$result2 = $dbw->query( "
SELECT MAX(rev_timestamp) as max_timestamp
FROM $revision
- WHERE rev_page=$row->page_id
- " );
+ WHERE rev_page=" . (int)( $row->page_id )
+ );
$row2 = $dbw->fetchObject( $result2 );
if ( $row2 ) {
if ( $row->rev_timestamp != $row2->max_timestamp ) {