code: def update(self, _values=None, **values):
          
          if _values is not None:
              values.update(_values)
  
          values = OrderedDict(sorted(values.items()))
  
          bindings = list(values.values()) + self.get_bindings()
  
          sql = self._grammar.compile_update(self, values)
  
          return self._connection.update(sql, self._clean_bindings(bindings))
docs: Update a record in the database
  
          :param values: The values of the update
          :type values: dict
  
          :return: The number of records affected
          :rtype: int