gistfile1.txt

1.9.2-p290 :005 > a = Allergy.all
  Allergy Load (0.5ms)  SELECT "allergies".* FROM "allergies" 
 => [#<Allergy id: 1, name: "Milk", desc: "Allergic to milk", created_at: "2012-01-08 16:38:55", updated_at: "2012-01-09 11:48:20", patient_id: 1>, #<Allergy id: 2, name: "Blah", desc: "Test", created_at: "2012-01-09 12:20:48", updated_at: "2012-01-09 12:20:48", patient_id: 2>] 
1.9.2-p290 :006 > a[0]
 => #<Allergy id: 1, name: "Milk", desc: "Allergic to milk", created_at: "2012-01-08 16:38:55", updated_at: "2012-01-09 11:48:20", patient_id: 1> 
1.9.2-p290 :007 > a[0].full_name
NoMethodError: undefined method `full_name' for #<Allergy:0x1720870>
	from /Users/wenbert/.rvm/gems/ruby-1.9.2-p290/gems/activemodel-3.1.3/lib/active_model/attribute_methods.rb:385:in `method_missing'
	from /Users/wenbert/.rvm/gems/ruby-1.9.2-p290/gems/activerecord-3.1.3/lib/active_record/attribute_methods.rb:60:in `method_missing'
	from (irb):7
	from /Users/wenbert/.rvm/gems/ruby-1.9.2-p290/gems/railties-3.1.3/lib/rails/commands/console.rb:45:in `start'
	from /Users/wenbert/.rvm/gems/ruby-1.9.2-p290/gems/railties-3.1.3/lib/rails/commands/console.rb:8:in `start'
	from /Users/wenbert/.rvm/gems/ruby-1.9.2-p290/gems/railties-3.1.3/lib/rails/commands.rb:40:in `<top (required)>'
	from script/rails:6:in `require'
	from script/rails:6:in `<main>'
1.9.2-p290 :008 >