=?iso-8859-1?Q?Micha=EBl_Fiey?= <m.fiey@futuresoundtech.com> writes:
> It does not work and return "get_sortgroupclause_expr: ORDER/GROUP BY
> expression not found in targetlist"
Just one of the many bugs in our old UNION/INTERSECT/EXCEPT code :-(
It's fixed for 7.1.
regards, tom lane