Method FinishDelta

cpp/src/arrow/array/builder_dict.h:476–484

\brief Return dictionary indices and a delta dictionary since the last time that Finish or FinishDelta were called, and reset state of builder (except the memo table)

  /// time that Finish or FinishDelta were called, and reset state of builder
  /// (except the memo table)
  Status FinishDelta(std::shared_ptr<Array>* out_indices,
                     std::shared_ptr<Array>* out_delta) {
    std::shared_ptr<ArrayData> indices_data;
    std::shared_ptr<ArrayData> delta_data;
    ARROW_RETURN_NOT_OK(FinishWithDictOffset(delta_offset_, &indices_data, &delta_data));
    *out_indices = MakeArray(indices_data);
    *out_delta = MakeArray(delta_data);
    return Status::OK();
  }

  /// \cond FALSE
  using ArrayBuilder::Finish;