On 11/1/21, 10:43 AM, "Stephen Frost" <sfrost@snowman.net> wrote:
> Folks playing around in the catalog can break lots of things, I don't
> really see this as an argument against the idea.
>
> I do wonder if we should put a bit more effort into preventing people
> from messing with functions and such in pg_catalog. Being able to do
> something like:
>
> create or replace function xpath ( text, xml ) returns xml[]
> as $$ begin return 'xml'; end; $$ language plpgsql;
>
> (or with much worse functions..) strikes me as just a bit too easy to
> mistakenly cause problems as a superuser. Still, that's really an
> independent issue from this discussion. It's not like someone breaking
> CHECKPOINT; would actually impact normal checkpoints anyway.
Yeah, I see your point.
Nathan