On Thu, Mar 24, 2022 at 9:16 PM Andres Freund <andres@anarazel.de> wrote:
> > VACUUM FREEZE (without DISABLE_PAGE_SKIPPING) seems like it would do
> > everything you want, without using a temp table. At least on the
> > master branch.
>
> We tried that in a prior case:
> https://postgr.es/m/20220120052404.sonrhq3f3qgplpzj%40alap3.anarazel.de
Oh, yeah. If some other backend is holding back OldestXmin, and you
can't find a way of dealing with that, then you'll need a temp table.
(Mind you, that trick only works on recent versions too.)
--
Peter Geoghegan
