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如何使用MySQL Workbench工具创建多态关系?我希望能够处理像什么Rails的给我:使用MySQL Workbench创建多态关联
class Example < ActiveRecord::Base
belongs_to :someone, polymorphic: true
end
class PolyOne < ActiveRecord::Base
has_many :examples, as: :someone
end
class PolyTwo < ActiveRecord::Base
has_many :examples, as: :someone
end
谢谢!正是我需要的:-) – raice