MediaWiki 1.17.0

[autoinstallsdev/mediawiki.git] / maintenance / updateDoubleWidthSearch.php

diff --git a/maintenance/updateDoubleWidthSearch.php b/maintenance/updateDoubleWidthSearch.php
new file mode 100644 (file)
index 0000000..bfbc441
--- /dev/null
+++ b/maintenance/updateDoubleWidthSearch.php
@@ -0,0 +1,71 @@
+<?php
+/**
+ * Script to normalize double-byte latin UTF-8 characters
+ *
+ * Usage: php updateDoubleWidthSearch.php
+ *
+ * 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
+ */
+
+require_once( dirname( __FILE__ ) . '/Maintenance.php' );
+
+class UpdateDoubleWidthSearch extends Maintenance {
+
+       public function __construct() {
+               parent::__construct();
+               $this->mDescription = "Script to normalize double-byte latin UTF-8 characters";
+               $this->addOption( 'q', 'quiet', false, true );
+               $this->addOption( 'l', 'How long the searchindex and revision tables will be locked for', false, true );
+       }
+
+       public function getDbType() {
+               return Maintenance::DB_ADMIN;
+       }
+
+       public function execute() {
+               $maxLockTime = $this->getOption( 'l', 20 );
+
+               $dbw = wfGetDB( DB_MASTER );
+               if ( $dbw->getType() !== 'mysql' ) {
+                       $this->output( "This change is only needed on MySQL, quitting.\n" );
+                       exit( 1 );
+               }
+
+               $res = $this->findRows( $dbw );
+               $this->updateSearchIndex( $maxLockTime, array( $this, 'searchIndexUpdateCallback' ), $dbw, $res );
+
+               $this->output( "Done\n" );
+       }
+
+       public function searchIndexUpdateCallback( $dbw, $row ) {
+               return $this->updateSearchIndexForPage( $dbw, $row->si_page );
+       }
+
+       private function findRows( $dbw ) {
+               $searchindex = $dbw->tableName( 'searchindex' );
+               $regexp = '[[:<:]]u8efbd([89][1-9a]|8[b-f]|90)[[:>:]]';
+               $sql = "SELECT si_page FROM $searchindex
+                                WHERE ( si_text RLIKE '$regexp' )
+                                       OR ( si_title RLIKE '$regexp' )";
+               return $dbw->query( $sql, __METHOD__ );
+       }
+}
+
+$maintClass = "UpdateDoubleWidthSearch";
+require_once( RUN_MAINTENANCE_IF_MAIN );