我想要按所有字段分组的结果。我通过使用 - WITH关键字实现了它。有没有其他方法可以做到这一点?
WITH T AS ( SELECT a.codeid AS VendorID ,
a.hname ,
a.hnamee ,
CASE WHEN v.AudienceID = 0 THEN 1
ELSE 0
END AS HasAll
FROM dbo.dtAny AS a
LEFT JOIN VendorAudience AS v ON a.codeid = v.VendorID
WHERE a.hrclvl = @level
AND a.dcode = @dcode
AND a.codeid = ISNULL(@VendorID, a.codeid)
)
SELECT VendorID ,
hname ,
hnamee ,
HasAll
FROM T
GROUP BY vendorid ,
hname ,
hnamee ,
HasAll
我想要这样的东西:
SELECT a.codeid AS VendorID ,
a.hname ,
a.hnamee ,
CASE WHEN v.AudienceID = 0 THEN 1
ELSE 0
END AS HasAll
FROM dbo.dtAny AS a
LEFT JOIN VendorAudience AS v ON a.codeid = v.VendorID
WHERE a.hrclvl = @level
AND a.dcode = @dcode
AND a.codeid = ISNULL(@VendorID, a.codeid)
GROUP BY VendorID ,a.hname ,a.hnamee ,HasAll
但尝试按 HasAll 分组时出错。(我不需要按 v.AudienceID 分组)