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