instance method rename_enum_value

# File activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb, line 585
      def rename_enum_value(type_name, options = {})
        unless database_version >= 10_00_00 # >= 10.0
          raise ArgumentError, "Renaming enum values is only supported in PostgreSQL 10 or later"
        end

        from = options.fetch(:from) { raise ArgumentError, ":from is required" }
        to = options.fetch(:to) { raise ArgumentError, ":to is required" }

        execute("ALTER TYPE #{quote_table_name(type_name)} RENAME VALUE '#{from}' TO '#{to}'").tap {
          reload_type_map
        }
      end