Tuesday, February 2, 2010

Split Function in SQL SERVER + sqlServer

SPLIT FUNCTION IN SQL SERVER (USER DEFINED FUNCTION)

set ANSI_NULLS ON
set QUOTED_IDENTIFIER ON
go

ALTER FUNCTION [dbo].[fnSplit](
    @sInputList VARCHAR(8000) -- List of delimited items
  , @sDelimiter VARCHAR(8000) = ',' -- delimiter that separates items
) RETURNS @List TABLE (item VARCHAR(8000))

BEGIN
    DECLARE @sItem VARCHAR(8000)
    WHILE CHARINDEX(@sDelimiter,@sInputList,0) <> 0
     BEGIN
         SELECT
          @sItem=RTRIM(LTRIM(SUBSTRING(@sInputList,1,CHARINDEX(@sDelimiter,@sInputList,0)-1))),
          @sInputList=RTRIM(LTRIM(SUBSTRING(@sInputList,CHARINDEX(@sDelimiter,@sInputList,0)+LEN(@sDelimiter),LEN(@sInputList))))

         IF LEN(@sItem) > 0
          INSERT INTO @List SELECT @sItem
     END

    IF LEN(@sInputList) > 0
         INSERT INTO @List SELECT @sInputList -- Put the last item in
    RETURN
END

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