94 lines
2.7 KiB
PHP
94 lines
2.7 KiB
PHP
<?php
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/**
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* @file include/dbclean.php
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* @brief The script is called from time to time to clean the database entries and remove orphaned data.
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*/
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require_once("boot.php");
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function dbclean_run(&$argv, &$argc) {
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global $a, $db;
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if (is_null($a))
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$a = new App;
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if (is_null($db)) {
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@include(".htconfig.php");
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require_once("include/dba.php");
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$db = new dba($db_host, $db_user, $db_pass, $db_data);
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unset($db_host, $db_user, $db_pass, $db_data);
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}
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load_config('config');
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load_config('system');
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if ($argc == 2) {
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$stage = intval($argv[1]);
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} else {
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$stage = 0;
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}
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remove_orphans($stage);
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}
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/**
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* @brief Remove orphaned database entries
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*/
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function remove_orphans($stage = 0) {
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global $db;
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if (($stage == 1) OR ($stage == 0)) {
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logger("Deleting orphaned data from thread table");
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if ($db->q("SELECT `iid` FROM `thread` WHERE NOT EXISTS (SELECT `id` FROM `item` WHERE `item`.`parent` = `thread`.`iid`)", true)) {
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logger("found thread orphans: ".$db->num_rows());
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while ($orphan = $db->qfetch()) {
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q("DELETE FROM `thread` WHERE `iid` = %d", intval($orphan["iid"]));
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}
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}
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$db->qclose();
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}
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if (($stage == 2) OR ($stage == 0)) {
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logger("Deleting orphaned data from notify table");
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if ($db->q("SELECT `iid` FROM `notify` WHERE NOT EXISTS (SELECT `id` FROM `item` WHERE `item`.`id` = `notify`.`iid`)", true)) {
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logger("found notify orphans: ".$db->num_rows());
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while ($orphan = $db->qfetch()) {
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q("DELETE FROM `notify` WHERE `iid` = %d", intval($orphan["iid"]));
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}
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}
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$db->qclose();
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}
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if (($stage == 3) OR ($stage == 0)) {
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logger("Deleting orphaned data from sign table");
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if ($db->q("SELECT `iid` FROM `sign` WHERE NOT EXISTS (SELECT `id` FROM `item` WHERE `item`.`id` = `sign`.`iid`)", true)) {
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logger("found sign orphans: ".$db->num_rows());
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while ($orphan = $db->qfetch()) {
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q("DELETE FROM `sign` WHERE `iid` = %d", intval($orphan["iid"]));
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}
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}
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$db->qclose();
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}
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if (($stage == 4) OR ($stage == 0)) {
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logger("Deleting orphaned data from term table");
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if ($db->q("SELECT `oid` FROM `term` WHERE NOT EXISTS (SELECT `id` FROM `item` WHERE `item`.`id` = `term`.`oid`)", true)) {
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logger("found term orphans: ".$db->num_rows());
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while ($orphan = $db->qfetch()) {
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q("DELETE FROM `term` WHERE `oid` = %d", intval($orphan["oid"]));
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}
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}
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$db->qclose();
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}
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/// @todo Based on the following query we should remove some more data
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// SELECT `id`, `received`, `created`, `guid` FROM `item` WHERE `uid` = 0 AND NOT EXISTS (SELECT `guid` FROM `item` AS `i` WHERE `item`.`guid` = `i`.`guid` AND `i`.`uid` != 0) LIMIT 1;
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logger("Done deleting orphaned data from tables");
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}
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if (array_search(__file__,get_included_files())===0){
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dbclean_run($_SERVER["argv"],$_SERVER["argc"]);
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killme();
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}
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?>
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