ADODB SQL 查询 ORDER BY 子查询不起作用

Question

Classic ASP 中的 VBScript 代码提取包含子查询的值，按该子查询排序不会排序。如何更改此查询以按子查询结果排序？

也试过"ORDER BY 2 ASC;"这不会引发错误但什么都不做

SELECT tblWP.keyWP, (SELECT SUM(DateDiff('n',tblX.dtmStart,tblX.dtmEnd)) FROM tblX WHERE tblX.keyWP=tblWP.keyWP) AS t1 FROM tblWP ORDER BY t1;

Answer 1

试试这个：

SELECT
    tblWP.keyWP,
    (SELECT SUM(DateDiff('n',tblX.dtmStart,tblX.dtmEnd)) FROM tblX WHERE tblX.keyWP=tblWP.keyWP) AS t1

FROM
    tblWP

ORDER BY
    (SELECT SUM(DateDiff('n',tblX.dtmStart,tblX.dtmEnd)) FROM tblX WHERE tblX.keyWP=tblWP.keyWP)

Answer 2

您可以试试这个变体：

SELECT 
    tblWP.keyWP, 
    Sum(DateDiff('n',tblX.dtmStart,tblX.dtmEnd)) AS t1 
FROM 
    tblWP
INNER JOIN
    tblX
    ON tblWP.keyWP = tblX.keyWPItem
GROUP BY 
    tblWP.keyWP
ORDER BY 
    Sum(DateDiff('n',tblX.dtmStart,tblX.dtmEnd));

ADODB SQL 查询 ORDER BY 子查询不起作用

ADODB SQL Query ORDER BY subquery not working

oledb

vbscript

ms-access

adodb