Re: Horribly slow pg_upgrade performance with many Large Objects - Mailing list pgsql-hackers

Nathan Bossart <nathandbossart@gmail.com> writes:
> On Tue, Apr 08, 2025 at 01:36:58PM -0400, Tom Lane wrote:
>> Hmm ... one annoying thing for this project is that AFAICS pg_upgrade
>> does *not* preserve database OIDs, which is problematic for using
>> COPY to load pg_shdepend rows.

> I think it does; see commit aa01051.

Ah --- I thought I remembered something having been done about that,
but I failed to find it because I was looking in pg_upgrade not
pg_dump.  Too bad aa01051 didn't update the comment at the top of
pg_upgrade.c.

            regards, tom lane