/**
* Filter the query by a related \App\Propel\Variation object
*
* @param \App\Propel\Variation|ObjectCollection $variation the related object to use as filter
* @param string $comparison Operator to use for the column comparison, defaults to Criteria::EQUAL
*
* @return ChildVariationTypeQuery The current query, for fluid interface
*/
public function filterByVariation($variation, $comparison = null)
{
if ($variation instanceof \App\Propel\Variation) {
return $this->addUsingAlias(VariationTypeTableMap::COL_VARIATION_TYPE_ID, $variation->getVariationTypeId(), $comparison);
} elseif ($variation instanceof ObjectCollection) {
return $this->useVariationQuery()->filterByPrimaryKeys($variation->getPrimaryKeys())->endUse();
} else {
throw new PropelException('filterByVariation() only accepts arguments of type \\App\\Propel\\Variation or Collection');
}
}
