摘要: 1、准备测试数据 #创建小表 CREATE TABLE datasets.visits_v2 ENGINE = CollapsingMergeTree(Sign) PARTITION BY toYYYYMM(StartDate) ORDER BY (CounterID, StartDate, int 阅读全文
posted @ 2022-11-24 09:57 晓枫的春天 阅读(1546) 评论(0) 推荐(0) 编辑