text: ALTER TABLE `wiki_revision`
      ADD COLUMN `readied_for_localization` datetime,
  
      ADD COLUMN `readied_for_localization_by_id` integer,
      ADD CONSTRAINT `readied_for_localization_by_id_refs_id_4298f2ad` FOREIGN KEY (`readied_for_localization_by_id`) REFERENCES `auth_user` (`id`);
  
  CREATE INDEX `wiki_revision_e4f0dcb5` ON `wiki_revision` (`readied_for_localization_by_id`);
  
  UPDATE `wiki_revision`
      SET `readied_for_localization` = `reviewed`,
          `readied_for_localization_by_id` = `reviewer_id`
      WHERE `is_ready_for_localization` = 1;
  