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Code Issues 32 Releases Wiki Activity

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

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This commit is contained in:
Nadège Michel
2019-04-19 18:12:04 +02:00
committed by Mariusz Felisiak
parent a9179ab032
commit 87b1ad6e73
11 changed files with 167 additions and 90 deletions
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7
tests/m2m_through/models.py
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@@ -72,6 +72,7 @@ class TestNoDefaultsOrNulls(models.Model):
class PersonSelfRefM2M(models.Model):
name = models.CharField(max_length=5)
friends = models.ManyToManyField('self', through="Friendship", symmetrical=False)
sym_friends = models.ManyToManyField('self', through='SymmetricalFriendship', symmetrical=True)
def __str__(self):
return self.name
@@ -83,6 +84,12 @@ class Friendship(models.Model):
date_friended = models.DateTimeField()
class SymmetricalFriendship(models.Model):
first = models.ForeignKey(PersonSelfRefM2M, models.CASCADE)
second = models.ForeignKey(PersonSelfRefM2M, models.CASCADE, related_name='+')
date_friended = models.DateField()
# Custom through link fields
class Event(models.Model):
title = models.CharField(max_length=50)