presto-main/src/main/java/io/prestosql/sql/planner/optimizations/ActualProperties.java/Global/equals
class Global:        @Override
        public boolean equals(Object obj)
        {
            if (this == obj) {
                return true;
            }
            if (obj == null || getClass() != obj.getClass()) {
                return false;
            }
            final Global other = (Global) obj;
            return Objects.equals(this.nodePartitioning, other.nodePartitioning) &&
                    Objects.equals(this.streamPartitioning, other.streamPartitioning) &&
                    this.nullsAndAnyReplicated == other.nullsAndAnyReplicated;
        }