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Fixed #34570 -- Silenced noop deferral of many-to-many and GFK.

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While deferring many-to-many and GFK has no effect, the previous
implementation of QuerySet.defer() ignore them instead of crashing.

Regression in b3db6c8dcb.

Thanks Paco Martínez for the report.
This commit is contained in:
Simon Charette 2023-05-16 15:11:19 -04:00 • committed by Mariusz Felisiak
parent 0ec60661e6
commit 99e5dff737
3 changed files with 19 additions and 1 deletions
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6
tests/defer_regress/tests.py
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@ -271,6 +271,12 @@ class DeferRegressionTest(TestCase):
with self.assertNumQueries(1):
self.assertEqual(leaf.second_child.value, 64)
def test_defer_many_to_many_ignored(self):
location = Location.objects.create()
request = Request.objects.create(location=location)
with self.assertNumQueries(1):
self.assertEqual(Request.objects.defer("items").get(), request)
class DeferDeletionSignalsTests(TestCase):
senders = [Item, Proxy]