Re: [PATCH] Simplify SortSupport implementation for macaddr

From: John Naylor <johncnaylorls(at)gmail(dot)com>
To: Michael Paquier <michael(at)paquier(dot)xyz>
Cc: Aleksander Alekseev <aleksander(at)tigerdata(dot)com>, PostgreSQL Development <pgsql-hackers(at)postgresql(dot)org>, Andrey Borodin <x4mmm(at)yandex-team(dot)ru>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Subject: Re: [PATCH] Simplify SortSupport implementation for macaddr
Date: 2026-04-07 06:51:35
Message-ID: CANWCAZaBx0vD5uj8rX6C2n=CV_mFV_uK+spkV5G9Ak_-AhY9oQ@mail.gmail.com
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On Wed, Mar 25, 2026 at 3:01 PM Michael Paquier <michael(at)paquier(dot)xyz> wrote:
>
> On Mon, Mar 09, 2026 at 04:08:06PM +0300, Aleksander Alekseev wrote:
> >> 1. The assignment ssup->ssup_extra = NULL can be removed. The
> >> SortSupport struct is zeroed before the callback is called (see
> >> sortsupport.h). There are about 22 similar assignments elsewhere;
> >> it does not seem to be established practice, many other places have
> >> no such assignment.
> >
> > Agree. I removed this assignment in 0001 and added 0002 that removes
> > if for the rest of *_sortsupport() functions.
>
> Sounds sensible to get rid of the estimation with the Datum size
> requirement and never give up with the abbreviated key sort, as done
> in 0001. I'd leave the code touched by 0002 remain as-is.

I've committed v2-0001, thanks Aleksander! Without 0002, 0001 made
this code inconsistent with the tree by removing the assignment, so I
left it as in master.

--
John Naylor
Amazon Web Services

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