Re: Fix output of zero privileges in psql

On Mon, 2023-10-09 at 03:53 +0200, Erik Wienhold wrote:
> On 2023-10-08 06:14 +0200, Laurenz Albe write:
> > On Sat, 2023-10-07 at 20:41 +0200, Erik Wienhold wrote:
> > > > If you are happy enough with my patch, shall we mark it as ready for
> > > > committer?
> > >
> > > I amended your patch to also document the effect of \pset null in this
> > > case.  See the attached v2.
> >
> > +1
> >
> > If you mention in ddl.sgml that you can use "\pset null" to distinguish
> > default from no privileges, you should mention that this only works with
> > psql.  Many people out there don't use psql.
>
> I don't think this is necessary because that section in ddl.sgml is
> already about psql and \dp.

You are right.

> > Also, I'm not sure if "zero privileges" will be readily understood by
> > everybody.  Perhaps "no privileges at all, even for the object owner"
> > would be a better wording.
>
> Changed in v3 to "empty privileges" with an explanation that this means
> "no privileges at all, even for the object owner".

Looks good.

> > Perhaps it would also be good to mention this in the psql documentation.
>
> Just once under  \pset null  with a reference to section 5.7?  Something
> like "This is also useful for distinguishing default privileges from
> empty privileges as explained in Section 5.7."
>
> Or instead under every command affected by this change?  \dp and \ddp
> already have such a reference ("The meaning of the privilege display is
> explained in Section 5.7.")
>
> I prefer the first one because it's less effort ;)  Also done in v3.

I think that sufficient.

I tinkered a bit with your documentation.  For example, the suggestion to
"\pset null" seemed to be in an inappropriate place.  Tell me what you think.

Yours,
Laurenz Albe