presto-hive/src/main/java/io/prestosql/plugin/hive/metastore/SemiTransactionalHiveMetastore.java/PartitionAndMore/toString
class PartitionAndMore:        @Override
        public String toString()
        {
            return toStringHelper(this)
                    .add("partition", partition)
                    .add("currentLocation", currentLocation)
                    .add("fileNames", fileNames)
                    .toString();
        }