Method Convert

python/pyarrow/src/arrow/python/numpy_to_arrow.cc:114–122

Convert the given array's null values to a null bitmap. The null bitmap is only allocated if null values are ever possible.

  /// Convert the given array's null values to a null bitmap.
  /// The null bitmap is only allocated if null values are ever possible.
  static Status Convert(MemoryPool* pool, PyArrayObject* arr, bool from_pandas,
                        std::shared_ptr<ResizableBuffer>* out_null_bitmap_,
                        int64_t* out_null_count) {
    NumPyNullsConverter converter(pool, arr, from_pandas);
    RETURN_NOT_OK(VisitNumpyArrayInline(arr, &converter));
    *out_null_bitmap_ = converter.null_bitmap_;
    *out_null_count = converter.null_count_;
    return Status::OK();
  }

  template <int TYPE>
  Status Visit(PyArrayObject* arr) {