Method MakeConverter

cpp/src/arrow/csv/inference_internal.h:103–148

  }

  Result<std::shared_ptr<Converter>> MakeConverter(MemoryPool* pool) {
    auto make_converter =
        [&](std::shared_ptr<DataType> type) -> Result<std::shared_ptr<Converter>> {
      return Converter::Make(type, options_, pool);
    };

    auto make_dict_converter =
        [&](std::shared_ptr<DataType> type) -> Result<std::shared_ptr<Converter>> {
      ARROW_ASSIGN_OR_RAISE(auto dict_converter,
                            DictionaryConverter::Make(type, options_, pool));
      dict_converter->SetMaxCardinality(options_.auto_dict_max_cardinality);
      return dict_converter;
    };

    switch (kind_) {
      case InferKind::Null:
        return make_converter(null());
      case InferKind::Integer:
        return make_converter(int64());
      case InferKind::Boolean:
        return make_converter(boolean());
      case InferKind::Date:
        return make_converter(date32());
      case InferKind::Time:
        return make_converter(time32(TimeUnit::SECOND));
      case InferKind::Timestamp:
        return make_converter(timestamp(TimeUnit::SECOND));
      case InferKind::TimestampNS:
        return make_converter(timestamp(TimeUnit::NANO));
      case InferKind::TimestampWithZone:
        return make_converter(timestamp(TimeUnit::SECOND, "UTC"));
      case InferKind::TimestampWithZoneNS:
        return make_converter(timestamp(TimeUnit::NANO, "UTC"));
      case InferKind::Real:
        return make_converter(float64());
      case InferKind::Text:
        return make_converter(utf8());
      case InferKind::Binary:
        return make_converter(binary());
      case InferKind::TextDict:
        return make_dict_converter(utf8());
      case InferKind::BinaryDict:
        return make_dict_converter(binary());
    }
    return Status::UnknownError("Shouldn't come here");
  }

 protected:
  void SetKind(InferKind kind) {