diff options
Diffstat (limited to 'includes/specials/SpecialListredirects.php')
-rw-r--r-- | includes/specials/SpecialListredirects.php | 96 |
1 files changed, 68 insertions, 28 deletions
diff --git a/includes/specials/SpecialListredirects.php b/includes/specials/SpecialListredirects.php index 315047da..acf5fbd9 100644 --- a/includes/specials/SpecialListredirects.php +++ b/includes/specials/SpecialListredirects.php @@ -30,22 +30,72 @@ */ class ListredirectsPage extends QueryPage { - function getName() { return( 'Listredirects' ); } - function isExpensive() { return( true ); } - function isSyndicated() { return( false ); } - function sortDescending() { return( false ); } + function __construct( $name = 'Listredirects' ) { + parent::__construct( $name ); + } + + function isExpensive() { return true; } + function isSyndicated() { return false; } + function sortDescending() { return false; } - function getSQL() { - $dbr = wfGetDB( DB_SLAVE ); - $page = $dbr->tableName( 'page' ); - $sql = "SELECT 'Listredirects' AS type, page_title AS title, page_namespace AS namespace, - 0 AS value FROM $page WHERE page_is_redirect = 1"; - return( $sql ); + function getQueryInfo() { + return array( + 'tables' => array( 'p1' => 'page', 'redirect', 'p2' => 'page' ), + 'fields' => array( 'p1.page_namespace AS namespace', + 'p1.page_title AS title', + 'rd_namespace', + 'rd_title', + 'rd_fragment', + 'rd_interwiki', + 'p2.page_id AS redirid' ), + 'conds' => array( 'p1.page_is_redirect' => 1 ), + 'join_conds' => array( 'redirect' => array( + 'LEFT JOIN', 'rd_from=p1.page_id' ), + 'p2' => array( 'LEFT JOIN', array( + 'p2.page_namespace=rd_namespace', + 'p2.page_title=rd_title' ) ) ) + ); } - function formatResult( $skin, $result ) { - global $wgContLang; + function getOrderFields() { + return array ( 'p1.page_namespace', 'p1.page_title' ); + } + /** + * Cache page existence for performance + * + * @param $db DatabaseBase + * @param $res ResultWrapper + */ + function preprocessResults( $db, $res ) { + $batch = new LinkBatch; + foreach ( $res as $row ) { + $batch->add( $row->namespace, $row->title ); + $batch->addObj( $this->getRedirectTarget( $row ) ); + } + $batch->execute(); + + // Back to start for display + if ( $db->numRows( $res ) > 0 ) { + // If there are no rows we get an error seeking. + $db->dataSeek( $res, 0 ); + } + } + + protected function getRedirectTarget( $row ) { + if ( isset( $row->rd_title ) ) { + return Title::makeTitle( $row->rd_namespace, + $row->rd_title, $row->rd_fragment, + $row->rd_interwiki + ); + } else { + $title = Title::makeTitle( $row->namespace, $row->title ); + $article = new Article( $title ); + return $article->getRedirectTarget(); + } + } + + function formatResult( $skin, $result ) { # Make a link to the redirect itself $rd_title = Title::makeTitle( $result->namespace, $result->title ); $rd_link = $skin->link( @@ -56,25 +106,15 @@ class ListredirectsPage extends QueryPage { ); # Find out where the redirect leads - $revision = Revision::newFromTitle( $rd_title ); - if( $revision ) { + $target = $this->getRedirectTarget( $result ); + if( $target ) { + global $wgLang; # Make a link to the destination page - $target = Title::newFromRedirect( $revision->getText() ); - if( $target ) { - $arr = $wgContLang->getArrow() . $wgContLang->getDirMark(); - $targetLink = $skin->link( $target ); - return "$rd_link $arr $targetLink"; - } else { - return "<del>$rd_link</del>"; - } + $arr = $wgLang->getArrow() . $wgLang->getDirMark(); + $targetLink = $skin->link( $target ); + return "$rd_link $arr $targetLink"; } else { return "<del>$rd_link</del>"; } } } - -function wfSpecialListredirects() { - list( $limit, $offset ) = wfCheckLimits(); - $lrp = new ListredirectsPage(); - $lrp->doQuery( $offset, $limit ); -} |