#[test]
  fn test_read_structs() {
      let testdata = arrow::util::test_util::parquet_test_data();
      let path = format!("{}/nested_structs.rust.parquet", testdata);
      let parquet_file_reader =
          SerializedFileReader::try_from(File::open(&path).unwrap()).unwrap();
      let mut arrow_reader = ParquetFileArrowReader::new(Arc::new(parquet_file_reader));
     
      let mut projected = arrow_reader.get_record_reader_by_columns(vec![0], 60).unwrap();

      let batch = projected.next().unwrap().unwrap();
      assert_eq!(projected.schema, batch.schema());

      let schema = batch.schema();
      assert_eq!(batch.column(0).data_type(), schema.field(0).data_type());
  }

required group field_id=-1 schema {
  required group field_id=-1 roll_num {
    required int64 field_id=-1 min (Int(bitWidth=64, isSigned=true));
    required int64 field_id=-1 max (Int(bitWidth=64, isSigned=true));
    required int64 field_id=-1 mean (Int(bitWidth=64, isSigned=true));
    required int64 field_id=-1 count (Int(bitWidth=64, isSigned=false));
    required int64 field_id=-1 sum (Int(bitWidth=64, isSigned=true));
    required int64 field_id=-1 variance (Int(bitWidth=64, isSigned=true));
  }
}

required group field_id=-1 schema {
  required group field_id=-1 roll_num {
    required int64 field_id=-1 min (Int(bitWidth=64, isSigned=true))
  }
}