postgresql中，以下窗口查询语句， select id,sum(cnt)over(order by cnt asc) from (select unnest(array[1,2,3,4]) id , unnest(array[11,22,22,33]) cnt ) as t1 order by t1.id; 查询结果正确的是 C A 88,88,88,88 B 11,33,33,88 C 11,55,55,88 D 没有partition by，执行错误 E 11,33,55,88