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From: Tom Lane <[email protected]>
To: David Christensen <[email protected]>
Cc: Andrey Borodin <[email protected]>
Cc: Peter Eisentraut <[email protected]>
Cc: pgsql-hackers <[email protected]>
Cc: David G. Johnston <[email protected]>
Cc: Jelte Fennema-Nio <[email protected]>
Subject: Re: [PATCH] GROUP BY ALL
Date: Fri, 26 Sep 2025 12:04:54 -0400
Message-ID: <[email protected]> (raw)
In-Reply-To: <CAHM0NXj1Gv_96WxZkiLKhxJVaYOGcmdZ2hApNcvWQ5HxV84Q=A@mail.gmail.com>
References: <[email protected]>
	<[email protected]>
	<CAHM0NXj1Gv_96WxZkiLKhxJVaYOGcmdZ2hApNcvWQ5HxV84Q=A@mail.gmail.com>

David Christensen <[email protected]> writes:
> 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.)

contain_agg_clause will blow up on a SubLink, so I doubt this is
gonna be robust.

			regards, tom lane

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