presto-main/src/main/java/io/prestosql/sql/planner/optimizations/ActualProperties.java/ActualProperties/isCoordinatorOnly
class ActualProperties:        private boolean isCoordinatorOnly()
        {
            if (!nodePartitioning.isPresent()) {
                return false;
            }

            return nodePartitioning.get().getHandle().isCoordinatorOnly();
        }