SQL case when else

时间：2014-12-10 21:03:52 收藏：0 阅读：217

先占个坑，sql 版本的swith case

SELECT Oldvote,
(CASE 
WHEN Oldvote=1 THEN  (SELECT NOW()  from dual)
WHEN Oldvote=2 THEN 1
WHEN Oldvote=0 THEN 3
ELSE 3
END) as "number"
FROM dual ;