new query and some updates

queries/saerbeck.sql

@@ -9,3 +9,15 @@ create or replace view badesee_temperature_v as
     from measurements
     where application = 'de-hottis-saerbeck-monitoring' and
           device = 'eui-a84041318187ec13';
+
+create or replace view cubecell_threeway_temperature_v as
+  select time,
+         cast(values->'Temperature1'->>'value' as float) as Temp1,
+         cast(values->'Temperature2'->>'value' as float) as Temp2,
+         cast(values->'Temperature3'->>'value' as float) as Temp3,
+         device
+    from measurements
+    where application = 'de-hottis-saerbeck-monitoring' and
+    device = 'eui-70b3d57ed0068fa4';
+
+