# File lib/tapkit/access/sql.rb, line 631
                def sql_for_value( keypath, object )
                        attribute = @entity.destination_attribute keypath

                        if must_use_bind_variable?(attribute) or \
                                should_use_bind_variable?(attribute) then
                                binding = bind_variable(attribute, object)
                                binding[NAME_KEY] = keypath
                                add_bind_variable binding
                                return binding[PLACEHOLDER_KEY]
                        end

                        format_value(object, attribute)
                end