Continuous Query data not displayed

First post here, and very new to Grafana, sorry!
I’ve created Retention Policies & a Continuous Query in Influx , in my database “emoncms”;

CREATE RETENTION POLICY "one_hour" ON "emoncms" DURATION 1h REPLICATION 1 DEFAULT
CREATE RETENTION POLICY "one_year" ON "emoncms" DURATION 52w REPLICATION 1
CREATE CONTINUOUS QUERY "cq_5m" ON "emoncms" BEGIN
SELECT mean("grid") AS "grid",mean("solar") AS "solar", mean("divert") AS "divert", mean("usage") AS "usage" INTO "one_year"."downsampled_iot"
FROM "iot"
GROUP BY time(5m), grid, solar, divert, usage
END

If I select * from "one_year"."downsampled_iot" the data is returned OK (I’m querying via node-RED);

array

But, if I try to plot this in Grafana, no datapoints appear (blank Chart)

graf

Sorted!

graf2

(Please feel free to delete this thread)