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Wednesday, May 16, 2012

How to Create Split function in SQL Server

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For using IN statement in SQL Server and search multiple values from string you can use
CREATE FUNCTION [dbo].[Split](@String varchar(8000), @Delimiter char(1))       
returns @temptable TABLE (items varchar(8000))
as
begin
declare @idx int
declare @slice varchar(8000)

select @idx = 1
if len(@String)<1 or @String is null return

while @idx!= 0
begin
set @idx = charindex(@Delimiter,@String)
if @idx!=0
set @slice = left(@String,@idx - 1)
else
set @slice = @String

if(len(@slice)>0)
insert into @temptable(Items) values(@slice)

set @String = right(@String,len(@String) - @idx)
if len(@String) = 0 break
end
return
end


Just lets see a simpel example of how to use the created split function.

DECLARE @INSTRING AS varchar(300)
SET @INSTRING = '1,2,5'
Select * from Split(@INSTRING,',')
SELECT *
FROM TableA
Where id IN (Select * from Split(@INSTRING,','))

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