100 lines
3.1 KiB
PHP
100 lines
3.1 KiB
PHP
<?php
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/**
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* Optional upgrade script to populate *_from_namespace fields
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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* http://www.gnu.org/copyleft/gpl.html
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*
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* @file
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* @ingroup Maintenance
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*/
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require_once __DIR__ . '/Maintenance.php';
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use MediaWiki\MediaWikiServices;
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/**
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* Maintenance script to populate *_from_namespace fields
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*
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* @ingroup Maintenance
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*/
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class PopulateBacklinkNamespace extends LoggedUpdateMaintenance {
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public function __construct() {
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parent::__construct();
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$this->addDescription( 'Populate the *_from_namespace fields' );
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$this->addOption( 'lastUpdatedId', "Highest page_id with updated links", false, true );
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}
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protected function getUpdateKey() {
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return 'populate *_from_namespace';
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}
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protected function updateSkippedMessage() {
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return '*_from_namespace column of backlink tables already populated.';
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}
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public function doDBUpdates() {
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$db = $this->getDB( DB_PRIMARY );
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$this->output( "Updating *_from_namespace fields in links tables.\n" );
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$start = $this->getOption( 'lastUpdatedId' );
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if ( !$start ) {
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$start = $db->selectField( 'page', 'MIN(page_id)', '', __METHOD__ );
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}
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if ( !$start ) {
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$this->output( "Nothing to do." );
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return false;
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}
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$end = $db->selectField( 'page', 'MAX(page_id)', '', __METHOD__ );
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$batchSize = $this->getBatchSize();
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# Do remaining chunk
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$end += $batchSize - 1;
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$blockStart = $start;
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$blockEnd = $start + $batchSize - 1;
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$lbFactory = MediaWikiServices::getInstance()->getDBLoadBalancerFactory();
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while ( $blockEnd <= $end ) {
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$this->output( "...doing page_id from $blockStart to $blockEnd\n" );
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$cond = "page_id BETWEEN " . (int)$blockStart . " AND " . (int)$blockEnd;
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$res = $db->select( 'page', [ 'page_id', 'page_namespace' ], $cond, __METHOD__ );
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foreach ( $res as $row ) {
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$db->update( 'pagelinks',
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[ 'pl_from_namespace' => $row->page_namespace ],
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[ 'pl_from' => $row->page_id ],
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__METHOD__
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);
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$db->update( 'templatelinks',
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[ 'tl_from_namespace' => $row->page_namespace ],
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[ 'tl_from' => $row->page_id ],
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__METHOD__
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);
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$db->update( 'imagelinks',
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[ 'il_from_namespace' => $row->page_namespace ],
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[ 'il_from' => $row->page_id ],
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__METHOD__
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);
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}
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$blockStart += $batchSize - 1;
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$blockEnd += $batchSize - 1;
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$lbFactory->waitForReplication();
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}
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return true;
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}
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}
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$maintClass = PopulateBacklinkNamespace::class;
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require_once RUN_MAINTENANCE_IF_MAIN;
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