sql service的动态sql中包含子查询的问题

csdn_peter 2015-09-03 04:31:46

declare @F_Name nvarchar(50)--变量（当作字段用）
update #detail set @F_Name=sou.F_Value from
(select monthValue.UsingUnitID,monthValue.EnergyID,monthValue.F_Value from [dbo].[T_RPT_EnergyMonthValue] monthValue
where monthValue.UsingUnitID ='02E646A3-9B51-4C14-A4FF-1D0AF12DAB5F'
and monthValue.EnergyID ='7FC53DB1-B80F-4E2A-B7BE-292818F10D82'
and monthValue.F_Year = 2015 and monthValue.F_Month=7) sou
where sou.UsingUnitID=F_UsingUnitId and sou.EnergyID=F_EnergyId

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csdn_peter 2015-09-24

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谢谢，处理完了

专注or全面 2015-09-04

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楼主你不懂sql的转义符？

declare @F_Name nvarchar(50)
declare @sql nvarchar(max)

set @sql=
'update #detail set'+  @F_Name+'=sou.F_Value from 
(select monthValue.UsingUnitID,monthValue.EnergyID,monthValue.F_Value from [dbo].[T_RPT_EnergyMonthValue] monthValue 
where monthValue.UsingUnitID =''02E646A3-9B51-4C14-A4FF-1D0AF12DAB5F''
and monthValue.EnergyID =''7FC53DB1-B80F-4E2A-B7BE-292818F10D82''
and monthValue.F_Year = 2015 and monthValue.F_Month=7) sou
where sou.UsingUnitID=F_UsingUnitId and sou.EnergyID=F_EnergyId'

exec (@sql)

csdn_peter 2015-09-03

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求指教，求指教！

csdn_peter 2015-09-03

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把更新这段当作字符串使用？是这种吗 declare @F_Name nvarchar(50) declare @SQL nvarchar(1000) set @SQL='update #detail set '+@F_Name +'=sou.F_Value from (select monthValue.UsingUnitID,monthValue.EnergyID,monthValue.F_Value from [dbo].[T_RPT_EnergyMonthValue] monthValue where monthValue.UsingUnitID ='+'02E646A3-9B51-4C14-A4FF-1D0AF12DAB5F '+ 'and monthValue.EnergyID ='+'7FC53DB1-B80F-4E2A-B7BE-292818F10D82 '+ 'and monthValue.F_Year = 2015 and monthValue.F_Month=7) sou '+ 'where sou.UsingUnitID=F_UsingUnitId and sou.EnergyID=F_EnergyId' 报错，执行不了报错消息：消息 168，级别 15，状态 1，第 54 行浮点值 '02E646' 超出了计算机表示范围(8 个字节)。消息 102，级别 15，状态 1，第 54 行 “A3”附近有语法错误。

专注or全面 2015-09-03