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Fixed #27849 -- Added filtering support to aggregates.

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Tom 2017-04-22 16:44:51 +01:00 • committed by Tim Graham
parent 489421b015
commit b78d100fa6
13 changed files with 290 additions and 55 deletions
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9
tests/expressions_case/tests.py
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@ -1253,6 +1253,15 @@ class CaseDocumentationExamples(TestCase):
account_type=Client.PLATINUM,
registered_on=date.today(),
)
self.assertEqual(
Client.objects.aggregate(
regular=models.Count('pk', filter=Q(account_type=Client.REGULAR)),
gold=models.Count('pk', filter=Q(account_type=Client.GOLD)),
platinum=models.Count('pk', filter=Q(account_type=Client.PLATINUM)),
),
{'regular': 2, 'gold': 1, 'platinum': 3}
)
# This was the example before the filter argument was added.
self.assertEqual(
Client.objects.aggregate(
regular=models.Sum(Case(