sql按任意时间段分组统计

任意时间序列数据都可以按时间分组。 timestamp 为时间戳。

按每五分钟统计日志的数目

select
  floor(cast(logs.timestamp as int) / 60 / 5) as dt,
  count(logs.id)
from (
       select
         logs.id,
         logs.timestamp
       from public.logs as logs
       order by logs.id asc
       limit 10) as logs
group by floor(cast(logs.timestamp as int) / 60 / 5);

来源：oschina

链接：https://my.oschina.net/whutzl/blog/3178366