152 lines
4 KiB
PHP
152 lines
4 KiB
PHP
<?php
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/**
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* Populate the category table.
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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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* @author Simetrical
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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 category table.
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*
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* @ingroup Maintenance
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*/
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class PopulateCategory extends Maintenance {
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private const REPORTING_INTERVAL = 1000;
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public function __construct() {
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parent::__construct();
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$this->addDescription(
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<<<TEXT
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This script will populate the category table, added in MediaWiki 1.13. It will
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print out progress indicators every 1000 categories it adds to the table. The
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script is perfectly safe to run on large, live wikis, and running it multiple
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times is harmless. You may want to use the throttling options if it's causing
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too much load; they will not affect correctness.
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If the script is stopped and later resumed, you can use the --begin option with
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the last printed progress indicator to pick up where you left off. This is
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safe, because any newly-added categories before this cutoff will have been
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added after the software update and so will be populated anyway.
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When the script has finished, it will make a note of this in the database, and
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will not run again without the --force option.
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TEXT
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);
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$this->addOption(
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'begin',
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'Only do categories whose names are alphabetically after the provided name',
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false,
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true
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);
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$this->addOption(
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'throttle',
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'Wait this many milliseconds after each category. Default: 0',
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false,
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true
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);
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$this->addOption( 'force', 'Run regardless of whether the database says it\'s been run already' );
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}
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public function execute() {
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$begin = $this->getOption( 'begin', '' );
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$throttle = $this->getOption( 'throttle', 0 );
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$force = $this->hasOption( 'force' );
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$dbw = $this->getDB( DB_MASTER );
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if ( !$force ) {
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$row = $dbw->selectRow(
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'updatelog',
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'1',
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[ 'ul_key' => 'populate category' ],
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__METHOD__
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);
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if ( $row ) {
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$this->output( "Category table already populated. Use php " .
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"maintenance/populateCategory.php\n--force from the command line " .
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"to override.\n" );
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return true;
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}
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}
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$throttle = intval( $throttle );
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if ( $begin !== '' ) {
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$where = [ 'cl_to > ' . $dbw->addQuotes( $begin ) ];
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} else {
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$where = [ '1 = 1' ];
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}
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$i = 0;
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$lbFactory = MediaWikiServices::getInstance()->getDBLoadBalancerFactory();
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while ( true ) {
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# Find which category to update
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$row = $dbw->selectRow(
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'categorylinks',
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'cl_to',
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$where,
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__METHOD__,
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[
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'ORDER BY' => 'cl_to'
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]
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);
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if ( !$row ) {
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# Done, hopefully.
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break;
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}
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$name = $row->cl_to;
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$where = 'cl_to > ' . $dbw->addQuotes( $name );
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# Use the row to update the category count
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$cat = Category::newFromName( $name );
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if ( !is_object( $cat ) ) {
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$this->output( "The category named $name is not valid?!\n" );
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} else {
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$cat->refreshCounts();
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}
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++$i;
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if ( !( $i % self::REPORTING_INTERVAL ) ) {
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$this->output( "$name\n" );
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$lbFactory->waitForReplication();
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}
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usleep( $throttle * 1000 );
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}
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$dbw->insert(
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'updatelog',
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[ 'ul_key' => 'populate category' ],
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__METHOD__,
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[ 'IGNORE' ]
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);
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return true;
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}
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}
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$maintClass = PopulateCategory::class;
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require_once RUN_MAINTENANCE_IF_MAIN;
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