Method ReadRowGroup

cpp/src/parquet/arrow/reader.cc:327–330

  }

  Result<std::shared_ptr<Table>> ReadRowGroup(
      int row_group_index, const std::vector<int>& column_indices) override {
    return ReadRowGroups({row_group_index}, column_indices);
  }

  Result<std::shared_ptr<Table>> ReadRowGroup(int i) override {
    return ReadRowGroup(i, Iota(reader_->metadata()->num_columns()));