[英]CROSS APPLY in MERGE - SQL Server
我需要在返回编号的范围内调用函数。
我想在“未匹配”中询问此号码:
MERGE INTO Table AS m
USING (SELECT DISTINCT edb.*, md.F3, mb.F2 as , xp.idDetails
FROM Table2 edb
JOIN Table4 mb ON md.F3 = mb.Id
CROSS APPLY dbo.Func(edb.E1, edb.E2, edb.E3, edb.E4, edb.E5, edb.E6) xp(idDetails)
WHERE xp.idDetails = md.Id
AND edb.P1= 1000) edbTable ON m.R1 = edbTable.F2 AND m.R2 = 2
WHEN MATCHED THEN
UPDATE
SET
.
.
WHEN NOT MATCHED AND edbTable.idDetails IS NOT NULL THEN
INSERT
.
.
我尝试此代码,但失败了:
表值函数“ Func”不能具有列别名。
这样行吗?
USING (select distinct edb.*, md.F3, mb.F2
from Table3 md join
Table4 mb
on md.F3 = mb.Id cross apply
(select edb.*, xp.idDetails
from table2 edb cross apply
dbo.Func(edb.E1, edb.E2, edb.E3, edb.E4, edb.E5, edb.E6) xp(idDetails)
where xp.idDetails = md.Id and
edb.P1 = 1000
) edb
)
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