Re: Orphaned users in PG16 and above can only be managed by Superusers

From: Robert Haas <robertmhaas(at)gmail(dot)com>
To: Andres Freund <andres(at)anarazel(dot)de>
Cc: Tomas Vondra <tomas(at)vondra(dot)me>, Ashutosh Sharma <ashu(dot)coek88(at)gmail(dot)com>, pgsql-hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Orphaned users in PG16 and above can only be managed by Superusers
Date: 2025-01-23 21:06:15
Message-ID: CA+TgmoamUHwazAL-qYOVSZX9BSXEa_OMHP2+fVsaPdE9j4RH0g@mail.gmail.com
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On Thu, Jan 23, 2025 at 3:51 PM Andres Freund <andres(at)anarazel(dot)de> wrote:
> I wonder if it's a mistake that a role membership that has WITH ADMIN on
> another role is silently removed if the member role is removed. We e.g. do
> *not* do that for pg_auth_members.grantor:
>
> ERROR: 2BP01: role "r1" cannot be dropped because some objects depend on it
> DETAIL: privileges for membership of role r2 in role r3

Yeah, I'm not sure about this either, but this is the kind of thing I
was thinking about when I replied before, saying that maybe dropping
role B shouldn't just succeed. Maybe dropping a role that doesn't have
privileges to administer any other role should be different than
dropping one that does.

--
Robert Haas
EDB: http://www.enterprisedb.com

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