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