"unseen" => ["item", "unseen"],
"gravity" => ["item", "gravity"],
"contact-id" => ["item", "contact-id"],
"unseen" => ["item", "unseen"],
"gravity" => ["item", "gravity"],
"contact-id" => ["item", "contact-id"],
LEFT JOIN `user-item` ON `user-item`.`iid` = `item`.`id` AND `user-item`.`uid` = `thread`.`uid`
LEFT JOIN `user-contact` AS `author` ON `author`.`uid` = `thread`.`uid` AND `author`.`cid` = `thread`.`author-id`
LEFT JOIN `user-contact` AS `owner` ON `owner`.`uid` = `thread`.`uid` AND `owner`.`cid` = `thread`.`owner-id`
LEFT JOIN `user-item` ON `user-item`.`iid` = `item`.`id` AND `user-item`.`uid` = `thread`.`uid`
LEFT JOIN `user-contact` AS `author` ON `author`.`uid` = `thread`.`uid` AND `author`.`cid` = `thread`.`author-id`
LEFT JOIN `user-contact` AS `owner` ON `owner`.`uid` = `thread`.`uid` AND `owner`.`cid` = `thread`.`owner-id`
AND (`user-item`.`hidden` IS NULL OR NOT `user-item`.`hidden`)
AND (`author`.`blocked` IS NULL OR NOT `author`.`blocked`)
AND (`owner`.`blocked` IS NULL OR NOT `owner`.`blocked`)"
AND (`user-item`.`hidden` IS NULL OR NOT `user-item`.`hidden`)
AND (`author`.`blocked` IS NULL OR NOT `author`.`blocked`)
AND (`owner`.`blocked` IS NULL OR NOT `owner`.`blocked`)"
"mention" => ["thread", "mention"],
"network" => ["thread", "network"],
"contact-id" => ["thread", "contact-id"],
"mention" => ["thread", "mention"],
"network" => ["thread", "network"],
"contact-id" => ["thread", "contact-id"],
STRAIGHT_JOIN `item` ON `item`.`id` = `thread`.`iid`
LEFT JOIN `user-item` ON `user-item`.`iid` = `item`.`id` AND `user-item`.`uid` = `thread`.`uid`
LEFT JOIN `user-contact` AS `author` ON `author`.`uid` = `thread`.`uid` AND `author`.`cid` = `thread`.`author-id`
LEFT JOIN `user-contact` AS `owner` ON `owner`.`uid` = `thread`.`uid` AND `owner`.`cid` = `thread`.`owner-id`
STRAIGHT_JOIN `item` ON `item`.`id` = `thread`.`iid`
LEFT JOIN `user-item` ON `user-item`.`iid` = `item`.`id` AND `user-item`.`uid` = `thread`.`uid`
LEFT JOIN `user-contact` AS `author` ON `author`.`uid` = `thread`.`uid` AND `author`.`cid` = `thread`.`author-id`
LEFT JOIN `user-contact` AS `owner` ON `owner`.`uid` = `thread`.`uid` AND `owner`.`cid` = `thread`.`owner-id`
AND (`user-item`.`hidden` IS NULL OR NOT `user-item`.`hidden`)
AND (`author`.`blocked` IS NULL OR NOT `author`.`blocked`)
AND (`owner`.`blocked` IS NULL OR NOT `owner`.`blocked`)"
AND (`user-item`.`hidden` IS NULL OR NOT `user-item`.`hidden`)
AND (`author`.`blocked` IS NULL OR NOT `author`.`blocked`)
AND (`owner`.`blocked` IS NULL OR NOT `owner`.`blocked`)"
"term-date" => ["contact", "term-date"],
"last-item" => ["contact", "last-item"],
"priority" => ["contact", "priority"],
"term-date" => ["contact", "term-date"],
"last-item" => ["contact", "last-item"],
"priority" => ["contact", "priority"],
"block_reason" => ["contact", "block_reason"],
"readonly" => ["contact", "readonly"],
"writable" => ["contact", "writable"],
"forum" => ["contact", "forum"],
"prv" => ["contact", "prv"],
"contact-type" => ["contact", "contact-type"],
"block_reason" => ["contact", "block_reason"],
"readonly" => ["contact", "readonly"],
"writable" => ["contact", "writable"],
"forum" => ["contact", "forum"],
"prv" => ["contact", "prv"],
"contact-type" => ["contact", "contact-type"],
"hidden" => ["contact", "hidden"],
"archive" => ["contact", "archive"],
"pending" => ["contact", "pending"],
"hidden" => ["contact", "hidden"],
"archive" => ["contact", "archive"],
"pending" => ["contact", "pending"],