From: Tom Lane <tgl@sss.pgh.pa.us>
To: Andres Freund <andres@anarazel.de>
Cc: Aditya D <dsaditya91@gmail.com>
Cc: pgsql-admin <pgsql-admin@lists.postgresql.org>
Subject: Re: pg_restore -L reordering of the statements does not work
Date: Tue, 14 Nov 2023 17:40:02 -0500
Message-ID: <2537261.1700001602@sss.pgh.pa.us> (raw)
In-Reply-To: <20231114222743.x2c2r74ttgom2cfx@awork3.anarazel.de>
References: <CAEATte6vgZr6d2abZo9_wxTarwQP3TC_NLpCKTDzWW4E4OB9cw@mail.gmail.com>
<1589825.1698431686@sss.pgh.pa.us>
<20231114194933.ci3nxol3avtisyrs@awork3.anarazel.de>
<2522830.1699994542@sss.pgh.pa.us>
<20231114222743.x2c2r74ttgom2cfx@awork3.anarazel.de>
Andres Freund <andres@anarazel.de> writes:
> On 2023-11-14 15:42:22 -0500, Tom Lane wrote:
>> Moreover, reordering the GRANTs is no solution, because who promised that
>> the schema owner granted you any permissions?
> I'm not quite following - the schema is created in the dump, so the grant is
> part of it?
Yeah, but the GRANT will restore whatever permissions existed in the
source database. If the restoring user isn't super, those permissions
don't necessarily grant him access.
>> I experimented with making the restoring user be a member with inherit
>> of the nosuper_N roles, and indeed I still see the failure above,
>> which makes me wonder if the ACL check is being done correctly for
>> that specific case. The INHERIT bit ought to let it work.
> The check is for nosuper_2 to have permission on the schema
... no, it should be for the user executing the ALTER to have permission.
> ... and the check
> happens before the grant on the schema. For inherit to help, nosuper_2 would
> have to be granted membership to the presumably more privileged user doing the
> restore.
No, surely the other way? Restoring user must be member of nosuper_2,
else the ALTER OWNER won't work either.
regards, tom lane
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To: pgsql-admin@postgresql.org
Cc: tgl@sss.pgh.pa.us, andres@anarazel.de, dsaditya91@gmail.com, pgsql-admin@lists.postgresql.org
Subject: Re: pg_restore -L reordering of the statements does not work
In-Reply-To: <2537261.1700001602@sss.pgh.pa.us>
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