#33084: Incorrect warning W343 "limit_choices_to has no effect on
ManyToManyField
with a through model"
-------------------------------------+-------------------------------------
Reporter: jhbuhrman | Owner: nobody
Type: Bug | Status: new
Component: Database | Version: 3.2
layer (models, ORM) |
Severity: Normal | Keywords: limit_choices_to
Triage Stage: | Has patch: 0
Unreviewed |
Needs documentation: 0 | Needs tests: 0
Patch needs improvement: 0 | Easy pickings: 0
UI/UX: 0 |
-------------------------------------+-------------------------------------
The model setup given below:
{{{#!python
class Number(models.Model):
value = models.IntegerField()
def __str__(self) -> str:
return f"{self.value}"
class NumbersToDiceThroughModel(models.Model):
number = models.ForeignKey("Number", on_delete=models.PROTECT)
die = models.ForeignKey("Die", on_delete=models.CASCADE)
class Die(models.Model):
numbers = models.ManyToManyField(
"Number",
through="NumbersToDiceThroughModel",
limit_choices_to=models.Q(value__gte=1),
)
}}}
Results in a **correct** limitation of possible choices. But at the same
time the following warning is issued:
{{{
... .Die.numbers: (fields.W343) limit_choices_to has no effect on
ManyToManyField with a through model.
}}}
--
Ticket URL: <https://code.djangoproject.com/ticket/33084>
Django <https://code.djangoproject.com/>
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