mysql创建触发器错误代码1064 SQL语法

Question

我的架构是中量级（mname，mwins，mlosses，mdraws，mweight，mcountry，mage，mheight） 我完全失去了似乎无法找到问题。

delimiter//
CREATE TRIGGER tr_middlewegiht_u
BEFORE update on middleweight
for each row
begin
          IF (new.mweight>185) THEN
             SIGNAL sqlstate '45000'
                  set message_text = 'The fighters in the wrong weight class.';
               END if;
END//
delimiter;

Answer 1

您应该在space关键字及其值'delimiter'和'//'之间保持';'个 除非它是1064 syntax error。

示例：

delimiter // -- <--- observe the space here. It is a MUST

-- your trigger definition

end;

//

delimiter ; -- <--- maintain space here too. This too is a MUST