If you created stored procedures in postgresql that accepted a json/hstore argument, you'd have a pretty flexible/fast system here. i.e. PUT to "/api/blah" wit

If you created stored procedures in postgresql that accepted a json/hstore argument, you'd have a pretty flexible/fast system here. i.e. PUT to "/api/blah" with {"id": 1, "name": "Joe"} could call the update_blah stored proc passing in that json.