presto-hive/src/main/java/io/prestosql/plugin/hive/HivePartition.java/HivePartition/equals
class HivePartition:    @Override
    public boolean equals(Object obj)
    {
        if (this == obj) {
            return true;
        }
        if (obj == null || getClass() != obj.getClass()) {
            return false;
        }
        HivePartition other = (HivePartition) obj;
        return Objects.equals(this.partitionId, other.partitionId);
    }