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轨移徙引用

代码示例

4
0

添加参考轨移徙 

rails g migration AddUserToUploads user:references
4
0

如何创建迁移轨道 

rails g migration AddPartNumberToProducts
3
0

添加参考轨移徙 

class AddUserToUploads < ActiveRecord::Migration
  def change
    add_reference :uploads, :user, index: true
  end
end
0
0

看到移徙的历史轨 

rake db:migrate:status

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