#24075: Can't migrate contenttypes and auth to zero
-------------------------------------------+------------------------
Reporter: apollo13 | Owner: nobody
Type: Bug | Status: new
Component: Migrations | Version: master
Severity: Release blocker | Keywords:
Triage Stage: Unreviewed | Has patch: 0
Needs documentation: 0 | Needs tests: 0
Patch needs improvement: 0 | Easy pickings: 0
UI/UX: 0 |
-------------------------------------------+------------------------
Trying to migrate either auth to zero results in:
{{{
./manage.py migrate -v3 auth zero
Operations to perform:
Unapply all migrations: auth
Running pre-migrate handlers for application admin
Running pre-migrate handlers for application auth
Running pre-migrate handlers for application contenttypes
Running pre-migrate handlers for application sessions
Running migrations:
Unapplying auth.0005_alter_user_last_login_null... OK (0.023s)
Unapplying auth.0004_alter_user_username_opts... OK (0.013s)
Unapplying auth.0003_alter_user_email_max_length... OK (0.015s)
Unapplying auth.0002_alter_permission_name_max_length... OK (0.008s)
Unapplying admin.0001_initial... OK (0.014s)
Unapplying auth.0001_initial... OK (0.035s)
Running post-migrate handlers for application admin
Traceback (most recent call last):
File "./manage.py", line 10, in <module>
execute_from_command_line(sys.argv)
File
"/home/florian/sources/django.git/django/core/management/__init__.py",
line 338, in execute_from_command_line
utility.execute()
File
"/home/florian/sources/django.git/django/core/management/__init__.py",
line 330, in execute
self.fetch_command(subcommand).run_from_argv(self.argv)
File "/home/florian/sources/django.git/django/core/management/base.py",
line 391, in run_from_argv
self.execute(*args, **cmd_options)
File "/home/florian/sources/django.git/django/core/management/base.py",
line 445, in execute
output = self.handle(*args, **options)
File
"/home/florian/sources/django.git/django/core/management/commands/migrate.py",
line 216, in handle
emit_post_migrate_signal(created_models, self.verbosity,
self.interactive, connection.alias)
File "/home/florian/sources/django.git/django/core/management/sql.py",
line 280, in emit_post_migrate_signal
using=db)
File "/home/florian/sources/django.git/django/dispatch/dispatcher.py",
line 198, in send
response = receiver(signal=self, sender=sender, **named)
File
"/home/florian/sources/django.git/django/contrib/auth/management/__init__.py",
line 93, in create_permissions
"content_type", "codename"
File "/home/florian/sources/django.git/django/db/models/query.py", line
164, in __iter__
self._fetch_all()
File "/home/florian/sources/django.git/django/db/models/query.py", line
999, in _fetch_all
self._result_cache = list(self.iterator())
File "/home/florian/sources/django.git/django/db/models/query.py", line
1254, in iterator
for row in self.query.get_compiler(self.db).results_iter():
File
"/home/florian/sources/django.git/django/db/models/sql/compiler.py", line
747, in results_iter
for rows in self.execute_sql(MULTI):
File
"/home/florian/sources/django.git/django/db/models/sql/compiler.py", line
831, in execute_sql
cursor.execute(sql, params)
File "/home/florian/sources/django.git/django/db/backends/utils.py",
line 80, in execute
return super(CursorDebugWrapper, self).execute(sql, params)
File "/home/florian/sources/django.git/django/db/backends/utils.py",
line 65, in execute
return self.cursor.execute(sql, params)
File "/home/florian/sources/django.git/django/db/utils.py", line 95, in
__exit__
six.reraise(dj_exc_type, dj_exc_value, traceback)
File "/home/florian/sources/django.git/django/db/backends/utils.py",
line 65, in execute
return self.cursor.execute(sql, params)
django.db.utils.ProgrammingError: relation "auth_permission" does not
exist
LINE 1: ...ntent_type_id", "auth_permission"."codename" FROM "auth_perm...
}}}
and migrating contenttypes to zero:
{{{
./manage.py migrate -v3 contenttypes zero
Operations to perform:
Unapply all migrations: contenttypes
Running pre-migrate handlers for application admin
Running pre-migrate handlers for application auth
Running pre-migrate handlers for application contenttypes
Running pre-migrate handlers for application sessions
Running migrations:
Unapplying contenttypes.0001_initial... OK (0.029s)
Running post-migrate handlers for application admin
Traceback (most recent call last):
File "./manage.py", line 10, in <module>
execute_from_command_line(sys.argv)
File
"/home/florian/sources/django.git/django/core/management/__init__.py",
line 338, in execute_from_command_line
utility.execute()
File
"/home/florian/sources/django.git/django/core/management/__init__.py",
line 330, in execute
self.fetch_command(subcommand).run_from_argv(self.argv)
File "/home/florian/sources/django.git/django/core/management/base.py",
line 391, in run_from_argv
self.execute(*args, **cmd_options)
File "/home/florian/sources/django.git/django/core/management/base.py",
line 445, in execute
output = self.handle(*args, **options)
File
"/home/florian/sources/django.git/django/core/management/commands/migrate.py",
line 216, in handle
emit_post_migrate_signal(created_models, self.verbosity,
self.interactive, connection.alias)
File "/home/florian/sources/django.git/django/core/management/sql.py",
line 280, in emit_post_migrate_signal
using=db)
File "/home/florian/sources/django.git/django/dispatch/dispatcher.py",
line 198, in send
response = receiver(signal=self, sender=sender, **named)
File
"/home/florian/sources/django.git/django/contrib/auth/management/__init__.py",
line 82, in create_permissions
ctype = ContentType.objects.db_manager(using).get_for_model(klass)
File
"/home/florian/sources/django.git/django/contrib/contenttypes/models.py",
line 60, in get_for_model
"Error creating new content types. Please make sure contenttypes "
RuntimeError: Error creating new content types. Please make sure
contenttypes is migrated before trying to migrate apps individually.
}}}
Not really sure how to best fix this, should the signal handlers check the
migration table?
--
Ticket URL: <https://code.djangoproject.com/ticket/24075>
Django <https://code.djangoproject.com/>
The Web framework for perfectionists with deadlines.
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