昨天我删除了我的数据库表,因为我需要将latin1_swedish_ci更改为utf8_general_ci,以便在我的应用程序中使用波兰语。之后,我不能做完全迁移我的数据库,因为我有这样的问题:将latin1_swedish_ci更改为utf8_general_ci后无法迁移db
(venv) C:\netbast\fastandbeauty\project>manage.py migrate
Operations to perform:
Apply all migrations: admin, auth, comments, contenttypes, registration, sessions, social_django, user_content, user_profile
Running migrations:
Applying social_django.0005_auto_20160727_2333...Traceback (most recent call last):
File "C:\netbast\fastandbeauty\venv\lib\site-packages\django\db\backends\utils.py", line 65, in execute
return self.cursor.execute(sql, params)
File "C:\netbast\fastandbeauty\venv\lib\site-packages\django\db\backends\mysql\base.py", line 101, in execute
return self.cursor.execute(query, args)
File "C:\netbast\fastandbeauty\venv\lib\site-packages\MySQLdb\cursors.py", line 250, in execute
self.errorhandler(self, exc, value)
File "C:\netbast\fastandbeauty\venv\lib\site-packages\MySQLdb\connections.py", line 50, in defaulterrorhandler
raise errorvalue
File "C:\netbast\fastandbeauty\venv\lib\site-packages\MySQLdb\cursors.py", line 247, in execute
res = self._query(query)
File "C:\netbast\fastandbeauty\venv\lib\site-packages\MySQLdb\cursors.py", line 411, in _query
rowcount = self._do_query(q)
File "C:\netbast\fastandbeauty\venv\lib\site-packages\MySQLdb\cursors.py", line 374, in _do_query
db.query(q)
File "C:\netbast\fastandbeauty\venv\lib\site-packages\MySQLdb\connections.py", line 292, in query
_mysql.connection.query(self, query)
_mysql_exceptions.OperationalError: (1071, 'Specified key was too long; max key length is 1000 bytes')
The above exception was the direct cause of the following exception:
Traceback (most recent call last):
File "C:\netbast\fastandbeauty\project\manage.py", line 22, in <module>
execute_from_command_line(sys.argv)
File "C:\netbast\fastandbeauty\venv\lib\site-packages\django\core\management\__init__.py", line 363, in execute_from_command_line
utility.execute()
File "C:\netbast\fastandbeauty\venv\lib\site-packages\django\core\management\__init__.py", line 355, in execute
self.fetch_command(subcommand).run_from_argv(self.argv)
File "C:\netbast\fastandbeauty\venv\lib\site-packages\django\core\management\base.py", line 283, in run_from_argv
self.execute(*args, **cmd_options)
File "C:\netbast\fastandbeauty\venv\lib\site-packages\django\core\management\base.py", line 330, in execute
output = self.handle(*args, **options)
File "C:\netbast\fastandbeauty\venv\lib\site-packages\django\core\management\commands\migrate.py", line 204, in handle
fake_initial=fake_initial,
File "C:\netbast\fastandbeauty\venv\lib\site-packages\django\db\migrations\executor.py", line 115, in migrate
state = self._migrate_all_forwards(state, plan, full_plan, fake=fake, fake_initial=fake_initial)
File "C:\netbast\fastandbeauty\venv\lib\site-packages\django\db\migrations\executor.py", line 145, in _migrate_all_forwards
state = self.apply_migration(state, migration, fake=fake, fake_initial=fake_initial)
File "C:\netbast\fastandbeauty\venv\lib\site-packages\django\db\migrations\executor.py", line 244, in apply_migration
state = migration.apply(state, schema_editor)
File "C:\netbast\fastandbeauty\venv\lib\site-packages\django\db\migrations\migration.py", line 129, in apply
operation.database_forwards(self.app_label, schema_editor, old_state, project_state)
File "C:\netbast\fastandbeauty\venv\lib\site-packages\django\db\migrations\operations\models.py", line 536, in database_forwards
getattr(new_model._meta, self.option_name, set()),
File "C:\netbast\fastandbeauty\venv\lib\site-packages\django\db\backends\base\schema.py", line 353, in alter_unique_together
self.execute(self._create_unique_sql(model, columns))
File "C:\netbast\fastandbeauty\venv\lib\site-packages\django\db\backends\base\schema.py", line 120, in execute
cursor.execute(sql, params)
File "C:\netbast\fastandbeauty\venv\lib\site-packages\django\db\backends\utils.py", line 80, in execute
return super(CursorDebugWrapper, self).execute(sql, params)
File "C:\netbast\fastandbeauty\venv\lib\site-packages\django\db\backends\utils.py", line 65, in execute
return self.cursor.execute(sql, params)
File "C:\netbast\fastandbeauty\venv\lib\site-packages\django\db\utils.py", line 94, in __exit__
six.reraise(dj_exc_type, dj_exc_value, traceback)
File "C:\netbast\fastandbeauty\venv\lib\site-packages\django\utils\six.py", line 685, in reraise
raise value.with_traceback(tb)
File "C:\netbast\fastandbeauty\venv\lib\site-packages\django\db\backends\utils.py", line 65, in execute
return self.cursor.execute(sql, params)
File "C:\netbast\fastandbeauty\venv\lib\site-packages\django\db\backends\mysql\base.py", line 101, in execute
return self.cursor.execute(query, args)
File "C:\netbast\fastandbeauty\venv\lib\site-packages\MySQLdb\cursors.py", line 250, in execute
self.errorhandler(self, exc, value)
File "C:\netbast\fastandbeauty\venv\lib\site-packages\MySQLdb\connections.py", line 50, in defaulterrorhandler
raise errorvalue
File "C:\netbast\fastandbeauty\venv\lib\site-packages\MySQLdb\cursors.py", line 247, in execute
res = self._query(query)
File "C:\netbast\fastandbeauty\venv\lib\site-packages\MySQLdb\cursors.py", line 411, in _query
rowcount = self._do_query(q)
File "C:\netbast\fastandbeauty\venv\lib\site-packages\MySQLdb\cursors.py", line 374, in _do_query
db.query(q)
File "C:\netbast\fastandbeauty\venv\lib\site-packages\MySQLdb\connections.py", line 292, in query
_mysql.connection.query(self, query)
django.db.utils.OperationalError: (1071, 'Specified key was too long; max key length is 1000 bytes')
我不知道我能做些什么,因为我的徒弟。我找到了答案,但它并没有帮助我。
对不起,我的英语不好。
PS。当我启动服务器运行时,但社交django不起作用。只有该应用程序无法迁移。
一切顺利, 鼎晟
那么表'fastandbeauty.social_auth_association'存在吗? – Adder
我觉得没有。看看我所有的表格:https://s1.postimg.org/8e0wzf9hxr/Przechwytywanie.png – Dinson
当你说“我删除了我所有的表格”时,你的意思是你已经从'migrations文件夹'中删除了'迁移文件'并试图进行迁移?这是你的开发数据库吗?你有任何敏感数据吗? – PetarP