/** * Filter the query by a related Item object * * @param Item|PropelObjectCollection $item The related object(s) to use as filter * @param string $comparison Operator to use for the column comparison, defaults to Criteria::EQUAL * * @return BuyListingQuery The current query, for fluid interface * @throws PropelException - if the provided filter is invalid. */ public function filterByItem($item, $comparison = null) { if ($item instanceof Item) { return $this->addUsingAlias(BuyListingPeer::ITEM_ID, $item->getDataId(), $comparison); } elseif ($item instanceof PropelObjectCollection) { if (null === $comparison) { $comparison = Criteria::IN; } return $this->addUsingAlias(BuyListingPeer::ITEM_ID, $item->toKeyValue('PrimaryKey', 'DataId'), $comparison); } else { throw new PropelException('filterByItem() only accepts arguments of type Item or PropelCollection'); } }