Can a list of records be filtered using a comma delimited variable with the TSQL IN operator?

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SQL-Server-2008

Can a list of records be filtered using a comma delimited variable with the TSQL IN operator?

like

SQL

declare @val nvarchar(max)
set @val=  'E1+E2+E3'
set @val=REPLACE(@val,'E','')
set @val=REPLACE(@val,'+',',')
select * from empmas where headcode in(@val)

Posted 22-Jul-13 20:34pm

sanjay acharya

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2 solutions

Solution 1

yes it can be for example

SQL

select * from Employee where Salary in(5000,8000,15000,40000)

Posted 22-Jul-13 20:53pm

Zafar A khan

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sanjay acharya 23-Jul-13 3:00am

i am taking these value 5000,8000,15000,40000 as @val='5000,8000,15000,40000'

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Raja Sekhar S · Accepted Answer · 2013-07-22T21:16:00

You can use the fnsplitter function which is used widely for splitting in t sql... you have to add this function to your database...

SQL

USE [DatabaseName]
GO
SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
GO

Create Function [dbo].[fnSplitter] (@IDs Varchar(4000) )  
Returns @Tbl_IDs Table  (ID nvarchar(100) COLLATE SQL_Latin1_General_CP1_CS_AS  )  As  

Begin 
 -- Append comma
 Set @IDs =  @IDs + ',' 
 -- Indexes to keep the position of searching
 Declare @Pos1 Int
 Declare @Pos2 Int
 
 -- Start from first character 
 Set @Pos1=1
 Set @Pos2=1

 While @Pos1<len(@ids)>
 Begin
  Set @Pos1 = CharIndex(',',@IDs,@Pos1)
  Insert @Tbl_IDs Select  Substring(@IDs,@Pos2,@Pos1-@Pos2) 
  -- Go to next non comma character
  Set @Pos2=@Pos1+1
  -- Search from the next charcater
  Set @Pos1 = @Pos1+1
 End 
 Return
End

after adding change your query to

SQL

Declare @val nvarchar(max)
Set @val=  'E1+E2+E3'
Set @val=REPLACE(@val,'E','')
Set @val=REPLACE(@val,'+',',')
Select * from empmas where headcode in(Select ID From fnSplitter(@Val))