2 // php deleteImageMemcached.php --until "2005-09-05 00:00:00" --sleep 0 --report 10
8 $optionsWithArgs = array( 'until', 'sleep', 'report' );
10 require_once 'commandLine.inc';
13 * @ingroup Maintenance
15 class DeleteImageCache
{
16 var $until, $sleep, $report;
18 function DeleteImageCache( $until, $sleep, $report ) {
19 $this->until
= $until;
20 $this->sleep
= $sleep;
21 $this->report
= $report;
26 $fname = 'DeleteImageCache::main';
28 ini_set( 'display_errors', false );
30 $dbr = wfGetDB( DB_SLAVE
);
32 $res = $dbr->select( 'image',
34 array( "img_timestamp < {$this->until}" ),
39 $total = $this->getImageCount();
41 while ( $row = $dbr->fetchObject( $res ) ) {
42 if ($i %
$this->report
== 0)
43 printf("%s: %13s done (%s)\n", wfWikiID(), "$i/$total", wfPercent( $i / $total * 100 ));
44 $md5 = md5( $row->img_name
);
45 $wgMemc->delete( wfMemcKey( 'Image', $md5 ) );
47 if ($this->sleep
!= 0)
48 usleep( $this->sleep
);
54 function getImageCount() {
55 $fname = 'DeleteImageCache::getImageCount';
57 $dbr = wfGetDB( DB_SLAVE
);
58 return $dbr->selectField( 'image', 'COUNT(*)', array(), $fname );
62 $until = preg_replace( "/[^\d]/", '', $options['until'] );
63 $sleep = (int)$options['sleep'] * 1000; // milliseconds
64 $report = (int)$options['report'];
66 $dic = new DeleteImageCache( $until, $sleep, $report );