laravel 回滚单表
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Rollback single table
提问by Rajat
How to rollback the single table in laravel 4.
I ran php artisan migrate:rollbackto roll back all the migrations but how to rollback the single table
Laravel 4中如何回滚单表，我跑回php artisan migrate:rollback滚了所有的迁移但是如何回滚单表
Advice much appreciated
非常感谢建议
回答by Andres Felipe
for example, you want to create the user table again, just go to mysql and delete from migration's table the field that correspond to TIMESTAMP_create_users_table:
例如，你想再次创建用户表，只需去mysql并从迁移表中删除与TIMESTAMP_create_users_table对应的字段：
DELETE FROM MIGRATIONS WHERE MIGRATION ="2014_10_12_000000_create_users_table";
and drop the users table too:
并删除用户表：
DROP TABLE users;
after that, just run
之后，只需运行
php artisan migrate
and that's it!
就是这样！
回答by Ronald Hulshof
If you wish to rollback only a specific table, you should make a migration that only includes that table. It's really that simple. Making large migrations covering several updates doesn't make any sense.
如果您只想回滚特定表，则应进行仅包含该表的迁移。真的就是这么简单。进行涵盖多个更新的大型迁移没有任何意义。
Create migrations based upon their purpose. That means; on a live project every little code change should have its own related migration.
根据目的创建迁移。这意味着；在实时项目中，每个小的代码更改都应该有自己的相关迁移。
回答by HeadAndTail
Just run The command (Laravel 5):-
只需运行命令（Laravel 5）：-
php artisan migrate:rollback --step=5
It will undo last 5 migrations (in fact it will execute the function "down" in each one)
它将撤消最后 5 次迁移（实际上它会在每个迁移中执行“down”函数）
php artisan migrate
It will add all migration table into database
它将所有迁移表添加到数据库中
