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

From: Alexander Korotkov <aekorotkov(at)gmail(dot)com>
To: Andres Freund <andres(at)anarazel(dot)de>
Cc: Matthias van de Meent <boekewurm+postgres(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 21:42:26
Message-ID: CAPpHfducAP9Q1L0gG42ybMrvq2wvc60Lb8s8XebohNC151zCBw@mail.gmail.com
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On Fri, Apr 11, 2025 at 5:06 AM Andres Freund <andres(at)anarazel(dot)de> wrote:
> 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 :(

Not a problem at all!

------
Regards,
Alexander Korotkov
Supabase

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