEN
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SET NEW.warehouseFk = (SELECT id FROM warehouse WHERE name = 'Algemesi');
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END IF;
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SELECT 1 + MAX(hardCopyNumber) INTO vHardCopyNumber
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FROM dms
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WHERE warehouseFk = NEW.warehouseFk;
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SET NEW.hardCopyNumber = IFNULL(vHardCopyNumber,1);
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END IF;
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IF ((NEW.hardCopyNumber = 0) OR NEW.hardCopyNumber IS NULL) AND (OLD.hardCopyNumber <> 0) THEN
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SET NEW.hasFile = 0;
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END IF;
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END$$
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DELIMITER ;
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