# File lib/foreigner/migration/command_recorder.rb, line 12
      def invert_add_foreign_key(args)#from_table, to_table, add_options = {})
        from_table, to_table, add_options = *args
        add_options ||= {}

        if add_options[:name]
          options = {:name => add_options[:name]}
        elsif add_options[:column]
          options = {:column => add_options[:column]}
        else
          options = to_table
        end

        [:remove_foreign_key, [from_table, options]]
      end