Re: Reordering DISTINCT keys to match input path's pathkeys

From: Andrei Lepikhov <lepihov(at)gmail(dot)com>
To: Richard Guo <guofenglinux(at)gmail(dot)com>
Cc: PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org>, David Rowley <dgrowleyml(at)gmail(dot)com>
Subject: Re: Reordering DISTINCT keys to match input path's pathkeys
Date: 2024-10-28 09:15:09
Message-ID: 0fc11a92-f6e4-4d8c-b882-91283ef54bce@gmail.com
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On 6/7/24 16:46, Richard Guo wrote:
> On Mon, Feb 5, 2024 at 11:18 AM Richard Guo <guofenglinux(at)gmail(dot)com> wrote:
>> cfbot reminds that this patch does not apply any more. So I've rebased
>> it on master, and also adjusted the test cases a bit.
>
> This patch does not apply any more, so here is a new rebase, with some
> tweaks to the comments.
This patch needs a minor rebase again.
After skimming the code, I want to say that it looks good. But maybe to
avoid one more *_reordering GUC - it would be better to cover all path
key reorderings under a single GUC.

--
regards, Andrei Lepikhov

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