Re: Possibility to disable `ALTER SYSTEM`

Jelte Fennema-Nio <postgres@jeltef.nl>

From: Jelte Fennema-Nio <postgres@jeltef.nl>

To: Bruce Momjian <bruce@momjian.us>

Cc: Robert Haas <robertmhaas@gmail.com>, Heikki Linnakangas <hlinnaka@iki.fi>, PostgreSQL Hackers <pgsql-hackers@postgresql.org>, Daniel Gustafsson <daniel@yesql.se>, Tom Lane <tgl@sss.pgh.pa.us>, Joel Jacobson <joel@compiler.org>, Andrew Dunstan <andrew@dunslane.net>, Gabriele Bartolini <gabriele.bartolini@enterprisedb.com>, Magnus Hagander <magnus.hagander@redpill-linpro.com>, Maciek Sakrejda <m.sakrejda@gmail.com>

Date: 2024-03-25T20:40:55Z

Lists: pgsql-hackers

Commits

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

Add allow_alter_system GUC.
- d3ae2a24f265 17.0 landed
Rename COMPAT_OPTIONS_CLIENT to COMPAT_OPTIONS_OTHER.
- de7e96bd0fc6 17.0 landed
Remove support for version-0 calling conventions.
- 5ded4bd21403 10.0 cited

On Mon, 25 Mar 2024 at 20:16, Bruce Momjian <bruce@momjian.us> wrote:
> I am wondering if the fact that you would be able to do:
>
>         ALTER SYSTEM SET externally_managed_configuration = false
>
> and then be unable to use ALTER SYSTEM to revert the change is
> significant.

This is not possible, due to the externally_managed_configuration GUC
having the GUC_DISALLOW_IN_AUTO_FILE flag.

> Isn't "configuration" too generic a term for disabling ALTER SYSTEM?

maybe "externally_managed_auto_config"