`uid` mediumint unsigned COMMENT 'Delivering user',
`created` datetime DEFAULT '0001-01-01 00:00:00' COMMENT '',
`command` varbinary(32) COMMENT '',
`uid` mediumint unsigned COMMENT 'Delivering user',
`created` datetime DEFAULT '0001-01-01 00:00:00' COMMENT '',
`command` varbinary(32) COMMENT '',
PRIMARY KEY(`uri-id`,`inbox-id`),
INDEX `inbox-id_created` (`inbox-id`,`created`),
INDEX `uid` (`uid`),
FOREIGN KEY (`uri-id`) REFERENCES `item-uri` (`id`) ON UPDATE RESTRICT ON DELETE CASCADE,
FOREIGN KEY (`inbox-id`) REFERENCES `item-uri` (`id`) ON UPDATE RESTRICT ON DELETE CASCADE,
FOREIGN KEY (`uid`) REFERENCES `user` (`uid`) ON UPDATE RESTRICT ON DELETE CASCADE
PRIMARY KEY(`uri-id`,`inbox-id`),
INDEX `inbox-id_created` (`inbox-id`,`created`),
INDEX `uid` (`uid`),
FOREIGN KEY (`uri-id`) REFERENCES `item-uri` (`id`) ON UPDATE RESTRICT ON DELETE CASCADE,
FOREIGN KEY (`inbox-id`) REFERENCES `item-uri` (`id`) ON UPDATE RESTRICT ON DELETE CASCADE,
FOREIGN KEY (`uid`) REFERENCES `user` (`uid`) ON UPDATE RESTRICT ON DELETE CASCADE