invert_drop_table

# File activerecord/lib/active_record/migration/command_recorder.rb, line 119
      def invert_drop_table(args, &block)
        if args.size == 1 && block == nil
          raise ActiveRecord::IrreversibleMigration, "To avoid mistakes, drop_table is only reversible if given options or a block (can be empty)."
        end
        super
      end