Re: t_self as system column

Excerpts from Robert Haas's message of mar jul 06 10:08:21 -0400 2010:

> Treating OID as a user-defined column seems reasonable, and probably
> not even that messy if we put some appropriate macros in place.  I'm
> guessing the messy part would be finding all the places that expect to
> be consulting a real pg_attribute row and supplying them with a
> faked-up one in its place.

Agreed.

I'm intending to work on logical column identifiers for 9.1.  Perhaps I
could try to have a look at this, too, while at it.