摘要: # 分组取topn create table t_0428(id UInt32,nm String,cnt UInt32) ENGINE=MergeTree() order by id; insert into t_0428 values(1,'a',100),(1,'b',101),(1,'c', 阅读全文
posted @ 2021-04-28 14:46 muyue123 阅读(239) 评论(0) 推荐(0) 编辑