exec(" ALTER TABLE `msz_login_attempts` DROP COLUMN `attempt_id`, ADD INDEX `login_attempts_created_index` (`attempt_created`); "); } function migrate_down(PDO $conn): void { $conn->exec(" ALTER TABLE `msz_login_attempts` ADD COLUMN `attempt_id` INT UNSIGNED NOT NULL AUTO_INCREMENT FIRST, DROP INDEX `login_attempts_created_index`, ADD PRIMARY KEY (`attempt_id`); "); }