Project cols in order different from GB cols results in exception

[jpullokkaran]

When cols are specified in an order different from GB, query fails.

select cast(o_orderdate as date) as y, o_orderstatus as x
from orderLineItemPartSupplier
where o_orderdate = '1994-06-30'
group by o_orderstatus, cast(o_orderdate as date)
order by x, y