Marios Vodas <mvodas(at)gmail(dot)com> writes:
> Is it posible? Either by using heap_form_tuple or BuildTupleFromCStrings.
heap_form_tuple followed by HeapTupleGetDatum should work; that's what's
done in ExecEvalRow() for instance. You've omitted to tell us just
what's going wrong for you.
regards, tom lane