Question

我有一个包含全名列的表，名为userFullName

我正在尝试创建一个正确的选择语句来显示一个＆＃39; -Select User - ＆＃39;下拉列表的值，但按userFullName字段中的姓氏对结果集进行排序。

我怎么能：

获得正确工作的排序？
仍然保留-Select User-作为第一选择？

SQL语句：

SELECT
    0 As UserID, '-Select User-' As UsersName, '' As Surname 

UNION ALL

SELECT
    userID As UserID, userFullName As UsersName, 
    REVERSE(SUBSTRING(REVERSE([userFullName]), 0, CHARINDEX(' ', REVERSE([userFullName])))) As Surname 
FROM 
    vwSelectUser 
ORDER BY 
    REVERSE(SUBSTRING(REVERSE([userFullName]), 0, CHARINDEX(' ', REVERSE([userFullName]))))

我收到以下错误

Msg 207，Level 16，State 1，Line 6
  列名称无效＆＃39; userFullName＆＃39;。
  Msg 207，Level 16，State 1，Line 6
  列名称无效＆＃39; userFullName＆＃39;。
  Msg 104，Level 16，State 1，Line 6
  如果语句包含UNION，INTERSECT或EXCEPT运算符，则ORDER BY项必须出现在选择列表中。

是的，userFullName是vwSelectUser

Answer 1

最好的方式是分别存储名字和姓氏，但是你得到的就是这样：

SELECT * FROM 
(
    Select 0 As UserID, '-Select User-' As UsersName, CONVERT(VARCHAR(100),'') As Surname 
    Union All 
    Select userID As UserID, userFullName As UsersName, 
    REVERSE(SUBSTRING(REVERSE([userFullName]), 0, CHARINDEX(' ', REVERSE([userFullName])))) As Surname 
    From vwSelectUser 
) AS A
Order By Surname

在Fullname列上进行SQL排序

1 个答案: