Re: SQL stored function inserting and returning data in a row.

Daniel Caune wrote:

>Hi,
>
>Is there any way to define a SQL stored function that inserts a row in a
>table and returns the serial generated?
>
>CREATE TABLE matchmaking_session
>(
> session_id bigint NOT NULL DEFAULT
>nextval('seq_matchmaking_session_id'),
> ...
>);
>
>CREATE FUNCTION create_matchmaking_sesssion(...)
> RETURNS bigint
>AS $$
> INSERT INTO matchmaking_session(...)
> VALUES (...)
> RETURNING session_id;
>$$ LANGUAGE SQL;
>
>2008-01-10 22:08:48 EST ERROR: return type mismatch in function
>declared to return bigint
>2008-01-10 22:08:48 EST DETAIL: Function's final statement must be a
>SELECT.
>2008-01-10 22:08:48 EST CONTEXT: SQL function
>"create_matchmaking_sesssion"
>
>
>
What about
$$
INSERT INTO .... ;
select currval('seq_matchmaking_session_id');
$$ language sql;

?