110 lines
3.2 KiB
PHP
110 lines
3.2 KiB
PHP
<?php
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/**
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* Upgrade script to populate the rc_source field
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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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use Wikimedia\Rdbms\IDatabase;
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/**
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* Maintenance script to populate the rc_source field.
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*
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* @ingroup Maintenance
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* @since 1.22
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*/
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class PopulateRecentChangesSource extends LoggedUpdateMaintenance {
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public function __construct() {
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parent::__construct();
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$this->addDescription(
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'Populates rc_source field of the recentchanges table with the data in rc_type.' );
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$this->setBatchSize( 100 );
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}
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protected function doDBUpdates() {
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$dbw = $this->getDB( DB_PRIMARY );
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$batchSize = $this->getBatchSize();
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if ( !$dbw->fieldExists( 'recentchanges', 'rc_source', __METHOD__ ) ) {
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$this->error( 'rc_source field in recentchanges table does not exist.' );
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}
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$start = $dbw->selectField( 'recentchanges', 'MIN(rc_id)', '', __METHOD__ );
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if ( !$start ) {
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$this->output( "Nothing to do.\n" );
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return true;
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}
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$end = $dbw->selectField( 'recentchanges', 'MAX(rc_id)', '', __METHOD__ );
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$end += $batchSize - 1;
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$blockStart = $start;
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$blockEnd = $start + $batchSize - 1;
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$updatedValues = $this->buildUpdateCondition( $dbw );
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while ( $blockEnd <= $end ) {
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$dbw->update(
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'recentchanges',
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[ $updatedValues ],
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[
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"rc_source = ''",
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"rc_id BETWEEN " . (int)$blockStart . " AND " . (int)$blockEnd
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],
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__METHOD__
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);
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$this->output( "." );
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MediaWikiServices::getInstance()->getDBLoadBalancerFactory()->waitForReplication();
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$blockStart += $batchSize;
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$blockEnd += $batchSize;
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}
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$this->output( "\nDone.\n" );
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}
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protected function getUpdateKey() {
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return __CLASS__;
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}
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protected function buildUpdateCondition( IDatabase $dbw ) {
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$rcNew = $dbw->addQuotes( RC_NEW );
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$rcSrcNew = $dbw->addQuotes( RecentChange::SRC_NEW );
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$rcEdit = $dbw->addQuotes( RC_EDIT );
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$rcSrcEdit = $dbw->addQuotes( RecentChange::SRC_EDIT );
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$rcLog = $dbw->addQuotes( RC_LOG );
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$rcSrcLog = $dbw->addQuotes( RecentChange::SRC_LOG );
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$rcExternal = $dbw->addQuotes( RC_EXTERNAL );
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$rcSrcExternal = $dbw->addQuotes( RecentChange::SRC_EXTERNAL );
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return "rc_source = CASE
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WHEN rc_type = $rcNew THEN $rcSrcNew
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WHEN rc_type = $rcEdit THEN $rcSrcEdit
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WHEN rc_type = $rcLog THEN $rcSrcLog
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WHEN rc_type = $rcExternal THEN $rcSrcExternal
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ELSE ''
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END";
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}
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}
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$maintClass = PopulateRecentChangesSource::class;
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require_once RUN_MAINTENANCE_IF_MAIN;
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