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<?php
/**
*
* @addtogroup SpecialPage
*/
/**
*
* @addtogroup SpecialPage
*/
class DeadendPagesPage extends PageQueryPage {
function getName( ) {
return "Deadendpages";
}
function getPageHeader() {
return '<p>' . wfMsg('deadendpagestext') . '</p>';
}
/**
* LEFT JOIN is expensive
*
* @return true
*/
function isExpensive( ) {
return 1;
}
function isSyndicated() { return false; }
/**
* @return false
*/
function sortDescending() {
return false;
}
/**
* @return string an sqlquery
*/
function getSQL() {
$dbr = wfGetDB( DB_SLAVE );
list( $page, $pagelinks ) = $dbr->tableNamesN( 'page', 'pagelinks' );
return "SELECT 'Deadendpages' as type, page_namespace AS namespace, page_title as title, page_title AS value " .
"FROM $page LEFT JOIN $pagelinks ON page_id = pl_from " .
"WHERE pl_from IS NULL " .
"AND page_namespace = 0 " .
"AND page_is_redirect = 0";
}
}
/**
* Constructor
*/
function wfSpecialDeadendpages() {
list( $limit, $offset ) = wfCheckLimits();
$depp = new DeadendPagesPage();
return $depp->doQuery( $offset, $limit );
}
?>
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