Closes #4865: Replace all Count() annotations with subqueries (#5385)

* Convert circuits to use subqueries

* Convert dcim to use subqueries

* Convert extras to use subqueries

* Convert ipam to use subqueries

* Convert secrets to use subqueries

* Convert virtualization to use subqueries

* Update global search view to use subqueries where appropriate

* Remove extraneous order_by() calls

netbox/secrets/api/views.py

@@ -1,7 +1,6 @@
 import base64
 
 from Crypto.PublicKey import RSA
-from django.db.models import Count
 from django.http import HttpResponseBadRequest
 from rest_framework.exceptions import ValidationError
 from rest_framework.permissions import IsAuthenticated
@@ -13,6 +12,7 @@ from secrets import filters
 from secrets.exceptions import InvalidKey
 from secrets.models import Secret, SecretRole, SessionKey, UserKey
 from utilities.api import ModelViewSet
+from utilities.utils import get_subquery
 from . import serializers
 
 ERR_USERKEY_MISSING = "No UserKey found for the current user."
@@ -35,8 +35,8 @@ class SecretsRootView(APIRootView):
 
 class SecretRoleViewSet(ModelViewSet):
     queryset = SecretRole.objects.annotate(
-        secret_count=Count('secrets')
-    ).order_by(*SecretRole._meta.ordering)
+        secret_count=get_subquery(Secret, 'role')
+    )
     serializer_class = serializers.SecretRoleSerializer
     filterset_class = filters.SecretRoleFilterSet
 

netbox/secrets/views.py

@@ -2,11 +2,11 @@ import base64
 import logging
 
 from django.contrib import messages
-from django.db.models import Count
 from django.shortcuts import get_object_or_404, redirect, render
 from django.utils.html import escape
 from django.utils.safestring import mark_safe
 
+from utilities.utils import get_subquery
 from utilities.views import (
     BulkDeleteView, BulkEditView, BulkImportView, ObjectView, ObjectDeleteView, ObjectEditView, ObjectListView,
 )
@@ -29,7 +29,9 @@ def get_session_key(request):
 #
 
 class SecretRoleListView(ObjectListView):
-    queryset = SecretRole.objects.annotate(secret_count=Count('secrets')).order_by(*SecretRole._meta.ordering)
+    queryset = SecretRole.objects.annotate(
+        secret_count=get_subquery(Secret, 'role')
+    )
     table = tables.SecretRoleTable
 
 
@@ -49,7 +51,9 @@ class SecretRoleBulkImportView(BulkImportView):
 
 
 class SecretRoleBulkDeleteView(BulkDeleteView):
-    queryset = SecretRole.objects.annotate(secret_count=Count('secrets')).order_by(*SecretRole._meta.ordering)
+    queryset = SecretRole.objects.annotate(
+        secret_count=get_subquery(Secret, 'role')
+    )
     table = tables.SecretRoleTable