Refs #33374 -- Added tests for multi-table fast-deletion with filters that match everything.

Author: charettes

tests/delete/tests.py

@@ -1,7 +1,7 @@
 from math import ceil
 
 from django.db import connection, models
-from django.db.models import ProtectedError, RestrictedError
+from django.db.models import ProtectedError, Q, RestrictedError
 from django.db.models.deletion import Collector
 from django.db.models.sql.constants import GET_ITERATOR_CHUNK_SIZE
 from django.test import TestCase, skipIfDBFeature, skipUnlessDBFeature
@@ -776,3 +776,10 @@ def test_fast_delete_aggregation(self):
                 (1, {"delete.Base": 1}),
             )
         self.assertIs(Base.objects.exists(), False)
+
+    def test_fast_delete_full_match(self):
+        avatar = Avatar.objects.create(desc="bar")
+        User.objects.create(avatar=avatar)
+        with self.assertNumQueries(1):
+            User.objects.filter(~Q(pk__in=[]) | Q(avatar__desc="foo")).delete()
+        self.assertFalse(User.objects.exists())