PIVOT很棒,但是我使用了一個存儲過程來存儲我的Dynamic Pivots。
源可以是表,視圖,#溫度,甚至是SQL
請注意,您可以定義附加聚集體(即總,最小值,最大值,平均值,STD ...)。您也可以定義其他組通過的,以及
Exec [prc-Pivot] '#Temp','Month','sum(Qty)[]','Emp','count(*)[Records],sum(Qty)[Total],min(Qty)[Min],max(Qty)[Max],Avg(Qty)[Avg]'
返回 ![enter image description here](https://i.stack.imgur.com/T8Ddi.jpg)
而且,只是爲了好玩...
Exec [prc-Pivot] 'Select *,Qtr=''Q''+concat(concat(DatePart(QQ,Month),''-''),Year(Month)) from #Temp','Emp','sum(Qty)[]','Qtr',null
![enter image description here](https://i.stack.imgur.com/L1yyM.jpg)
存儲過程
CREATE PROCEDURE [dbo].[prc-Pivot] (
@Source varchar(1000), -- Any Table or Select Statement
@PvotCol varchar(250), -- Field name or expression ie. Month(Date)
@Summaries varchar(250), -- aggfunction(aggValue)[optionalTitle]
@GroupBy varchar(250), -- Optional additional Group By
@OtherCols varchar(500)) -- Optional Group By or aggregates
AS
--Exec [prc-Pivot] 'Select Year=Year(TR_Date),* From [Chinrus-Series].[dbo].[DS_Treasury_Rates]','''Q''+DateName(QQ,TR_Date)','avg(TR_Y10)[-Avg]','Year','count(*)[Records],min(TR_Y10)[Min],max(TR_Y10)[Max],Avg(TR_Y10)[Avg]'
Set NoCount On
Set Ansi_Warnings Off
Declare @Vals varchar(max),@SQL varchar(max);
Set @Vals = ''
Set @OtherCols= IsNull(', ' + @OtherCols,'')
Set @Source = case when @Source Like 'Select%' then @Source else 'Select * From '[email protected] end
Create Table #TempPvot (Pvot varchar(100))
Insert Into #TempPvot
Exec ('Select Distinct Convert(varchar(100),' + @PvotCol + ') as Pvot FROM (' + @Source + ') A')
Select @Vals = @Vals + ', isnull(' + Replace(Replace(@Summaries,'(','(CASE WHEN ' + @PvotCol + '=''' + Pvot + ''' THEN '),')[', ' END),0) As [' + Pvot) From #TempPvot Order by Pvot
Drop Table #TempPvot
Set @SQL = Replace('Select ' + Isnull(@GroupBy,'') + @OtherCols + @Vals + ' From (' + @Source + ') PvtFinal ' + case when Isnull(@GroupBy,'')<>'' then 'Group By ' + @GroupBy + ' Order by ' + @GroupBy else '' end,'Select , ','Select ')
--Print @SQL
Exec (@SQL)
Set NoCount Off
Set Ansi_Warnings on
看看這裏:http://stackoverflow.com/questions/10404348/sql-server-dynamic-pivot-query – vercelli