Opened 10 years ago
Last modified 10 years ago
#23160 closed Bug
KeyError when performing a RenameModel migration operation for a model with self-referential FK field — at Initial Version
| Reported by: | Owned by: | nobody | |
|---|---|---|---|
| Component: | Migrations | Version: | 1.7-rc-2 |
| Severity: | Release blocker | Keywords: | |
| Cc: | Triage Stage: | Ready for checkin | |
| Has patch: | yes | Needs documentation: | no |
| Needs tests: | no | Patch needs improvement: | no |
| Easy pickings: | no | UI/UX: | no |
Description
I'm simply trying to rename a model which has a relationship to itself. Running the RenameModel operation yields the following traceback:
$ python manage.py migrate myapp
Operations to perform:
Apply all migrations: myapp
Running migrations:
Applying myapp.0002_rename_Foo_to_Bar...Traceback (most recent call last):
File "manage.py", line 10, in <module>
execute_from_command_line(sys.argv)
File "/usr/local/lib/python2.7/dist-packages/Django-1.7c2-py2.7.egg/django/core/management/init.py", line 385, in execute_from_command_line
utility.execute()
File "/usr/local/lib/python2.7/dist-packages/Django-1.7c2-py2.7.egg/django/core/management/init.py", line 377, in execute
self.fetch_command(subcommand).run_from_argv(self.argv)
File "/usr/local/lib/python2.7/dist-packages/Django-1.7c2-py2.7.egg/django/core/management/base.py", line 288, in run_from_argv
self.execute(*args, options.dict)
File "/usr/local/lib/python2.7/dist-packages/Django-1.7c2-py2.7.egg/django/core/management/base.py", line 338, in execute
output = self.handle(*args, options)
File "/usr/local/lib/python2.7/dist-packages/Django-1.7c2-py2.7.egg/django/core/management/commands/migrate.py", line 160, in handle
executor.migrate(targets, plan, fake=options.get("fake", False))
File "/usr/local/lib/python2.7/dist-packages/Django-1.7c2-py2.7.egg/django/db/migrations/executor.py", line 63, in migrate
self.apply_migration(migration, fake=fake)
File "/usr/local/lib/python2.7/dist-packages/Django-1.7c2-py2.7.egg/django/db/migrations/executor.py", line 91, in apply_migration
if self.detect_soft_applied(migration):
File "/usr/local/lib/python2.7/dist-packages/Django-1.7c2-py2.7.egg/django/db/migrations/executor.py", line 134, in detect_soft_applied
project_state = self.loader.project_state((migration.app_label, migration.name), at_end=True)
File "/usr/local/lib/python2.7/dist-packages/Django-1.7c2-py2.7.egg/django/db/migrations/loader.py", line 268, in project_state
return self.graph.make_state(nodes=nodes, at_end=at_end, real_apps=list(self.unmigrated_apps))
File "/usr/local/lib/python2.7/dist-packages/Django-1.7c2-py2.7.egg/django/db/migrations/graph.py", line 147, in make_state
project_state = self.nodes[node].mutate_state(project_state)
File "/usr/local/lib/python2.7/dist-packages/Django-1.7c2-py2.7.egg/django/db/migrations/migration.py", line 76, in mutate_state
operation.state_forwards(self.app_label, new_state)
File "/usr/local/lib/python2.7/dist-packages/Django-1.7c2-py2.7.egg/django/db/migrations/operations/models.py", line 132, in state_forwards
for name, field in state.models[related_key].fields:
KeyError: ('myapp', 'foo')
initial models before renaming