e174a4ddfb
Caches for wikis with table prefixes will be lost on upgrade, caches for wikis without table prefixes will be preserved. Custom cache keys in extensions can be migrated at leisure. Extensions which write to core cache keys should be migrated ASAP, as I have done with Special:Makesysop.
60 lines
1.4 KiB
PHP
60 lines
1.4 KiB
PHP
<?php
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// php deleteImageMemcached.php --until "2005-09-05 00:00:00" --sleep 0 --report 10
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$optionsWithArgs = array( 'until', 'sleep', 'report' );
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require_once 'commandLine.inc';
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class DeleteImageCache {
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var $until, $sleep, $report;
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function DeleteImageCache( $until, $sleep, $report ) {
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$this->until = $until;
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$this->sleep = $sleep;
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$this->report = $report;
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}
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function main() {
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global $wgMemc;
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$fname = 'DeleteImageCache::main';
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ini_set( 'display_errors', false );
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$dbr =& wfGetDB( DB_SLAVE );
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$res = $dbr->select( 'image',
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array( 'img_name' ),
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array( "img_timestamp < {$this->until}" ),
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$fname
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);
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$i = 0;
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$total = $this->getImageCount();
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while ( $row = $dbr->fetchObject( $res ) ) {
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if ($i % $this->report == 0)
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printf("%s: %13s done (%s)\n", wfWikiID(), "$i/$total", wfPercent( $i / $total * 100 ));
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$md5 = md5( $row->img_name );
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$wgMemc->delete( wfMemcKey( 'Image', $md5 ) );
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if ($this->sleep != 0)
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usleep( $this->sleep );
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++$i;
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}
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}
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function getImageCount() {
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$fname = 'DeleteImageCache::getImageCount';
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$dbr =& wfGetDB( DB_SLAVE );
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return $dbr->selectField( 'image', 'COUNT(*)', array(), $fname );
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}
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}
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$until = preg_replace( "/[^\d]/", '', $options['until'] );
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$sleep = (int)$options['sleep'] * 1000; // milliseconds
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$report = (int)$options['report'];
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$dic = new DeleteImageCache( $until, $sleep, $report );
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$dic->main();
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?>
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