带，号字符串转成表的函数操作

USE [TestDB]
GO
/****** Object:  UserDefinedFunction [dbo].[func_splitstring]    Script Date: 04/25/2013 17:37:19 ******/
SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
GO
ALTER function [dbo].[func_splitstring]
(@str nvarchar(max),@split varchar(10))
returns @t Table (c1 varchar(100))
as
begin
    declare @i int
    declare @s int
    set @i=1
    set @s=1
    while(@i>0)
    begin    
        set @i=charindex(@split,@str,@s)
        if(@i>0)
        begin
            insert @t(c1) values(substring(@str,@s,@i-@s))
        end   
        else begin
            insert @t(c1) values(substring(@str,@s,len(@str)-@s+1))
        end
        set @s = @i + 1   
    end
    return
end

#sql