Method Deserialize

r/src/extension-impl.cpp:70–88

}

arrow::Result<std::shared_ptr<arrow::DataType>> RExtensionType::Deserialize(
    std::shared_ptr<arrow::DataType> storage_type,
    const std::string& serialized_data) const {
  std::unique_ptr<RExtensionType> cloned = Clone();
  cloned->storage_type_ = storage_type;
  cloned->extension_metadata_ = serialized_data;

  // We could create an ephemeral R6 instance here, which will call the R6 instance's
  // deserialize_instance() method, possibly erroring when the metadata is
  // invalid or the deserialized values are invalid. The complexity of setting up
  // an event loop from wherever this *might* be called is high and hard to
  // predict. As a compromise, just create the instance when it is safe to
  // do so.
  if (MainRThread::GetInstance().IsMainThread()) {
    r6_instance();
  }

  return std::shared_ptr<RExtensionType>(cloned.release());
}

std::string RExtensionType::ToString() const { return ToString(false); }