cbc latch -SQL如何优化？

已经跑了1421.78minutes，现在还处于active状态 select w1.* from mv_workitem w1 where w1.workitem_id in (select max(w2.workitem_id) from mv_workitem w2 where 1=1 and (w2.status=8 or w2.status=9) and w2.activity_type=1 and w2.complete_time < :1 ...