参照以上代码
t=table((2018.01.01T01:00:00+rand(1000,25)) join (2018.01.01T02:00:00 + rand(100,5)) as time, rand(1.0, 30) as x)
select temporalAdd(t.intervaltime,5,"m"),last_x from (select last(x) from t group by interval(time, 300, 1) as intervaltime) as t