public SortRel copy(
RelTraitSet traitSet, RelNode newInput, List<RelFieldCollation> newCollations) {
assert traitSet.comprises(Convention.NONE);
return new SortRel(
getCluster(), getCluster().traitSetOf(Convention.NONE), newInput, newCollations);
}
public RelNode copy(RelTraitSet traitSet, List<RelNode> inputs) {
assert traitSet.comprises(Convention.NONE);
assert inputs.isEmpty();
return new ValuesRel(getCluster(), rowType, tuples);
}