解决Django migrate No changes detected 不能创建表的问题

解决解决Django migrate No changes detected 不能创建表的问不能创建表的问

题题

今天小编就为大家分享一篇解决Django migrate No changes detected 不能创建表的问题，具有很好的参考价

值，希望对大家有所帮助。一起跟随小编过来看看吧

起因起因

修改了表结构以后执行python3 manage.py migrate 报错:

django.db.utils.OperationalError: (1091, "Can't DROP 'email'; check that column/key exists")

所以进数据库把对应的表删除了,想着重新生成这张表.

$ rm -rf migrations/ __pycache__/

重新执行重新执行:

$ python3 manage.py makemigrations

No changes detected

$~/code/django/blogproject$ python3 manage.py makemigrations comments

Migrations for 'comments':

comments/migrations/0001_initial.py

- Create model Comment

$~/code/django/blogproject$ python3 manage.py migrate

Operations to perform:

重新执行生成数据库命令重新执行生成数据库命令:

$ python3 manage.py makemigrations comments

No changes detected in app 'comments'

$~/code/django/blogproject$ python3 manage.py migrate comments

Operations to perform:

Apply all migrations: comments

Running migrations:

Applying comments.0001_initial... OK

数据表顺利生成数据表顺利生成.

结论结论