Re: MergeJoin beats HashJoin in the case of multiple hash clauses

From: Andres Freund <andres(at)anarazel(dot)de>
To: Matthias van de Meent <boekewurm+postgres(at)gmail(dot)com>
Cc: Alexander Korotkov <aekorotkov(at)gmail(dot)com>, Andrei Lepikhov <lepihov(at)gmail(dot)com>, Tomas Vondra <tomas(dot)vondra(at)enterprisedb(dot)com>, Andy Fan <zhihui(dot)fan1213(at)gmail(dot)com>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, "a(dot)rybakina" <a(dot)rybakina(at)postgrespro(dot)ru>
Subject: Re: MergeJoin beats HashJoin in the case of multiple hash clauses
Date: 2025-04-11 02:06:32
Message-ID: dcgamu4gwdqgvtrbbghi5dnhch7d2bzohi6mf3md6usebtvgc3@ukubuvkjknfw
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Hi,

On 2025-04-11 00:47:19 +0200, Matthias van de Meent wrote:
> On Fri, 11 Apr 2025 at 00:27, Andres Freund <andres(at)anarazel(dot)de> wrote:
> >
> > Hi,
> >
> > On 2025-03-09 14:13:52 +0200, Alexander Korotkov wrote:
> > > I've revised commit message, comments, formatting etc.
> > > I'm going to push this if no objections.
> >
> > I'm rather confused as to why this is a thing to push at this point? This
> > doesn't seem to be a bugfix and it's post feature freeze.
>
> I think the patch from that mail got committed as 6bb6a62f about a
> month ago, which was shortly after Alexander's message. Did you get
> confused about the month of his message, or by the incorrect state of
> the CF entry?

Sorry for that Alexander - for some reason the email just showed up as new in
my inbox and I only looked at the date, not the month :(

Greetings,

Andres Freund

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