Python &引用;关系“;社会“认证代码”;“不存在”;在django上应用迁移时
我最近从django social auth切换到python social auth,但它显然破坏了我的迁移系统。每当我尝试迁移更改时,我都会得到以下结果:Python &引用;关系“;社会“认证代码”;“不存在”;在django上应用迁移时,python,sql,django,postgresql,django-migrations,Python,Sql,Django,Postgresql,Django Migrations,我最近从django social auth切换到python social auth,但它显然破坏了我的迁移系统。每当我尝试迁移更改时,我都会得到以下结果: File "manage.py", line 10, in <module> execute_from_command_line(sys.argv) File "/app/.heroku/python/lib/python2.7/site-packages/django/core/management/__in
File "manage.py", line 10, in <module>
execute_from_command_line(sys.argv)
File "/app/.heroku/python/lib/python2.7/site-packages/django/core/management/__init__.py", line 385, in execute_from_command_line
utility.execute()
File "/app/.heroku/python/lib/python2.7/site-packages/django/core/management/__init__.py", line 377, in execute
self.fetch_command(subcommand).run_from_argv(self.argv)
File "/app/.heroku/python/lib/python2.7/site-packages/django/core/management/base.py", line 288, in run_from_argv
self.execute(*args, **options.__dict__)
File "/app/.heroku/python/lib/python2.7/site-packages/django/core/management/base.py", line 338, in execute
output = self.handle(*args, **options)
File "/app/.heroku/python/lib/python2.7/site-packages/django/core/management/commands/migrate.py", line 161, in handle
executor.migrate(targets, plan, fake=options.get("fake", False))
File "/app/.heroku/python/lib/python2.7/site-packages/django/db/migrations/executor.py", line 68, in migrate
self.apply_migration(migration, fake=fake)
File "/app/.heroku/python/lib/python2.7/site-packages/django/db/migrations/executor.py", line 102, in apply_migration
migration.apply(project_state, schema_editor)
File "/app/.heroku/python/lib/python2.7/site-packages/django/db/migrations/migration.py", line 108, in apply
operation.database_forwards(self.app_label, schema_editor, project_state, new_state)
File "/app/.heroku/python/lib/python2.7/site-packages/django/db/migrations/operations/fields.py", line 139, in database_forwards
schema_editor.alter_field(from_model, from_field, to_field)
File "/app/.heroku/python/lib/python2.7/site-packages/django/db/backends/schema.py", line 457, in alter_field
self._alter_field(model, old_field, new_field, old_type, new_type, old_db_params, new_db_params, strict)
File "/app/.heroku/python/lib/python2.7/site-packages/django/db/backends/schema.py", line 603, in _alter_field
params,
File "/app/.heroku/python/lib/python2.7/site-packages/django/db/backends/schema.py", line 103, in execute
cursor.execute(sql, params)
File "/app/.heroku/python/lib/python2.7/site-packages/django/db/backends/utils.py", line 65, in execute
return self.cursor.execute(sql, params)
File "/app/.heroku/python/lib/python2.7/site-packages/django/db/utils.py", line 94, in __exit__
six.reraise(dj_exc_type, dj_exc_value, traceback)
File "/app/.heroku/python/lib/python2.7/site-packages/django/db/backends/utils.py", line 65, in execute
return self.cursor.execute(sql, params)
django.db.utils.ProgrammingError: relation "social_auth_code" does not exist
文件“manage.py”,第10行,在
从命令行(sys.argv)执行命令
文件“/app/.heroku/python/lib/python2.7/site packages/django/core/management/_init__.py”,第385行,从命令行执行
utility.execute()
文件“/app/.heroku/python/lib/python2.7/site packages/django/core/management/_init__.py”,执行中第377行
self.fetch_命令(子命令)。从_argv(self.argv)运行_
文件“/app/.heroku/python/lib/python2.7/site packages/django/core/management/base.py”,第288行,在运行时从
self.execute(*args,**选项._dict__;
文件“/app/.heroku/python/lib/python2.7/site packages/django/core/management/base.py”,执行中第338行
输出=self.handle(*args,**选项)
handle中的文件“/app/.heroku/python/lib/python2.7/site packages/django/core/management/commands/migrate.py”,第161行
executor.migrate(目标、计划、假=options.get(“假”,假))
文件“/app/.heroku/python/lib/python2.7/site packages/django/db/migrations/executor.py”,第68行,在migrate中
self.apply\u迁移(迁移,假=假)
文件“/app/.heroku/python/lib/python2.7/site packages/django/db/migrations/executor.py”,第102行,在apply_migration中
应用(项目状态,模式编辑器)
文件“/app/.heroku/python/lib/python2.7/site packages/django/db/migrations/migration.py”,第108行,在apply中
