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From: Dominique Devienne <[email protected]>
To: Tom Lane <[email protected]>
Cc: David G. Johnston <[email protected]>
Cc: [email protected] <[email protected]>
Subject: Re: DROP ROLE as SUPERUSER
Date: Thu, 20 Feb 2025 17:21:13 +0100
Message-ID: <CAFCRh-8cS+crZ52=TQcMWy1rasCiKr9PrnCU9CObXfiNJFXYEg@mail.gmail.com> (raw)
In-Reply-To: <[email protected]>
References: <CAFCRh-_3+E3-pmdH+i5jUE-8Z1jJWxxdP3EcFjTbHVWM+oEweg@mail.gmail.com>
	<CAKFQuwb-pHsxJF22fAp2Vb1jwbQxTVxXhuLzjaocsB5LEUEb5w@mail.gmail.com>
	<[email protected]>

On Thu, Feb 20, 2025 at 5:05 PM Tom Lane <[email protected]> wrote:

> "David G. Johnston" <[email protected]> writes:
> > On Thursday, February 20, 2025, Dominique Devienne <[email protected]>
> > wrote:
> >> Hi. Today I was surprised that REVOKE ALL ON DATABASE FROM ROLE silently
> >> did nothing, even with CASCADE, when I was running it as SUPERUSER,
> >> preventing DROP'ing the ROLE. I had to manually SET ROLE to the
> GRANTOR, do
> >> the REVOKE, which DID something this time, and then I could DROP the
> role.
>
> > This has nothing to do with power/permissions.  It is about not
> specifying
> > “granted by” in your SQL command and thus failing to fully and correctly
> > specify the single permission you want to revoke.
>
> It used to be that if a superuser issued GRANT/REVOKE, the operation
> was silently done as the owner of the affected object.  That was
> always a bit of a wart, since among other things it meant that the
> object owner could undo it.  Now you have to say "GRANTED BY <owner>"
> to get that effect.  I'm not entirely sure, but I think this is closer
> to what the SQL standard says.
>

I wasn't aware of GRANTED BY, thanks for that.

But that's not much better. It's basically like the SET ROLE to the GRANTOR
I did.
I guess what I want is GRANTED BY ANYONE! And not have to figure out
GRANTOR(s).

Also, note that GRANTOR is not even the owner of the DATABASE in my case.
--DD

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