用滤波器查询流入直方图查询
我正在使用influxdb 2来存储一个时间序列的水站DB。这些点类似:
from influxdb_client import Point
Point("station").tag("id", station_id).field("pressure", 0).time(datetime.now())
Point("station").tag("id", station_id).field("pressure", 1).time(datetime.now())
Point("station").tag("id", station_id).field("pressure", 1).time(datetime.now())
Point("station").tag("id", station_id).field("pressure", 3).time(datetime.now())
Point("station").tag("id", station_id).field("pressure", 2).time(datetime.now())
Point("station").tag("id", station_id).field("pressure", 0).time(datetime.now())
因此,压力从0
到3
不等。
hon,我可以使用station_id
使用[0,1,2,3]
作为垃圾箱的直方图使用 flux ?
I'm using influxdb 2 to store a time series db of water stations. The points are something like:
from influxdb_client import Point
Point("station").tag("id", station_id).field("pressure", 0).time(datetime.now())
Point("station").tag("id", station_id).field("pressure", 1).time(datetime.now())
Point("station").tag("id", station_id).field("pressure", 1).time(datetime.now())
Point("station").tag("id", station_id).field("pressure", 3).time(datetime.now())
Point("station").tag("id", station_id).field("pressure", 2).time(datetime.now())
Point("station").tag("id", station_id).field("pressure", 0).time(datetime.now())
So the pressure varies from 0
to 3
.
Hon can I retrive a histogram filtered by station_id
using [0, 1, 2, 3]
as bins for pressure using Flux?
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