我的《使用者模式》认为:
class CreateUsers < ActiveRecord::Migration
def self.up
create_table :users do |t|
t.string :name
t.string :email
t.timestamps
end
end
def self.down
drop_table :users
end
end
如果我想增加一个新栏(,见另一个Stackoverflow thread),还是我能够人工添加标记:姓名_of_new_attribute,然后是:migrate?
感谢!
适当的办法是创造新的移民。 在主要铁路项目中,有双管
<条码>铁路产生迁移
http://www.un.org
另一种办法是编辑原始移民档案,重新建立/更新数据库,并重新管理所有移民。
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