code: function extractResponseVal(res) {
          if (_u.isArray(res) && res.length && _u.isObject(res[0])) {
              var resObj = _u.values(res[0]);
  
              if (resObj.length) {
                  return resObj[0];
              }
          }
      }
docs: (private) Extract the value from a database response
  @param {Array} res A database response array
  @return {*}