Hello Community,
I want to use the Bar Chart in Grafana and a flux query to display sum “Current” per day e.g.
The problem is ( I think), grafana seems to want da string value instead of datetime.
from(bucket: "sdm630")
|> range(start: v.timeRangeStart, stop: v.timeRangeStop)
|> filter(fn: (r) => r["_measurement"] == "data")
|> filter(fn: (r) => r["_field"] == "value")
|> filter(fn: (r) => r["device"] == "SDM1.1")
|> filter(fn: (r) => r["type"] == "CurrentL1")
|> aggregateWindow(every: 10m, fn: mean, createEmpty: false)
|> yield(name: "mean")
Error Msg in Grafana: Bar charts requires a string field
Has anyone an idea to display grafana bar chart with flux?
THX