Re: BUG #4710: Bug with sql functions, when using INSERT.. RETURNING .. statment - Mailing list pgsql-bugs

"Oleg" <serovOv@gmail.com> writes:
> CREATE TABLE test (id BIGINT);
> CREATE OR REPLACE FUNCTION test(in_row test) RETURNS bigint AS
> $body$
>     INSERT INTO test (SELECT $1.*) RETURNING id;
> $body$
> LANGUAGE 'sql';

> WILL THROW:

> ERROR:  return type mismatch in function declared to return bigint

This is improved for 8.4.

http://archives.postgresql.org/pgsql-committers/2008-10/msg00295.php

            regards, tom lane