select max(val0) as max , FROM_UNIXTIME(add_time,'%Y%m%d%H%i%s') as date from yr_monitoringdb where add_time > 1431019403 group by FROM_UNIXTIME(add_time,'%Y%m%d')
使用 unixtime 时间转换成正常时间,取得每天最高的数据
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2022-11-21
select max(val0) as max , FROM_UNIXTIME(add_time,'%Y%m%d%H%i%s') as date from yr_monitoringdb where add_time > 1431019403 group by FROM_UNIXTIME(add_time,'%Y%m%d')
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