Method DictionaryScalar

cpp/src/arrow/scalar.cc:766–771

}

DictionaryScalar::DictionaryScalar(std::shared_ptr<DataType> type)
    : internal::PrimitiveScalarBase(std::move(type)),
      value{MakeNullScalar(checked_cast<const DictionaryType&>(*this->type).index_type()),
            MakeArrayOfNull(checked_cast<const DictionaryType&>(*this->type).value_type(),
                            0)
                .ValueOrDie()} {}

Result<std::shared_ptr<Scalar>> DictionaryScalar::GetEncodedValue() const {
  const auto& dict_type = checked_cast<DictionaryType&>(*type);