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<?php
/**
* Corrects wrong values in the `page_latest` field in the database.
*
* Copyright © 2005 Brooke Vibber <bvibber@wikimedia.org>
* https://www.mediawiki.org/
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
* http://www.gnu.org/copyleft/gpl.html
*
* @file
* @ingroup Maintenance
*/
use MediaWiki\Maintenance\Maintenance;
use MediaWiki\Title\Title;
use Wikimedia\Rdbms\IDBAccessObject;
// @codeCoverageIgnoreStart
require_once __DIR__ . '/Maintenance.php';
// @codeCoverageIgnoreEnd
/**
* Maintenance script to correct wrong values in the `page_latest` field
* in the database.
*
* @ingroup Maintenance
*/
class AttachLatest extends Maintenance {
public function __construct() {
parent::__construct();
$this->addOption( "fix", "Actually fix the entries, will dry run otherwise" );
$this->addOption( "regenerate-all",
"Regenerate the page_latest field for all records in table page" );
$this->addDescription( 'Fix page_latest entries in the page table' );
}
public function execute() {
$this->output( "Looking for pages with page_latest set to 0...\n" );
$dbw = $this->getPrimaryDB();
$conds = [ 'page_latest' => 0 ];
if ( $this->hasOption( 'regenerate-all' ) ) {
$conds = [];
}
$result = $dbw->newSelectQueryBuilder()
->select( [ 'page_id', 'page_namespace', 'page_title' ] )
->from( 'page' )
->where( $conds )
->caller( __METHOD__ )
->fetchResultSet();
$services = $this->getServiceContainer();
$dbDomain = $services->getDBLoadBalancerFactory()->getLocalDomainID();
$wikiPageFactory = $services->getWikiPageFactory();
$revisionLookup = $services->getRevisionLookup();
$n = 0;
foreach ( $result as $row ) {
$pageId = intval( $row->page_id );
$title = Title::makeTitle( $row->page_namespace, $row->page_title );
$name = $title->getPrefixedText();
$latestTime = $dbw->newSelectQueryBuilder()
->select( 'MAX(rev_timestamp)' )
->from( 'revision' )
->where( [ 'rev_page' => $pageId ] )
->caller( __METHOD__ )
->fetchField();
if ( !$latestTime ) {
$this->output( "$dbDomain $pageId [[$name]] can't find latest rev time?!\n" );
continue;
}
$revRecord = $revisionLookup->getRevisionByTimestamp( $title, $latestTime, IDBAccessObject::READ_LATEST );
if ( $revRecord === null ) {
$this->output(
"$dbDomain $pageId [[$name]] latest time $latestTime, can't find revision id\n"
);
continue;
}
$id = $revRecord->getId();
$this->output( "$dbDomain $pageId [[$name]] latest time $latestTime, rev id $id\n" );
if ( $this->hasOption( 'fix' ) ) {
$page = $wikiPageFactory->newFromTitle( $title );
$page->updateRevisionOn( $dbw, $revRecord );
$this->waitForReplication();
}
$n++;
}
$this->output( "Done! Processed $n pages.\n" );
if ( !$this->hasOption( 'fix' ) ) {
$this->output( "This was a dry run; rerun with --fix to update page_latest.\n" );
}
}
}
// @codeCoverageIgnoreStart
$maintClass = AttachLatest::class;
require_once RUN_MAINTENANCE_IF_MAIN;
// @codeCoverageIgnoreEnd
|