`sign`.`signed_text`, `sign`.`signature`, `sign`.`signer`
FROM `item` LEFT JOIN `contact` ON `contact`.`id` = `item`.`contact-id`
LEFT JOIN `sign` ON `sign`.`iid` = `item`.`id`
`sign`.`signed_text`, `sign`.`signature`, `sign`.`signer`
FROM `item` LEFT JOIN `contact` ON `contact`.`id` = `item`.`contact-id`
LEFT JOIN `sign` ON `sign`.`iid` = `item`.`id`