摘要: 1 %sql 2 select 3 t3.* 4 from ( 5 select 6 t2.* 7 ,row_number() over(partition by t2.pt order by t2.pv) as rn2 8 from ( 9 select 10 t1.co... 阅读全文
posted @ 2018-07-09 11:42 chenzechao 阅读(1240) 评论(0) 推荐(0)