On Sat, Jul 11, 2020 at 10:59 PM Tom Lane <t...@sss.pgh.pa.us> wrote:
> Alexander Korotkov <aekorot...@gmail.com> writes:
> > The proposed patch is attached.  This patch is fixes two points:
> >  * Adds strategy number and purpose to output of \dAo
> >  * Renames "Left/right arg type" columns of \dAp to "Registered left/right 
> > type"
>
> I think that \dAp should additionally be changed to print the
> function via "oid::regprocedure", not just proname.  A possible
> compromise, if you think that's too wordy, is to do it that
> way for "\dAp+" while printing plain proname for "\dAp".

Good compromise.  Done as you proposed.

> BTW, isn't this:
>
>                       "  format ('%%s (%%s, %%s)',\n"
>                       "    CASE\n"
>                       "      WHEN pg_catalog.pg_operator_is_visible(op.oid) 
> \n"
>                       "      THEN op.oprname::pg_catalog.text \n"
>                       "      ELSE 
> o.amopopr::pg_catalog.regoper::pg_catalog.text \n"
>                       "    END,\n"
>                       "    pg_catalog.format_type(o.amoplefttype, NULL),\n"
>                       "    pg_catalog.format_type(o.amoprighttype, NULL)\n"
>                       "  ) AS \"%s\"\n,"
>
> just an extremely painful way to duplicate the results of regoperator?
> (You could likely remove the joins to pg_proc and pg_operator altogether
> if you relied on regprocedure and regoperator casts.)

Yeah, this subquery is totally dumb.  Replaced with cast to regoperator.

> > I'm not yet convinced we should change the sort key for \dAo.
>
> After playing with this more, I'm less worried about that than
> I was.  I think I was concerned that the operator name would
> sort ahead of amopstrategy, but now I see that the op name isn't
> part of the sort key at all.

Ok.

> BTW, these queries seem inadequately schema-qualified, notably
> the format() calls.

Thank you for pointing.  I've added schema-qualification to pg_catalog
functions and tables.

------
Regards,
Alexander Korotkov

Attachment: 0001-Improvements-to-psql-dAo-and-dAp-commands-2.patch
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