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我有角色模型,它在我的应用程序中的 FastAPI+Tortoise 中与用户模型作为 FK 连接

class UserRoles(Model):
   
    id = UUIDField(pk=True, default=uuid.uuid4)
    name = CharField(max_length=255, description='Наименование', unique=True)

    class Meta:
        table = 'roles'

和用户模型

class UsersModel(Model, ObjChangesDatetimeMixin):
    
    id = UUIDField(pk=True, default=uuid.uuid4)
    name = CharField(max_length=255, description='ФИО')
    email = CharField(max_length=255, unique=True)
    password = CharField(max_length=255)
    is_active = BooleanField(default=True)
    role = ForeignKeyField('models.UserRoles', related_name='users')

    class Meta:
        table = 'users'

迁移后,我在我的 sql 文件中得到了这个:

ALTER TABLE "users" ADD CONSTRAINT "fk_users_roles_2657b48c" FOREIGN KEY ("role_id") REFERENCES "roles" ("id") ON DELETE CASCADE;

但是导师说我应该使用正确的约束名称“users__role_id_fk”创建。我需要做的是获取 sql 等记录:

ALTER TABLE "users" ADD CONSTRAINT "users__role_id_fk" FOREIGN KEY ("role_id") REFERENCES "roles" ("id") ON DELETE CASCADE;
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