case when then end的使用

使用该查询，得出iFavoriteID,iFavUserType ,cUser,iArticleID,dFavoriteTime五个字段的值:

SELECT iFavoriteID,
CASE WHEN iFavUserType = 0 THEN '新闻管理员'
WHEN iFavUserType = 1 THEN '商家'
WHEN iFavUserType = 2 THEN '会员'
WHEN iFavUserType = 3 THEN '未注册'
WHEN iFavUserType = 4 then '匿名'
END
AS iFavUserType, cUser, iArticleID,
CONVERT(nvarchar(100), dFavoriteTime, 111) AS dFavoriteTime FROM dig_favorite