function NukeNS($ns_no, $delete)
{
$dbw = wfGetDB(DB_MASTER);
$dbw->begin();
$tbl_pag = $dbw->tableName('page');
$tbl_rev = $dbw->tableName('revision');
$res = $dbw->query("SELECT page_title FROM {$tbl_pag} WHERE page_namespace = {$ns_no}");
$n_deleted = 0;
while ($row = $dbw->fetchObject($res)) {
//echo "$ns_name:".$row->page_title, "\n";
$title = Title::newFromText($row->page_title, $ns_no);
$id = $title->getArticleID();
// Get corresponding revisions
$res2 = $dbw->query("SELECT rev_id FROM {$tbl_rev} WHERE rev_page = {$id}");
$revs = array();
while ($row2 = $dbw->fetchObject($res2)) {
$revs[] = $row2->rev_id;
}
$count = count($revs);
//skip anything that looks modified (i.e. multiple revs)
if ($count == 1) {
#echo $title->getPrefixedText(), "\t", $count, "\n";
echo "delete: ", $title->getPrefixedText(), "\n";
//as much as I hate to cut & paste this, it's a little different, and
//I already have the id & revs
if ($delete) {
$dbw->query("DELETE FROM {$tbl_pag} WHERE page_id = {$id}");
$dbw->commit();
// Delete revisions as appropriate
DeleteRevisions($revs);
PurgeRedundantText(true);
$n_deleted++;
}
} else {
echo "skip: ", $title->getPrefixedText(), "\n";
}
}
$dbw->commit();
if ($n_deleted > 0) {
#update statistics - better to decrement existing count, or just count
#the page table?
$pages = $dbw->selectField('site_stats', 'ss_total_pages');
$pages -= $n_deleted;
$dbw->update('site_stats', array('ss_total_pages' => $pages), array('ss_row_id' => 1), __METHOD__);
}
if (!$delete) {
echo "To update the database, run the script with the --delete option.\n";
}
}
<?php
/**
* Purge old text records from the database
*
* @package MediaWiki
* @subpackage Maintenance
* @author Rob Church <*****@*****.**>
*/
$options = array('purge', 'help');
require_once 'commandLine.inc';
require_once 'purgeOldText.inc';
echo "Purge Old Text\n\n";
if (@$options['help']) {
ShowUsage();
} else {
PurgeRedundantText(@$options['purge']);
}
function ShowUsage()
{
echo "Prunes unused text records from the database.\n\n";
echo "Usage: php purgeOldText.php [--purge]\n\n";
echo "purge : Performs the deletion\n";
echo " help : Show this usage information\n";
}
showUsage();
}
$report = isset($options['report']);
$dbw =& wfGetDB(DB_MASTER);
$dbw->immediateBegin();
extract($dbw->tableNames('page', 'revision'));
# Find all the orphaned revisions
echo "Checking for orphaned revisions...";
$sql = "SELECT rev_id FROM {$revision} LEFT JOIN {$page} ON rev_page = page_id WHERE page_namespace IS NULL";
$res = $dbw->query($sql, 'deleteOrphanedRevisions');
# Stash 'em all up for deletion (if needed)
while ($row = $dbw->fetchObject($res)) {
$revisions[] = $row->rev_id;
}
$dbw->freeResult($res);
$count = count($revisions);
echo "found {$count}.\n";
# Nothing to do?
if ($report || $count == 0) {
$dbw->immediateCommit();
exit;
}
# Delete each revision
echo "Deleting...";
deleteRevisions($revisions, $dbw);
echo "done.\n";
# Close the transaction and call the script to purge unused text records
$dbw->immediateCommit();
require_once 'purgeOldText.inc';
PurgeRedundantText(true);
