maintenance/nukeNS.php

   1 <?php
   2
   3 /**
   4  * Remove pages with only 1 revision from the MediaWiki namespace, without
   5  * flooding recent changes, delete logs, etc.
   6  * Irreversible (can't use standard undelete) and does not update link tables
   7  *
   8  * This is mainly useful to run before maintenance/update.php when upgrading
   9  * to 1.9, to prevent flooding recent changes/deletion logs.  It's intended
  10  * to be conservative, so it's possible that a few entries will be left for
  11  * deletion by the upgrade script.  It's also possible that it hasn't been
  12  * tested thouroughly enough, and will delete something it shouldn't; so
  13  * back up your DB if there's anything in the MediaWiki that is important to
  14  * you.
  15  *
  16  * You can also specify --nodelete to see what will get deleted, without
  17  * deleting anything.
  18  *
  19  * @package MediaWiki
  20  * @subpackage Maintenance
  21  * @author Steve Sanbeg
  22  * based on nukePage by Rob Church
  23  */
  24
  25 require_once( 'commandLine.inc' );
  26 require_once( 'nukePage.inc' );
  27
  28 $ns = NS_MEDIAWIKI;
  29 $delete = true;
  30
  31 if (isset($options['ns']))
  32 {
  33   $ns = $options['ns'];
  34 }
  35
  36 if (isset( $options['nodelete'] ))
  37 {
  38   $delete = false;
  39 }
  40
  41
  42 if ($delete) echo "delete $ns\n";
  43 exit (0);
  44
  45
  46 NukeNS( $ns, $delete);
  47
  48 function NukeNS($ns_no, $delete) {
  49
  50   $dbw =& wfGetDB( DB_MASTER );
  51   $dbw->begin();
  52
  53   $tbl_pag = $dbw->tableName( 'page' );
  54   $tbl_rev = $dbw->tableName( 'revision' );
  55   $res = $dbw->query( "SELECT page_title FROM $tbl_pag WHERE page_namespace = $ns_no" );
  56
  57   while( $row = $dbw->fetchObject( $res ) ) {
  58     //echo "$ns_name:".$row->page_title, "\n";
  59     $title = Title::newFromText($row->page_title, $ns_no);
  60     $id   = $title->getArticleID();
  61
  62     // Get corresponding revisions
  63     $res2 = $dbw->query( "SELECT rev_id FROM $tbl_rev WHERE rev_page = $id" );
  64     $revs = array();
  65
  66     while( $row2 = $dbw->fetchObject( $res2 ) ) {
  67       $revs[] = $row2->rev_id;
  68     }
  69     $count = count( $revs );
  70
  71     //skip anything that looks modified (i.e. multiple revs)
  72     if (($count == 1)) {
  73       #echo $title->getPrefixedText(), "\t", $count, "\n";
  74       echo "delete: ", $title->getPrefixedText(), "\n";
  75
  76       //as much as I hate to cut & paste this, it's a little different, and
  77       //I already have the id & revs
  78
  79       if( $delete ) {
  80         $dbw->query( "DELETE FROM $tbl_pag WHERE page_id = $id" );
  81         $dbw->commit();
  82         // Delete revisions as appropriate
  83         DeleteRevisions( $revs );
  84         PurgeRedundantText( true );
  85       }
  86     } else {
  87       echo "skip: ", $title->getPrefixedText(), "\n";
  88     }
  89
  90
  91   }
  92 }
  93
  94
  95 ?>