Re: pg_upgrade: transfer pg_largeobject_metadata's files when possible

Nathan Bossart <nathandbossart@gmail.com>

From: Nathan Bossart <nathandbossart@gmail.com>

To: Andres Freund <andres@anarazel.de>

Cc: Michael Paquier <michael@paquier.xyz>, Tom Lane <tgl@sss.pgh.pa.us>, Nitin Motiani <nitinmotiani@google.com>, Hannu Krosing <hannuk@google.com>, PostgreSQL Hackers <pgsql-hackers@lists.postgresql.org>

Date: 2026-02-16T21:31:43Z

Lists: pgsql-hackers

On Mon, Feb 16, 2026 at 04:19:10PM -0500, Andres Freund wrote:
> Thanks for working on this!  I think the situation now is a lot better than it
> was in 18...

I hope so...  I appreciate the pointers/reviews.

-- 
nathan

Commits

pg_upgrade: Use COPY for LO metadata for upgrades from < v12.
- b33f75361284 19 (unreleased) landed
pg_upgrade: Fix handling of pg_largeobject_metadata.
- 158408fef8b9 19 (unreleased) landed
pg_upgrade: Transfer pg_largeobject_metadata's files when possible.
- 3bcfcd815e1a 19 (unreleased) landed
Rearrange pg_dump's handling of large objects for better efficiency.
- a45c78e3284b 17.0 cited
Expand AclMode to 64 bits
- 7b378237aa80 16.0 cited
Fix pg_upgrade for oid removal.
- 12a53c732ced 12.0 cited