Re: function return type is a setof some column type

whoa.  sorry about this post.  i already posted this about 1 week
ago, and it's been resolved.  i have no clue why it is showing up
again on the list.

murat

On 30 Jan 2006, at 18:19, Murat Tasan wrote:

> hi all, i'm new to the list, so if this is an off-topic question,
> or has already been posed, i apologize...
>
> i'm trying to figure out how to get the following test situation to
> work:
>
> creating a function like below fails...
>
> CREATE FUNCTION test_function() RETURNS SETOF table.column%TYPE AS $
> $ SELECT 1; $$ LANGUAGE SQL;
>
> yet i know the %TYPE format works because the below succeeds...
>
> CREATE FUNCTION test_function() RETURNS table.column%TYPE AS $$
> SELECT 1; $$ LANGUAGE SQL;
>
> as does the SETOF option because the following also succeeds...
>
> CREATE FUNCTION test_function() RETURNS SETOF int4 AS $$ SELECT 1; $
> $ LANGUAGE SQL;
>
> can anyone help me figure out how to get the first function
> declaration to work?
> and yes, i know i could just look up the type of the column of
> interest, but i'm trying to make the function somewhat independent
> of table alterations (the whole reason for the %TYPE inclusion in
> postgresql in the first place!)
>
> thanks for any help!
>
> murat
>
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