CREATE TABLE `permission_index_bkp` (
  `id` int(10) unsigned NOT NULL AUTO_INCREMENT,
  `b_app` varchar(32) COLLATE utf8mb4_unicode_ci NOT NULL DEFAULT '',
  `b_perm_type` varchar(32) COLLATE utf8mb4_unicode_ci NOT NULL DEFAULT '',
  `b_perm_type_id` int(10) unsigned NOT NULL DEFAULT 0,
  `b_perm_3` text COLLATE utf8mb4_unicode_ci DEFAULT NULL,
  PRIMARY KEY (`id`),
  KEY `perm_index` (`b_perm_type`,`b_perm_type_id`)
) ENGINE=InnoDB AUTO_INCREMENT=15 DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci