def search_schema_path(self, index, **options):
        """
        Builds a Yokozuna search Solr schema URL.

        :param index: a name of a yz solr schema
        :type index: string
        :param options: optional list of additional arguments
        :type index: dict
        :rtype URL string
        """
        if not self.yz_wm_schema:
            raise RiakError("Yokozuna search is unsupported by this Riak node")
        return mkpath(self.yz_wm_schema, "schema", quote_plus(index),
                      **options)