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Fixed #29630 -- Fixed crash of sliced queries with multiple columns with the same name on Oracle 12.1.

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Regression in 0899d583bd.

Thanks Tim Graham for the review and Jani Tiainen for help.
This commit is contained in:
Mariusz Felisiak 2018-09-26 20:18:48 +02:00 • committed by GitHub
parent 51da347c32
commit 024abe5b82
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5 changed files with 104 additions and 7 deletions
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32
tests/queries/tests.py
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@ -1836,15 +1836,15 @@ class Queries6Tests(TestCase):
@classmethod
def setUpTestData(cls):
generic = NamedCategory.objects.create(name="Generic")
t1 = Tag.objects.create(name='t1', category=generic)
Tag.objects.create(name='t2', parent=t1, category=generic)
t3 = Tag.objects.create(name='t3', parent=t1)
t4 = Tag.objects.create(name='t4', parent=t3)
Tag.objects.create(name='t5', parent=t3)
cls.t1 = Tag.objects.create(name='t1', category=generic)
cls.t2 = Tag.objects.create(name='t2', parent=cls.t1, category=generic)
cls.t3 = Tag.objects.create(name='t3', parent=cls.t1)
cls.t4 = Tag.objects.create(name='t4', parent=cls.t3)
cls.t5 = Tag.objects.create(name='t5', parent=cls.t3)
n1 = Note.objects.create(note='n1', misc='foo', id=1)
ann1 = Annotation.objects.create(name='a1', tag=t1)
ann1 = Annotation.objects.create(name='a1', tag=cls.t1)
ann1.notes.add(n1)
Annotation.objects.create(name='a2', tag=t4)
Annotation.objects.create(name='a2', tag=cls.t4)
def test_parallel_iterators(self):
# Parallel iterators work.
@ -1923,6 +1923,24 @@ class Queries6Tests(TestCase):
def test_distinct_ordered_sliced_subquery_aggregation(self):
self.assertEqual(Tag.objects.distinct().order_by('category__name')[:3].count(), 3)
def test_multiple_columns_with_the_same_name_slice(self):
self.assertEqual(
list(Tag.objects.order_by('name').values_list('name', 'category__name')[:2]),
[('t1', 'Generic'), ('t2', 'Generic')],
)
self.assertSequenceEqual(
Tag.objects.order_by('name').select_related('category')[:2],
[self.t1, self.t2],
)
self.assertEqual(
list(Tag.objects.order_by('-name').values_list('name', 'parent__name')[:2]),
[('t5', 't3'), ('t4', 't3')],
)
self.assertSequenceEqual(
Tag.objects.order_by('-name').select_related('parent')[:2],
[self.t5, self.t4],
)
class RawQueriesTests(TestCase):
def setUp(self):