DELIMITER $$ CREATE OR REPLACE DEFINER=`root`@`localhost` TRIGGER `bs`.`nightTask_beforeInsert` BEFORE INSERT ON `nightTask` FOR EACH ROW BEGIN IF NOT (NEW.`schema`REGEXP '^[0-9a-zA-Z_]+$') OR NOT (NEW.`procedure`REGEXP '^[0-9a-zA-Z_]+$') THEN CALL util.throw('ONLY_ALPHANUMERICS_ALLOWED'); END IF; END$$ DELIMITER ;