invert_drop_table

# File activerecord/lib/active_record/migration/command_recorder.rb, line 217
        def invert_drop_table(args, &block)
          options = args.extract_options!
          options.delete(:if_exists)

          if args.size > 1
            raise ActiveRecord::IrreversibleMigration, "To avoid mistakes, drop_table is only reversible if given a single table name."
          end

          if args.size == 1 && options == {} && block == nil
            raise ActiveRecord::IrreversibleMigration, "To avoid mistakes, drop_table is only reversible if given options or a block (can be empty)."
          end

          args << options unless options.empty?

          super(args, &block)
        end