lib/active_support/cache.rb in activesupport-2.1.0 vs lib/active_support/cache.rb in activesupport-2.1.1

@@ -17,11 +17,11 @@
       end
     end
 
     def self.expand_cache_key(key, namespace = nil)
       expanded_cache_key = namespace ? "#{namespace}/" : ""
-      
+
       if ENV["RAILS_CACHE_ID"] || ENV["RAILS_APP_VERSION"]
         expanded_cache_key << "#{ENV["RAILS_CACHE_ID"] || ENV["RAILS_APP_VERSION"]}/" 
       end
 
       expanded_cache_key << case
@@ -29,9 +29,11 @@
         key.cache_key
       when key.is_a?(Array)
         key.collect { |element| expand_cache_key(element) }.to_param
       when key.respond_to?(:to_param)
         key.to_param
+      else
+        key.to_s
       end
 
       expanded_cache_key
     end