Function TopKDefault

cpp/src/arrow/compute/api_vector.h:164–173

  static SelectKOptions Defaults() { return SelectKOptions(); }

  static SelectKOptions TopKDefault(int64_t k, std::vector<std::string> key_names = {}) {
    std::vector<SortKey> keys;
    for (const auto& name : key_names) {
      keys.emplace_back(SortKey(name, SortOrder::Descending));
    }
    if (key_names.empty()) {
      keys.emplace_back(SortKey("not-used", SortOrder::Descending));
    }
    return SelectKOptions{k, keys};
  }
  static SelectKOptions BottomKDefault(int64_t k,
                                       std::vector<std::string> key_names = {}) {
    std::vector<SortKey> keys;