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| author | Alex Aktsipetrov <aaktsipetrov@iponweb.net> | 2019-10-15 01:59:43 +0300 |
|---|---|---|
| committer | Mariusz Felisiak <felisiak.mariusz@gmail.com> | 2019-10-21 13:21:54 +0200 |
| commit | 681f7e2b13846def9eff3d26ce1371d05fa90c4c (patch) | |
| tree | c879edafb74a7e39dd53186a5cfd9b0996d522f9 /tests/queryset_pickle | |
| parent | 70d81469861f0abe8e7cb325f743b85f28d03b71 (diff) | |
| download | django-681f7e2b13846def9eff3d26ce1371d05fa90c4c.tar.gz | |
Fixed #20577 -- Deferred filtering of prefetched related querysets.
Added internal interface to QuerySet that allows to defer next filter
call till .query is accessed. Used it to optimize prefetch_related().
Thanks Simon Charette for the review.
Diffstat (limited to 'tests/queryset_pickle')
| -rw-r--r-- | tests/queryset_pickle/tests.py | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/tests/queryset_pickle/tests.py b/tests/queryset_pickle/tests.py index 1b3f237819..9ef19cfa9d 100644 --- a/tests/queryset_pickle/tests.py +++ b/tests/queryset_pickle/tests.py @@ -212,6 +212,12 @@ class PickleabilityTestCase(TestCase): qs = Happening.objects.annotate(latest_time=models.Max('when')) self.assert_pickles(qs) + def test_filter_deferred(self): + qs = Happening.objects.all() + qs._defer_next_filter = True + qs = qs.filter(id=0) + self.assert_pickles(qs) + def test_missing_django_version_unpickling(self): """ #21430 -- Verifies a warning is raised for querysets that are |