17 lines
373 B
MySQL
17 lines
373 B
MySQL
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DELIMITER $$
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CREATE OR REPLACE DEFINER=`root`@`localhost` TRIGGER `vn`.`expeditionPallet_BEFORE_INSERT`
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BEFORE INSERT ON `expeditionPallet`
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FOR EACH ROW
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BEGIN
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DECLARE vNewPosition INT;
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SELECT MAX(position) + 1 INTO vNewPosition
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FROM vn.expeditionPallet
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WHERE truckFk = NEW.truckFk;
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SET NEW.position = IFNULL(vNewPosition,1);
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END$$
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DELIMITER ;
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