Method SetData

cpp/src/arrow/array/array_dict.cc:88–94

}

void DictionaryArray::SetData(const std::shared_ptr<ArrayData>& data) {
  this->Array::SetData(data);
  auto indices_data = data_->Copy();
  indices_data->type = dict_type_->index_type();
  indices_data->dictionary = nullptr;
  indices_ = MakeArray(indices_data);
}

DictionaryArray::DictionaryArray(const std::shared_ptr<DataType>& type,
                                 const std::shared_ptr<Array>& indices,