MediaWiki 1.16.0

[autoinstalls/mediawiki.git] / includes / specials / SpecialMostlinked.php

diff --git a/includes/specials/SpecialMostlinked.php b/includes/specials/SpecialMostlinked.php
index 078489bd13aa92473b480934c8e17bc341d592dd..f112ae17a8a1b841dd946cf440184e3a96b51e25 100644 (file)
--- a/includes/specials/SpecialMostlinked.php
+++ b/includes/specials/SpecialMostlinked.php
@@ -22,22 +22,35 @@ class MostlinkedPage extends QueryPage {
        function isExpensive() { return true; }
        function isSyndicated() { return false; }
 
-       /**
-        * Note: Getting page_namespace only works if $this->isCached() is false
-        */
        function getSQL() {
+               global $wgMiserMode;
+
                $dbr = wfGetDB( DB_SLAVE );
+
+               # In miser mode, reduce the query cost by adding a threshold for large wikis
+               if ( $wgMiserMode ) {
+                       $numPages = SiteStats::pages();
+                       if ( $numPages > 10000 ) {
+                               $cutoff = 100;
+                       } elseif ( $numPages > 100 ) {
+                               $cutoff = intval( sqrt( $numPages ) );
+                       } else {
+                               $cutoff = 1;
+                       }
+               } else {
+                       $cutoff = 1;
+               }
+
                list( $pagelinks, $page ) = $dbr->tableNamesN( 'pagelinks', 'page' );
                return
                        "SELECT 'Mostlinked' AS type,
                                pl_namespace AS namespace,
                                pl_title AS title,
-                               COUNT(*) AS value,
-                               page_namespace
+                               COUNT(*) AS value
                        FROM $pagelinks
                        LEFT JOIN $page ON pl_namespace=page_namespace AND pl_title=page_title
-                       GROUP BY pl_namespace, pl_title, page_namespace
-                       HAVING COUNT(*) > 1";
+                       GROUP BY pl_namespace, pl_title
+                       HAVING COUNT(*) > $cutoff";
        }
 
        /**
@@ -57,12 +70,13 @@ class MostlinkedPage extends QueryPage {
         * Make a link to "what links here" for the specified title
         *
         * @param $title Title being queried
+        * @param $caption String: text to display on the link
         * @param $skin Skin to use
-        * @return string
+        * @return String
         */
        function makeWlhLink( &$title, $caption, &$skin ) {
                $wlh = SpecialPage::getTitleFor( 'Whatlinkshere', $title->getPrefixedDBkey() );
-               return $skin->makeKnownLinkObj( $wlh, $caption );
+               return $skin->linkKnown( $wlh, $caption );
        }
 
        /**
@@ -75,7 +89,10 @@ class MostlinkedPage extends QueryPage {
        function formatResult( $skin, $result ) {
                global $wgLang;
                $title = Title::makeTitleSafe( $result->namespace, $result->title );
-               $link = $skin->makeLinkObj( $title );
+               if ( !$title ) {
+                       return '<!-- ' . htmlspecialchars( "Invalid title: [[$title]]" ) . ' -->';
+               }
+               $link = $skin->link( $title );
                $wlh = $this->makeWlhLink( $title,
                        wfMsgExt( 'nlinks', array( 'parsemag', 'escape'),
                                $wgLang->formatNum( $result->value ) ), $skin );