/**
* Filter the query by a related BuyListing object
*
* @param BuyListing|PropelObjectCollection $buyListing the related object to use as filter
* @param string $comparison Operator to use for the column comparison, defaults to Criteria::EQUAL
*
* @return ItemQuery The current query, for fluid interface
* @throws PropelException - if the provided filter is invalid.
*/
public function filterByBuyListing($buyListing, $comparison = null)
{
if ($buyListing instanceof BuyListing) {
return $this->addUsingAlias(ItemPeer::DATA_ID, $buyListing->getItemId(), $comparison);
} elseif ($buyListing instanceof PropelObjectCollection) {
return $this->useBuyListingQuery()->filterByPrimaryKeys($buyListing->getPrimaryKeys())->endUse();
} else {
throw new PropelException('filterByBuyListing() only accepts arguments of type BuyListing or PropelCollection');
}
}
