commit once in a while...

check_mini_beieli_nodes/main.go

@@ -272,7 +272,7 @@ func getLastMetrics(deveui string) OneMetric {
                                  |> range(start:-5d) 
                                  |> filter(fn: (r) => r._measurement == "measurement" and r.deveui == "%s")
                                  |> filter(fn: (r) => r._field == "vp") 
-                                 |> last() |> yield(name: "last")`, deveui))
+                                 |> last(column: "_time") |> yield(name: "last")`, deveui))
 
 	req, err := http.NewRequest("POST", url, bytes.NewBuffer(data))
 	if err != nil {