Fixed #30421 -- Allowed symmetrical intermediate table for self-referential ManyToManyField.

1 files changed, 7 insertions, 0 deletions

diff --git a/tests/m2m_recursive/models.py b/tests/m2m_recursive/models.py
index fd4f4ad166..a9f47770d6 100644
--- a/tests/m2m_recursive/models.py
+++ b/tests/m2m_recursive/models.py
@@ -22,7 +22,14 @@ from django.db import models
 class Person(models.Model):
     name = models.CharField(max_length=20)
     friends = models.ManyToManyField('self')
+    colleagues = models.ManyToManyField('self', symmetrical=True, through='Colleague')
     idols = models.ManyToManyField('self', symmetrical=False, related_name='stalkers')
 
     def __str__(self):
         return self.name
+
+
+class Colleague(models.Model):
+    first = models.ForeignKey(Person, models.CASCADE)
+    second = models.ForeignKey(Person, models.CASCADE, related_name='+')
+    first_meet = models.DateField()