`link` varchar(255) NOT NULL DEFAULT '' COMMENT '',
`iid` int unsigned NOT NULL DEFAULT 0 COMMENT 'item.id',
`parent` int unsigned NOT NULL DEFAULT 0 COMMENT '',
+ `uri-id` int unsigned COMMENT 'Item-uri id of the related post',
+ `parent-uri-id` int unsigned COMMENT 'Item-uri id of the parent of the related post',
`seen` boolean NOT NULL DEFAULT '0' COMMENT '',
`verb` varchar(100) NOT NULL DEFAULT '' COMMENT '',
`otype` varchar(10) NOT NULL DEFAULT '' COMMENT '',
`id` int unsigned NOT NULL auto_increment COMMENT 'sequential ID',
`notify-id` int unsigned NOT NULL DEFAULT 0 COMMENT '',
`master-parent-item` int unsigned NOT NULL DEFAULT 0 COMMENT '',
+ `master-parent-uri-id` int unsigned COMMENT 'Item-uri id of the parent of the related post',
`parent-item` int unsigned NOT NULL DEFAULT 0 COMMENT '',
`receiver-uid` mediumint unsigned NOT NULL DEFAULT 0 COMMENT 'User id',
PRIMARY KEY(`id`)