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