Re: [PATCH] GROUP BY ALL
Ashutosh Bapat <ashutosh.bapat.oss@gmail.com>
From: Ashutosh Bapat <ashutosh.bapat.oss@gmail.com>
To: David Christensen <david@pgguru.net>
Cc: "David G. Johnston" <david.g.johnston@gmail.com>, pgsql-hackers <pgsql-hackers@postgresql.org>
Date: 2024-07-24T14:12:01Z
Lists: pgsql-hackers
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API reference →
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Add GROUP BY ALL.
- ef38a4d9756d 19 (unreleased) landed
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Refactor to avoid code duplication in transformPLAssignStmt.
- b0fb2c6aa5a4 19 (unreleased) landed
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Fix missed copying of groupDistinct in transformPLAssignStmt.
- b7f6798c056a 16.11 landed
- 9ca79896aba3 15.15 landed
- 78a284b0b8d4 18.1 landed
- 7504d2be9eb4 19 (unreleased) landed
- 3fc9aa5b0233 17.7 landed
- 0be39b4b1a01 14.20 landed
On Tue, Jul 23, 2024 at 6:53 PM David Christensen <david@pgguru.net> wrote: > > On Mon, Jul 22, 2024 at 4:34 PM David G. Johnston > <david.g.johnston@gmail.com> wrote: > > > > On Mon, Jul 22, 2024 at 1:55 PM David Christensen <david@pgguru.net> wrote: > >> > >> I see that there'd been some chatter but not a lot of discussion about > >> a GROUP BY ALL feature/functionality. There certainly is utility in > >> such a construct IMHO. > >> > >> Still need some docs; just throwing this out there and getting some feedback. > >> > > > > I strongly dislike adding this feature. I'd only consider supporting it if it was part of the SQL standard. > > > > Code is written once and read many times. This feature caters to the writer, not the reader. And furthermore usage of this is prone to be to the writer's detriment as well. > > I'd say this feature (at least for me) caters to the investigator; > someone who is interactively looking at data hence why it would cater > to the writer. Consider acquainting yourself with a large table that > has a large number of annoying-named fields where you want to look at > how different data is correlated or broken-down. Something along the > lines of: To me this looks like a feature that a data exploration tool may implement instead of being part of the server. It would then provide more statistics about each correlation/column set etc. -- Best Wishes, Ashutosh Bapat