sqlserver自定义split函数

Create function [dbo].[split]
(
@SourceSql varchar(max),
@StrSeprate varchar(10)
)
returns @temp table(line varchar(max))
as
begin
    declare @i int
    set @SourceSql = rtrim(ltrim(@SourceSql))
    set @i = charindex(@StrSeprate,@SourceSql)
    while @i >= 1
    begin
        if len(left(@SourceSql,@i-1))>0
        begin
            insert @temp values(left(@SourceSql,@i-1))
        end
        set @SourceSql=substring(@SourceSql,@i+len(@StrSeprate),len(@SourceSql)-@i)
        set @i=charindex(@StrSeprate,@SourceSql)
    end
    if @SourceSql <> ''
        insert @temp values(@SourceSql)
    return
end