php – 在Symfony 2 / Doctrine 2中是否有“generate-migrations

http://symfony.com/legacy/doc/doctrine/1_2/en/07-Migrations

它说

Generate migration classes from existing database connections
(doctrine-generate-migrations-db,doctrine-gen-migrations-from-db)

也：

Generating Migrations

Doctrine offers the ability to generate sets of
migration classes for existing databases or existing models as well as
generating blank migration classes for you to fill in with the code to
make your schema changes.

From Database

If you have an existing database you can build a set of migration
classes that will re-create your database by running the following
command.

$./symfony doctrine:generate-migrations-db

换句话说：它从数据库中获取模式并生成执行模式创建的迁移.在此过程中不使用任何实体,没有类,也不使用映射.它只需要一个DB并构建一个迁移类.

我们不再有generate-migrations-db了.我们有什么能完成这项任务吗？我找不到.如果被其他命令取代,请告诉我.如果刚删除,请告知.