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