13 lines
348 B
MySQL
13 lines
348 B
MySQL
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DELIMITER $$
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CREATE OR REPLACE DEFINER=`root`@`localhost` TRIGGER `vn`.`expedition_beforeDelete`
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BEFORE DELETE ON `expedition`
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FOR EACH ROW
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BEGIN
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UPDATE ticket t
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SET packages = (SELECT COUNT(counter)-1
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FROM expedition e WHERE e.ticketFk = OLD.ticketFk and e.freightItemFk)
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WHERE t.id = OLD.ticketFk;
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END$$
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DELIMITER ;
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