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