Ticket #30854: test-30854.diff

tests/filtered_relation/tests.py

@@ -52 +52 @@
                 (self.author2, self.book3, self.editor_b, self.author2),
             ], lambda x: (x, x.book_join, x.book_join.editor, x.book_join.author))
 
+    def test_select_related_multiple(self):
+        qs = Book.objects.annotate(
+            author_join=FilteredRelation('author'),
+            editor_join=FilteredRelation('editor'),
+        ).select_related('author_join', 'editor_join').order_by('pk')
+        self.assertQuerysetEqual(qs, [
+                (self.book1, self.author1, self.editor_a),
+                (self.book2, self.author2, self.editor_b),
+                (self.book3, self.author2, self.editor_b),
+                (self.book4, self.author1, self.editor_a),
+            ],
+            lambda x: (x, x.author_join, x.editor_join),
+        )
+
     def test_select_related_with_empty_relation(self):
         qs = Author.objects.annotate(
             book_join=FilteredRelation('book', condition=Q(pk=-1)),