www.colben.cn/content/post/ch-liveview.md

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title	date	lastmod	tags	categories
ClickHouse 视图之 Live View	2020-10-08T19:05:00+08:00	2020-10-08T19:05:00+08:00		clickhouse

Live View 视图简介

• 类似时间监听器
• 需设置 allow_experimental_live_view 为 1，检查

  SELECT name, value FROM system.settings WHERE name LIKE '%live_view%';
  

创建 Live View 视图

• 创建

  CREATE LIVE VIEW lv_name AS SELECT count(*) FROM table_name;
  

• 监听

  WATCH lv_name