Re: [PATCH] GROUP BY ALL
David Christensen <david@pgguru.net>
From: David Christensen <david@pgguru.net>
To: Andrei Borodin <x4mmm@yandex-team.ru>
Cc: Isaac Morland <isaac.morland@gmail.com>, "David G. Johnston" <david.g.johnston@gmail.com>,
pgsql-hackers <pgsql-hackers@postgresql.org>
Date: 2024-07-23T13:39:20Z
Lists: pgsql-hackers
On Tue, Jul 23, 2024 at 8:21 AM Andrei Borodin <x4mmm@yandex-team.ru> wrote: > > On 23 Jul 2024, at 00:40, Isaac Morland <isaac.morland@gmail.com> wrote: > > odyssey=> select (uw_term).*, count(*) from uw_term group by uw_term; > ERROR: column "uw_term.term_id" must appear in the GROUP BY clause or be used in an aggregate function > LINE 1: select (uw_term).*, count(*) from uw_term group by uw_term; > > > AFAIR this problem was solved in my implementation [0] > > On 23 Jul 2024, at 01:29, Tom Lane <tgl@sss.pgh.pa.us> wrote: > > (Personally, I'd wonder exactly what ALL is quantified over: the > whole output of the FROM clause, or only columns mentioned in the > SELECT tlist, or what? And why that choice rather than another?) > > > I'd like to have GROUP BY AUTO (I also proposed version GROUP BY SURPRISE ME). But I wouldn't like to open pandora box of syntax sugar extensions which may will be incompatible with future standards. > If we could have extensible grammar - I'd be happy to have a lot of such enhancements. My top 2 are FROM table SELECT column and better GROUP BY. GROUP BY AUTO also seems fine here to me; I understand the desire to avoid major incompatible syntax changes; GROUP BY ALL does exist in multiple products so it's not unprecedented. I wrote my patch before seeing your thread, sorry I missed that. :-) David