`id` bigint(20) NOT NULL AUTO_INCREMENT, `url_id` bigint(20) NOT NULL, `vary` varchar(32) COLLATE utf8mb4_unicode_ci NOT NULL DEFAULT '' COMMENT 'md5 of final vary', `filename` varchar(32) COLLATE utf8mb4_unicode_ci NOT NULL DEFAULT '' COMMENT 'md5 of file content', `type` tinyint(4) NOT NULL COMMENT 'css=1,js=2,ccss=3,ucss=4', `mobile` tinyint(4) NOT NULL COMMENT 'mobile=1', `webp` tinyint(4) NOT NULL COMMENT 'webp=1', `expired` int(11) NOT NULL DEFAULT 0, PRIMARY KEY (`id`), KEY `filename` (`filename`), KEY `type` (`type`), KEY `url_id_2` (`url_id`,`vary`,`type`), KEY `filename_2` (`filename`,`expired`), KEY `url_id` (`url_id`,`expired`)