-ALTER TABLE `identities` ADD INDEX `user_identities_index` (`user_id`, `del`);
-ALTER TABLE `identities` ADD `changed` datetime NOT NULL DEFAULT '1000-01-01 00:00:00' AFTER `user_id`;
+-- ALTER TABLE `identities` ADD INDEX `user_identities_index` (`user_id`, `del`);
+-- ALTER TABLE `identities` ADD `changed` datetime NOT NULL DEFAULT '1000-01-01 00:00:00' AFTER `user_id`;