<?php /** * @file include/dbclean.php * @brief The script is called from time to time to clean the database entries and remove orphaned data. */ use \Friendica\Core\Config; function dbclean_run(&$argv, &$argc) { if (!Config::get('system', 'dbclean', false)) { return; } if ($argc == 2) { $stage = intval($argv[1]); } else { $stage = 0; } if ($stage == 0) { proc_run(PRIORITY_LOW, 'include/dbclean.php', 1); proc_run(PRIORITY_LOW, 'include/dbclean.php', 2); proc_run(PRIORITY_LOW, 'include/dbclean.php', 3); proc_run(PRIORITY_LOW, 'include/dbclean.php', 4); proc_run(PRIORITY_LOW, 'include/dbclean.php', 5); proc_run(PRIORITY_LOW, 'include/dbclean.php', 6); proc_run(PRIORITY_LOW, 'include/dbclean.php', 7); } else { remove_orphans($stage); } } /** * @brief Remove orphaned database entries */ function remove_orphans($stage = 0) { global $db; $count = 0; // We split the deletion in many small tasks $limit = 1000; if (($stage == 1) OR ($stage == 0)) { logger("Deleting old global item entries from item table without user copy"); if ($db->q("SELECT `id` FROM `item` WHERE `uid` = 0 AND NOT EXISTS (SELECT `guid` FROM `item` AS `i` WHERE `item`.`guid` = `i`.`guid` AND `i`.`uid` != 0) AND `received` < UTC_TIMESTAMP() - INTERVAL 90 DAY LIMIT ".intval($limit), true)) { $count = $db->num_rows(); logger("found global item orphans: ".$count); while ($orphan = $db->qfetch()) { q("DELETE FROM `item` WHERE `id` = %d", intval($orphan["id"])); } } $db->qclose(); logger("Done deleting old global item entries from item table without user copy"); } if (($stage == 2) OR ($stage == 0)) { logger("Deleting items without parents"); if ($db->q("SELECT `id` FROM `item` WHERE NOT EXISTS (SELECT `id` FROM `item` AS `i` WHERE `item`.`parent` = `i`.`id`) LIMIT ".intval($limit), true)) { $count = $db->num_rows(); logger("found item orphans without parents: ".$count); while ($orphan = $db->qfetch()) { q("DELETE FROM `item` WHERE `id` = %d", intval($orphan["id"])); } } $db->qclose(); logger("Done deleting items without parents"); } if (($stage == 3) OR ($stage == 0)) { logger("Deleting orphaned data from thread table"); if ($db->q("SELECT `iid` FROM `thread` WHERE NOT EXISTS (SELECT `id` FROM `item` WHERE `item`.`parent` = `thread`.`iid`) LIMIT ".intval($limit), true)) { $count = $db->num_rows(); logger("found thread orphans: ".$count); while ($orphan = $db->qfetch()) { q("DELETE FROM `thread` WHERE `iid` = %d", intval($orphan["iid"])); } } $db->qclose(); logger("Done deleting orphaned data from thread table"); } if (($stage == 4) OR ($stage == 0)) { logger("Deleting orphaned data from notify table"); if ($db->q("SELECT `iid` FROM `notify` WHERE NOT EXISTS (SELECT `id` FROM `item` WHERE `item`.`id` = `notify`.`iid`) LIMIT ".intval($limit), true)) { $count = $db->num_rows(); logger("found notify orphans: ".$count); while ($orphan = $db->qfetch()) { q("DELETE FROM `notify` WHERE `iid` = %d", intval($orphan["iid"])); } } $db->qclose(); logger("Done deleting orphaned data from notify table"); } if (($stage == 5) OR ($stage == 0)) { logger("Deleting orphaned data from notify-threads table"); if ($db->q("SELECT `id` FROM `notify-threads` WHERE NOT EXISTS (SELECT `id` FROM `item` WHERE `item`.`parent` = `notify-threads`.`master-parent-item`) LIMIT ".intval($limit), true)) { $count = $db->num_rows(); logger("found notify-threads orphans: ".$count); while ($orphan = $db->qfetch()) { q("DELETE FROM `notify-threads` WHERE `id` = %d", intval($orphan["id"])); } } $db->qclose(); logger("Done deleting orphaned data from notify-threads table"); } if (($stage == 6) OR ($stage == 0)) { logger("Deleting orphaned data from sign table"); if ($db->q("SELECT `iid` FROM `sign` WHERE NOT EXISTS (SELECT `id` FROM `item` WHERE `item`.`id` = `sign`.`iid`) LIMIT ".intval($limit), true)) { $count = $db->num_rows(); logger("found sign orphans: ".$count); while ($orphan = $db->qfetch()) { q("DELETE FROM `sign` WHERE `iid` = %d", intval($orphan["iid"])); } } $db->qclose(); logger("Done deleting orphaned data from sign table"); } if (($stage == 7) OR ($stage == 0)) { logger("Deleting orphaned data from term table"); if ($db->q("SELECT `oid` FROM `term` WHERE NOT EXISTS (SELECT `id` FROM `item` WHERE `item`.`id` = `term`.`oid`) LIMIT ".intval($limit), true)) { $count = $db->num_rows(); logger("found term orphans: ".$count); while ($orphan = $db->qfetch()) { q("DELETE FROM `term` WHERE `oid` = %d", intval($orphan["oid"])); } } $db->qclose(); logger("Done deleting orphaned data from term table"); } // Call it again if not all entries were purged if (($stage != 0) AND ($count > 0)) { proc_run(PRIORITY_MEDIUM, 'include/dbclean.php'); } } ?>