Rails -- use type column without STI?

In Rails 3.1 set_inheritance_column is deprecated, also you can just use nil as a name, like this:

class Pancakes < ActiveRecord::Base
    self.inheritance_column = nil
    #...
end

You can override the STI column name using set_inheritance_column:

class Pancakes < ActiveRecord::Base
    set_inheritance_column 'something_you_will_not_use'
    #...
end

So pick some column name that you won't use for anything and feed that to set_inheritance_column.

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