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added cleanup job for leftover map2 and xmlsession data

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2013-08-16 14:45:14 +02:00
parent 990de8e21e
commit b05fe31546
1 changed files with 62 additions and 0 deletions
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htdocs/util2/cron/modules/orphan_cleanup.class.php Normal file
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<?php
/***************************************************************************
* For license information see doc/license.txt
*
* Unicode Reminder メモ
*
* Deletes orphan data which are left over due to software bugs or
* system failures.
***************************************************************************/
checkJob(new orphan_cleanup());
class orphan_cleanup
{
var $name = 'orphan_cleanup';
var $interval = 86400; // once per day
function run()
{
// cleanup XML session data
sql_temp_table('tmpsessiondata');
sql("
CREATE TEMPORARY TABLE &tmpsessiondata ENGINE=MEMORY
SELECT DISTINCT `xmlsession_data`.`session_id` from `xmlsession_data`
LEFT JOIN `xmlsession` ON `xmlsession`.`id`=`xmlsession_data`.`session_id`
WHERE `xmlsession`.`id` IS NULL");
$count = sql_value("
SELECT COUNT(*) FROM `xmlsession_data`
WHERE `session_id` IN (SELECT `session_id` FROM &tmpsessiondata)",
0);
if ($count)
{
sql("
DELETE FROM `xmlsession_data`
WHERE `session_id` IN (SELECT `session_id` FROM &tmpsessiondata)");
echo "orphan_cleanup: dropped " . $count . " record(s) from xmlsession_data\n";
}
sql_drop_temp_table('tmpsessiondata');
// cleanup map data
sql_temp_table('tmpsessiondata');
sql("
CREATE TEMPORARY TABLE &tmpsessiondata ENGINE=MEMORY
SELECT DISTINCT `map2_data`.`result_id` from `map2_data`
LEFT JOIN `map2_result` ON `map2_result`.`result_id`=`map2_data`.`result_id`
WHERE `map2_result`.`result_id` IS NULL");
$count = sql_value("
SELECT COUNT(*) FROM `map2_data`
WHERE `result_id` IN (SELECT `result_id` FROM &tmpsessiondata)",
0);
if ($count)
{
sql("
DELETE FROM `map2_data`
WHERE `result_id` IN (SELECT `result_id` FROM &tmpsessiondata)");
echo "orphan_cleanup: dropped " . $count . " record(s) from map2_data\n";
}
sql_drop_temp_table('tmpsessiondata');
}
}
?>