How to execute query below without using exec statement ?

Question

1.00/5 (1 vote)

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i work on SQL server 2012
I need to run statement without using exec
meaning i need to run statement without using exec

What I have tried:

DECLARE @Columns as VARCHAR(MAX)
SELECT @Columns =
COALESCE(@Columns + ', ','') + QUOTENAME(FeatureName)
FROM
   (select distinct FT.FeatureName from [CustomerLocations].[ItemFeatures] ItemF
  inner join [CustomerLocations].FeatureTypes FT ON ItemF.FeatureId=ft.FeatureId
   ) AS B
   ORDER BY B.FeatureName

DECLARE @SQLs as VARCHAR(MAX)

SET @SQLs = 'SELECT ItemId,IPN,PartnerName,CustomerName,FeatureValue, ' + @Columns + '
FROM
(
  select F.ItemId,i.IPN,i.PartnerName,i.PartnerPart,it.CustomerName,t.FeatureName,f.FeatureValue from #ItemFeatures It 
 inner join [CustomerLocations].[ItemFeatures] F on f.CustomerId=it.CustomerId  
 left join [CustomerLocations].[Items] I on i.ItemID=f.ItemId
 left join CustomerLocations.FeatureTypes T on t.FeatureId=f.FeatureId
) as PivotData
PIVOT
(
   COUNT(F.ItemId)
   FOR FeatureName IN (' + @Columns + ')
) AS PivotResult
ORDER BY ItemId'

EXEC(@SQLs)

Posted 3-Feb-20 3:17am

ahmed_sa

Updated 3-Feb-20 4:05am

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Richard Deeming · Answer 1 · 2020-02-03T04:05:00

Solution 1

You can't generate a dynamic pivot without using dynamic SQL. Which means you have to use EXEC.

You could potentially use sp_executesql[^] if you had parameters to pass in. But you can't pass the pivot column names as parameters.

The only other option would be for your query to return the raw data, and for your application to perform the pivot in code.

Posted 3-Feb-20 4:05am

Richard Deeming

Comments

CHill60 3-Feb-20 10:06am

Beat me to it! 5'd

ahmed_sa 3-Feb-20 22:30pm

can you help me
i need to run as select statement
see How to run that
DECLARE @Columns as VARCHAR(MAX)
SELECT @Columns =
COALESCE(@Columns + ', ','') + QUOTENAME(FeatureName)
FROM
--distinct FT.FeatureName
(select distinct FT.FeatureName from #InputData Feat inner join #ItemFeatures ItemF
on ItemF.CustomerId=Feat.CustomerId INNER join #FeatureType FT on ItemF.FeatureId=FT.FeatureId

) AS B
ORDER BY B.FeatureName

SELECT ItemCode, IPN,PartnerName,CustomerName, ' + @Columns + '
FROM
(
select F.ItemId,F.ItemId as ItemCode,I.IPN,I.PartnerName,I.PartnerPart,c.CustomerName,t.FeatureName from #InputData Itm
inner join #ItemFeatures F on F.CustomerId=Itm.CustomerId
inner join #Items I on I.ItemID=F.ItemId
inner join #FeatureType T on T.FeatureId=F.FeatureId
inner join #customers c on c.CustomerID=F.CustomerID
) as PivotData
PIVOT
(
COUNT(ItemId)
FOR FeatureName IN (' + @Columns + ')
) AS PivotResult
ORDER BY CustomerName

Richard Deeming 4-Feb-20 7:21am

As I said, you can't.

You can't run a dynamic pivot without dynamic SQL. Which means using EXEC or sp_executesql.

If you don't want to do that, then return the raw data from your query, and perform the pivot in code.

ahmed_sa 3-Feb-20 22:41pm

but i face problem on this line
FeatureName IN (' + @Columns + ')