26 lines
585 B
SQL
26 lines
585 B
SQL
DELIMITER $$
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CREATE OR REPLACE DEFINER=`vn`@`localhost` TRIGGER `vn`.`roadmapStop_beforeDelete`
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BEFORE DELETE ON `roadmapStop`
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FOR EACH ROW
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BEGIN
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DECLARE vMaxEta DATETIME;
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DECLARE vRoadmapEta DATETIME;
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IF OLD.roadmapFk IS NOT NULL THEN
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SELECT MAX(eta) INTO vMaxEta
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FROM roadmapStop
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WHERE roadmapFk = OLD.roadmapFk
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AND id <> OLD.id;
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SELECT eta INTO vRoadmapEta
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FROM roadmap
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WHERE id = OLD.roadmapFk;
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IF vMaxEta <> vRoadmapEta OR vMaxEta IS NULL THEN
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UPDATE roadmap
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SET eta = vMaxEta
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WHERE id = OLD.roadmapFk;
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END IF;
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END IF;
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END$$
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DELIMITER ; |