Horton

Re: pg_upgrade: transfer pg_largeobject_metadata's files when possible

Andres Freund <andres@anarazel.de>

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From: Andres Freund <andres@anarazel.de>
To: Nathan Bossart <nathandbossart@gmail.com>
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: 2026-02-16T21:19:10Z
Lists: pgsql-hackers 
On 2026-02-16 15:15:42 -0600, Nathan Bossart wrote:
> Committed.

Thanks for working on this!  I think the situation now is a lot better than it
was in 18...

Commits

  1. pg_upgrade: Use COPY for LO metadata for upgrades from < v12.

  2. pg_upgrade: Fix handling of pg_largeobject_metadata.

  3. pg_upgrade: Transfer pg_largeobject_metadata's files when possible.

  4. Rearrange pg_dump's handling of large objects for better efficiency.

  5. Expand AclMode to 64 bits

  6. Fix pg_upgrade for oid removal.