return "`item`.`author-id`, `item`.`author-link`, `item`.`author-name`, `item`.`author-avatar`,
`item`.`owner-id`, `item`.`owner-link`, `item`.`owner-name`, `item`.`owner-avatar`,
`item`.`contact-id`, `item`.`uid`, `item`.`id`, `item`.`parent`,
return "`item`.`author-id`, `item`.`author-link`, `item`.`author-name`, `item`.`author-avatar`,
`item`.`owner-id`, `item`.`owner-link`, `item`.`owner-name`, `item`.`owner-avatar`,
`item`.`contact-id`, `item`.`uid`, `item`.`id`, `item`.`parent`,