TDengine icon indicating copy to clipboard operation
TDengine copied to clipboard

Published 20 hours ago • verified publisher icon taosdata

Dose interval support unit of line?

Open wsf1990 opened this issue 2 years ago • 2 comments

Dose INTERVAL func support some line when query table, like `select avg(column) from table interval(10l)', which 10l means interval 10 record. INTERVAL 间隔采样支持以行为单位吗？比如间隔10行计算平均值？

wsf1990 avatar Aug 02 '22 03:08 wsf1990

暂时还不支持按照行来聚合。是因为采集数据的时间不是规律吗？

fenghuazzm avatar Aug 02 '22 07:08 fenghuazzm

是的，每个传感器采样频率不一样

wsf1990 avatar Aug 02 '22 07:08 wsf1990