Merge pull request #21635 from sideshowcoder/ar_type_docs_fix

Documentation ActiveRecord Attributes API code fix

activerecord/lib/active_record/attributes.rb

@@ -119,7 +119,7 @@ module ClassMethods
       #
       #   class MoneyType < ActiveRecord::Type::Integer
       #     def cast(value)
-      #       if value.include?('$')
+      #       if !value.kind_of(Numeric) && value.include?('$')
       #         price_in_dollars = value.gsub(/\$/, '').to_f
       #         super(price_in_dollars * 100)
       #       else