             cb?()
             return
 
-        at_start = @_value_local
         changed = @_changes()
 
         # Send our changes to the server.

        # If something changed, then change in our local store, and also kick off a save to the backend.
        if not immutable.is(new_val, cur)
            @_value_local = @_value_local.set(id, new_val)
            @save(cb)
            @emit('change', [id])  # CRITICAL: other code assumes the key is *NOT* sent with this change event!
        return new_val

                    console.warn("_save('#{@_table}') error: #{err}")
                else
                    @emit('saved', saved_objs)
                if err
                    cb?(err)
                    return
                else
                    if @_last_set != last_set
                        # keep saving until table doesn't change *during* the save due to user set call
                        @_save(cb)
                    else
                        cb?()


    ###
    Disabled --
