Method ConvertData

python/pyarrow/src/arrow/python/numpy_to_arrow.cc:473–484

template <typename ArrowType>
inline Status NumPyConverter::ConvertData(std::shared_ptr<Buffer>* data) {
  RETURN_NOT_OK(PrepareInputData<ArrowType>(data));

  ARROW_ASSIGN_OR_RAISE(auto input_type, NumPyDtypeToArrow(dtype_));

  if (!input_type->Equals(*type_)) {
    RETURN_NOT_OK(CastBuffer(input_type, *data, length_, null_bitmap_, null_count_, type_,
                             cast_options_, pool_, data));
  }

  return Status::OK();
}

template <>
inline Status NumPyConverter::ConvertData<Date32Type>(std::shared_ptr<Buffer>* data) {