Re: Possibility to disable `ALTER SYSTEM`

From: Bruce Momjian <bruce(at)momjian(dot)us>
To: Robert Haas <robertmhaas(at)gmail(dot)com>
Cc: Jelte Fennema-Nio <postgres(at)jeltef(dot)nl>, Heikki Linnakangas <hlinnaka(at)iki(dot)fi>, PostgreSQL Hackers <pgsql-hackers(at)postgresql(dot)org>, Daniel Gustafsson <daniel(at)yesql(dot)se>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Joel Jacobson <joel(at)compiler(dot)org>, Andrew Dunstan <andrew(at)dunslane(dot)net>, Gabriele Bartolini <gabriele(dot)bartolini(at)enterprisedb(dot)com>, Magnus Hagander <magnus(dot)hagander(at)redpill-linpro(dot)com>, Maciek Sakrejda <m(dot)sakrejda(at)gmail(dot)com>
Subject: Re: Possibility to disable `ALTER SYSTEM`
Date: 2024-03-25 19:16:09
Message-ID: ZgHNeR2qlxofPH_W@momjian.us
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On Mon, Mar 25, 2024 at 01:29:46PM -0400, Robert Haas wrote:
> What is less clear is whether there is a consensus in favor of this
> particular method of disabling ALTER SYSTEM, namely, via a GUC. The
> two alternate approaches that seem to enjoy some level of support are
> (a) an extension or (b) changing the permissions on the files.

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. I can't think of many such cases.

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

--
Bruce Momjian <bruce(at)momjian(dot)us> https://momjian.us
EDB https://enterprisedb.com

Only you can decide what is important to you.

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