maintenance/refreshLinks.inc

   1 <?php
   2
   3 define( "REPORTING_INTERVAL", 50 );
   4 define( "PAUSE_INTERVAL", 50 );
   5
   6 function refreshLinks( $start ) {
   7         global $wgUser, $wgTitle, $wgArticle, $wgEnablePersistentLC, $wgLinkCache, $wgOut;
   8
   9         $dbw =& wfGetDB( DB_MASTER );
  10
  11         $end = $dbw->selectField( 'cur', 'max(cur_id)', false );
  12
  13         print("Refreshing link table. Starting from cur_id $start of $end.\n");
  14
  15         # Don't generate TeX PNGs (lack of a sensible current directory causes errors anyway)
  16         $wgUser->setOption("math", 3);
  17
  18
  19         for ($id = $start; $id <= $end; $id++) {
  20                 if ( !($id % REPORTING_INTERVAL) ) {
  21                         print "$id\n";
  22                 }
  23
  24                 if ( !($id % PAUSE_INTERVAL) ) {
  25                         sleep(1);
  26                 }
  27
  28                 $wgTitle = Title::newFromID( $id );
  29                 if ( is_null( $wgTitle ) ) {
  30                         continue;
  31                 }
  32                 $dbw->query("BEGIN");
  33
  34                 $wgArticle = new Article( $wgTitle );
  35                 $text = $wgArticle->getContent( true );
  36                 $wgLinkCache = new LinkCache;
  37                 $wgLinkCache->forUpdate( true );
  38
  39                 # Parse the text and replace links with placeholders
  40                 $wgOut->addWikiText( $text );
  41
  42                 # Look up the links in the DB and add them to the link cache
  43                 $wgOut->transformBuffer( RLH_FOR_UPDATE );
  44
  45                 if ( $wgEnablePersistentLC ) {
  46                         $wgLinkCache->saveToLinkscc( $id, $dbw->strencode( $wgTitle->getPrefixedDBkey() ) );
  47                 }
  48
  49                 $linksUpdate = new LinksUpdate( $id, $wgTitle->getPrefixedDBkey() );
  50                 $linksUpdate->doDumbUpdate();
  51                 $linksUpdate->fixBrokenLinks();
  52                 $dbw->query("COMMIT");
  53         }
  54 }
  55 ?>