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Fixed #10100 -- Corrected handling of the negation required exclude() clauses that reference aggregate columns. Thanks to Anossov for the report.

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git-svn-id: http://code.djangoproject.com/svn/django/trunk@9785 bcc190cf-cafb-0310-a4f2-bffc1f526a37
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Russell Keith-Magee 2009-01-23 07:07:51 +00:00
parent ef22bb7b33
commit ed3d2735a2
2 changed files with 18 additions and 1 deletions
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13
tests/regressiontests/aggregation_regress/models.py
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@ -151,6 +151,19 @@ FieldError: Cannot resolve keyword 'foo' into field. Choices are: authors, id, i
>>> Book.objects.select_related('publisher').annotate(num_authors=Count('authors')).values()[0]
{'rating': 4.0, 'isbn': u'013790395', 'name': u'Artificial Intelligence: A Modern Approach', 'pubdate': datetime.date(1995, 1, 15), 'price': Decimal("82.8..."), 'id': 5, 'num_authors': 2, 'publisher_id': 3, 'pages': 1132}
# Regression for #10010: exclude on an aggregate field is correctly negated
>>> len(Book.objects.annotate(num_authors=Count('authors')))
6
>>> len(Book.objects.annotate(num_authors=Count('authors')).filter(num_authors__gt=2))
1
>>> len(Book.objects.annotate(num_authors=Count('authors')).exclude(num_authors__gt=2))
5
>>> len(Book.objects.annotate(num_authors=Count('authors')).filter(num_authors__lt=3).exclude(num_authors__lt=2))
2
>>> len(Book.objects.annotate(num_authors=Count('authors')).exclude(num_authors__lt=2).filter(num_authors__lt=3))
2
"""
}