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