#29871: Resetting primary key for a derived object does not work
-------------------------------------+-------------------------------------
Reporter: Victor Porton | Owner: nobody
Type: Bug | Status: closed
Component: Database layer | Version: 2.1
(models, ORM) |
Severity: Normal | Resolution: invalid
Keywords: | Triage Stage:
| Unreviewed
Has patch: 0 | Needs documentation: 0
Needs tests: 0 | Patch needs improvement: 0
Easy pickings: 0 | UI/UX: 0
-------------------------------------+-------------------------------------
Comment (by Simon Charette):
The following should do
{{{
diff --git a/django/db/models/base.py b/django/db/models/base.py
index 751f42bb9b..d3141d6180 100644
--- a/django/db/models/base.py
+++ b/django/db/models/base.py
@@ -553,6 +553,8 @@ class Model(metaclass=ModelBase):
return getattr(self, meta.pk.attname)
def _set_pk_val(self, value):
+ for parent_link in self._meta.parents.values():
+ setattr(self, parent_link.target_field.attname, value)
return setattr(self, self._meta.pk.attname, value)
pk = property(_get_pk_val, _set_pk_val)
}}}
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Ticket URL: <https://code.djangoproject.com/ticket/29871#comment:9>
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