I was looking for a method to get an array of all model attributes and associations on an ActiveRecord model. I had a hard time finding the answer to this question, so, I will post my answer and see if there is a better solution.
To get all attributes
m = Model.new
m.attributes
To get all Model associations
Model.reflect_on_all_associations.map{|x| x.class_name}.compact
These links will provide more details How do you discover model attributes in Rails
http://www.funonrails.com/2009/11/how-to-get-all-associted-models-of.html
My solution is:
m = Model.find(id)
m.attributes.keys.concat(m.reflections.map{|r| r.first.to_s})
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