DELIMITER //

CREATE TRIGGER zen_tri_json_log
AFTER UPDATE ON zen_jsoncode
FOR EACH ROW
BEGIN
    DECLARE v_cnt INT;
    
    -- 當 json code 被修改, 就記錄到 log
    IF OLD.jsoncode <> NEW.jsoncode OR OLD.jsoncode2 <> NEW.jsoncode2 OR OLD.jsoncode3 <> NEW.jsoncode3 THEN
        INSERT INTO zen_jsoncode_log (log_date, functiontag, version, jsoncode, jsoncode2, jsoncode3)
        VALUES (NOW(), OLD.functiontag, OLD.version, OLD.jsoncode, OLD.jsoncode2, OLD.jsoncode3);
    END IF;
END//

CREATE TRIGGER zen_tri_json_log_delete
AFTER DELETE ON zen_jsoncode
FOR EACH ROW
BEGIN
    -- 當記錄被刪除時記錄到 log
    INSERT INTO zen_jsoncode_log (log_date, functiontag, version, jsoncode, jsoncode2, jsoncode3)
    VALUES (NOW(), OLD.functiontag, OLD.version, OLD.jsoncode, OLD.jsoncode2, OLD.jsoncode3);
END//

DELIMITER ;