Re: dropping datumSort field

From: Robert Haas <robertmhaas(at)gmail(dot)com>
To: Zhihong Yu <zyu(at)yugabyte(dot)com>
Cc: PostgreSQL Developers <pgsql-hackers(at)lists(dot)postgresql(dot)org>
Subject: Re: dropping datumSort field
Date: 2022-08-09 15:01:44
Message-ID: CA+TgmoaeFBR+n7NNTjGyDiQwpFur29OCthmtEp8cj=Ph_UEnoA@mail.gmail.com
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On Mon, Aug 8, 2022 at 5:51 PM Zhihong Yu <zyu(at)yugabyte(dot)com> wrote:
> Hi,
> I was looking at ExecSort() w.r.t. datum sort.
>
> I wonder if the datumSort field can be dropped.
> Here is a patch illustrating the potential simplification.
>
> Please take a look.

One problem with this patch is that, if I apply it, PostgreSQL does not compile:

nodeSort.c:197:6: error: use of undeclared identifier 'tupDesc'
if (tupDesc->natts == 1)
^
1 error generated.

Leaving that aside, I don't really see any advantage in this sort of change.

--
Robert Haas
EDB: http://www.enterprisedb.com

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