Meistkommentiert Artikel fehlt

protected function getMostCommented() {
		$data = array(
			'articles' => array(),
			'blogs' => array()
		);

		// get data for articles
		$sql = "SELECT		user_blog.entryID, user_blog.userID, user_blog.subject, user_blog.excerpt, user_blog.comments
			FROM		wcf".WCF_N."_user_blog user_blog
			LEFT JOIN	wcf".WCF_N."_user user
			ON		(user.userID = user_blog.userID)
			WHERE		user_blog.isPublished = 1
					AND user_blog.isPrivate = 1
					AND user.userID IS NOT NULL
			ORDER BY	user_blog.comments DESC";
		$result = WCF::getDB()->sendQuery($sql, 5);
		while ($row = WCF::getDB()->fetchArray($result)) {
			$data['articles'][] = $row;
			$this->userIDArray[] = $row['userID'];
		}