/**
* Builds a Criteria object containing the primary key for this object.
*
* Unlike buildCriteria() this method includes the primary key values regardless
* of whether or not they have been modified.
*
* @throws LogicException if no primary key is defined
*
* @return Criteria The Criteria object containing value(s) for primary key(s).
*/
public function buildPkeyCriteria()
{
$criteria = ChildPeopleQuery::create();
$criteria->add(PeopleTableMap::COL_ID, $this->id);
return $criteria;
}