Method environmentType

src/utilities/sql/SqlFile_Impl.cpp:1169–1181

  };

  boost::optional<EnvironmentType> SqlFile_Impl::environmentType(const std::string& envPeriod) const {
    boost::optional<EnvironmentType> result;
    std::string query = "SELECT EnvironmentType FROM environmentperiods WHERE EnvironmentName=? COLLATE NOCASE";
    boost::optional<int> temp = execAndReturnFirstInt(query, envPeriod);
    if (temp) {
      try {
        result = EnvironmentType(*temp);
      } catch (...) {
        LOG(Error, "Could not convert integer value " << *temp << " to EnvironmentType");
      }
    }
    return result;
  }

  OptionalDouble SqlFile_Impl::economicsEnergyCost() const {
    return execAndReturnFirstDouble(