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Fixed #29330 -- Fixed crash when pickling BaseExpression.

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Regression in cfff2af02b.
This commit is contained in:
Daniel Miller 2018-04-16 09:10:13 -04:00 • committed by Tim Graham
parent 1d5d4867f4
commit 60156750f6
2 changed files with 11 additions and 0 deletions
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6
tests/expressions/tests.py
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@ -1,4 +1,5 @@
import datetime
import pickle
import unittest
import uuid
from copy import deepcopy
@ -585,6 +586,11 @@ class BasicExpressionsTests(TestCase):
outer = Company.objects.filter(pk__in=Subquery(inner.values('pk')))
self.assertEqual(outer.get().name, 'Test GmbH')
def test_pickle_expression(self):
expr = Value(1, output_field=models.IntegerField())
expr.convert_value # populate cached property
self.assertEqual(pickle.loads(pickle.dumps(expr)), expr)
class IterableLookupInnerExpressionsTests(TestCase):
@classmethod