Re: order by is ambiguous

Travel Jadoo <jadoo@xs4all.nl> writes:
> I could not find any discussion on this but imho this seems an erroneous
> error occuring now in 7.3.4 (after upgrade from 7.2.3):

> select  null::time, 'test'::varchar as time order by time;
> ERROR:  ORDER BY 'time' is ambiguous

What's erroneous about it?  You have two output columns named 'time'.

            regards, tom lane