Method ReadFile

cpp/src/parquet/metadata_benchmark.cc:95–105

  }

  void ReadFile(std::shared_ptr<Buffer> contents) {
    auto source = std::make_shared<BufferReader>(contents);
    ReaderProperties props;
    auto reader = ParquetFileReader::Open(source, props);
    auto metadata = reader->metadata();
    ARROW_CHECK_EQ(metadata->num_columns(), num_columns_);
    ARROW_CHECK_EQ(metadata->num_row_groups(), num_row_groups_);
    // There should be one row per row group
    ARROW_CHECK_EQ(metadata->num_rows(), num_row_groups_);
    reader->Close();
  }

 private:
  int num_columns_;