#10074: Can't delete objects with lazy GenericRelations
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Reporter: clay | Owner: nobody
Status: new | Milestone:
Component: Database layer (models, ORM) | Version: 1.0
Resolution: | Keywords:
genericrelation delete
Stage: Unreviewed | Has_patch: 0
Needs_docs: 0 | Needs_tests: 0
Needs_better_patch: 0 |
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Changes (by ramiro):
* needs_better_patch: => 0
* needs_tests: => 0
* needs_docs: => 0
Old description:
> Models with GenericRelation fields defined as:
>
> the_relation = generic.GenericRelation('Related')
>
> produce objects that cannot be deleted:
>
> >>> obj.delete()
> Traceback (most recent call last):
> File "<stdin>", line 1, in <module>
> File "lib/django/db/models/base.py", line 463, in delete
> delete_objects(seen_objs)
> File "lib/django/db/models/query.py", line 867, in delete_objects
> del_query.delete_batch_related(pk_list)
> File "lib/django/db/models/sql/subqueries.py", line 61, in
> delete_batch_related
> field = f.rel.to._meta.get_field(f.content_type_field_name)
> AttributeError: 'str' object has no attribute '_meta'
New description:
Models with !GenericRelation fields defined as:
{{{
the_relation = generic.GenericRelation('Related')
}}}
produce objects that cannot be deleted:
{{{
>>> obj.delete()
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "lib/django/db/models/base.py", line 463, in delete
delete_objects(seen_objs)
File "lib/django/db/models/query.py", line 867, in delete_objects
del_query.delete_batch_related(pk_list)
File "lib/django/db/models/sql/subqueries.py", line 61, in
delete_batch_related
field = f.rel.to._meta.get_field(f.content_type_field_name)
AttributeError: 'str' object has no attribute '_meta'
}}}
Comment:
(edited description)
--
Ticket URL: <http://code.djangoproject.com/ticket/10074#comment:1>
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