Francisco Reyes <lists@stringsutils.com> writes:
> I have one database owned by "user1" which as of 4 days ago the superuser,
> pgsql, can't see any tables.
Transaction ID wraparound ... I take it this is not PG 8.1?
As long as it's at least 7.4, vacuuming the system catalogs should help.
regards, tom lane