/** * Exclude object from result * * @param ChildPreference $preference Object to remove from the list of results * * @return $this|ChildPreferenceQuery The current query, for fluid interface */ public function prune($preference = null) { if ($preference) { $this->addUsingAlias(PreferenceTableMap::COL_KEY, $preference->getKey(), Criteria::NOT_EQUAL); } return $this; }