<?php
/**
+ * Implements Special:Mostlinked
+ *
+ * Copyright © 2005 Ævar Arnfjörð Bjarmason, 2006 Rob Church
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ * http://www.gnu.org/copyleft/gpl.html
+ *
* @file
* @ingroup SpecialPage
+ * @author Ævar Arnfjörð Bjarmason <avarab@gmail.com>
+ * @author Rob Church <robchur@gmail.com>
*/
/**
* A special page to show pages ordered by the number of pages linking to them.
- * Implements Special:Mostlinked
*
* @ingroup SpecialPage
- *
- * @author Ævar Arnfjörð Bjarmason <avarab@gmail.com>
- * @author Rob Church <robchur@gmail.com>
- * @copyright Copyright © 2005, Ævar Arnfjörð Bjarmason
- * @copyright © 2006 Rob Church
- * @license http://www.gnu.org/copyleft/gpl.html GNU General Public License 2.0 or later
*/
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";
}
/**
function preprocessResults( $db, $res ) {
if( $db->numRows( $res ) > 0 ) {
$linkBatch = new LinkBatch();
- while( $row = $db->fetchObject( $res ) )
+ foreach ( $res as $row ) {
$linkBatch->add( $row->namespace, $row->title );
+ }
$db->dataSeek( $res, 0 );
$linkBatch->execute();
}
* 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 );
}
/**
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 );