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@@ -34,8 +34,13 @@
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       ActiveRecord::Base.class_eval { include Finder }
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       # support pagination on associations
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-      [ ActiveRecord::Associations::AssociationCollection,
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-          ActiveRecord::Associations::HasManyThroughAssociation ].each do |klass|
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+      a = ActiveRecord::Associations
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+      returning([ a::AssociationCollection ]) { |classes|
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+        # detect http://dev.rubyonrails.org/changeset/9230
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+        unless a::HasManyThroughAssociation.superclass == a::HasManyAssociation
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+          classes << a::HasManyThroughAssociation
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+        end
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+      }.each do |klass|
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         klass.class_eval do
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           include Finder::ClassMethods
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           alias_method_chain :method_missing, :paginate