113 lines
3.1 KiB
PHP
113 lines
3.1 KiB
PHP
<?php
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/**
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* Optional upgrade script to populate the fa_sha1 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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/**
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* Maintenance script to populate the fa_sha1 field.
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*
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* @ingroup Maintenance
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* @since 1.21
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*/
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class PopulateFilearchiveSha1 extends LoggedUpdateMaintenance {
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public function __construct() {
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parent::__construct();
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$this->addDescription( 'Populate the fa_sha1 field from fa_storage_key' );
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}
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protected function getUpdateKey() {
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return 'populate fa_sha1';
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}
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protected function updateSkippedMessage() {
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return 'fa_sha1 column of filearchive table already populated.';
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}
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public function doDBUpdates() {
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$startTime = microtime( true );
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$dbw = $this->getDB( DB_PRIMARY );
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$table = 'filearchive';
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$conds = [ 'fa_sha1' => '', 'fa_storage_key IS NOT NULL' ];
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if ( !$dbw->fieldExists( $table, 'fa_sha1', __METHOD__ ) ) {
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$this->output( "fa_sha1 column does not exist\n\n", true );
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return false;
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}
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$this->output( "Populating fa_sha1 field from fa_storage_key\n" );
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$endId = $dbw->selectField( $table, 'MAX(fa_id)', '', __METHOD__ );
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$batchSize = $this->getBatchSize();
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$done = 0;
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$lbFactory = MediaWikiServices::getInstance()->getDBLoadBalancerFactory();
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do {
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$res = $dbw->select(
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$table,
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[ 'fa_id', 'fa_storage_key' ],
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$conds,
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__METHOD__,
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[ 'LIMIT' => $batchSize ]
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);
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$i = 0;
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foreach ( $res as $row ) {
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if ( $row->fa_storage_key == '' ) {
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// Revision was missing pre-deletion
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continue;
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}
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$sha1 = LocalRepo::getHashFromKey( $row->fa_storage_key );
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$dbw->update( $table,
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[ 'fa_sha1' => $sha1 ],
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[ 'fa_id' => $row->fa_id ],
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__METHOD__
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);
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$lastId = $row->fa_id;
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$i++;
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}
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$done += $i;
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if ( $i !== $batchSize ) {
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break;
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}
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// print status and let replica DBs catch up
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$this->output( sprintf(
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"id %d done (up to %d), %5.3f%% \r", $lastId, $endId, $lastId / $endId * 100 ) );
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$lbFactory->waitForReplication();
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} while ( true );
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$processingTime = microtime( true ) - $startTime;
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$this->output( sprintf( "\nDone %d files in %.1f seconds\n", $done, $processingTime ) );
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// we only updated *some* files, don't log
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return true;
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}
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}
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$maintClass = PopulateFilearchiveSha1::class;
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require_once RUN_MAINTENANCE_IF_MAIN;
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