include/dbclean.php

   1 <?php
   2 /**
   3  * @file include/dbclean.php
   4  * @brief The script is called from time to time to clean the database entries and remove orphaned data.
   5  */
   6
   7 use \Friendica\Core\Config;
   8 use \Friendica\Core\PConfig;
   9
  10 require_once("boot.php");
  11
  12 function dbclean_run(&$argv, &$argc) {
  13         global $a, $db;
  14
  15         if (is_null($a)) {
  16                 $a = new App;
  17         }
  18
  19         if (is_null($db)) {
  20                 @include(".htconfig.php");
  21                 require_once("include/dba.php");
  22                 $db = new dba($db_host, $db_user, $db_pass, $db_data);
  23                 unset($db_host, $db_user, $db_pass, $db_data);
  24         }
  25
  26         load_config('config');
  27         load_config('system');
  28
  29         if (!Config::get('system', 'dbclean', false)) {
  30                 return;
  31         }
  32
  33         if ($argc == 2) {
  34                 $stage = intval($argv[1]);
  35         } else {
  36                 $stage = 0;
  37         }
  38
  39         if (get_config("system", "worker") AND ($stage == 0)) {
  40                 proc_run(PRIORITY_LOW, 'include/dbclean.php', 1);
  41                 proc_run(PRIORITY_LOW, 'include/dbclean.php', 2);
  42                 proc_run(PRIORITY_LOW, 'include/dbclean.php', 3);
  43                 proc_run(PRIORITY_LOW, 'include/dbclean.php', 4);
  44                 proc_run(PRIORITY_LOW, 'include/dbclean.php', 5);
  45                 proc_run(PRIORITY_LOW, 'include/dbclean.php', 6);
  46                 proc_run(PRIORITY_LOW, 'include/dbclean.php', 7);
  47         } else {
  48                 remove_orphans($stage);
  49         }
  50 }
  51
  52 /**
  53  * @brief Remove orphaned database entries
  54  */
  55 function remove_orphans($stage = 0) {
  56         global $db;
  57
  58         $count = 0;
  59
  60         if (($stage == 1) OR ($stage == 0)) {
  61                 logger("Deleting old global item entries from item table without user copy");
  62                 if ($db->q("SELECT `id` FROM `item` WHERE `uid` = 0
  63                                 AND NOT EXISTS (SELECT `guid` FROM `item` AS `i` WHERE `item`.`guid` = `i`.`guid` AND `i`.`uid` != 0)
  64                                 AND `received` < UTC_TIMESTAMP() - INTERVAL 90 DAY LIMIT 10000", true)) {
  65                         $count = $db->num_rows();
  66                         logger("found global item orphans: ".$count);
  67                         while ($orphan = $db->qfetch()) {
  68                                 q("DELETE FROM `item` WHERE `id` = %d", intval($orphan["id"]));
  69                         }
  70                 }
  71                 $db->qclose();
  72                 logger("Done deleting old global item entries from item table without user copy");
  73         }
  74
  75         if (($stage == 2) OR ($stage == 0)) {
  76                 logger("Deleting items without parents");
  77                 if ($db->q("SELECT `id` FROM `item` WHERE NOT EXISTS (SELECT `id` FROM `item` AS `i` WHERE `item`.`parent` = `i`.`id`) LIMIT 10000", true)) {
  78                         $count = $db->num_rows();
  79                         logger("found item orphans without parents: ".$count);
  80                         while ($orphan = $db->qfetch()) {
  81                                 q("DELETE FROM `item` WHERE `id` = %d", intval($orphan["id"]));
  82                         }
  83                 }
  84                 $db->qclose();
  85                 logger("Done deleting items without parents");
  86         }
  87
  88         if (($stage == 3) OR ($stage == 0)) {
  89                 logger("Deleting orphaned data from thread table");
  90                 if ($db->q("SELECT `iid` FROM `thread` WHERE NOT EXISTS (SELECT `id` FROM `item` WHERE `item`.`parent` = `thread`.`iid`)", true)) {
