Re: pgsql: Revert online data checksum transitions

From: Daniel Gustafsson <daniel(at)yesql(dot)se>
To: Manuel Reyes Bravo <manuelreyesbravo(at)gmail(dot)com>
Cc: Aleksander Alekseev <aleksander(at)tigerdata(dot)com>, PostgreSQL Hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org>, Masao Fujii <masao(dot)fujii(at)gmail(dot)com>
Subject: Re: pgsql: Revert online data checksum transitions
Date: 2026-09-16 13:04:36
Message-ID: 0FF8445C-7912-4973-94B6-936B804AC840@yesql.se
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> On 16 Sep 2026, at 14:58, Manuel Reyes Bravo <manuelreyesbravo(at)gmail(dot)com> wrote:

> The server itself is not at risk, since PG_CONTROL_VERSION was bumped
> and 19.0 refuses a beta3 data directory; it is only tools reading
> archived beta3 WAL that cannot tell the formats apart. But the revert
> of 0d3dba38c77 on this branch (01a80f06214) bumped the magic for the
> same reason, so it looks like this one should too.

Thanks for the report, will include when fixing.

--
Daniel Gustafsson

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