code: def path_upper(
          self, object_id, limit_depth=1000000, db_session=None, *args, **kwargs
      ):
          
          return self.service.path_upper(
              object_id=object_id,
              limit_depth=limit_depth,
              db_session=db_session,
              *args,
              **kwargs
          )
docs: This returns you path to root node starting from object_id
              currently only for postgresql
  
          :param object_id:
          :param limit_depth:
          :param db_session:
          :return: