/**
  * Filter the query by a related Expedientehistorial object
  *
  * @param   Expedientehistorial|PropelObjectCollection $expedientehistorial  the related object to use as filter
  * @param     string $comparison Operator to use for the column comparison, defaults to Criteria::EQUAL
  *
  * @return                 ExpedienteservicioQuery The current query, for fluid interface
  * @throws PropelException - if the provided filter is invalid.
  */
 public function filterByExpedientehistorial($expedientehistorial, $comparison = null)
 {
     if ($expedientehistorial instanceof Expedientehistorial) {
         return $this->addUsingAlias(ExpedienteservicioPeer::IDEXPEDIENTESERVICIO, $expedientehistorial->getIdexpedienteservicio(), $comparison);
     } elseif ($expedientehistorial instanceof PropelObjectCollection) {
         return $this->useExpedientehistorialQuery()->filterByPrimaryKeys($expedientehistorial->getPrimaryKeys())->endUse();
     } else {
         throw new PropelException('filterByExpedientehistorial() only accepts arguments of type Expedientehistorial or PropelCollection');
     }
 }
 /**
  * Filter the query by a related Expedienteservicio object
  *
  * @param   Expedienteservicio|PropelObjectCollection $expedienteservicio The related object(s) to use as filter
  * @param     string $comparison Operator to use for the column comparison, defaults to Criteria::EQUAL
  *
  * @return                 ExpedientehistorialQuery The current query, for fluid interface
  * @throws PropelException - if the provided filter is invalid.
  */
 public function filterByExpedienteservicio($expedienteservicio, $comparison = null)
 {
     if ($expedienteservicio instanceof Expedienteservicio) {
         return $this->addUsingAlias(ExpedientehistorialPeer::IDEXPEDIENTESERVICIO, $expedienteservicio->getIdexpedienteservicio(), $comparison);
     } elseif ($expedienteservicio instanceof PropelObjectCollection) {
         if (null === $comparison) {
             $comparison = Criteria::IN;
         }
         return $this->addUsingAlias(ExpedientehistorialPeer::IDEXPEDIENTESERVICIO, $expedienteservicio->toKeyValue('PrimaryKey', 'Idexpedienteservicio'), $comparison);
     } else {
         throw new PropelException('filterByExpedienteservicio() only accepts arguments of type Expedienteservicio or PropelCollection');
     }
 }