django.db.utils.OperationalError: sequence must have same owner as table it is linked to
Question
I am trying to update the USER auth model in Django in the middle of a project. I am also trying to learn a bit more, so I chose to do the "hard way" and switch out the standard auth model with a modified AbstractUserModel than doing the 'profile' 1-to-1 method often suggested. I feel I am quite close, as I am trying to apply the final migration with walkthrough suggestions from here and here . There is some inclination that Django runs the ALTER SEQUENCE OWNED BY with a different (auth user maybe?) user than the database user (who you are logged in as maybe?). I have confirmed that the OWNER of the tables and sequences are owned by all the same OWNER, but am still getting the migrate error. Thank you all in advance:)
When trying to run ./manage.py migrate --verbosity 3 , I get the following error:
IN DEV XXXXXXX
Operations to perform:
Apply all migrations: account, … trucks
Running pre-migrate handlers for application auth
…
Running pre-migrate handlers for application account
Running pre-migrate handlers for application trucks
Running migrations:
Applying accounts.0004_auto_20220424_0024...Traceback (most recent call last):
File "/Users/me/.virtualenvs/virtualENV/lib/python3.9/site-packages/django/db/backends/utils.py", line 84, in _execute
return self.cursor.execute(sql, params)
psycopg2.errors.ObjectNotInPrerequisiteState: sequence must have same owner as table it is linked to
The above exception was the direct cause of the following exception:
Traceback (most recent call last):
File "/Users/me/dev/PROJECT/./manage.py", line 22, in <module>
execute_from_command_line(sys.argv)
File "/Users/me/.virtualenvs/virtualENV/lib/python3.9/site-packages/django/core/management/__init__.py", line 419, in execute_from_command_line
utility.execute()
File "/Users/me/.virtualenvs/virtualENV/lib/python3.9/site-packages/django/core/management/__init__.py", line 413, in execute
self.fetch_command(subcommand).run_from_argv(self.argv)
File "/Users/me/.virtualenvs/virtualENV/lib/python3.9/site-packages/django/core/management/base.py", line 354, in run_from_argv
self.execute(*args, **cmd_options)
File "/Users/me/.virtualenvs/virtualENV/lib/python3.9/site-packages/django/core/management/base.py", line 398, in execute
output = self.handle(*args, **options)
File "/Users/me/.virtualenvs/virtualENV/lib/python3.9/site-packages/django/core/management/base.py", line 89, in wrapped
res = handle_func(*args, **kwargs)
File "/Users/me/.virtualenvs/virtualENV/lib/python3.9/site-packages/django/core/management/commands/migrate.py", line 244, in handle
post_migrate_state = executor.migrate(
File "/Users/me/.virtualenvs/virtualENV/lib/python3.9/site-packages/django/db/migrations/executor.py", line 117, in migrate
state = self._migrate_all_forwards(state, plan, full_plan, fake=fake, fake_initial=fake_initial)
File "/Users/me/.virtualenvs/virtualENV/lib/python3.9/site-packages/django/db/migrations/executor.py", line 147, in _migrate_all_forwards
state = self.apply_migration(state, migration, fake=fake, fake_initial=fake_initial)
File "/Users/me/.virtualenvs/virtualENV/lib/python3.9/site-packages/django/db/migrations/executor.py", line 227, in apply_migration
state = migration.apply(state, schema_editor)
File "/Users/me/.virtualenvs/virtualENV/lib/python3.9/site-packages/django/db/migrations/migration.py", line 126, in apply
operation.database_forwards(self.app_label, schema_editor, old_state, project_state)
