restore_transaction_record_state

# File activerecord/lib/active_record/transactions.rb, line 362
    def restore_transaction_record_state(force = false) #:nodoc:
      unless @_start_transaction_state.empty?
        transaction_level = (@_start_transaction_state[:level] || 0) - 1
        if transaction_level < 1 || force
          restore_state = @_start_transaction_state
          was_frozen = restore_state[:frozen?]
          @attributes = @attributes.dup if @attributes.frozen?
          @new_record = restore_state[:new_record]
          @destroyed  = restore_state[:destroyed]
          if restore_state.has_key?(:id)
            write_attribute(self.class.primary_key, restore_state[:id])
          else
            @attributes.delete(self.class.primary_key)
            @attributes_cache.delete(self.class.primary_key)
          end
          @attributes.freeze if was_frozen
        end
      end
    end