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Code Issues 32 Releases Wiki Activity

Fixed #21410 -- prefetch_related() for ForeignKeys with related_name='+'

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Regression introduced by commit 9777442.

Thanks to trac username troygrosfield for the report and test case.
This commit is contained in:
Loic Bistuer
2013-11-13 11:42:12 +07:00
committed by Anssi Kääriäinen
parent 0048ed77c7
commit cb83448891
3 changed files with 56 additions and 6 deletions
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28
tests/prefetch_related/tests.py
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@@ -10,7 +10,7 @@ from django.utils import six
from .models import (Author, Book, Reader, Qualification, Teacher, Department,
TaggedItem, Bookmark, AuthorAddress, FavoriteAuthors, AuthorWithAge,
BookWithYear, BookReview, Person, House, Room, Employee, Comment,
LessonEntry, WordEntry)
LessonEntry, WordEntry, Author2)
class PrefetchRelatedTests(TestCase):
@@ -973,3 +973,29 @@ class Ticket19607Tests(TestCase):
def test_bug(self):
list(WordEntry.objects.prefetch_related('lesson_entry', 'lesson_entry__wordentry_set'))
class Ticket21410Tests(TestCase):
def setUp(self):
self.book1 = Book.objects.create(title="Poems")
self.book2 = Book.objects.create(title="Jane Eyre")
self.book3 = Book.objects.create(title="Wuthering Heights")
self.book4 = Book.objects.create(title="Sense and Sensibility")
self.author1 = Author2.objects.create(name="Charlotte",
first_book=self.book1)
self.author2 = Author2.objects.create(name="Anne",
first_book=self.book1)
self.author3 = Author2.objects.create(name="Emily",
first_book=self.book1)
self.author4 = Author2.objects.create(name="Jane",
first_book=self.book4)
self.author1.favorite_books.add(self.book1, self.book2, self.book3)
self.author2.favorite_books.add(self.book1)
self.author3.favorite_books.add(self.book2)
self.author4.favorite_books.add(self.book3)
def test_bug(self):
list(Author2.objects.prefetch_related('first_book', 'favorite_books'))