20 lines
669 B
SQL
20 lines
669 B
SQL
DROP TRIGGER IF EXISTS `vn2008`.`expeditionsBeforeUpdate`;
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DELIMITER $$
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USE `vn2008`$$
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CREATE DEFINER=`root`@`%` TRIGGER `vn2008`.`expeditionsBeforeUpdate`
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BEFORE UPDATE ON `vn2008`.`expeditions`
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FOR EACH ROW
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-- Edit trigger body code below this line. Do not edit lines above this one
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BEGIN
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IF NEW.counter <> OLD.counter THEN
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IF (SELECT COUNT(*) FROM expeditions e
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INNER JOIN Tickets t1 ON e.ticket_id = t1.Id_Ticket
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INNER JOIN Tickets t2 ON t2.Id_Consigna = t1.Id_Consigna AND DATE(t2.Fecha) = DATE(t1.Fecha)
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WHERE t1.Id_Ticket = NEW.ticket_id AND counter = NEW.counter) > 0 THEN
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SET NEW.expeditions_id = NULL;
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END IF;
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END IF;
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END$$
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DELIMITER ;
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