/**
  * Filter the query by a related \INSEEGeo\Model\InseeGeoRegion object
  *
  * @param \INSEEGeo\Model\InseeGeoRegion|ObjectCollection $inseeGeoRegion The related object(s) to use as filter
  * @param string $comparison Operator to use for the column comparison, defaults to Criteria::EQUAL
  *
  * @return ChildInseeGeoDepartmentQuery The current query, for fluid interface
  */
 public function filterByInseeGeoRegion($inseeGeoRegion, $comparison = null)
 {
     if ($inseeGeoRegion instanceof \INSEEGeo\Model\InseeGeoRegion) {
         return $this->addUsingAlias(InseeGeoDepartmentTableMap::REGION_ID, $inseeGeoRegion->getId(), $comparison);
     } elseif ($inseeGeoRegion instanceof ObjectCollection) {
         if (null === $comparison) {
             $comparison = Criteria::IN;
         }
         return $this->addUsingAlias(InseeGeoDepartmentTableMap::REGION_ID, $inseeGeoRegion->toKeyValue('PrimaryKey', 'Id'), $comparison);
     } else {
         throw new PropelException('filterByInseeGeoRegion() only accepts arguments of type \\INSEEGeo\\Model\\InseeGeoRegion or Collection');
     }
 }