add schema

schema

@@ -0,0 +1,25 @@
+create table pv_power_measurement_t (
+    time timestamp without time zone not null,
+    deviceid text,
+    status text,
+    state integer,
+    importEnergyActive double precision,
+    importEnergyReactive double precision,
+    exportEnergyActive double precision,
+    exportEnergyReactive double precision,
+    powerApparent double precision,
+    powerActive double precision,
+    powerReactive double precision,
+    powerDemandPositive double precision,
+    powerDemandReverse double precision,
+    powerDemand double precision,
+    factor double precision,
+    angle double precision,
+    voltage double precision,
+    current double precision
+);
+
+select create_hypertable('pv_power_measurement_t', 'time');
+
+grant insert on pv_power_measurement_t to nodered;
+grant select on pv_power_measurement_t to grafana;