按长度排序在 WITH 子句中不起作用。
;WITH Invalids AS
(
SELECT TOP 1 WITH TIES
GroupNumber,
RTRIM(Address1) Address1,
RTRIM(Postcode) Postcode
FROM dbo.LoadData WHERE GroupNumber NOT IN
(
'000','016','018','025','044','048','049','053','054','055','060','064','067','069','071','073'
)
ORDER BY ROW_NUMBER() OVER (PARTITION BY GroupNumber ORDER BY LEN(Address1) DESC, LEN(Postcode) DESC )
)
UPDATE dbo.LoadData
SET
Valid = 0,
Reason = Reason + 'Bad address; '
WHERE GroupNumber =
(
SELECT GroupNumber FROM Invalids WHERE LEN(Address1) = 0 OR LEN(Postcode) = 0