`id` int(11) unsigned NOT NULL AUTO_INCREMENT,
  `post_id` bigint(20) unsigned NOT NULL DEFAULT '0',
  `optm_status` varchar(64) NOT NULL DEFAULT '',
  `src` varchar(1000) NOT NULL DEFAULT '',
  `srcpath_md5` varchar(128) NOT NULL DEFAULT '',
  `src_md5` varchar(128) NOT NULL DEFAULT '',
  `root_id` int(11) NOT NULL DEFAULT '0',
  `src_filesize` int(11) NOT NULL DEFAULT '0',
  `target_filesize` int(11) NOT NULL DEFAULT '0',
  `target_saved` int(11) NOT NULL DEFAULT '0',
  `webp_filesize` int(11) NOT NULL DEFAULT '0',
  `webp_saved` int(11) NOT NULL DEFAULT '0',
  `server_info` text NOT NULL,
  PRIMARY KEY (`id`),
  UNIQUE KEY `post_id_2` (`post_id`,`srcpath_md5`),
  KEY `post_id` (`post_id`),
  KEY `optm_status` (`optm_status`),
  KEY `root_id` (`root_id`),
  KEY `src_md5` (`src_md5`),
  KEY `srcpath_md5` (`srcpath_md5`)