#29579: Objects count after Many to many related query shows wrong
-------------------------------------+-------------------------------------
Reporter: | Owner: nobody
noufalvlpr |
Type: Bug | Status: new
Component: Database | Version: 2.0
layer (models, ORM) |
Severity: Normal | Keywords:
Triage Stage: | Has patch: 0
Unreviewed |
Needs documentation: 0 | Needs tests: 0
Patch needs improvement: 0 | Easy pickings: 0
UI/UX: 0 |
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{{{
class Standard(models.Model):
name = models.CharField(max_length=30)
created_at = models.DateField(null=True, blank=True)
class Product(models.Model):
name = models.CharField(max_length=30, null=True)
standards = models.ManyToManyField(Standard, related_name='products')
}}}
added some standards to product and after
{{{
Product.objects.count() # 6
Product.objects.filter(standards__created_at__isnull=True).count() # 7
}}}
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Ticket URL: <https://code.djangoproject.com/ticket/29579>
Django <https://code.djangoproject.com/>
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