Story SW-300: improving performances of rtsm error retrieval

LCU/Maintenance/DBInterface/monitoringdb/views/rtsm_views.py

@@ -24,7 +24,7 @@ class RTSMErrorsViewSet(viewsets.ModelViewSet):
     serializer_class = RTSMErrorSummarySerializer
 
     def get_queryset(self):
-        queryset = RTSMError.objects.defer('average_spectrum', 'bad_spectrum').all()
+        queryset = RTSMError.objects.all()
         for key, param in self.request.query_params.items():
             if key in RESERVED_FILTER_NAME:
                 continue
@@ -33,7 +33,7 @@ class RTSMErrorsViewSet(viewsets.ModelViewSet):
 
 
 class RTSMObservationViewSet(viewsets.ModelViewSet):
-    queryset = RTSMObservation.objects.select_related('errors').defer('errors__average_spectrum', 'errors__bad_spectrum').all()
+    queryset = RTSMObservation.objects.all()
     serializer_class = RTSMObservationSerializer
 
     def get_queryset(self):