根据用户定义的变量选择Statement

Question

我试图根据用户的输入（SSRS）做一个简单的select语句。救命！

select * from Table1
WHERE
Case when @x = 'Yes' then (select * from Table1 where [Column1] < 0) end; 
case when @x = 'No' then (select * from Table1 where [Column1] > 0) end;

提前谢谢

KJ

Answer 1

应该像

一样简单

select * from Table1
WHERE
(@x = 'Yes' AND [Column1] < 0)
OR
(@x = 'No' AND [Column1] > 0);

顺便说一句，SELECT *编码非常糟糕，你真的应该指定你要返回的每一列。