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