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Re: How about a psql backslash command to show GUCs?

Julien Rouhaud <rjuju123@gmail.com>

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From: Julien Rouhaud <rjuju123@gmail.com>
To: Tom Lane <tgl@sss.pgh.pa.us>
Cc: Christoph Berg <myon@debian.org>, Pavel Stehule <pavel.stehule@gmail.com>, "David G. Johnston" <david.g.johnston@gmail.com>, Joe Conway <mail@joeconway.com>, Mark Dilger <mark.dilger@enterprisedb.com>, Andrew Dunstan <andrew@dunslane.net>, David Rowley <dgrowleyml@gmail.com>, Alvaro Herrera <alvherre@alvh.no-ip.org>, PostgreSQL Developers <pgsql-hackers@lists.postgresql.org>
Date: 2022-04-09T15:58:24Z
Lists: pgsql-hackers 
On Sat, Apr 09, 2022 at 10:31:17AM -0400, Tom Lane wrote:
> Christoph Berg <myon@debian.org> writes:
> 
> > I would think that if \dconfig showed the non-default settings only,
> > it would be much more useful; the full list would still be available
> > with "\dconfig *". This is in line with \dt only showing tables on the
> > search_path, and "\dt *.*" showing all.
> 
> Hm, I could get on board with that -- any other opinions?

+1 for it, that's often what I'm interested in when looking at the GUCs in
general.

> (Perhaps there's an argument for omitting "override"
> settings as well?)

-0.1.  Most are usually not useful, but I can see at least data_checksums and
wal_buffers that are still interesting.

Commits

Same data as JSON: GET /api/v1/messages/:b64id/commits the thread's linked commits as JSON, with link sources. API reference →

  1. Be more careful about GucSource for internally-driven GUC settings.

  2. Fix case sensitivity in psql's tab completion for GUC names.

  3. Further tweak the default behavior of psql's \dconfig.

  4. Tweak the default behavior of psql's \dconfig.

  5. psql: add \dconfig command to show server's configuration parameters.

  6. Allow granting SET and ALTER SYSTEM privileges on GUC parameters.