Re: MergeAppend could consider sorting cheapest child path

From: Richard Guo <guofenglinux(at)gmail(dot)com>
To: Alexander Korotkov <aekorotkov(at)gmail(dot)com>
Cc: Andrei Lepikhov <lepihov(at)gmail(dot)com>, Alexander Pyhalov <a(dot)pyhalov(at)postgrespro(dot)ru>, Andy Fan <zhihuifan1213(at)163(dot)com>, Bruce Momjian <bruce(at)momjian(dot)us>, PostgreSQL Hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org>, Nikita Malakhov <HukuToc(at)gmail(dot)com>
Subject: Re: MergeAppend could consider sorting cheapest child path
Date: 2025-09-08 08:39:40
Message-ID: CAMbWs48-rE-vwvuweEPDSvJDX09Cpx1uG2XX1HW7MY_X=0knNQ@mail.gmail.com
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On Sun, Sep 7, 2025 at 8:26 PM Alexander Korotkov <aekorotkov(at)gmail(dot)com> wrote:
> Great, thank you for catching this. The diff of costs is attached. I
> see the costs now are better or within the fuzz factor.

Will have a review by the end of this commitfest.

- Richard

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