/** * Filter the query by a related \ExpertGroup object * * @param \ExpertGroup|ObjectCollection $expertGroup The related object(s) to use as filter * @param string $comparison Operator to use for the column comparison, defaults to Criteria::EQUAL * * @return ChildExpertGroupMembersQuery The current query, for fluid interface */ public function filterByExpertGroup($expertGroup, $comparison = null) { if ($expertGroup instanceof \ExpertGroup) { return $this->addUsingAlias(ExpertGroupMembersTableMap::COL_GROUP_NAME, $expertGroup->getGroupName(), $comparison); } elseif ($expertGroup instanceof ObjectCollection) { if (null === $comparison) { $comparison = Criteria::IN; } return $this->addUsingAlias(ExpertGroupMembersTableMap::COL_GROUP_NAME, $expertGroup->toKeyValue('PrimaryKey', 'GroupName'), $comparison); } else { throw new PropelException('filterByExpertGroup() only accepts arguments of type \\ExpertGroup or Collection'); } }