Method updateSelectedByName

c++/src/Reader.cc:229–245

  }

  void ColumnSelector::updateSelectedByName(std::vector<bool>& selectedColumns,
                                            const std::string& fieldName) {
    std::map<std::string, uint64_t>::const_iterator ite = nameIdMap_.find(fieldName);
    if (ite != nameIdMap_.end()) {
      updateSelectedByTypeId(selectedColumns, ite->second);
    } else {
      bool first = true;
      std::ostringstream ss;
      ss << "Invalid column selected " << fieldName << ". Valid names are ";
      for (auto it = nameIdMap_.begin(); it != nameIdMap_.end(); ++it) {
        if (!first) ss << ", ";
        ss << it->first;
        first = false;
      }
      throw ParseError(ss.str());
    }
  }

  ColumnSelector::ColumnSelector(const FileContents* contents) : contents_(contents) {
    buildTypeNameIdMap(contents_->schema.get());