DELIMITER $$
DROP TRIGGER IF EXISTS `vn`.`creditClassification_BEFORE_UPDATE` $$


CREATE DEFINER=`root`@`%` TRIGGER `vn`.`creditClassification_beforeUpdate` BEFORE UPDATE ON `creditClassification` FOR EACH ROW
BEGIN
	IF NEW.client <> OLD.client THEN
		CALL util.throw('NOT_ALLOWED_CHANGE_CLIENT');
    END IF;
    IF NEW.dateEnd IS NOT NULL AND OLD.dateEnd IS NULL THEN
		UPDATE `client` c
			SET creditInsurance = 0 WHERE c.id = NEW.client;
    END IF;
END$$
DELIMITER ;