Re: EXPLAIN omits schema?

On Wed, Jun 13, 2007 at 09:55:19AM -0400, Alvaro Herrera wrote:
> Magnus Hagander wrote:
> > On Wed, Jun 13, 2007 at 08:47:30AM -0400, Alvaro Herrera wrote:
> > > Magnus Hagander wrote:
> > >
> > > > Just to open a whole new can of worms ;-)
> > > >
> > > > I read an article a couple of days ago about the "machine readable showplan
> > > > output" in SQL Server 2005 (basically, it's EXPLAIN output but in XML
> > > > format). It does make a lot of sense if yourp rimary interface is !=
> > > > commandline (psql), such as pgadmin or phppgadmin. The idea being that you
> > > > can stick in *all* the details you want, since you can't possibly clutter
> > > > up the display. And you stick them in a well-defined XML format (or another
> > > > format if you happen to hate XML) where the client-side program can easily
> > > > parse out whatever it needs. It's also future-proof - if you add a new
> > > > field somewhere, the client program parser won't break.
> > > >
> > > > Something worth doing? Not to replace the current explain output, but as a
> > > > second option (EXPLAIN XML whatever)?
> > >
> > > FYI a patch was posted for this some time ago, because a friend of mine
> > > wanted to help a student to write an EXPLAIN parsing tool.
> >
> > Didn't see that one. Explain in XML format? Got an URL for it, I can't seem
> > to find it on -patches.
>
> I can't find the patch itself ... maybe he didn't ever post it. He last
> talked about it here:
> http://archives.postgresql.org/pgsql-hackers/2006-04/msg00455.php
>
> BTW can I bug you to add the Message-Ids in the messages as displayed in
> our archives?

No. Because I don't know how to do that :-) And what work is done to th
archives should be done to redo the whole thing and not bandaid what we
have now.

That said, you can get the message-id if you do a view-source. It's in a
comment at the beginning of the page.

//Magnus