On Tue, Aug 8, 2023 at 8:43 PM Justin Pryzby <pry...@telsasoft.com> wrote: > The problem isn't that reltuples == -1 after the upgrade (which is > normal). The issue is that if VACUUM skips all the pages, it can leave > reltuples -1. My expectation is that after running "vacuum", no tables > are left in the "never have been vacuumed" state.
But -1 isn't the "never have been vacuumed" state, exactly. At best it is the "never been vacuumed or analyzed" state. -- Peter Geoghegan
