17 lines
392 B
MySQL
17 lines
392 B
MySQL
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DELIMITER $$
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CREATE OR REPLACE DEFINER=`root`@`localhost` TRIGGER `vn`.`dms_beforeDelete`
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BEFORE DELETE ON `dms`
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FOR EACH ROW
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BEGIN
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DECLARE vCanNotBeDeleted INT;
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SELECT COUNT(*) INTO vCanNotBeDeleted
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FROM dmsType dt
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WHERE NOT (code <=> 'trash')
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AND dt.id = OLD.dmsTypeFk;
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IF vCanNotBeDeleted THEN
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CALL util.throw('A dms can not be deleted');
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END IF;
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END$$
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DELIMITER ;
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