Re: [PATCH] GROUP BY ALL

From: David Christensen <david(at)pgguru(dot)net>
To: jian he <jian(dot)universality(at)gmail(dot)com>
Cc: Andrey Borodin <x4mmm(at)yandex-team(dot)ru>, Peter Eisentraut <peter(at)eisentraut(dot)org>, pgsql-hackers <pgsql-hackers(at)postgresql(dot)org>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, "David G(dot) Johnston" <david(dot)g(dot)johnston(at)gmail(dot)com>, Jelte Fennema-Nio <postgres(at)jeltef(dot)nl>
Subject: Re: [PATCH] GROUP BY ALL
Date: 2025-09-26 17:00:01
Message-ID: CAHM0NXgB7hm-JH8c1o=o-4P7LYn_EoE=XZAW0ENdtP-nso60YQ@mail.gmail.com
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Version 3 of this patch, incorporating some of the feedback thus far:

On Fri, Sep 26, 2025 at 11:56 AM David Christensen <david(at)pgguru(dot)net> wrote:
>
> On Fri, Sep 26, 2025 at 11:38 AM jian he <jian(dot)universality(at)gmail(dot)com> wrote:
> >
> > On Fri, Sep 26, 2025 at 11:46 PM David Christensen <david(at)pgguru(dot)net> wrote:
> > >
> > > >
> > > > I’m interested in picking it up again but would appreciate the review.
> > >
> > > Here is a rebased version with a few more tests. I also changed the
> > > main check here to using `!contain_agg_clause` instead of
> > > `!IsA(Aggref))` directly. (This was defined in `optimizer/clauses.h`,
> > > but we already are pulling in `optimizer.h`, so it felt valid to me.)
> > >
> >
> > hi.
> > I only briefly browse the patch text file, so forgive me.
> > seems missing deparse regress tests
> >
> > i think you may need one test like:
> >
> > create view v1 as SELECT b, COUNT(*) FROM t1 GROUP BY ALL;
> > \sv v1
>
> Thanks, good suggestion; not sure the appropriate final location for
> this, but it did show a bug in the current patch.
>
> David

Attachment Content-Type Size
v3-0001-Add-GROUP-BY-ALL.patch application/octet-stream 13.5 KB

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