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From: Tom Lane <tgl@sss.pgh.pa.us>
To: Daniel Gustafsson <daniel@yesql.se>
Cc: Masao Fujii <masao.fujii@gmail.com>
Cc: PostgreSQL Hackers <pgsql-hackers@lists.postgresql.org>
Subject: Re: pgsql: Revert online data checksum transitions
Date: Wed, 16 Sep 2026 11:49:28 -0400
Message-ID: <501934.1789573768@sss.pgh.pa.us> (raw)
In-Reply-To: <1EEAFCFB-15DB-4EC1-BD49-964C799A01B2@yesql.se>
References: <CAHGQGwH-wHTq4xd2dedEj0niDHkezcCT_OLmMpGp9NEHW4Dvkw@mail.gmail.com>
	<1EEAFCFB-15DB-4EC1-BD49-964C799A01B2@yesql.se>

Daniel Gustafsson <daniel@yesql.se> writes:
>> On 16 Sep 2026, at 13:01, Fujii Masao <masao.fujii@gmail.com> wrote:
>> After the revert, the buildfarm member longfin reported the test failure [1],
>> which seems to have been caused by the revert.
>> ...
>> After the revert, pg_control_checkpoint() now returns 19 columns, but its
>> pg_proc.dat entry still declares 20 output columns, including
>> data_page_checksum_version. This seems to trigger the assertion failure
>> in heap_form_tuple().

> Ugh, I thought I had tested everything but clearly missed this one. Will fix immediately when back from lunch.

It seems quite odd to me that only a couple of BF animals are showing
this failure.  Do we understand why that should be?  I can poke into
it on longfin's host if that would help.

			regards, tom lane





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