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Fixed #28211 -- Prevented ORing an empty Q() from reducing query join efficiency.

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Tom 2017-05-18 19:03:30 +01:00 • committed by Tim Graham
parent 1c3a6cec2a
commit bb0b6e5263
2 changed files with 17 additions and 0 deletions
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8
tests/queries/test_q.py
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@ -11,6 +11,14 @@ class QTests(SimpleTestCase):
def test_combine_and_both_empty(self):
self.assertEqual(Q() & Q(), Q())
def test_combine_or_empty(self):
q = Q(x=1)
self.assertEqual(q | Q(), q)
self.assertEqual(Q() | q, q)
def test_combine_or_both_empty(self):
self.assertEqual(Q() | Q(), Q())
def test_deconstruct(self):
q = Q(price__gt=F('discounted_price'))
path, args, kwargs = q.deconstruct()