SQL 表值函数

Create Function [dbo].[Split]
(
    @Sql varchar(8000),
    @Splits varchar(10)
)
returns @temp Table (a varchar(100))
As
Begin
    Declare @i Int
    Set @Sql = RTrim(LTrim(@Sql))
    Set @i = CharIndex(@Splits,@Sql)
    While @i >= 1
    Begin
        Insert @temp Values(Left(@Sql,@i-1))
        Set @Sql = SubString(@Sql,@i+1,Len(@Sql)-@i)
        Set @i = CharIndex(@Splits,@Sql)
    End
    If @Sql <> ‘‘
    Insert @temp Values (@Sql)
    Return
End

select * from Split(‘1,20,13,4,5‘,‘,‘)