msg( 'doubleredirectstext' )->parseAsBlock(); } function reallyGetQueryInfo( $namespace = null, $title = null ) { $limitToTitle = !( $namespace === null && $title === null ); $dbr = wfGetDB( DB_SLAVE ); $retval = array( 'tables' => array( 'ra' => 'redirect', 'rb' => 'redirect', 'pa' => 'page', 'pb' => 'page' ), 'fields' => array( 'namespace' => 'pa.page_namespace', 'title' => 'pa.page_title', 'value' => 'pa.page_title', 'nsb' => 'pb.page_namespace', 'tb' => 'pb.page_title', // Select fields from redirect instead of page. Because there may // not actually be a page table row for this target (e.g. for interwiki redirects) 'nsc' => 'rb.rd_namespace', 'tc' => 'rb.rd_title', 'iwc' => 'rb.rd_interwiki', ), 'conds' => array( 'ra.rd_from = pa.page_id', // Filter out redirects where the target goes interwiki (bug 40353). // This isn't an optimization, it is required for correct results, // otherwise a non-double redirect like Bar -> w:Foo will show up // like "Bar -> Foo -> w:Foo". // Need to check both NULL and "" for some reason, // apparently either can be stored for non-iw entries. 'ra.rd_interwiki IS NULL OR ra.rd_interwiki = ' . $dbr->addQuotes( '' ), 'pb.page_namespace = ra.rd_namespace', 'pb.page_title = ra.rd_title', 'rb.rd_from = pb.page_id', ) ); if ( $limitToTitle ) { $retval['conds']['pa.page_namespace'] = $namespace; $retval['conds']['pa.page_title'] = $title; } return $retval; } public function getQueryInfo() { return $this->reallyGetQueryInfo(); } function getOrderFields() { return array( 'ra.rd_namespace', 'ra.rd_title' ); } /** * @param Skin $skin * @param object $result Result row * @return string */ function formatResult( $skin, $result ) { $titleA = Title::makeTitle( $result->namespace, $result->title ); // If only titleA is in the query, it means this came from // querycache (which only saves 3 columns). // That does save the bulk of the query cost, but now we need to // get a little more detail about each individual entry quickly // using the filter of reallyGetQueryInfo. if ( $result && !isset( $result->nsb ) ) { $dbr = wfGetDB( DB_SLAVE ); $qi = $this->reallyGetQueryInfo( $result->namespace, $result->title ); $res = $dbr->select( $qi['tables'], $qi['fields'], $qi['conds'], __METHOD__ ); if ( $res ) { $result = $dbr->fetchObject( $res ); } } if ( !$result ) { return '' . Linker::link( $titleA, null, array(), array( 'redirect' => 'no' ) ) . ''; } $titleB = Title::makeTitle( $result->nsb, $result->tb ); $titleC = Title::makeTitle( $result->nsc, $result->tc, '', $result->iwc ); $linkA = Linker::linkKnown( $titleA, null, array(), array( 'redirect' => 'no' ) ); $edit = Linker::linkKnown( $titleA, $this->msg( 'parentheses', $this->msg( 'editlink' )->text() )->escaped(), array(), array( 'action' => 'edit' ) ); $linkB = Linker::linkKnown( $titleB, null, array(), array( 'redirect' => 'no' ) ); $linkC = Linker::linkKnown( $titleC ); $lang = $this->getLanguage(); $arr = $lang->getArrow() . $lang->getDirMark(); return ( "{$linkA} {$edit} {$arr} {$linkB} {$arr} {$linkC}" ); } protected function getGroupName() { return 'maintenance'; } }