I'm not sure Rails needs to do anything to support this. IOW, it's not the responsibility of Rails. You can use this:
https://github.com/tenderlove/hana
in combination with JSON.load and JSON.dump.
Thanks, Aaron! Related thread: Redirecting to Google Groups
I confused things when I started this thread, then deleted it because I thought I wasn’t being specific enough in the subject line. Then somehow you were able to post back to it and revive it like Lazurus. 
