code: def merged_series(cls, *series, **kwargs):
          '''Merge ``series`` and return the results without storing data
  in the backend server.'''
          router, backend = cls.check_router(None, *series)
          if backend:
              target = router.register(cls(), backend)
              router.session().add(target)
              target._merge(*series, **kwargs)
              backend = target.backend
              return backend.execute(
                  backend.structure(target).irange_and_delete(),
                  target.load_dataf merged_series(cls, *series, **kwargs):
          '''Merge ``series`` and return the results without storing data
  in the backend server.'''
          router, backend = cls.check_router(None, *series)
          if backend:
              target = router.register(cls(), backend)
              router.session().add(target)
              target._merge(*series, **kwargs)
              backend = target.backend
              return backend.execute(
                  backend.structure(target).irange_and_delete(),
                  target.load_data)
docs: Merge ``series`` and return the results without storing data
  in the backend server.