同比环比调研

https://www.modb.pro/db/105757
https://tech.meituan.com/2020/10/15/mt-aiops-horae.html
https://clickhouse.com/docs/zh/interfaces/third-party/gui/
https://blog.csdn.net/An1090239782/article/details/107219864
https://clickhouse.com/docs/zh/whats-new/changelog/2019/#new-feature-4
https://clickhouse.com/docs/en/sql-reference/functions/type-conversion-functions/#todatetimeornull
https://stackoverflow.com/questions/59712399/how-to-cast-date-strings-to-datetime-format-with-extended-parsing-in-clickhouse
https://clickhouse.com/docs/zh/interfaces/third-party/gui/
https://juejin.cn/post/6909997781268578317

SELECT a, neighbor( a,-1 ) from (SELECT arrayJoin( [1,2,3,6,34,3,11] ) as a)
select timestamp,a_server_name from nginxlog order by timestamp desc limit 1000