comparetup_datum(const SortTuple *a, const SortTuple *b, Tuplesortstate *state)
{
	return ApplySortComparator(a->datum1, a->isnull1,
							   b->datum1, b->isnull1,
							   state->onlyKey);
}
comparetup_datum(const SortTuple *a, const SortTuple *b, Tuplesortstate *state)
{
	return ApplySortComparator(a->datum1, a->isnull1,
							   b->datum1, b->isnull1,
							   state->onlyKey);
}