I would use Grafana to show me the query it creates and the result which is
returned (I think this is still called the Query Inspector).
I would then submit the same query to InfluDB using its command line client and
see whether I get the same data back.
If the result is the same, then the problem is either the query, or the fact
that there is no data.
If the result is different, then I suggest you ask on the Grafana list / forum,
because if you get a reult from InfluxDB but not from Grafana, then the problem
points to Grafana.
Antony.
