presto-hive/src/main/java/io/prestosql/plugin/hive/HiveBasicStatistics.java/HiveBasicStatistics/toString
class HiveBasicStatistics:    @Override
    public String toString()
    {
        return toStringHelper(this)
                .add("fileCount", fileCount)
                .add("rowCount", rowCount)
                .add("inMemoryDataSizeInBytes", inMemoryDataSizeInBytes)
                .add("onDiskDataSizeInBytes", onDiskDataSizeInBytes)
                .toString();
    }