| From: | Antonin Houska <ah(at)cybertec(dot)at> |
|---|---|
| To: | Andres Freund <andres(at)anarazel(dot)de> |
| Cc: | Kirill Reshke <reshkekirill(at)gmail(dot)com>, Heikki Linnakangas <hlinnaka(at)iki(dot)fi>, Melanie Plageman <melanieplageman(at)gmail(dot)com>, Matthias van de Meent <boekewurm+postgres(at)gmail(dot)com>, pgsql-hackers(at)postgresql(dot)org, Thomas Munro <thomas(dot)munro(at)gmail(dot)com>, Noah Misch <noah(at)leadboat(dot)com>, Robert Haas <robertmhaas(at)gmail(dot)com>, Michael Paquier <michael(dot)paquier(at)gmail(dot)com> |
| Subject: | Re: Buffer locking is special (hints, checksums, AIO writes) |
| Date: | 2026-02-09 11:42:25 |
| Message-ID: | 61812.1770637345@localhost |
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| Lists: | pgsql-hackers |
Andres Freund <andres(at)anarazel(dot)de> wrote:
> On 2026-01-12 12:45:03 -0500, Andres Freund wrote:
> > I'm doing another pass through 0003 and will push that if I don't find
> > anything significant.
>
> Done, after adjust two comments in minor ways.
I suppose this is commit 0b96e734c590.
While troubleshooting REPACK issue [1], I realized that
HeapTupleSatisfiesMVCCBatch() can also be called during logical decoding - in
that case we need to use a historic MVCC snapshot. My proposal to fix the
problem is attached.
--
Antonin Houska
Web: https://www.cybertec-postgresql.com
| Attachment | Content-Type | Size |
|---|---|---|
| fix_batch_visibility_checks.diff | text/x-diff | 565 bytes |
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