>> PQlookupOid(PGconn *conn, char **type_names, Oid *oids, int count);
We are backing away from this (not such a great idea). We are actually
working hard at removing Oid dependencies from our PGparam idea. We
think it is more generic to make the server allow InvalidOid for
composites and array elmtypes, as Oids can change from server to server.
andrew & merlin
eSilo