无法使用django和sqlite进行迁移django.db.migrations.exceptions.MigrationSchemaMissing：无法创建django_migrations表

编程问答 2022-08-12

问题描述

我正在填充sqlite数据库，并想在我的django项目中使用它。以前效果不错，但现在我想migrate时出现以下错误：

Operations to perform:
  Apply all migrations: admin,auth,contenttypes,sessions
Running migrations:
Traceback (most recent call last):
  File "C:\Daten\Software\venv_sqldatabase\lib\site-packages\django\db\backends\utils.py",line 84,in _execute
    return self.cursor.execute(sql,params)
  File "C:\Daten\Software\venv_sqldatabase\lib\site-packages\django\db\backends\sqlite3\base.py",line 383,in execute
    return Database.Cursor.execute(self,query,params)
sqlite3.OperationalError: no such column: None

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "C:\Daten\Software\venv_sqldatabase\lib\site-packages\django\db\migrations\recorder.py",line 67,in ensure_schema
    editor.create_model(self.Migration)
  File "C:\Daten\Software\venv_sqldatabase\lib\site-packages\django\db\backends\sqlite3\schema.py",line 34,in __exit__
    self.connection.check_constraints()
  File "C:\Daten\Software\venv_sqldatabase\lib\site-packages\django\db\backends\sqlite3\base.py",line 311,in check_constraints
    (rowid,),File "C:\Daten\Software\venv_sqldatabase\lib\site-packages\django\db\backends\utils.py",line 99,in execute
    return super().execute(sql,params)
  File "C:\Daten\Software\venv_sqldatabase\lib\site-packages\django\db\backends\utils.py",in execute
    return self._execute_with_wrappers(sql,params,many=False,executor=self._execute)
  File "C:\Daten\Software\venv_sqldatabase\lib\site-packages\django\db\backends\utils.py",line 76,in _execute_with_wrappers
    return executor(sql,many,context)
  File "C:\Daten\Software\venv_sqldatabase\lib\site-packages\django\db\backends\utils.py",params)
  File "C:\Daten\Software\venv_sqldatabase\lib\site-packages\django\db\utils.py",line 89,in __exit__
    raise dj_exc_value.with_traceback(traceback) from exc_value
  File "C:\Daten\Software\venv_sqldatabase\lib\site-packages\django\db\backends\utils.py",params)
django.db.utils.OperationalError: no such column: None

During handling of the above exception,another exception occurred:

Traceback (most recent call last):
  File "manage.py",line 21,in <module>
    main()
  File "manage.py",line 17,in main
    execute_from_command_line(sys.argv)
  File "C:\Daten\Software\venv_sqldatabase\lib\site-packages\django\core\management\__init__.py",line 381,in execute_from_command_line
    utility.execute()
  File "C:\Daten\Software\venv_sqldatabase\lib\site-packages\django\core\management\__init__.py",line 375,in execute
    self.fetch_command(subcommand).run_from_argv(self.argv)
  File "C:\Daten\Software\venv_sqldatabase\lib\site-packages\django\core\management\base.py",line 323,in run_from_argv
    self.execute(*args,**cmd_options)
  File "C:\Daten\Software\venv_sqldatabase\lib\site-packages\django\core\management\base.py",line 364,in execute
    output = self.handle(*args,**options)
  File "C:\Daten\Software\venv_sqldatabase\lib\site-packages\django\core\management\base.py",line 83,in wrapped
    res = handle_func(*args,**kwargs)
  File "C:\Daten\Software\venv_sqldatabase\lib\site-packages\django\core\management\commands\migrate.py",line 234,in handle
    fake_initial=fake_initial,File "C:\Daten\Software\venv_sqldatabase\lib\site-packages\django\db\migrations\executor.py",line 91,in migrate
    self.recorder.ensure_schema()
  File "C:\Daten\Software\venv_sqldatabase\lib\site-packages\django\db\migrations\recorder.py",line 69,in ensure_schema
    raise MigrationSchemaMissing("Unable to create the django_migrations table (%s)" % exc)
django.db.migrations.exceptions.MigrationSchemaMissing: Unable to create the django_migrations table (no such column: None)

我正在使用Django 2.2.15和Python 3.7.6。

解决方法

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