Re: Assert in heapgettup_pagemode() fails due to underlying buffer change

On Thu, Jun 06, 2024 at 12:36:32PM -0400, Robert Haas wrote:
> On Thu, Jun 6, 2024 at 6:00 AM Alexander Lakhin <exclusion@gmail.com> wrote:
> > Am I missing something or the the page buffer indeed lacks locking there?
> 
> I don't know, but if the locks are really missing now, I feel like the
> first question is "which commit got rid of them?". It's a little hard
> to believe that they've never been there and somehow nobody has
> noticed.
> 
> Then again, maybe we have; see Noah's thread about in-place updates
> breaking stuff and some of the surprising discoveries there. But it
> seems worth investigating.

$SUBJECT looks more like a duplicate of
postgr.es/m/flat/20240512171658.7e.nmisch@google.com (Hot standby queries see
transient all-zeros pages).