=?iso-8859-1?Q?Alonso_Garc=EDa_=2C_Bruno_Elier?= <bealonso@indra.es> writes:
> Yes. If I use PQexec, both 7.4 and 8.3 produce a quick result but I if I use asynchronous command processing 8.3
producea slow result whereas 7.4 works fine.
You're still being quite unclear. Is this 7.4 libpq + 7.4 server
against 8.3 libpq + 8.3 server, or some cross-version combination?
Have you tried switching to the other library version?
regards, tom lane