File "/Users/me/.virtualenvs/virtualENV/lib/python3.9/site-packages/django/db/migrations/operations/fields.py", line 244, in database_forwards
schema_editor.alter_field(from_model, from_field, to_field)
File "/Users/me/.virtualenvs/virtualENV/lib/python3.9/site-packages/django/db/backends/base/schema.py", line 608, in alter_field
self._alter_field(model, old_field, new_field, old_type, new_type,
File "/Users/me/.virtualenvs/virtualENV/lib/python3.9/site-packages/django/db/backends/postgresql/schema.py", line 196, in _alter_field
super()._alter_field(
File "/Users/me/.virtualenvs/virtualENV/lib/python3.9/site-packages/django/db/backends/base/schema.py", line 794, in _alter_field
self.execute(sql, params)
File "/Users/me/.virtualenvs/virtualENV/lib/python3.9/site-packages/django/db/backends/base/schema.py", line 145, in execute
cursor.execute(sql, params)
File "/Users/me/.virtualenvs/virtualENV/lib/python3.9/site-packages/django/db/backends/utils.py", line 98, in execute
return super().execute(sql, params)
File "/Users/me/.virtualenvs/virtualENV/lib/python3.9/site-packages/django/db/backends/utils.py", line 66, in execute
return self._execute_with_wrappers(sql, params, many=False, executor=self._execute)
File "/Users/me/.virtualenvs/virtualENV/lib/python3.9/site-packages/django/db/backends/utils.py", line 75, in _execute_with_wrappers
return executor(sql, params, many, context)
File "/Users/me/.virtualenvs/virtualENV/lib/python3.9/site-packages/django/db/backends/utils.py", line 84, in _execute
return self.cursor.execute(sql, params)
File "/Users/me/.virtualenvs/virtualENV/lib/python3.9/site-packages/django/db/utils.py", line 90, in __exit__
raise dj_exc_value.with_traceback(traceback) from exc_value
File "/Users/me/.virtualenvs/virtualENV/lib/python3.9/site-packages/django/db/backends/utils.py", line 84, in _execute
return self.cursor.execute(sql, params)
django.db.utils.OperationalError: sequence must have same owner as table it is linked to
Django accounts Model:
from django.contrib.auth.models import AbstractUser
class User(AbstractUser):
member_id = models.CharField(max_length=100, blank=True, default='')
member_default_location = models.CharField(max_length=100, blank=True, default='1234')
Django accounts migration_0004:
# Generated by Django 3.2.12 on 2022-04-24 04:24
from django.db import migrations, models
class Migration(migrations.Migration):
dependencies = [
('accounts', '0003_change_user_type'),
]
operations = [
migrations.AlterModelOptions(
name='user',
options={'verbose_name': 'user', 'verbose_name_plural': 'users'},
),
migrations.AddField(
model_name='user',
name='member_default_location',
field=models.CharField(blank=True, default='1234', max_length=100),
),
migrations.AddField(
model_name='user',
name='member_id',
field=models.CharField(blank=True, default='', max_length=100),
),
migrations.AlterField(
model_name='user',
name='id',
field=models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID'),
),
migrations.AlterModelTable(
name='user',
table=None,
),
]
./manage.py sqlmigrate accounts 0004 yields:
IN DEV XXXXXXX
BEGIN;
--
-- Change Meta options on user
--
--
-- Add field square_member_default_location to user
--
ALTER TABLE "auth_user" ADD COLUMN "square_member_default_location" varchar(100) DEFAULT '6HKMHRR5AW5X8' NOT NULL;
ALTER TABLE "auth_user" ALTER COLUMN "square_member_default_location" DROP DEFAULT;
--
-- Add field square_member_id to user
--
ALTER TABLE "auth_user" ADD COLUMN "square_member_id" varchar(100) DEFAULT '' NOT NULL;
ALTER TABLE "auth_user" ALTER COLUMN "square_member_id" DROP DEFAULT;
--
-- Alter field id on user
--
