`uri-id` int unsigned NOT NULL COMMENT 'Id of the item-uri table entry that contains the item uri',
`uid` mediumint unsigned NOT NULL COMMENT 'Owner id which owns this copy of the item',
`protocol` tinyint unsigned COMMENT 'Protocol used to deliver the item for this user',
`uri-id` int unsigned NOT NULL COMMENT 'Id of the item-uri table entry that contains the item uri',
`uid` mediumint unsigned NOT NULL COMMENT 'Owner id which owns this copy of the item',
`protocol` tinyint unsigned COMMENT 'Protocol used to deliver the item for this user',