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|
<?php
use MediaWiki\MediaWikiServices;
/**
* Cache class that maps revision id to RevisionStore object
*/
class EchoRevisionLocalCache extends EchoLocalCache {
/**
* @var EchoRevisionLocalCache
*/
private static $instance;
/**
* @return EchoRevisionLocalCache
*/
public static function create() {
if ( !self::$instance ) {
self::$instance = new EchoRevisionLocalCache();
}
return self::$instance;
}
/**
* @inheritDoc
*/
protected function resolve( array $lookups ) {
$store = MediaWikiServices::getInstance()->getRevisionStore();
$dbr = wfGetDB( DB_REPLICA );
$revQuery = $store->getQueryInfo( [ 'page', 'user' ] );
$res = $dbr->select(
$revQuery['tables'],
$revQuery['fields'],
[ 'rev_id' => $lookups ],
__METHOD__,
[],
$revQuery['joins']
);
foreach ( $res as $row ) {
yield $row->rev_id => $store->newRevisionFromRow( $row );
}
}
}
|
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