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Fixed #27828 -- Fixed a crash when subtracting Integer/DurationField from DateField on Oracle/PostgreSQL.

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This commit is contained in:
Vytis Banaitis
2017-02-12 16:43:04 +02:00
committed by Tim Graham
parent 5729272509
commit d5088f838d
3 changed files with 10 additions and 1 deletions
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6
tests/expressions/tests.py
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@@ -1184,6 +1184,12 @@ class FTimeDeltaTests(TestCase):
).order_by('name')
self.assertQuerysetEqual(over_estimate, ['e3', 'e4'], lambda e: e.name)
def test_date_minus_duration(self):
more_than_4_days = Experiment.objects.filter(
assigned__lt=F('completed') - Value(datetime.timedelta(days=4), output_field=models.DurationField())
)
self.assertQuerysetEqual(more_than_4_days, ['e3', 'e4'], lambda e: e.name)
def test_negative_timedelta_update(self):
# subtract 30 seconds, 30 minutes, 2 hours and 2 days
experiments = Experiment.objects.filter(name='e0').annotate(