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

32 lines
852 B
SQL

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