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Allow "pk" as a field alias in QuerySet.only() calls.

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Thanks to GDorn for the patch. Fixed #15494.

git-svn-id: http://code.djangoproject.com/svn/django/trunk@16668 bcc190cf-cafb-0310-a4f2-bffc1f526a37
This commit is contained in:
Malcolm Tredinnick 2011-08-23 06:29:01 +00:00
parent a86dde20f0
commit 7182cd2284
2 changed files with 15 additions and 2 deletions
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8
tests/modeltests/defer/tests.py
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@ -28,11 +28,18 @@ class DeferTests(TestCase):
self.assert_delayed(qs.only("name")[0], 2)
self.assert_delayed(qs.defer("related__first")[0], 0)
# Using 'pk' with only() should result in 3 deferred fields, namely all
# of them except the model's primary key see #15494
self.assert_delayed(qs.only("pk")[0], 3)
obj = qs.select_related().only("related__first")[0]
self.assert_delayed(obj, 2)
self.assertEqual(obj.related_id, s1.pk)
# You can use 'pk' with reverse foreign key lookups.
self.assert_delayed(s1.primary_set.all().only('pk')[0], 3)
self.assert_delayed(qs.defer("name").extra(select={"a": 1})[0], 1)
self.assert_delayed(qs.extra(select={"a": 1}).defer("name")[0], 1)
self.assert_delayed(qs.defer("name").defer("value")[0], 2)
@ -135,3 +142,4 @@ class DeferTests(TestCase):
self.assertEqual(obj.other, "bar")
obj.name = "bb"
obj.save()