presto-main/src/main/java/io/prestosql/sql/planner/optimizations/ActualProperties.java/ActualProperties/partitionedOn
class ActualProperties:        public static Global partitionedOn(Partitioning nodePartitioning, Optional<Partitioning> streamPartitioning)
        {
            return new Global(
                    Optional.of(nodePartitioning),
                    streamPartitioning,
                    false);
        }