presto-hive/src/main/java/io/prestosql/plugin/hive/metastore/thrift/ThriftMetastoreUtil.java/ThriftMetastoreUtil/getHiveBasicStatistics
class ThriftMetastoreUtil:    public static HiveBasicStatistics getHiveBasicStatistics(Map<String, String> parameters)
    {
        OptionalLong numFiles = parse(parameters.get(NUM_FILES));
        OptionalLong numRows = parse(parameters.get(NUM_ROWS));
        OptionalLong inMemoryDataSizeInBytes = parse(parameters.get(RAW_DATA_SIZE));
        OptionalLong onDiskDataSizeInBytes = parse(parameters.get(TOTAL_SIZE));
        return new HiveBasicStatistics(numFiles, numRows, inMemoryDataSizeInBytes, onDiskDataSizeInBytes);
    }