19 lines
552 B
MySQL
19 lines
552 B
MySQL
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DELIMITER $$
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CREATE OR REPLACE DEFINER=`root`@`localhost` TRIGGER `vn2008`.`agency_hour_AFTER_UPDATE`
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AFTER UPDATE ON `agency_hour`
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FOR EACH ROW
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BEGIN
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DECLARE vAlreadyExists BOOLEAN DEFAULT FALSE;
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SELECT COUNT(*) INTO vAlreadyExists
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FROM vn2008.agency_hour
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WHERE NEW.week_day <=> week_day AND NEW.province_id <=> province_id
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AND NEW.warehouse_id <=> warehouse_id AND NEW.max_hour <=> max_hour
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AND NEW.agency_id <=> agency_id;
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IF vAlreadyExists > 1 THEN
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CALL util.throw('ALREADY_EXISTS');
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END IF;
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END$$
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DELIMITER ;
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