def get_paged(self, res, **kwargs):
        """
        This call is equivalent to ``res(**kwargs)``, only it retrieves all pages
        and returns the results joined into a single iterable. The advantage over
        retrieving everything at once is that the result can be consumed immediately.

        :param res:     what resource to connect to
        :param kwargs:  filters to be used

        ::

            # Example: Iterate over all active releases
            for release in client.get_paged(client['releases']._, active=True):
                ...

        This function is obsolete and not recommended.
        """
        if self.page_size is not None:
            kwargs['page_size'] = self.page_size
            if self.page_size <= 0:
                # If page_size <= 0, pagination will be disable.
                return res(**kwargs)

        def worker():
            kwargs['page'] = 1
            while True:
                response = res(**kwargs)
                yield response['results']
                if response['next']:
                    kwargs['page'] += 1
                else:
                    break
        return itertools.chain.from_iterable(worker())