From bd65e82831304ede92af6e9f0807daa3a874efc0 Mon Sep 17 00:00:00 2001
From: viliam mihalik <viliam.mihalik@smartbase.sk>
Date: Thu, 5 Jun 2025 23:53:01 +0200
Subject: Fixed #36442 -- Cloned FilteredRelation before rename_prefix_from_q.

---
 tests/filtered_relation/tests.py | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

(limited to 'tests')

diff --git a/tests/filtered_relation/tests.py b/tests/filtered_relation/tests.py
index a9c6e00567..cdcd5c19af 100644
--- a/tests/filtered_relation/tests.py
+++ b/tests/filtered_relation/tests.py
@@ -604,6 +604,28 @@ class FilteredRelationTests(TestCase):
             qs.filter(my_readers=borrower).values_list("name", flat=True), ["Alice"]
         )
 
+    def test_reuse_same_filtered_relation(self):
+        borrower = Borrower.objects.create(name="Jenny")
+        Reservation.objects.create(
+            borrower=borrower,
+            book=self.book1,
+            state=Reservation.STOPPED,
+        )
+        condition = Q(book__reservation__state=Reservation.STOPPED)
+        my_reserved_books = FilteredRelation("book__reservation", condition=condition)
+        first_query = list(
+            Author.objects.annotate(
+                my_reserved_books=my_reserved_books,
+            )
+        )
+        self.assertEqual(my_reserved_books.condition, condition)
+        second_query = list(
+            Author.objects.annotate(
+                my_reserved_books=my_reserved_books,
+            )
+        )
+        self.assertEqual(first_query, second_query)
+
     def test_deep_nested_foreign_key(self):
         qs = (
             Book.objects.annotate(
-- 
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