maintenance/compressOld.inc

   1 <?php
   2
   3 include_once( "Article.php" );
   4
   5 function compressOldPages( $start = 0 ) {
   6         $chunksize = 50;
   7         print "Starting from old_id $start...\n";
   8         do {
   9                 $sql = "SELECT old_id,old_flags,old_namespace,old_title,old_text FROM old WHERE old_id>=$start ORDER BY old_id LIMIT $chunksize";
  10                 $res = wfQuery( $sql, DB_READ, "compressOldPages" );
  11                 if( wfNumRows( $res ) == 0 ) {
  12                         break;
  13                 }
  14                 while( $row = wfFetchObject( $res ) ) {
  15                         # print "  {$row->old_id} - {$row->old_namespace}:{$row->old_title}\n";
  16                         compressPage( $row );
  17                 }
  18                 wfFreeResult( $res );
  19                 $start += $chunksize;
  20                 print "$start...\n";
  21         } while( true );
  22 }
  23
  24 function compressPage( $row ) {
  25         if( false !== strpos( $row->old_flags, "gzip" ) ) {
  26                 print "Already compressed row {$row->old_id}?\n";
  27                 return false;
  28         }
  29         $flags = $row->old_flags ? "{$row->old_flags},gzip" : "gzip";
  30         $compress = wfStrencode( gzdeflate( $row->old_text ) );
  31
  32         $sql = "UPDATE old SET old_flags='$flags', old_text='$compress' WHERE old_id={$row->old_id} LIMIT 1";
  33          $res = wfQuery( $sql, DB_WRITE, 'compressPage' );
  34         return $res;
  35 }
  36
  37 ?>