SELECT
   CASE WHEN num <= @row_limit THEN queue_name ELSE 'others' END
   queue_name,
   sum(jobs_pend) jobs_pend,
   sum(jobs_run)  jobs_run
   FROM
	(
	 SELECT
		@row_num := @row_num+1 as num,
		queue_name,
		jobs_pend,
		jobs_run
	 FROM
		queues,
		(SELECT @row_num := 0,  @row_limit := 5) r
	 ORDER BY
		queue_name
	) q
    GROUP BY 1