- if( $this->from != '' ) {
- $pageCondition = 'cl_sortkey >= ' . $dbr->addQuotes( $this->from );
- $this->flip = false;
- } elseif( $this->until != '' ) {
- $pageCondition = 'cl_sortkey < ' . $dbr->addQuotes( $this->until );
- $this->flip = true;
- } else {
- $pageCondition = '1 = 1';
- $this->flip = false;
- }
- $res = $dbr->select(
- array( 'page', 'categorylinks', 'category' ),
- array( 'page_title', 'page_namespace', 'page_len', 'page_is_redirect', 'cl_sortkey',
- 'cat_id', 'cat_title', 'cat_subcats', 'cat_pages', 'cat_files' ),
- array( $pageCondition, 'cl_to' => $this->title->getDBkey() ),
- __METHOD__,
- array( 'ORDER BY' => $this->flip ? 'cl_sortkey DESC' : 'cl_sortkey',
- 'USE INDEX' => array( 'categorylinks' => 'cl_sortkey' ),
- 'LIMIT' => $this->limit + 1 ),
- array( 'categorylinks' => array( 'INNER JOIN', 'cl_from = page_id' ),
- 'category' => array( 'LEFT JOIN', 'cat_title = page_title AND page_namespace = ' . NS_CATEGORY ) )
- );