SET CONSTRAINTS "auth_user_groups_user_id_6a12ed8b_fk_auth_user_id" IMMEDIATE; ALTER TABLE "auth_user_groups" DROP CONSTRAINT "auth_user_groups_user_id_6a12ed8b_fk_auth_user_id";
SET CONSTRAINTS "auth_user_user_permissions_user_id_a95ead1b_fk_auth_user_id" IMMEDIATE; ALTER TABLE "auth_user_user_permissions" DROP CONSTRAINT "auth_user_user_permissions_user_id_a95ead1b_fk_auth_user_id";
SET CONSTRAINTS "accounts_accountuser_user_id_ae8d4e71_fk_auth_user_id" IMMEDIATE; ALTER TABLE "accounts_accountuser" DROP CONSTRAINT "accounts_accountuser_user_id_ae8d4e71_fk_auth_user_id";
ALTER TABLE "auth_user" ALTER COLUMN "id" TYPE integer USING "id"::integer;
DROP SEQUENCE IF EXISTS "auth_user_id_seq" CASCADE;
CREATE SEQUENCE "auth_user_id_seq";
ALTER TABLE "auth_user" ALTER COLUMN "id" SET DEFAULT nextval('"auth_user_id_seq"');
SELECT setval('"auth_user_id_seq"', MAX("id")) FROM "auth_user";
ALTER SEQUENCE "auth_user_id_seq" OWNED BY "auth_user"."id";
ALTER TABLE "auth_user_groups" ALTER COLUMN "user_id" TYPE integer USING "user_id"::integer;
ALTER TABLE "auth_user_user_permissions" ALTER COLUMN "user_id" TYPE integer USING "user_id"::integer;
ALTER TABLE "accounts_accountuser" ALTER COLUMN "user_id" TYPE integer USING "user_id"::integer;
ALTER TABLE "accounts_accountuser" ADD CONSTRAINT "accounts_accountuser_user_id_ae8d4e71_fk" FOREIGN KEY ("user_id") REFERENCES "auth_user" ("id") DEFERRABLE INITIALLY DEFERRED;
--
-- Rename table for user to (default)
--
ALTER TABLE "auth_user" RENAME TO "accounts_user";
ALTER TABLE "auth_user_groups" RENAME TO "accounts_user_groups";
ALTER TABLE "auth_user_user_permissions" RENAME TO "accounts_user_user_permissions";
COMMIT;
./manage.py sqlsequencereset accounts yields:
IN DEV XXXXXXX
BEGIN;
SELECT setval(pg_get_serial_sequence('"accounts_user_groups"','id'), coalesce(max("id"), 1), max("id") IS NOT null) FROM "accounts_user_groups";
SELECT setval(pg_get_serial_sequence('"accounts_user_user_permissions"','id'), coalesce(max("id"), 1), max("id") IS NOT null) FROM "accounts_user_user_permissions";
SELECT setval(pg_get_serial_sequence('"accounts_user"','id'), coalesce(max("id"), 1), max("id") IS NOT null) FROM "accounts_user";
SELECT setval(pg_get_serial_sequence('"accounts_accountuser"','id'), coalesce(max("id"), 1), max("id") IS NOT null) FROM "accounts_accountuser";
SELECT setval(pg_get_serial_sequence('"accounts_service"','id'), coalesce(max("id"), 1), max("id") IS NOT null) FROM "accounts_service";
SELECT setval(pg_get_serial_sequence('"accounts_account_services"','id'), coalesce(max("id"), 1), max("id") IS NOT null) FROM "accounts_account_services";
SELECT setval(pg_get_serial_sequence('"accounts_account"','id'), coalesce(max("id"), 1), max("id") IS NOT null) FROM "accounts_account";
SELECT setval(pg_get_serial_sequence('"accounts_vendor"','id'), coalesce(max("id"), 1), max("id") IS NOT null) FROM "accounts_vendor";
SELECT setval(pg_get_serial_sequence('"accounts_accountowner"','id'), coalesce(max("id"), 1), max("id") IS NOT null) FROM "accounts_accountowner";
SELECT setval(pg_get_serial_sequence('"accounts_usercookie"','id'), coalesce(max("id"), 1), max("id") IS NOT null) FROM "accounts_usercookie";
SELECT setval(pg_get_serial_sequence('"accounts_managercontact"','id'), coalesce(max("id"), 1), max("id") IS NOT null) FROM "accounts_managercontact";
SELECT setval(pg_get_serial_sequence('"accounts_settings"','id'), coalesce(max("id"), 1), max("id") IS NOT null) FROM "accounts_settings";
COMMIT;
Per this , I have confirmed that there is not a clearly visible mismatch between the show migrations and the actual database migrations.
