Reciprocal language fallback for Upper/Lower Sorbian (hsb, dsb)

[lhc/web/wiklou.git] / maintenance / renameDbPrefix.php

diff --git a/maintenance/renameDbPrefix.php b/maintenance/renameDbPrefix.php
index 562f143..2772f04 100644 (file)
--- a/maintenance/renameDbPrefix.php
+++ b/maintenance/renameDbPrefix.php
@@ -1,59 +1,86 @@
 <?php
 /**
+ * Change the prefix of database tables.
  * Run this script to after changing $wgDBprefix on a wiki.
  * The wiki will have to get downtime to do this correctly.
  *
+ * 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( "Maintenance.php" );
 
+require_once __DIR__ . '/Maintenance.php';
+
+/**
+ * Maintenance script that changes the prefix of database tables.
+ *
+ * @ingroup Maintenance
+ */
 class RenameDbPrefix extends Maintenance {
        public function __construct() {
                parent::__construct();
-               $this->addParam( "old", "Old db prefix [0 for none]", true, true );
-               $this->addParam( "new", "New db prefix [0 for none]", true, true );
+               $this->addOption( "old", "Old db prefix [0 for none]", true, true );
+               $this->addOption( "new", "New db prefix [0 for none]", true, true );
        }
-       
+
+       public function getDbType() {
+               return Maintenance::DB_ADMIN;
+       }
+
        public function execute() {
+               global $wgDBname;
+
                // Allow for no old prefix
-               if( $this->getOption( 'old', 0 ) === '0' ) {
+               if ( $this->getOption( 'old', 0 ) === '0' ) {
                        $old = '';
                } else {
                        // Use nice safe, sane, prefixes
-                       preg_match( '/^[a-zA-Z]+_$/', $this->getOption('old'), $m );
+                       preg_match( '/^[a-zA-Z]+_$/', $this->getOption( 'old' ), $m );
                        $old = isset( $m[0] ) ? $m[0] : false;
                }
                // Allow for no new prefix
-               if( $this->getOption( 'new', 0 ) === '0' ) {
+               if ( $this->getOption( 'new', 0 ) === '0' ) {
                        $new = '';
                } else {
                        // Use nice safe, sane, prefixes
-                       preg_match( '/^[a-zA-Z]+_$/', $this->getOption('new'), $m );
+                       preg_match( '/^[a-zA-Z]+_$/', $this->getOption( 'new' ), $m );
                        $new = isset( $m[0] ) ? $m[0] : false;
                }
-       
-               if( $old === false || $new === false ) {
-                       $this->error( "Invalid prefix!\n", true );
+
+               if ( $old === false || $new === false ) {
+                       $this->error( "Invalid prefix!", true );
                }
-               if( $old === $new ) {
-                       $this->( "Same prefix. Nothing to rename!\n", true );
+               if ( $old === $new ) {
+                       $this->output( "Same prefix. Nothing to rename!\n", true );
                }
-       
+
                $this->output( "Renaming DB prefix for tables of $wgDBname from '$old' to '$new'\n" );
                $count = 0;
-       
-               $dbw = wfGetDB( DB_MASTER );
-               $res = $dbw->query( "SHOW TABLES LIKE '".$dbw->escapeLike( $old )."%'" );
-               foreach( $res as $row ) {
+
+               $dbw = $this->getDB( DB_MASTER );
+               $res = $dbw->query( "SHOW TABLES " . $dbw->buildLike( $old, $dbw->anyString() ) );
+               foreach ( $res as $row ) {
                        // XXX: odd syntax. MySQL outputs an oddly cased "Tables of X"
                        // sort of message. Best not to try $row->x stuff...
                        $fields = get_object_vars( $row );
                        // Silly for loop over one field...
-                       foreach( $fields as $resName => $table ) {
+                       foreach ( $fields as $table ) {
                                // $old should be regexp safe ([a-zA-Z_])
-                               $newTable = preg_replace( '/^'.$old.'/', $new, $table );
+                               $newTable = preg_replace( '/^' . $old . '/', $new, $table );
                                $this->output( "Renaming table $table to $newTable\n" );
                                $dbw->query( "RENAME TABLE $table TO $newTable" );
                        }
@@ -62,3 +89,6 @@ class RenameDbPrefix extends Maintenance {
                $this->output( "Done! [$count tables]\n" );
        }
 }
+
+$maintClass = "RenameDbPrefix";
+require_once RUN_MAINTENANCE_IF_MAIN;