%PDF-
%PDF-
Mini Shell
Mini Shell
<?php
/**
* Populate the page_content_model and {rev,ar}_content_{model,format} fields.
*
* 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
*/
require_once __DIR__ . '/Maintenance.php';
use Wikimedia\Rdbms\IDatabase;
use MediaWiki\MediaWikiServices;
/**
* Usage:
* populateContentModel.php --ns=1 --table=page
*/
class PopulateContentModel extends Maintenance {
protected $wikiId;
/** @var WANObjectCache */
protected $wanCache;
public function __construct() {
parent::__construct();
$this->addDescription( 'Populate the various content_* fields' );
$this->addOption( 'ns', 'Namespace to run in, or "all" for all namespaces', true, true );
$this->addOption( 'table', 'Table to run in', true, true );
$this->setBatchSize( 100 );
}
public function execute() {
$dbw = $this->getDB( DB_MASTER );
$this->wikiId = $dbw->getDomainID();
$this->wanCache = MediaWikiServices::getInstance()->getMainWANObjectCache();
$ns = $this->getOption( 'ns' );
if ( !ctype_digit( $ns ) && $ns !== 'all' ) {
$this->fatalError( 'Invalid namespace' );
}
$ns = $ns === 'all' ? 'all' : (int)$ns;
$table = $this->getOption( 'table' );
switch ( $table ) {
case 'revision':
case 'archive':
$this->populateRevisionOrArchive( $dbw, $table, $ns );
break;
case 'page':
$this->populatePage( $dbw, $ns );
break;
default:
$this->fatalError( "Invalid table name: $table" );
}
}
protected function clearCache( $page_id, $rev_id ) {
$contentModelKey = $this->wanCache->makeKey( 'page-content-model', $rev_id );
$revisionKey =
$this->wanCache->makeGlobalKey( 'revision', $this->wikiId, $page_id, $rev_id );
// WikiPage content model cache
$this->wanCache->delete( $contentModelKey );
// Revision object cache, which contains a content model
$this->wanCache->delete( $revisionKey );
}
private function updatePageRows( IDatabase $dbw, $pageIds, $model ) {
$count = count( $pageIds );
$this->output( "Setting $count rows to $model..." );
$dbw->update(
'page',
[ 'page_content_model' => $model ],
[ 'page_id' => $pageIds ],
__METHOD__
);
wfWaitForSlaves();
$this->output( "done.\n" );
}
protected function populatePage( IDatabase $dbw, $ns ) {
$toSave = [];
$lastId = 0;
$nsCondition = $ns === 'all' ? [] : [ 'page_namespace' => $ns ];
$batchSize = $this->getBatchSize();
do {
$rows = $dbw->select(
'page',
[ 'page_namespace', 'page_title', 'page_id' ],
[
'page_content_model' => null,
'page_id > ' . $dbw->addQuotes( $lastId ),
] + $nsCondition,
__METHOD__,
[ 'LIMIT' => $batchSize, 'ORDER BY' => 'page_id ASC' ]
);
$this->output( "Fetched {$rows->numRows()} rows.\n" );
foreach ( $rows as $row ) {
$title = Title::newFromRow( $row );
$model = ContentHandler::getDefaultModelFor( $title );
$toSave[$model][] = $row->page_id;
if ( count( $toSave[$model] ) >= $batchSize ) {
$this->updatePageRows( $dbw, $toSave[$model], $model );
unset( $toSave[$model] );
}
$lastId = $row->page_id;
}
} while ( $rows->numRows() >= $batchSize );
foreach ( $toSave as $model => $pages ) {
$this->updatePageRows( $dbw, $pages, $model );
}
}
private function updateRevisionOrArchiveRows( IDatabase $dbw, $ids, $model, $table ) {
$prefix = $table === 'archive' ? 'ar' : 'rev';
$model_column = "{$prefix}_content_model";
$format_column = "{$prefix}_content_format";
$key = "{$prefix}_id";
$count = count( $ids );
$format = ContentHandler::getForModelID( $model )->getDefaultFormat();
