Re: Recent updates

> What does 'select null order by 1;' do now?

postgres=> select null order by 1;
ERROR:  type id lookup of 0 failed

Darn. That doesn't touch the UNION code, so will need to look elsewhere
I guess.

> I have renamed the append struct names just now as part of an EXPLAIN
> fix.  Should not affect you.

OK.

                    - Tom