数据库转发(self.app\u标签、模式编辑器、项目状态、新状态)
数据库中的文件“/app/.heroku/python/lib/python2.7/site packages/django/db/migrations/operations/fields.py”,第139行
schema_editor.alter_字段(从_模型、从_字段到_字段)
文件“/app/.heroku/python/lib/python2.7/site packages/django/db/backends/schema.py”,第457行,在alter_字段中
self._alter_字段(模型、旧_字段、新_字段、旧_类型、新_类型、旧_db_参数、新_db_参数、严格)
文件“/app/.heroku/python/lib/python2.7/site packages/django/db/backends/schema.py”,第603行,在_alter_字段中
params,
文件“/app/.heroku/python/lib/python2.7/site packages/django/db/backends/schema.py”,执行中的第103行
cursor.execute(sql,params)
文件“/app/.heroku/python/lib/python2.7/site packages/django/db/backends/utils.py”,执行中的第65行
返回self.cursor.execute(sql,params)
文件“/app/.heroku/python/lib/python2.7/site packages/django/db/utils.py”,第94行,在__
6.重新播放(dj_exc_类型、dj_exc_值、回溯)
文件“/app/.heroku/python/lib/python2.7/site packages/django/db/backends/utils.py”,执行中的第65行
返回self.cursor.execute(sql,params)
django.db.utils.ProgrammingError:关系“社会身份验证代码”不存在
问题是,这只发生在我的应用程序的生产版本中,而且由于其他一些原因,我过去不得不删除我的迁移文件。调查起来并不容易。不管怎么说,它现在在我的开发应用程序中运行得很好,但我不知道生产中会出现什么问题,我尝试了世界上所有的“伪造迁移”技巧,但似乎没有任何效果
我在网上唯一能找到这种错误的地方是
但是我从来没有使用过南方,所以第一个答案对我来说并不适用。
直接挖掘迁移表并发送原始SQL指令可能是解决方案,但由于它在我的生产版本中,我觉得修补数据库不合适(我有数千个注册用户,有数据和所有..)。简言之,我深陷其中。另外,我不知道使用哪个命令直接访问数据库中的迁移表
任何保证数据安全的解决方案都是非常受欢迎的:)当迁移到python\u social\u auth时,我遇到了同样的错误。 这对于Django 1.8很有用。 也许我的解决方案可以帮助您:
python manage.py migrate default 0001 --fake
# -*- coding: utf-8 -*-
from __future__ import unicode_literals
from django.db import models, migrations
import social.apps.django_app.default.fields
from django.conf import settings
import social.storage.django_orm
from social.utils import setting_name
user_model = getattr(settings, setting_name('USER_MODEL'), None) or \
getattr(settings, 'AUTH_USER_MODEL', None) or \
'auth.User'
class Migration(migrations.Migration):
dependencies = [
migrations.swappable_dependency(user_model),
('your_app', '0008_last_migration_in_your_app'),
('default', '0001_initial'),
]
operations = [
migrations.CreateModel(
name='Code',
fields=[
('id', models.AutoField(
verbose_name='ID', serialize=False, auto_created=True,
primary_key=True)),
('email', models.EmailField(max_length=75)),
('code', models.CharField(max_length=32, db_index=True)),
('verified', models.BooleanField(default=False)),
],
options={
'db_table': 'social_auth_code',
},
bases=(models.Model, social.storage.django_orm.DjangoCodeMixin),
),
migrations.AlterUniqueTogether(
name='code',
unique_together=set([('email', 'code')]),
),
]
请注意依赖关系:
dependencies = [
migrations.swappable_dependency(user_model),
('your_app', '0008_last_migration_in_your_app'),
('default', '0001_initial'),
]
python manage.py migrate your_app
python manage.py migrate
from social.storage.django_orm import DjangoCodeMixin
class Code(models.Model, DjangoCodeMixin):
email = models.EmailField(max_length=254)
code = models.CharField(max_length=32, db_index=True)
verified = models.BooleanField(default=False)
class Meta:
db_table = 'social_auth_code'
unique_together = ('email', 'code')
我以前试过运行解决方案,但在依赖性方面遇到了一些困难。 最后,我在Migration
0007\u code\u timestamp
中的Migration.operations
列表中添加了以下几行代码(与原始代码完全相同)
并确保在顶部导入social_django
这就解决了我的问题,这比创建一个新的迁移和处理依赖关系澄清更容易 谢谢,我会试试的。关于依赖关系(“你的项目”、“你的项目中的最后一次迁移”),我应该把文件放在哪里,应该放什么?我澄清了答案。如果不执行此行(('myapp','0008_last_migration.py'),则在运行migrate myapp:CommandError:检测到冲突迁移时,Django将失败(0009_migrate_psa,0008_last_migration在您的_应用中)。要修复它们,请运行“python manage.py makemigrations--merge”。。。事实上,当我在我的模型中做任何进一步的更改时,它总是要求我运行“makemigrations”,所以我这样做了,它创建了一个新的迁移文件,然后我再次迁移,它会重新让我运行“makemigrations”。。。
migrations.CreateModel(
name='Code',
fields=[
('id', models.AutoField(
verbose_name='ID', serialize=False, auto_created=True,
primary_key=True)),
('email', models.EmailField(max_length=75)),
('code', models.CharField(max_length=32, db_index=True)),
('verified', models.BooleanField(default=False)),
],
options={
'db_table': 'social_auth_code',
},
bases=(models.Model, social_django.storage.DjangoCodeMixin),
),
migrations.AlterUniqueTogether(
name='code',
unique_together=set([('email', 'code')]),
),