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Fixed #18556 -- Allowed RelatedManager.add() to execute 1 query where possible.

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Thanks Loic Bistuer for review.
This commit is contained in:
Tim Graham 2015-03-14 21:25:33 -04:00 • committed by Loïc Bistuer
parent c2e70f0265
commit adc0c4fbac
8 changed files with 151 additions and 28 deletions
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9
tests/many_to_one_null/tests.py
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@ -115,6 +115,15 @@ class ManyToOneNullTests(TestCase):
self.assertEqual(1, self.r2.article_set.count())
self.assertEqual(1, qs.count())
def test_add_efficiency(self):
r = Reporter.objects.create()
articles = []
for _ in range(3):
articles.append(Article.objects.create())
with self.assertNumQueries(1):
r.article_set.add(*articles)
self.assertEqual(r.article_set.count(), 3)
def test_clear_efficiency(self):
r = Reporter.objects.create()
for _ in range(3):