Method FinishWithDictOffset

cpp/src/arrow/array/builder_dict.h:538–551

  }

  Status FinishWithDictOffset(int64_t dict_offset,
                              std::shared_ptr<ArrayData>* out_indices,
                              std::shared_ptr<ArrayData>* out_dictionary) {
    // Finalize indices array
    ARROW_RETURN_NOT_OK(indices_builder_.FinishInternal(out_indices));

    // Generate dictionary array from hash table contents
    ARROW_RETURN_NOT_OK(memo_table_->GetArrayData(dict_offset, out_dictionary));
    delta_offset_ = memo_table_->size();

    // Update internals for further uses of this DictionaryBuilder
    ArrayBuilder::Reset();
    return Status::OK();
  }

  std::unique_ptr<DictionaryMemoTable> memo_table_;