Re: [PATCH] Simplify SortSupport implementation for macaddr

John Naylor <johncnaylorls@gmail.com>

From: John Naylor <johncnaylorls@gmail.com>
To: Michael Paquier <michael@paquier.xyz>
Cc: Aleksander Alekseev <aleksander@tigerdata.com>, PostgreSQL Development <pgsql-hackers@postgresql.org>, Andrey Borodin <x4mmm@yandex-team.ru>, Tom Lane <tgl@sss.pgh.pa.us>
Date: 2026-04-07T06:51:35Z
Lists: pgsql-hackers
On Wed, Mar 25, 2026 at 3:01 PM Michael Paquier <michael@paquier.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



Commits

  1. Simplify SortSupport for the macaddr data type