Method NextChunk

cpp/src/parquet/arrow/reader_internal.h:74–83

  virtual ~FileColumnIterator() {}

  std::unique_ptr<::parquet::PageReader> NextChunk() {
    if (row_groups_.empty()) {
      return nullptr;
    }

    row_group_index_ = row_groups_.front();
    auto row_group_reader = reader_->RowGroup(row_group_index_);
    row_groups_.pop_front();
    return row_group_reader->GetColumnPageReader(column_index_);
  }

  const SchemaDescriptor* schema() const { return schema_; }