#30214: Indexes defined on abstract base classes are not propagated to
subclasses
-------------------------------------+-------------------------------------
Reporter: wKavey | Owner: nobody
Type: | Status: new
Uncategorized |
Component: Database | Version: 2.1
layer (models, ORM) |
Severity: Normal | Keywords: abstract base class
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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It seems that if I define a model with Meta.abstract=True then any indexes
I define in that model are not propgated to subclasses.
Example:
{{{
class CustomBase(models.Model):
id = models.AutoField(primary_key=True)
name = models.CharField(max_length=100)
class Meta:
abstract = True
indexes = [
models.Index(fields=['name'], name='name_idx')
]
class CustomSub(CustomBase):
ip_address = models.GenericIPAddressField()
class Meta:
indexes = [
models.Index(fields=['ip_address'], name='ip_address')
]
}}}
Then
{{{
>> python manage.py makemigrations
- Create model CustomSub
- Create index ip_address on field(s) ip_address of model customsub
}}}
No mention of index 'name_idx' from the base class
--
Ticket URL: <https://code.djangoproject.com/ticket/30214>
Django <https://code.djangoproject.com/>
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