Displaying 2 results from an estimated 2 matches for "njmacin".
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jmarin
2007 Oct 12
6
abstract_class... what exactly does it do
Hi,
Does anyone know much about abstract_class? Does it actually prevent
instances of the class from being created? Does it disable certain
methods? I already know what it''s for, but I want to know what setting
self.abstract_class=true actually does.
The reason I ask is that I want to use it for a slightly unorthodox
purpose. I want a class who''s only attributes are its
2007 Apr 30
2
has_many :through polymorphic
Hi All,
I have the following arrangement:
class PickAndPackRequest < ActiveRecord::Base
has_many :transactions, :as => :request
has_many :postings, :through => :transactions
end
class Transaction < ActiveRecord::Base
belongs_to :request, :polymorphic => true
has_many :postings
end
class Posting < ActiveRecord::Base
belongs_to :transaction
end
But when I ask for