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From: Greg Sabino Mullane <[email protected]>
To: Dominique Devienne <[email protected]>
Cc: Andreas Joseph Krogh <[email protected]>
Cc: Tom Lane <[email protected]>
Cc: [email protected]
Subject: Re: Effects of REVOKE SELECT ON ALL TABLES IN SCHEMA pg_catalog FROM PUBLIC
Date: Thu, 12 Sep 2024 09:53:02 -0400
Message-ID: <CAKAnmm+qs8yrviNEbdJf-NLwBiYSxWYN0RHJkcCTjZZVyY8huA@mail.gmail.com> (raw)
In-Reply-To: <CAFCRh-8cornyWJPgKGgLr12d4CMvOEaOOw6yQtJNAqYSC0fYCg@mail.gmail.com>
References: <VisenaEmail.0.81936c517b2d9cfe.191e44de951@origo-test01.app.internal.visena.net>
	<[email protected]>
	<VisenaEmail.1.4f10ceb0099d6ab1.191e48a6946@origo-test01.app.internal.visena.net>
	<CAKAnmm+SrS1=ggcc9qCAXd=uzJWzwH_CciM+aRr-PtDZjrEuRA@mail.gmail.com>
	<CAFCRh-8cornyWJPgKGgLr12d4CMvOEaOOw6yQtJNAqYSC0fYCg@mail.gmail.com>

On Thu, Sep 12, 2024 at 9:12 AM Dominique Devienne <[email protected]>
wrote:

> On Thu, Sep 12, 2024 at 3:06 PM Greg Sabino Mullane <[email protected]>
> wrote:
> > (Also note that determining if a database or user exists does not even
> require a successful login to the cluster.)
>
> Hi. How so? I was not aware of such possibilities.
> Can you please give pointers (docs, examples) of this?
>

$ psql -U eve
psql: error: connection to server on socket "/tmp/.s.PGSQL.5432" failed:
FATAL:  role "eve" does not exist

$ psql -U postgres -d theater
psql: error: connection to server on socket "/tmp/.s.PGSQL.5432" failed:
FATAL:  database "theater" does not exist

$ psql -U alice -d template1
psql: error: connection to server on socket "/tmp/.s.PGSQL.5432" failed:
FATAL:  password authentication failed for user "alice"

Cheers,
Greg


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  Subject: Re: Effects of REVOKE SELECT ON ALL TABLES IN SCHEMA pg_catalog FROM PUBLIC
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