我有一个查询可以在 INSERT 语句中使用,但不能单独使用,而且对于我的生活,我无法弄清楚为什么。这是有效的代码:
declare @FY1 char(4)
set @FY1 = (DATEPART(yy,DATEADD(m,-2,GETDATE()) ))
declare @fy char(2)
set @fy = SUBSTRING(@fy1,3,2)
declare @MonthUnits char (2)
set @MonthUnits = datepart(mm, dateadd(mm, -2, getdate()))
create table #tmpJDEnbrunits (mcmcu char(12)
, NbrUnits float
, mcdl02 char(40))
insert into #tmpJDEnbrunits
select '000' + ltrim(MCMCU)
, CASE @MonthUnits
WHEN 1 THEN GBAN01/100 -- January
WHEN 2 THEN GBAN02/100 -- February
WHEN 3 THEN GBAN03/100 -- March
WHEN 4 THEN GBAN04/100 -- April
WHEN 5 THEN GBAN05/100 -- May
WHEN 6 THEN GBAN06/100 -- June
WHEN 7 THEN GBAN07/100 -- July
WHEN 8 THEN GBAN08/100 -- August
WHEN 9 THEN GBAN09/100 -- September
WHEN 10 THEN GBAN10/100 -- October
WHEN 11 THEN GBAN11/100 -- November
WHEN 12 THEN GBAN12/100 -- December
END
, mcdl02
from [JDEPSQL1\JDEProd].JDE_PRODUCTION.PRODDTA.F0902,
[JDEPSQL1\JDEProd].JDE_PRODUCTION.PRODDTA.F0006
where GBMCU = MCMCU and
GBFY = @fy and GBLT = 'AU' and
GBOBJ = '9900' and GBSUB = '006' and
MCSTYL in ('R') AND MCMCU<' 999' AND
MCRP22<>'X'
select * from #tmpJDEnbrunits
where NbrUnits > 0
但是当我尝试使用 CASE 运行 SELECT 以消除临时表时,如下所示:
declare @FY1 char(4)
set @FY1 = (DATEPART(yy,DATEADD(m,-2,GETDATE()) ))
declare @fy char(2)
set @fy = SUBSTRING(@fy1,3,2)
declare @MonthUnits char (2)
set @MonthUnits = datepart(mm, dateadd(mm, -2, getdate()))
select '000' + ltrim(MCMCU)
, CASE @MonthUnits
WHEN 1 THEN GBAN01/100 -- January
WHEN 2 THEN GBAN02/100 -- February
WHEN 3 THEN GBAN03/100 -- March
WHEN 4 THEN GBAN04/100 -- April
WHEN 5 THEN GBAN05/100 -- May
WHEN 6 THEN GBAN06/100 -- June
WHEN 7 THEN GBAN07/100 -- July
WHEN 8 THEN GBAN08/100 -- August
WHEN 9 THEN GBAN09/100 -- September
WHEN 10 THEN GBAN10/100 -- October
WHEN 11 THEN GBAN11/100 -- November
WHEN 12 THEN GBAN12/100 -- December
END
, mcdl02
from [JDEPSQL1\JDEProd].JDE_PRODUCTION.PRODDTA.F0902,
[JDEPSQL1\JDEProd].JDE_PRODUCTION.PRODDTA.F0006
where GBMCU = MCMCU and
GBFY = @fy and GBLT = 'AU' and
GBOBJ = '9900' and GBSUB = '006' and
MCSTYL in ('R') AND MCMCU<' 999' AND
MCRP22<>'X'
我收到以下错误:
Msg 8180, Level 16, State 1, Line 1
Statement(s) could not be prepared.
Msg 102, Level 15, State 1, Line 1
Incorrect syntax near 'Qry1043'.
Msg 102, Level 15, State 1, Line 1
Incorrect syntax near 'Qry1016'.
Msg 125, Level 15, State 4, Line 1
Case expressions may only be nested to level 10.
最后一个特别奇怪,因为 CASE 语句没有嵌套。任何帮助将不胜感激,我已经用谷歌搜索了一个小时没有运气!
编辑:从字面上看,似乎认为 WHEN 是嵌套的 CASE 语句。如果我注释掉其中任何两个,它将运行而不会出错。