+ INDEX `author-id` (`author-id`),
+ INDEX `uri-id` (`uri-id`),
+ INDEX `parent-uri-id` (`parent-uri-id`),
+ INDEX `thr-parent-id` (`thr-parent-id`),
+ FOREIGN KEY (`uid`) REFERENCES `user` (`uid`) ON UPDATE RESTRICT ON DELETE CASCADE,
+ FOREIGN KEY (`author-id`) REFERENCES `contact` (`id`) ON UPDATE RESTRICT ON DELETE RESTRICT,
+ FOREIGN KEY (`uri-id`) REFERENCES `item-uri` (`id`) ON UPDATE RESTRICT ON DELETE CASCADE,
+ FOREIGN KEY (`parent-uri-id`) REFERENCES `item-uri` (`id`) ON UPDATE RESTRICT ON DELETE CASCADE,
+ FOREIGN KEY (`thr-parent-id`) REFERENCES `item-uri` (`id`) ON UPDATE RESTRICT ON DELETE CASCADE