* @file include/dbclean.php
* @brief The script is called from time to time to clean the database entries and remove orphaned data.
*/
-require_once("boot.php");
-function dbclean_run(&$argv, &$argc) {
- global $a, $db;
-
- if (is_null($a))
- $a = new App;
+use \Friendica\Core\Config;
- if (is_null($db)) {
- @include(".htconfig.php");
- require_once("include/dba.php");
- $db = new dba($db_host, $db_user, $db_pass, $db_data);
- unset($db_host, $db_user, $db_pass, $db_data);
+function dbclean_run(&$argv, &$argc) {
+ if (!Config::get('system', 'dbclean', false)) {
+ return;
}
- load_config('config');
- load_config('system');
-
if ($argc == 2) {
$stage = intval($argv[1]);
} else {
$stage = 0;
}
- remove_orphans($stage);
+
+ 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);
+ }
}
/**
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`)", true)) {
- logger("found thread orphans: ".$db->num_rows());
+ if ($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 == 2) OR ($stage == 0)) {
+ if (($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`)", true)) {
- logger("found notify orphans: ".$db->num_rows());
+ if ($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 == 3) OR ($stage == 0)) {
+ if (($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`)", true)) {
- logger("found sign orphans: ".$db->num_rows());
+ if ($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 == 4) OR ($stage == 0)) {
+ if (($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`)", true)) {
- logger("found term orphans: ".$db->num_rows());
+ if ($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"]));
}
}
$db->qclose();
+ logger("Done deleting orphaned data from term table");
}
- /// @todo Based on the following query we should remove some more data
- // SELECT `id`, `received`, `created`, `guid` FROM `item` WHERE `uid` = 0 AND NOT EXISTS (SELECT `guid` FROM `item` AS `i` WHERE `item`.`guid` = `i`.`guid` AND `i`.`uid` != 0) LIMIT 1;
-
- logger("Done deleting orphaned data from tables");
-}
+ // Call it again if not all entries were purged
+ if (($stage != 0) AND ($count > 0)) {
+ proc_run(PRIORITY_MEDIUM, 'include/dbclean.php');
+ }
-if (array_search(__file__,get_included_files())===0){
- dbclean_run($_SERVER["argv"],$_SERVER["argc"]);
- killme();
}
?>