KEY `received` (`received`),
KEY `visible` (`visible`),
KEY `starred` (`starred`),
+ KEY `bookmark` (`bookmark`),
KEY `deleted` (`deleted`),
KEY `origin` (`origin`),
KEY `forum_mode` (`forum_mode`),
KEY `last-child` (`last-child`),
KEY `unseen` (`unseen`),
KEY `wall` (`wall`),
+ KEY `author-link` (`author-link`),
FULLTEXT KEY `title` (`title`),
FULLTEXT KEY `body` (`body`),
FULLTEXT KEY `tag` (`tag`),