Remove orphaned data

This commit is contained in:
Michael Vogel 2016-10-19 21:06:37 +00:00
commit 493d7bc698
3 changed files with 43 additions and 5 deletions

View file

@ -125,6 +125,8 @@ function cron_run(&$argv, &$argc){
set_config('system','last_expire_day',$d2);
proc_run(PRIORITY_LOW,'include/expire.php');
proc_run(PRIORITY_LOW,'include/dbclean.php');
}
// Clear cache entries
@ -355,10 +357,10 @@ function cron_clear_cache(&$a) {
}
// Delete the cached OEmbed entries that are older than one year
q("DELETE FROM `oembed` WHERE `created` < NOW() - INTERVAL 1 YEAR");
q("DELETE FROM `oembed` WHERE `created` < NOW() - INTERVAL 3 MONTH");
// Delete the cached "parse_url" entries that are older than one year
q("DELETE FROM `parsed_url` WHERE `created` < NOW() - INTERVAL 1 YEAR");
q("DELETE FROM `parsed_url` WHERE `created` < NOW() - INTERVAL 3 MONTH");
// Maximum table size in megabyte
$max_tablesize = intval(get_config('system','optimize_max_tablesize')) * 1000000;

38
include/dbclean.php Normal file
View file

@ -0,0 +1,38 @@
<?php
require_once("boot.php");
global $a, $db;
if(is_null($a))
$a = new App;
if(is_null($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);
}
load_config('config');
load_config('system');
update_shadow_copy();
killme();
function remove_orphans() {
logger("Deleting orphaned data from thread table");
q("DELETE FROM `thread` WHERE NOT EXISTS (SELECT `id` FROM `item` WHERE `item`.`parent` = `thread`.`iid`)");
logger("Deleting orphaned data from notify table");
q("DELETE FROM `notify` WHERE NOT EXISTS (SELECT `id` FROM `item` WHERE `item`.`id` = `notify`.`iid`)");
logger("Deleting orphaned data from sign table");
q("DELETE FROM `sign` WHERE NOT EXISTS (SELECT `id` FROM `item` WHERE `item`.`id` = `sign`.`iid`)");
logger("Deleting orphaned data from term table");
q("DELETE FROM `term` WHERE NOT EXISTS (SELECT `id` FROM `item` WHERE `item`.`id` = `term`.`oid`)");
logger("Done deleting orphaned data from tables");
}
?>