MediaWiki 1.17.0

[autoinstalls/mediawiki.git] / maintenance / renameDbPrefix.php

diff --git a/maintenance/renameDbPrefix.php b/maintenance/renameDbPrefix.php
index f73db508bf2678eea42f492b8fc3547defb7c653..289e747f44c860554f63f3fae483da0e72b75517 100644 (file)
--- a/maintenance/renameDbPrefix.php
+++ b/maintenance/renameDbPrefix.php
@@ -20,8 +20,8 @@
  *
  * @ingroup Maintenance
  */
- 
-require_once( dirname(__FILE__) . '/Maintenance.php' );
+
+require_once( dirname( __FILE__ ) . '/Maintenance.php' );
 
 class RenameDbPrefix extends Maintenance {
        public function __construct() {
@@ -35,43 +35,45 @@ class RenameDbPrefix extends Maintenance {
        }
 
        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 ) {
+
+               if ( $old === false || $new === false ) {
                        $this->error( "Invalid prefix!", true );
                }
-               if( $old === $new ) {
+               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 ) {
+               $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" );
                        }
@@ -82,4 +84,4 @@ class RenameDbPrefix extends Maintenance {
 }
 
 $maintClass = "RenameDbPrefix";
-require_once( DO_MAINTENANCE );
\ No newline at end of file
+require_once( RUN_MAINTENANCE_IF_MAIN );