DROP TRIGGER IF EXISTS `vn`.`clientLog_BEFORE_INSERT`; DELIMITER $$ USE `vn`$$ CREATE DEFINER=`root`@`%` TRIGGER `vn`.`clientLog_BEFORE_INSERT` BEFORE INSERT ON `clientLog` FOR EACH ROW BEGIN IF NEW.newInstance is NULL THEN SET NEW.newInstance = NEW.description; END IF; END$$ DELIMITER ;