./manage.py showmigrations yields:
…
accounts
[X] 0001_initial
[X] 0002_account_dormant
[X] 0003_change_user_type
[ ] 0004_auto_20220424_0024
…
Confirming in the 'django_migrations' table in the postrges db that the last migration was accounts__0003 - 782 "accounts". "0003_change_user_type". "2022-04-23 23:53:46.195421-04" 782 "accounts". "0003_change_user_type". "2022-04-23 23:53:46.195421-04"
Running psql -U postgres , with the users via \du+ :
List of roles
Role name | Attributes | Member of | Description
-----------+------------------------------------------------------------+-----------+-------------
postgres | Superuser, Create role, Create DB, Replication, Bypass RLS | {} |
meme | Superuser, Create role, Create DB | {} |
and the sequences via \ds+ :
List of relations
Schema | Name | Type | Owner | Persistence | Size | Description
--------+---------------------------------------------+----------+----------+-------------+------------+-------------
…
public | accounts_account_id_seq | sequence | postgres | permanent | 8192 bytes |
public | accounts_account_service_id_seq | sequence | postgres | permanent | 8192 bytes |
…
public | auth_group_id_seq | sequence | postgres | permanent | 8192 bytes |
public | auth_group_permissions_id_seq | sequence | postgres | permanent | 8192 bytes |
public | auth_permission_id_seq | sequence | postgres | permanent | 8192 bytes |
public | auth_user_groups_id_seq | sequence | postgres | permanent | 8192 bytes |
public | auth_user_id_seq | sequence | postgres | permanent | 8192 bytes |
public | auth_user_user_permissions_id_seq | sequence | postgres | permanent | 8192 bytes |
…
and the table information via \dt+ :
List of relations
Schema | Name | Type | Owner | Persistence | Access method | Size | Description
--------+--------------------------------------+-------+----------+-------------+---------------+------------+-------------
…
public | accounts_account | table | postgres | permanent | heap | 8192 bytes |
public | accounts_account_services | table | postgres | permanent | heap | 8192 bytes |
public | accounts_accountowner | table | postgres | permanent | heap | 8192 bytes |
public | accounts_accountuser | table | postgres | permanent | heap | 8192 bytes |
…
public | auth_group | table | postgres | permanent | heap | 8192 bytes |
public | auth_group_permissions | table | postgres | permanent | heap | 8192 bytes |
public | auth_permission | table | postgres | permanent | heap | 104 kB |
public | auth_user | table | postgres | permanent | heap | 16 kB |
…
and the privelages via \dp+ :
Access privileges
Schema | Name | Type | Access privileges | Column privileges | Policies
--------+---------------------------------------------+----------+-------------------+-------------------+----------
public | account_emailaddress | table | | |
public | account_emailaddress_id_seq | sequence | | |
public | account_emailconfirmation | table | | |
public | account_emailconfirmation_id_seq | sequence | | |
public | accounts_account | table | | |
public | accounts_account_id_seq | sequence | | |
…
public | auth_user | table | | |
public | auth_user_groups | table | | |
public | auth_user_groups_id_seq | sequence | | |
public | auth_user_id_seq | sequence | | |
…
The method failing in django > db > utils is:
def _execute(self, sql, params, *ignored_wrapper_args):
self.db.validate_no_broken_transaction()
with self.db.wrap_database_errors:
if params is None:
# params default might be backend specific.
return self.cursor.execute(sql)
else:
return self.cursor.execute(sql, params)
and the failing sequence is: ALTER SEQUENCE "auth_user_id_seq" OWNED BY "auth_user"."id" with an empty list for params
Versions:
- Python 3.9.9
- Django==3.2.12
- psql (14.2)
1 answers
solution1
1 2022-04-25 01:50:33
For Local development, with a simple architecture (ie no multiple deployments or servers), be sure to check your postgres connection in the settings.py file. With a blank parameter, I guess Django loads a different or default postgres user, disregarding privileges and checks, despite prior confirmation as noted in question.
Change:
DATABASES = {
'default': {
'ENGINE': 'django.db.backends.postgresql_psycopg2',
'NAME': 'mst_db',
'USER': '',
'PASSWORD': '',
'HOST': 'localhost',
'PORT': '5432',
}
}
to:
DATABASES = {
'default': {
'ENGINE': 'django.db.backends.postgresql_psycopg2',
'NAME': 'mst_db',
'USER': 'postgres', # This was required
'PASSWORD': '',
'HOST': 'localhost',
'PORT': '5432',
}
}
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