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Code Issues 25 Releases Wiki Activity

Fixed #27268 -- Restored an invalid related field lookup error message in QuerySet filtering.

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This commit is contained in:
Mariusz Felisiak 2016-09-27 21:00:36 +02:00 committed by Tim Graham
parent 602bffe758
commit 14986a0b9d
2 changed files with 5 additions and 0 deletions
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2
django/db/models/sql/query.py
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@ -1192,6 +1192,8 @@ class Query(object):
raise FieldError('Related Field got invalid lookup: {}'.format(lookups[0]))
assert num_lookups > 0 # Likely a bug in Django if this fails.
lookup_class = field.get_lookup(lookups[0])
if lookup_class is None:
raise FieldError('Related Field got invalid lookup: {}'.format(lookups[0]))
if len(targets) == 1:
lhs = targets[0].get_col(alias, field)
else:

3
tests/lookup/tests.py
View File

@ -515,6 +515,9 @@ class LookupTests(TestCase):
msg = 'Related Field got invalid lookup: editor'
with self.assertRaisesMessage(FieldError, msg):
Article.objects.filter(author__editor__name='James')
msg = 'Related Field got invalid lookup: foo'
with self.assertRaisesMessage(FieldError, msg):
Tag.objects.filter(articles__foo='bar')
def test_regex(self):
# Create some articles with a bit more interesting headlines for testing field lookups: