python - Django 关系“users_driverregistration”不存在
问题描述
我更改了 django 模型并将新版本部署到服务器。在管理页面中,我看到一个错误
关系“users_driverregistration”不存在第 1 行:SELECT COUNT(*) AS “__count” FROM “users_driverregistration”
我试图通过更新数据库
python3 manage.py makemigrations
python3 manage.py migrate
但收到错误
File "manage.py", line 22, in <module>
main()
File "manage.py", line 18, in main
execute_from_command_line(sys.argv)
File "/usr/local/lib/python3.7/site-packages/django/core/management/__init__.py", line 381, in execute_from_command_line
utility.execute()
File "/usr/local/lib/python3.7/site-packages/django/core/management/__init__.py", line 375, in execute
self.fetch_command(subcommand).run_from_argv(self.argv)
File "/usr/local/lib/python3.7/site-packages/django/core/management/base.py", line 323, in run_from_argv
self.execute(*args, **cmd_options)
File "/usr/local/lib/python3.7/site-packages/django/core/management/base.py", line 364, in execute
output = self.handle(*args, **options)
File "/usr/local/lib/python3.7/site-packages/django/core/management/base.py", line 83, in wrapped
res = handle_func(*args, **kwargs)
File "/usr/local/lib/python3.7/site-packages/django/core/management/commands/migrate.py", line 234, in handle
fake_initial=fake_initial,
File "/usr/local/lib/python3.7/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 "/usr/local/lib/python3.7/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 "/usr/local/lib/python3.7/site-packages/django/db/migrations/executor.py", line 245, in apply_migration
state = migration.apply(state, schema_editor)
File "/usr/local/lib/python3.7/site-packages/django/db/migrations/migration.py", line 124, in apply
operation.database_forwards(self.app_label, schema_editor, old_state, project_state)
File "/usr/local/lib/python3.7/site-packages/django/db/migrations/operations/fields.py", line 112, in database_forwards
field,
File "/usr/local/lib/python3.7/site-packages/django/db/backends/base/schema.py", line 447, in add_field
self.execute(sql, params)
File "/usr/local/lib/python3.7/site-packages/django/db/backends/base/schema.py", line 137, in execute
cursor.execute(sql, params)
File "/usr/local/lib/python3.7/site-packages/django/db/backends/utils.py", line 99, in execute
return super().execute(sql, params)
File "/usr/local/lib/python3.7/site-packages/sentry_sdk/integrations/django/__init__.py", line 467, in execute
return real_execute(self, sql, params)
File "/usr/local/lib/python3.7/site-packages/django/db/backends/utils.py", line 67, in execute
return self._execute_with_wrappers(sql, params, many=False, executor=self._execute)
File "/usr/local/lib/python3.7/site-packages/django/db/backends/utils.py", line 76, in _execute_with_wrappers
return executor(sql, params, many, context)
File "/usr/local/lib/python3.7/site-packages/django/db/backends/utils.py", line 84, in _execute
return self.cursor.execute(sql, params)
File "/usr/local/lib/python3.7/site-packages/django/db/utils.py", line 89, in __exit__
raise dj_exc_value.with_traceback(traceback) from exc_value
File "/usr/local/lib/python3.7/site-packages/django/db/backends/utils.py", line 84, in _execute
return self.cursor.execute(sql, params)
django.db.utils.ProgrammingError: column "is_updated" of relation "users_aggregator" already exists
我发现这篇文章Relation does not exist error in Django
但是有没有不删除数据库的解决方案?(我想解决问题并保存我的数据)
解决方案
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