code: def dbRestore(self, db_value, context=None):
          
          if isinstance(db_value, (int, long, float)):
              return datetime.datetime.fromtimestamp(db_value)
          else:
              return super(UTC_TimestampColumn, self).dbRestore(db_value, context=context)
docs: Restores the value from a table cache for usage.
  
          :param      value   | <variant>
                      context | <orb.Context> || None