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

Jonathan S. Katz <jkatz@postgresql.org>

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From: "Jonathan S. Katz" <jkatz@postgresql.org>
To: Tom Lane <tgl@sss.pgh.pa.us>, Christoph Berg <myon@debian.org>
Cc: Robert Haas <robertmhaas@gmail.com>, Justin Pryzby <pryzby@telsasoft.com>, Julien Rouhaud <rjuju123@gmail.com>, 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 Hackers <pgsql-hackers@lists.postgresql.org>
Date: 2022-06-08T00:09:18Z
Lists: pgsql-hackers 
On 6/7/22 1:02 PM, Tom Lane wrote:

> In any case, I expect that we'd apply this patch only to HEAD, which
> means that when using psql's \dconfig against a pre-v15 server,
> you'd still see these settings that we're trying to hide.
> That doesn't bother me too much, but maybe some would find it
> confusing.

Well, "\dconfig" is a v15 feature, and though it's in the client, the 
best compatibility for it will be with v15. I think it's OK to have the 
behavior different in v15 vs. older versions.

Jonathan

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.