--- nodefamily.module.orig	2008-07-14 18:32:12.000000000 -0700
+++ nodefamily.module	2008-07-14 18:32:04.000000000 -0700
@@ -877,6 +877,13 @@ function nodefamily_views_tables() {
         'handler' => 'nodefamily_views_filter',
         'help' => t('This allows you to filter by child node ID.').t('You can optionally restrict the filter to a certain content type, which makes sense to use in conjunctions with the NOT EQUAL operator.'),
       ),
+      'has_child' => array(
+        'name' => t('Nodefamily: Has Child'),
+        'operator' => array('IS NOT' => t('Yes'), 'IS' => t('No')),
+        'field' => 'child_nid',
+        'handler' => 'views_handler_filter_null',
+        'help' => t('This allows you to filter only to nodes that have a child ID.'),
+      ),
     ),
   );
   $tables['nodefamily_child'] = array(