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| author | ontowhee <82607723+ontowhee@users.noreply.github.com> | 2023-05-16 19:12:53 -0700 |
|---|---|---|
| committer | Mariusz Felisiak <felisiak.mariusz@gmail.com> | 2024-02-16 08:57:16 +0100 |
| commit | 66e47ac69a7e71cf32eee312d05668d8f1ba24bb (patch) | |
| tree | 4e70a219a399f9d8142bfca7d22621ac22960f3d /tests/many_to_many/models.py | |
| parent | 0d8fbe2ade29f1b7bd9e6ba7a0281f5478603a43 (diff) | |
Fixed #29725 -- Removed unnecessary join in QuerySet.count() and exists() on a many to many relation.
Co-Authored-By: Shiwei Chen <april.chen.0615@gmail.com>
Diffstat (limited to 'tests/many_to_many/models.py')
| -rw-r--r-- | tests/many_to_many/models.py | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/tests/many_to_many/models.py b/tests/many_to_many/models.py index 42fc426990..df7222e08d 100644 --- a/tests/many_to_many/models.py +++ b/tests/many_to_many/models.py @@ -78,3 +78,15 @@ class InheritedArticleA(AbstractArticle): class InheritedArticleB(AbstractArticle): pass + + +class NullableTargetArticle(models.Model): + headline = models.CharField(max_length=100) + publications = models.ManyToManyField( + Publication, through="NullablePublicationThrough" + ) + + +class NullablePublicationThrough(models.Model): + article = models.ForeignKey(NullableTargetArticle, models.CASCADE) + publication = models.ForeignKey(Publication, models.CASCADE, null=True) |