Daniel,
> There can also be some problems when using replication, because one needs
> to make
> sure that OIDs are the same on all machines in the cluster.
See the "uniqueidentifier" contrib package if you need a universally unique id
for replication.
> I'd find it more natural if the column wasn't there
> at all.
Probably by Postgres 8.0, it won't be.
--
Josh Berkus
Aglio Database Solutions
San Francisco