exec(" ALTER TABLE user DROP COLUMN IF EXISTS `t`; ALTER TABLE user ADD COLUMN IF NOT EXISTS `is_inactive` tinyint(1) NOT NULL DEFAULT 0 COMMENT '是否处于闲置状态'; ALTER TABLE user ADD COLUMN IF NOT EXISTS `last_use_time` int(11) unsigned NOT NULL DEFAULT 0 COMMENT '最后使用时间'; ALTER TABLE user ADD COLUMN IF NOT EXISTS `last_login_time` int(11) unsigned DEFAULT 0 COMMENT '最后登录时间'; ALTER TABLE user ADD KEY IF NOT EXISTS `is_inactive` (`is_inactive`); "); return 2023063000; } public function down(): int { DB::getPdo()->exec(" ALTER TABLE user ADD COLUMN IF NOT EXISTS `t` bigint(20) unsigned NOT NULL DEFAULT 0 COMMENT '最后使用时间'; ALTER TABLE user DROP COLUMN IF EXISTS `is_inactive`; ALTER TABLE user DROP COLUMN IF EXISTS `last_use_time`; ALTER TABLE user DROP COLUMN IF EXISTS `last_login_time`; ALTER TABLE user DROP KEY IF EXISTS `is_inactive`; "); return 2023061800; } };