我该如何使用MySQL Workbench工具创建多态关系?我希望能够处理与Rails类似的事情:
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