執(zhí)行:python manage.py migrate報錯
(venv) D:\DjangoProject\django_introduction>python manage.py migrate
Operations to perform:
? Apply all migrations: admin, auth, blog, contenttypes, sessions
Running migrations:
? Applying auth.0010_alter_group_name_max_length...Traceback (most recent call last):
? File "D:\DjangoProject\django_introduction\venv\lib\site-packages\django\db\backends\utils.py", li
ne 84, in _execute
? ? return self.cursor.execute(sql)
? File "D:\DjangoProject\django_introduction\venv\lib\site-packages\django\db\backends\sqlite3\base.
py", line 394, in execute
? ? return Database.Cursor.execute(self, query)
sqlite3.OperationalError: no such table: auth_permission__old
The above exception was the direct cause of the following exception:
Traceback (most recent call last):
? File "manage.py", line 15, in <module>
? ? execute_from_command_line(sys.argv)
? File "D:\DjangoProject\django_introduction\venv\lib\site-packages\django\core\management\__init__.
py", line 401, in execute_from_command_line
? ? utility.execute()
? File "D:\DjangoProject\django_introduction\venv\lib\site-packages\django\core\management\__init__.
py", line 395, in execute
? ? self.fetch_command(subcommand).run_from_argv(self.argv)
? File "D:\DjangoProject\django_introduction\venv\lib\site-packages\django\core\management\base.py",
?line 328, in run_from_argv
? ? self.execute(*args, **cmd_options)
? File "D:\DjangoProject\django_introduction\venv\lib\site-packages\django\core\management\base.py",
?line 369, in execute
? ? output = self.handle(*args, **options)
? File "D:\DjangoProject\django_introduction\venv\lib\site-packages\django\core\management\base.py",
?line 83, in wrapped
? ? res = handle_func(*args, **kwargs)
? File "D:\DjangoProject\django_introduction\venv\lib\site-packages\django\core\management\commands\
migrate.py", line 233, in handle
? ? fake_initial=fake_initial,
? File "D:\DjangoProject\django_introduction\venv\lib\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 "D:\DjangoProject\django_introduction\venv\lib\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 "D:\DjangoProject\django_introduction\venv\lib\site-packages\django\db\migrations\executor.py
", line 247, in apply_migration
? ? migration_recorded = True
? File "D:\DjangoProject\django_introduction\venv\lib\site-packages\django\db\backends\sqlite3\schem
a.py", line 35, in __exit__
? ? self.connection.check_constraints()
? File "D:\DjangoProject\django_introduction\venv\lib\site-packages\django\db\backends\sqlite3\base.
py", line 354, in check_constraints
? ? column_name, referenced_column_name,
? File "D:\DjangoProject\django_introduction\venv\lib\site-packages\django\db\backends\utils.py", li
(venv) D:\DjangoProject\django_introduction>
這是怎么回事?有人直到怎么回事嗎?謝謝
2021-02-19
試一下把數(shù)據(jù)庫刪了,重新makemigrations,然后再migrate;不行的話還可以把migrations目錄下面的文件清除,然后再執(zhí)行遷移命令。