Re: [PATCH] Add regress test for pg_read_all_stats role

On Fri, Aug 24, 2018 at 03:37:17PM +0100, Alexandra Ryzhevich wrote:
> CONNECT ON DATABASE privilege is granted to public by default (so
> all users by default can select pg_database_size()) and
> REVOKE CONNECT ... FROM <username> command doesn't impact
> user's privileges. The only way to revoke connect privilege from user
> is to revoke it from public. That's why maybe it will be less harmful
> just to remove pg_database_size tests at all. But will it be better to
> remove pg_tablespace_size() tests also? if possible costs are more
> harmful than not testing this code path then I'll remove these tests
> also.

Sorry for the delay, Alexandra, and thanks for the new version.  I have
removed the tests related to pg_tablespace_size as they are costly and
those for vacuum_cost_delay as we didn't gain more with those tests.
The rest has been committed, which makes a good first cut.
--
Michael