Re: pg_control_checkpoint(): add "data_checksum_version" (Pg19)?

From: Fujii Masao <masao(dot)fujii(at)gmail(dot)com>
To: Daniel Gustafsson <daniel(at)yesql(dot)se>
Cc: Bertrand Drouvot <bertranddrouvot(dot)pg(at)gmail(dot)com>, Ian Lawrence Barwick <barwick(at)gmail(dot)com>, PostgreSQL Developers <pgsql-hackers(at)lists(dot)postgresql(dot)org>
Subject: Re: pg_control_checkpoint(): add "data_checksum_version" (Pg19)?
Date: 2026-08-19 08:51:07
Message-ID: CAHGQGwFNpj6tYfo4qY9bYhHX01_TKLXpH6o-gyoAGieWo7ZcoA@mail.gmail.com
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On Wed, Aug 19, 2026 at 5:38 PM Daniel Gustafsson <daniel(at)yesql(dot)se> wrote:
> That's another option. I'm not a big fan of adapting new code to bugs of the
> past, but at this point in the cycle there are other aspects in play as well.
> I'll see what others think for a little bit before reverting.

+1

If I'm in the minority, i.e., the only one who doesn't like adding
data_checksum_version_init and is concerned about the consistency
between pg_control_xxx() and pg_controldata, I'm happy to withdraw my
proposal.

Regards,

--
Fujii Masao

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