set @var=1;if @var>1 then select * from client;elseselect * from otherTable;end if;这是我的mysql查询。你能指出为什么会出错吗?这真的让我筋疲力尽。 % m* V/ z2 ? }1 s8 G显示的错误是 9 n8 c! |- f& `8 ~IF @var >1 THEN SELECT *FROM client;MySQL said: Documentation#1064 - You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'if @var>1 thenselect * from client' at line 1快速回答会很有帮助。 - H/ ^2 D. ]8 o1 `# d: [! m8 E1 z1 C 6 j+ Q! e' q$ u解决方案: