+/**
+ * @brief Do some repairs in database entries
+ *
+ */
+function cron_repair_database() {
+
+ // Set the parent if it wasn't set. (Shouldn't happen - but does sometimes)
+ // This call is very "cheap" so we can do it at any time without a problem
+ q("UPDATE `item` INNER JOIN `item` AS `parent` ON `parent`.`uri` = `item`.`parent-uri` AND `parent`.`uid` = `item`.`uid` SET `item`.`parent` = `parent`.`id` WHERE `item`.`parent` = 0");
+
+ /// @todo
+ /// - remove thread entries without item
+ /// - remove sign entries without item
+ /// - remove children when parent got lost
+ /// - set contact-id in item when not present
+}
+