Function with local parameters

I am trying to write a function that returns different values regdaring to a
input value.
Why can't I write like this. What shoudl I do instead.
I want to be able to write a select Item from GetPermission ('user', 're')
Regards
/Magnus
alter function [dbo].[GetPermissions3]
(
@.UserName varchar(50),
@.ItemName varchar(50),
)
RETURNS TABLE
AS
declare @.objecttype int
if @.ItemType='RE' set @.objecttype=1
RETURN
(
If
select i.Item, o.[name] from ItemGroups i
full outer join Groups g
on g.ItemGroup = i.ItemGroup
full outer join Users u
on u.GroupName = g.GroupName
join Control.dbo.Object o on i.item = o.object and o.no=@.objecttype
where (UserName = @.UserName or i.ItemGroup = @.UserName) and ItemName =
@.ItemName
)Please have a look at the syntax used to create functions. You are
attempting to create an inline function which must not have a function body
and which must contain a single select query within the returns clause. If
you want to include logic that cannot be handled within a single select
statement, then you will need to use the more complex table-valued function
syntax.|||Thanks!
After some searching for complex table-valued function I found the syntax
necessary!
My simple test (if someone wants to know) became:
alter FUNCTION MBTest
( @.FirstColNumber int )
RETURNS @.MyTable TABLE
( FirstCol varchar(50),
SecondCol varchar(50) )
AS BEGIN
declare @.mynum varchar(50)
select @.mynum = case @.FirstColNumber
when 0 then 'zero'
when 1 then 'one' end
insert @.MyTable (FirstCol,SecondCol) select @.mynum,FirstName from
BookingsApril2006
RETURN END
Best Regards
/Magnus
"Scott Morris" <bogus@.bogus.com> wrote in message
news:uZhVjdhbGHA.3908@.TK2MSFTNGP02.phx.gbl...
> Please have a look at the syntax used to create functions. You are
> attempting to create an inline function which must not have a function
> body and which must contain a single select query within the returns
> clause. If you want to include logic that cannot be handled within a
> single select statement, then you will need to use the more complex
> table-valued function syntax.
>