$this->output( "Setting $count rows to $model / $format..." );
$dbw->update(
$table,
[ $model_column => $model, $format_column => $format ],
[ $key => $ids ],
__METHOD__
);
$this->output( "done.\n" );
}
protected function populateRevisionOrArchive( IDatabase $dbw, $table, $ns ) {
$prefix = $table === 'archive' ? 'ar' : 'rev';
$model_column = "{$prefix}_content_model";
$format_column = "{$prefix}_content_format";
$key = "{$prefix}_id";
if ( $table === 'archive' ) {
$selectTables = 'archive';
$fields = [ 'ar_namespace', 'ar_title' ];
$join_conds = [];
$where = $ns === 'all' ? [] : [ 'ar_namespace' => $ns ];
$page_id_column = 'ar_page_id';
$rev_id_column = 'ar_rev_id';
} else { // revision
$selectTables = [ 'revision', 'page' ];
$fields = [ 'page_title', 'page_namespace' ];
$join_conds = [ 'page' => [ 'INNER JOIN', 'rev_page=page_id' ] ];
$where = $ns === 'all' ? [] : [ 'page_namespace' => $ns ];
$page_id_column = 'rev_page';
$rev_id_column = 'rev_id';
}
$toSave = [];
$idsToClear = [];
$lastId = 0;
$batchSize = $this->getBatchSize();
do {
$rows = $dbw->select(
$selectTables,
array_merge(
$fields,
[ $model_column, $format_column, $key, $page_id_column, $rev_id_column ]
),
// @todo support populating format if model is already set
[
$model_column => null,
"$key > " . $dbw->addQuotes( $lastId ),
] + $where,
__METHOD__,
[ 'LIMIT' => $batchSize, 'ORDER BY' => "$key ASC" ],
$join_conds
);
$this->output( "Fetched {$rows->numRows()} rows.\n" );
foreach ( $rows as $row ) {
if ( $table === 'archive' ) {
$title = Title::makeTitle( $row->ar_namespace, $row->ar_title );
} else {
$title = Title::newFromRow( $row );
}
$lastId = $row->{$key};
try {
$handler = ContentHandler::getForTitle( $title );
} catch ( MWException $e ) {
$this->error( "Invalid content model for $title" );
continue;
}
$defaultModel = $handler->getModelID();
$defaultFormat = $handler->getDefaultFormat();
$dbModel = $row->{$model_column};
$dbFormat = $row->{$format_column};
$id = $row->{$key};
if ( $dbModel === null && $dbFormat === null ) {
// Set the defaults
$toSave[$defaultModel][] = $row->{$key};
$idsToClear[] = [
'page_id' => $row->{$page_id_column},
'rev_id' => $row->{$rev_id_column},
];
} else { // $dbModel === null, $dbFormat set.
if ( $dbFormat === $defaultFormat ) {
$toSave[$defaultModel][] = $row->{$key};
$idsToClear[] = [
'page_id' => $row->{$page_id_column},
'rev_id' => $row->{$rev_id_column},
];
} else { // non-default format, just update now
$this->output( "Updating model to match format for $table $id of $title... " );
$dbw->update(
$table,
[ $model_column => $defaultModel ],
[ $key => $id ],
__METHOD__
);
wfWaitForSlaves();
$this->clearCache( $row->{$page_id_column}, $row->{$rev_id_column} );
$this->output( "done.\n" );
continue;
}
}
if ( count( $toSave[$defaultModel] ) >= $batchSize ) {
$this->updateRevisionOrArchiveRows( $dbw, $toSave[$defaultModel], $defaultModel, $table );
unset( $toSave[$defaultModel] );
}
}
} while ( $rows->numRows() >= $batchSize );
foreach ( $toSave as $model => $ids ) {
$this->updateRevisionOrArchiveRows( $dbw, $ids, $model, $table );
}
foreach ( $idsToClear as $idPair ) {
$this->clearCache( $idPair['page_id'], $idPair['rev_id'] );
}
}
}
$maintClass = PopulateContentModel::class;
require_once RUN_MAINTENANCE_IF_MAIN;
Zerion Mini Shell 1.0