<?php
/**
+ * Script will find all rows in the categorylinks table whose collation is
+ * out-of-date (cl_collation != $wgCategoryCollation) and repopulate cl_sortkey
+ * using the page title and cl_sortkey_prefix.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ * http://www.gnu.org/copyleft/gpl.html
+ *
* @file
* @ingroup Maintenance
* @author Aryeh Gregor (Simetrical)
require_once( dirname( __FILE__ ) . '/Maintenance.php' );
class UpdateCollation extends Maintenance {
- const BATCH_SIZE = 1000;
+ const BATCH_SIZE = 50;
public function __construct() {
parent::__construct();
up-to-date, it will do nothing.
TEXT;
- #$this->addOption( 'force', 'Run on all rows, even if the collation is supposed to be up-to-date.' );
+ $this->addOption( 'force', 'Run on all rows, even if the collation is ' .
+ 'supposed to be up-to-date.' );
+ }
+
+ public function syncDBs() {
+ $lb = wfGetLB();
+ // bug 27975 - Don't try to wait for slaves if there are none
+ // Prevents permission error when getting master position
+ if ( $lb->getServerCount() > 1 ) {
+ $dbw = $lb->getConnection( DB_MASTER );
+ $pos = $dbw->getMasterPos();
+ $lb->waitForAll( $pos );
+ }
}
public function execute() {
- global $wgCategoryCollation, $wgContLang;
+ global $wgCategoryCollation, $wgMiserMode;
$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;
+ $force = $this->getOption( 'force' );
+
+ $options = array( 'LIMIT' => self::BATCH_SIZE );
+
+ if ( $force ) {
+ $options['ORDER BY'] = 'cl_from, cl_to';
+ $collationConds = array();
+ } else {
+ $collationConds = array( 0 =>
+ 'cl_collation != ' . $dbw->addQuotes( $wgCategoryCollation ) );
+
+ if ( !$wgMiserMode ) {
+ $count = $dbw->selectField(
+ 'categorylinks',
+ 'COUNT(*)',
+ $collationConds,
+ __METHOD__
+ );
+
+ if ( $count == 0 ) {
+ $this->output( "Collations up-to-date.\n" );
+ return;
+ }
+ $this->output( "Fixing collation for $count rows.\n" );
+ }
}
- $this->output( "Fixing collation for $count rows.\n" );
$count = 0;
+ $batchConds = array();
do {
+ $this->output( 'Processing next ' . self::BATCH_SIZE . ' rows... ');
$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'
- ),
+ array_merge( $collationConds, $batchConds, array( 'cl_from = page_id' ) ),
__METHOD__,
- array( 'LIMIT' => self::BATCH_SIZE )
+ $options
);
$dbw->begin();
foreach ( $res as $row ) {
$title = Title::newFromRow( $row );
- if ( $row->cl_collation == 0 ) {
+ if ( !$row->cl_collation ) {
# This is an old-style row, so the sortkey needs to be
# converted.
if ( $row->cl_sortkey == $title->getText()
$dbw->update(
'categorylinks',
array(
- 'cl_sortkey' => $wgContLang->convertToSortkey(
+ 'cl_sortkey' => Collation::singleton()->getSortKey(
$title->getCategorySortkey( $prefix ) ),
'cl_sortkey_prefix' => $prefix,
'cl_collation' => $wgCategoryCollation,
}
$dbw->commit();
+ if ( $force && $row ) {
+ $encFrom = $dbw->addQuotes( $row->cl_from );
+ $encTo = $dbw->addQuotes( $row->cl_to );
+ $batchConds = array(
+ "(cl_from = $encFrom AND cl_to > $encTo) " .
+ " OR cl_from > $encFrom" );
+ }
+
$count += $res->numRows();
$this->output( "$count done.\n" );
+
+ $this->syncDBs();
} while ( $res->numRows() == self::BATCH_SIZE );
}
}
$maintClass = "UpdateCollation";
-require_once( DO_MAINTENANCE );
+require_once( RUN_MAINTENANCE_IF_MAIN );