  91                         $count = $db->num_rows();
  92                         logger("found thread orphans: ".$count);
  93                         while ($orphan = $db->qfetch()) {
  94                                 q("DELETE FROM `thread` WHERE `iid` = %d", intval($orphan["iid"]));
  95                         }
  96                 }
  97                 $db->qclose();
  98                 logger("Done deleting orphaned data from thread table");
  99         }
 100
 101         if (($stage == 4) OR ($stage == 0)) {
 102                 logger("Deleting orphaned data from notify table");
 103                 if ($db->q("SELECT `iid` FROM `notify` WHERE NOT EXISTS (SELECT `id` FROM `item` WHERE `item`.`id` = `notify`.`iid`)", true)) {
 104                         $count = $db->num_rows();
 105                         logger("found notify orphans: ".$count);
 106                         while ($orphan = $db->qfetch()) {
 107                                 q("DELETE FROM `notify` WHERE `iid` = %d", intval($orphan["iid"]));
 108                         }
 109                 }
 110                 $db->qclose();
 111                 logger("Done deleting orphaned data from notify table");
 112         }
 113
 114         if (($stage == 5) OR ($stage == 0)) {
 115                 logger("Deleting orphaned data from notify-threads table");
 116                 if ($db->q("SELECT `id` FROM `notify-threads` WHERE NOT EXISTS (SELECT `id` FROM `item` WHERE `item`.`parent` = `notify-threads`.`master-parent-item`)", true)) {
 117                         $count = $db->num_rows();
 118                         logger("found notify-threads orphans: ".$count);
 119                         while ($orphan = $db->qfetch()) {
 120                                 q("DELETE FROM `notify-threads` WHERE `id` = %d", intval($orphan["id"]));
 121                         }
 122                 }
 123                 $db->qclose();
 124                 logger("Done deleting orphaned data from notify-threads table");
 125         }
 126
 127
 128         if (($stage == 6) OR ($stage == 0)) {
 129                 logger("Deleting orphaned data from sign table");
 130                 if ($db->q("SELECT `iid` FROM `sign` WHERE NOT EXISTS (SELECT `id` FROM `item` WHERE `item`.`id` = `sign`.`iid`)", true)) {
 131                         $count = $db->num_rows();
 132                         logger("found sign orphans: ".$count);
 133                         while ($orphan = $db->qfetch()) {
 134                                 q("DELETE FROM `sign` WHERE `iid` = %d", intval($orphan["iid"]));
 135                         }
 136                 }
 137                 $db->qclose();
 138                 logger("Done deleting orphaned data from sign table");
 139         }
 140
 141
 142         if (($stage == 7) OR ($stage == 0)) {
 143                 logger("Deleting orphaned data from term table");
 144                 if ($db->q("SELECT `oid` FROM `term` WHERE NOT EXISTS (SELECT `id` FROM `item` WHERE `item`.`id` = `term`.`oid`)", true)) {
 145                         $count = $db->num_rows();
 146                         logger("found term orphans: ".$count);
 147                         while ($orphan = $db->qfetch()) {
 148                                 q("DELETE FROM `term` WHERE `oid` = %d", intval($orphan["oid"]));
 149                         }
 150                 }
 151                 $db->qclose();
 152                 logger("Done deleting orphaned data from term table");
 153         }
 154
 155         // Call it again if not all entries were purged
 156         if (($stage != 0) AND ($count > 0) AND get_config("system", "worker")) {
 157                 proc_run(PRIORITY_LOW, 'include/dbclean.php');
 158         }
 159
 160 }
 161
 162 if (array_search(__file__,get_included_files())===0){
 163   dbclean_run($_SERVER["argv"],$_SERVER["argc"]);
 164   killme();
 165 }
 166 ?>