salix/db/routines/vn/triggers/roadmapStop_beforeUpdate.sql

33 lines
878 B
SQL

DELIMITER $$
CREATE OR REPLACE DEFINER=`vn`@`localhost` TRIGGER `vn`.`roadmapStop_beforeUpdate`
BEFORE UPDATE ON `roadmapStop`
FOR EACH ROW
BEGIN
DECLARE vMaxEta DATETIME;
SET NEW.editorFk = account.myUser_getId();
IF NOT (NEW.description <=> OLD.description) THEN
SET NEW.description = UCASE(NEW.description);
END IF;
IF (NOT (NEW.roadmapFk <=> OLD.roadmapFk) AND NEW.roadmapFk IS NOT NULL)
OR (NOT (NEW.eta <=> OLD.eta) AND NEW.eta IS NOT NULL) THEN
IF NEW.eta < (SELECT etd FROM roadmap WHERE id = NEW.roadmapFk) THEN
CALL util.throw('Departure time can not be after arrival time');
END IF;
SELECT MAX(eta) INTO vMaxEta
FROM roadmapStop
WHERE roadmapFk = NEW.roadmapFk;
IF NEW.eta > vMaxEta OR vMaxEta IS NULL THEN
UPDATE roadmap
SET eta = COALESCE(vMaxEta, NEW.eta)
WHERE id = NEW.roadmapFk;
END IF;
END IF;
END$$
DELIMITER ;