Re: [EXT]: Re: BUG #18604: Regression in PostgreSQL 16.4: pg_dump Prevents Essential System Table Modifications - Mailing list pgsql-bugs

Christophe Pettus <xof@thebuild.com> writes:
> The real problem you're trying to solve that that users can discover the existence of databases that they can't
connectto.  That's much more imaginable, although I'm not sure how practical it would be.  At minimum, the default
behaviorwould have to be the same as it is now (or lots of things that work now would break), so introducing a new role
privilegeof "can see all databases" wouldn't be a great way forward. 

Even more to the point: that doesn't really seem like a problem
worth putting development and ongoing maintenance effort into.
What does it matter if someone can see that database XYZ exists,
as long as they can't connect to it?

            regards, tom lane