maintenance/updateArticleCount.inc.php

   1 <?php
   2
   3 /**
   4  * Support class for the updateArticleCount.php maintenance script
   5  *
   6  * @addtogroup Maintenance
   7  * @author Rob Church <robchur@gmail.com>
   8  */
   9
  10 class ArticleCounter {
  11
  12         var $dbr;
  13         var $namespaces;
  14
  15         function ArticleCounter() {
  16                 global $wgContentNamespaces;
  17                 $this->namespaces = $wgContentNamespaces;
  18                 $this->dbr = wfGetDB( DB_SLAVE );
  19         }
  20
  21         /**
  22          * Produce a comma-delimited set of namespaces
  23          * Includes paranoia
  24          *
  25          * @return string
  26          */
  27         function makeNsSet() {
  28                 foreach( $this->namespaces as $namespace )
  29                         $namespaces[] = intval( $namespace );
  30                 return implode( ', ', $namespaces );
  31         }
  32
  33         /**
  34          * Produce SQL for the query
  35          *
  36          * @return string
  37          */
  38         function makeSql() {
  39                 list( $page, $pagelinks ) = $this->dbr->tableNamesN( 'page', 'pagelinks' );
  40                 $nsset = $this->makeNsSet();
  41                 return "SELECT DISTINCT page_namespace,page_title FROM $page,$pagelinks " .
  42                         "WHERE pl_from=page_id and page_namespace IN ( $nsset ) " .
  43                         "AND page_is_redirect = 0 AND page_len > 0";
  44         }
  45
  46         /**
  47          * Count the number of valid content pages in the wiki
  48          *
  49          * @return mixed Integer, or false if there's a problem
  50          */
  51         function count() {
  52                 $res = $this->dbr->query( $this->makeSql(), __METHOD__ );
  53                 if( $res ) {
  54                         $count = $this->dbr->numRows( $res );
  55                         $this->dbr->freeResult( $res );
  56                         return $count;
  57                 } else {
  58                         # Look out for this when handling the result
  59                         #    - Actually it's unreachable, !$res throws an exception -- TS
  60                         return false;
  61                 }
  62         }
  63
  64 }
  65
  66 ?>