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