/**
* Filter the query by a related \ECP\GroupPerson object
*
* @param \ECP\GroupPerson|ObjectCollection $groupPerson the related object to use as filter
* @param string $comparison Operator to use for the column comparison, defaults to Criteria::EQUAL
*
* @return ChildGroupQuery The current query, for fluid interface
*/
public function filterByGroupPerson($groupPerson, $comparison = null)
{
if ($groupPerson instanceof \ECP\GroupPerson) {
return $this->addUsingAlias(GroupTableMap::COL_ID, $groupPerson->getGroupid(), $comparison);
} elseif ($groupPerson instanceof ObjectCollection) {
return $this->useGroupPersonQuery()->filterByPrimaryKeys($groupPerson->getPrimaryKeys())->endUse();
} else {
throw new PropelException('filterByGroupPerson() only accepts arguments of type \\ECP\\GroupPerson or Collection');
}
}