<?php
/**
+ * Implements Special:Lonelypaages
*
* 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
*
* 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.,
- * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
* http://www.gnu.org/copyleft/gpl.html
- */
-
-/**
+ *
* @file
* @ingroup SpecialPage
*/
/**
* A special page looking for articles with no article linking to them,
* thus being lonely.
+ *
* @ingroup SpecialPage
*/
class LonelyPagesPage extends PageQueryPage {
- function getName() {
- return "Lonelypages";
+ function __construct( $name = 'Lonelypages' ) {
+ parent::__construct( $name );
}
+
function getPageHeader() {
return wfMsgExt( 'lonelypagestext', array( 'parse' ) );
}
}
function isSyndicated() { return false; }
- function getSQL() {
- $dbr = wfGetDB( DB_SLAVE );
- list( $page, $pagelinks, $templatelinks ) = $dbr->tableNamesN( 'page', 'pagelinks', 'templatelinks' );
-
- return
- "SELECT 'Lonelypages' AS type,
- page_namespace AS namespace,
- page_title AS title,
- page_title AS value
- FROM $page
- LEFT JOIN $pagelinks
- ON page_namespace=pl_namespace AND page_title=pl_title
- LEFT JOIN $templatelinks
- ON page_namespace=tl_namespace AND page_title=tl_title
- WHERE pl_namespace IS NULL
- AND page_namespace=".NS_MAIN."
- AND page_is_redirect=0
- AND tl_namespace IS NULL";
-
+ function getQueryInfo() {
+ return array (
+ 'tables' => array ( 'page', 'pagelinks',
+ 'templatelinks' ),
+ 'fields' => array ( 'page_namespace AS namespace',
+ 'page_title AS title',
+ 'page_title AS value' ),
+ 'conds' => array ( 'pl_namespace IS NULL',
+ 'page_namespace' => MWNamespace::getContentNamespaces(),
+ 'page_is_redirect' => 0,
+ 'tl_namespace IS NULL' ),
+ 'join_conds' => array (
+ 'pagelinks' => array (
+ 'LEFT JOIN', array (
+ 'pl_namespace = page_namespace',
+ 'pl_title = page_title' ) ),
+ 'templatelinks' => array (
+ 'LEFT JOIN', array (
+ 'tl_namespace = page_namespace',
+ 'tl_title = page_title' ) ) )
+ );
+ }
+
+ function getOrderFields() {
+ // For some crazy reason ordering by a constant
+ // causes a filesort in MySQL 5
+ if( count( MWNamespace::getContentNamespaces() ) > 1 ) {
+ return array( 'page_namespace', 'page_title' );
+ } else {
+ return array( 'page_title' );
+ }
}
-}
-
-/**
- * Constructor
- */
-function wfSpecialLonelypages() {
- list( $limit, $offset ) = wfCheckLimits();
-
- $lpp = new LonelyPagesPage();
-
- return $lpp->doQuery( $offset, $limit );
}