`contact`.`thumb`, `contact`.`self`, `contact`.`writable`,
`contact`.`id` AS `cid`, `contact`.`uid` AS `contact-uid`
FROM `item` LEFT JOIN `contact` ON `contact`.`id` = `item`.`contact-id`
`contact`.`thumb`, `contact`.`self`, `contact`.`writable`,
`contact`.`id` AS `cid`, `contact`.`uid` AS `contact-uid`
FROM `item` LEFT JOIN `contact` ON `contact`.`id` = `item`.`contact-id`