sql字符串分组

create function f_myWord(@s varchar(50))

returns varchar(50)

  as

begin

declare @i int

set @i=1

while @i<=3 begin

  set @s=SUBSTRING(@s,CHARINDEX(',',@s)+1,len(@s))

  set @i=@i+1

end

return @s

end



--执行的时候就

select dbo.f_myWord(列名) from 你的哪个表

 

-- =============================================

-- Author:  阿瑞

-- Create date: 2008-03-19

-- Description: split函数

-- Debug:select * from dbo.Fun_Split('ABC:BC:C:D:E',':') 

-- =============================================

CREATE FUNCTION [dbo].[Fun_Split] 

(

 @SourceSql varchar(8000), 

 @StrSeprate varchar(10)

)

RETURNS 

 @TEMP_Table TABLE (a varchar(100))

AS

BEGIN

  DECLARE @i int

  SET @SourceSql=rtrim(ltrim(@SourceSql))

  SET @i=charindex(@StrSeprate,@SourceSql)

  WHILE @i>=1

    BEGIN

     INSERT @TEMP_Table VALUES(left(@SourceSql,@i-1))

     SET @SourceSql=substring(@SourceSql,@i+1,len(@SourceSql)-@i)

     SET @i=charindex(@StrSeprate,@SourceSql)

  END

 if @SourceSql<>'/'

   INSERT @TEMP_Table values(@SourceSql)

 RETURN 

END

 

 

 

 

调用：select * from dbo.Fun_Split('ABC:BC:C:D:E',':')