Function works in 8.4 but not in 9.0 beta2 "ERROR: structure of query does not match function result type"

Hi

I've started testing our applications against PostgreSQL 9.0 beta2 and found
that this function now does not work anymore(rewritten to be as small and
anonymous as possible)
CREATE TYPE test_type AS(
product text,
amount numeric(30,4)
);
CREATE FUNCTION test_func() RETURNS SETOF test_type AS $$
BEGIN
RETURN QUERY SELECT 'test'::text, 30.2::numeric;
END;
$$ LANGUAGE plpgsql STABLE;

Output in postgresql 8.4:
postgres=# SELECT version();

version
----------------------------------------------------------------------------------------------------------------------------------------
PostgreSQL 8.4.1 on i386-apple-darwin10.0.0, compiled by GCC
i686-apple-darwin10-gcc-4.2.1 (GCC) 4.2.1 (Apple Inc. build 5646), 64-bit
(1 row)

postgres=# SELECT test_func();
test_func
-------------
(test,30.2)
(1 row)

postgres=#

And in postgresql 9.0 beta2

version
---------------------------------------------------------------------------------------------------------------------------------------------
PostgreSQL 9.0beta2 on x86_64-apple-darwin10.4.0, compiled by GCC
i686-apple-darwin10-gcc-4.2.1 (GCC) 4.2.1 (Apple Inc. build 5659), 64-bit
(1 row)

postgres=# \set VERBOSITY verbose
postgres=# SELECT test_func();
ERROR: 42804: structure of query does not match function result type
DETAIL: Returned type numeric does not match expected type numeric(30,4) in
column 2.
CONTEXT: PL/pgSQL function "test_func" line 2 at RETURN QUERY
LOCATION: convert_tuples_by_position, tupconvert.c:112
postgres=#

Currently unning Mac OS X 10.6

Marcel Asio
Network & System Administrator
Redbet Technology
Mobile: +46 (0)709 13 04 01
Work: +46 (0)8 12 09 99 41
marcel(dot)asio(at)redbet(dot)com

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