rename_enum

# File activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb, line 578
      def rename_enum(name, new_name = nil, **options)
        new_name ||= options.fetch(:to) do
          raise ArgumentError, "rename_enum requires two from/to name positional arguments."
        end

        exec_query("ALTER TYPE #{quote_table_name(name)} RENAME TO #{quote_table_name(new_name)}").tap { reload_type_map }
      end