lock_version bug? (was: reducing the number of columns written by Active Record)

Michael,

I have exactly the same problem that occurs only on the production server (can't
reproduce it on dev server).

Have you find an answer?

http://groups.google.com/group/rubyonrails-talk/browse_thread/thread/1be4b617c224b008/fc753409a07230d0#fc753409a07230d0

thanks,
i