On Wed, Oct 28, 2026 at 03:32:44PM -0400, Robert Haas wrote:
> Uggh. I think that this is the right fix given that
> rewrite_heap_tuple() is documented to rely on hint bits being set for
> correctness, but it seems to me to be pretty questionable that we rely
> on hint bits being set for correctness. It's not going to be obvious
> to someone modifying HeapTupleSatisfiesVacuum() or
> HeapTupleSatisfiesVacuumHorizon() that rewrite_heap_tuple() critically
> depends on that, and even if we added a comment about that, somebody
> reading that comment might justifiably complain about our decision to
> create such a dependency.

As far as I know this is implied since 7b78474da356.  So it's been
around for some time...  It's really hard to miss, as the other thread
has proved.
--
Michael

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