wiki.techinc.nl/maintenance/updateCollation.php

128 lines
3.8 KiB
PHP

<?php
/**
* Script will find all rows in the categorylinks table whose collation is
* out-of-date (cl_collation != $wgCategoryCollation) and repopulate cl_sortkey
* using the page title and cl_sortkey_prefix.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
* http://www.gnu.org/copyleft/gpl.html
*
* @file
* @ingroup Maintenance
* @author Aryeh Gregor (Simetrical)
*/
#$optionsWithArgs = array( 'begin', 'max-slave-lag' );
require_once( dirname( __FILE__ ) . '/Maintenance.php' );
class UpdateCollation extends Maintenance {
const BATCH_SIZE = 1000;
public function __construct() {
parent::__construct();
global $wgCategoryCollation;
$this->mDescription = <<<TEXT
This script will find all rows in the categorylinks table whose collation is
out-of-date (cl_collation != '$wgCategoryCollation') and repopulate cl_sortkey
using the page title and cl_sortkey_prefix. If everything's collation is
up-to-date, it will do nothing.
TEXT;
#$this->addOption( 'force', 'Run on all rows, even if the collation is supposed to be up-to-date.' );
}
public function execute() {
global $wgCategoryCollation, $wgContLang;
$dbw = wfGetDB( DB_MASTER );
$count = $dbw->selectField(
'categorylinks',
'COUNT(*)',
'cl_collation != ' . $dbw->addQuotes( $wgCategoryCollation ),
__METHOD__
);
if ( $count == 0 ) {
$this->output( "Collations up-to-date.\n" );
return;
}
$this->output( "Fixing collation for $count rows.\n" );
$count = 0;
do {
$res = $dbw->select(
array( 'categorylinks', 'page' ),
array( 'cl_from', 'cl_to', 'cl_sortkey_prefix', 'cl_collation',
'cl_sortkey', 'page_namespace', 'page_title'
),
array(
'cl_collation != ' . $dbw->addQuotes( $wgCategoryCollation ),
'cl_from = page_id'
),
__METHOD__,
array( 'LIMIT' => self::BATCH_SIZE )
);
$dbw->begin();
foreach ( $res as $row ) {
$title = Title::newFromRow( $row );
if ( $row->cl_collation == 0 ) {
# This is an old-style row, so the sortkey needs to be
# converted.
if ( $row->cl_sortkey == $title->getText()
|| $row->cl_sortkey == $title->getPrefixedText() ) {
$prefix = '';
} else {
# Custom sortkey, use it as a prefix
$prefix = $row->cl_sortkey;
}
} else {
$prefix = $row->cl_sortkey_prefix;
}
# cl_type will be wrong for lots of pages if cl_collation is 0,
# so let's update it while we're here.
if ( $title->getNamespace() == NS_CATEGORY ) {
$type = 'subcat';
} elseif ( $title->getNamespace() == NS_FILE ) {
$type = 'file';
} else {
$type = 'page';
}
$dbw->update(
'categorylinks',
array(
'cl_sortkey' => $wgContLang->convertToSortkey(
$title->getCategorySortkey( $prefix ) ),
'cl_sortkey_prefix' => $prefix,
'cl_collation' => $wgCategoryCollation,
'cl_type' => $type,
'cl_timestamp = cl_timestamp',
),
array( 'cl_from' => $row->cl_from, 'cl_to' => $row->cl_to ),
__METHOD__
);
}
$dbw->commit();
$count += $res->numRows();
$this->output( "$count done.\n" );
} while ( $res->numRows() == self::BATCH_SIZE );
}
}
$maintClass = "UpdateCollation";
require_once( DO_MAINTENANCE );