/**
 * Implements hook_search_status().
 */
function {{ machine_name }}_search_status() {
  $total = db_query('SELECT COUNT(*) FROM {node} WHERE status = 1')->fetchField();
  $remaining = db_query("SELECT COUNT(*) FROM {node} n LEFT JOIN {search_dataset} d ON d.type = 'node' AND d.sid = n.nid WHERE n.status = 1 AND d.sid IS NULL OR d.reindex <> 0")->fetchField();
  return array('remaining' => $remaining, 'total' => $total);
}