Method ReadRecordBatchAsync

cpp/src/arrow/ipc/reader.cc:1394–1406

  }

  Future<std::shared_ptr<RecordBatch>> ReadRecordBatchAsync(int i) {
    DCHECK_GE(i, 0);
    DCHECK_LT(i, num_record_batches());

    auto cached_metadata = cached_metadata_.find(i);
    if (cached_metadata != cached_metadata_.end()) {
      return ReadCachedRecordBatch(i, cached_metadata->second);
    }

    return Status::Invalid(
        "Asynchronous record batch reading is only supported after a call to "
        "PreBufferMetadata or PreBufferBatches");
  }

  Result<std::shared_ptr<RecordBatch>> ReadRecordBatch(int i) override {
    ARROW_ASSIGN_OR_RAISE(auto batch_with_metadata, ReadRecordBatchWithCustomMetadata(i));