/**
* Filter the query by a related Libro object
*
* @param Libro $libro the related object to use as filter
* @param string $comparison Operator to use for the column comparison, defaults to Criteria::EQUAL
*
* @return UsuarioQuery The current query, for fluid interface
*/
public function filterByLibroRelatedByUsuario_ult_acc($libro, $comparison = null)
{
if ($libro instanceof Libro) {
return $this->addUsingAlias(UsuarioPeer::ID, $libro->getUsuario_ult_acc(), $comparison);
} elseif ($libro instanceof PropelCollection) {
return $this->useLibroRelatedByUsuario_ult_accQuery()->filterByPrimaryKeys($libro->getPrimaryKeys())->endUse();
} else {
throw new PropelException('filterByLibroRelatedByUsuario_ult_acc() only accepts arguments of type Libro or PropelCollection');
}
}
