Method schema

r/src/recordbatchreader.cpp:140–140

      : done_(false), schema_(reader->schema()), reader_(reader), num_rows_(num_rows) {}

  std::shared_ptr<arrow::Schema> schema() const override { return schema_; }

  arrow::Status ReadNext(std::shared_ptr<arrow::RecordBatch>* batch_out) override {
    if (done_) {