restore_transaction_record_state

# File activerecord/lib/active_record/transactions.rb, line 383
    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
          thaw unless restore_state[:frozen?]
          @new_record = restore_state[:new_record]
          @destroyed  = restore_state[:destroyed]
          write_attribute(self.class.primary_key, restore_state[:id]) if self.class.primary_key
        end
      end
    end