Function MakeDictionaryBuilder

cpp/src/arrow/builder.cc:331–339

}

Status MakeDictionaryBuilder(MemoryPool* pool, const std::shared_ptr<DataType>& type,
                             const std::shared_ptr<Array>& dictionary,
                             std::unique_ptr<ArrayBuilder>* out) {
  const auto& dict_type = static_cast<const DictionaryType&>(*type);
  DictionaryBuilderCase visitor = {
      pool,       dict_type.index_type(),     dict_type.value_type(),
      dictionary, /*exact_index_type=*/false, out};
  return visitor.Make();
}

}  // namespace arrow