Re: BUG #19597: getQuadrant: impossible case is reachable

From: John Naylor <johncnaylorls(at)gmail(dot)com>
To: Ayush Tiwari <ayushtiwari(dot)slg01(at)gmail(dot)com>
Cc: Andrey Rachitskiy <pl0h0yp1(at)gmail(dot)com>, malis(at)pgrust(dot)com, pgsql-bugs(at)lists(dot)postgresql(dot)org
Subject: Re: BUG #19597: getQuadrant: impossible case is reachable
Date: 2026-10-14 12:03:22
Message-ID: CANWCAZZ1Utva0VJ3HEhHQHdg-zWwTH8mh2-MenqYjvGNO8NeLA@mail.gmail.com
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On Thu, Oct 8, 2026 at 2:10 PM John Naylor <johncnaylorls(at)gmail(dot)com> wrote:
> v4 0002 fixes this case (note for those following along: needs a
> reindex between 0001 and 0002 for it to give the right answer). I've
> left 0002 how Claude wrote it for now, but it can probably just be
> squashed into 0001. I'm not yet sure if this series fixes all the bugs
> in this path, so I'll hold off on polishing and committing just yet.

Further fuzzing didn't find any more bugs (in this path), so pushed
after simplifying some comments.

--
John Naylor
Amazon Web Services

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