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polymorphic counter cache problem

View klasses.rb
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class Allen < ActiveRecord::Base
has_many :joins, :as => :resource
...
end
 
class Bob < ActiveRecord::Base
has_many :joins, :as => :resource
...
end
 
class Chris < ActiveRecord::Base
has_many :joins, :as => :resource
...
end
 
class Join < ActiveRecord::Base
belongs_to :initiator, :class_name => "User", :foreign_key => "user_id"
:counter_cache => ....
belongs_to :resource, :polymorphic => true, :counter_cache => :resources_count
end
 
class User < ActiveRecord::Base
has_many :joins
has_many :allens, :through => :joins, :source => :initiator
has_many :initial_joins, :class_name => "Join"
end
 
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