/** * Filter the query by a related Skill object * * @param Skill|PropelObjectCollection $skill The related object(s) to use as filter * @param string $comparison Operator to use for the column comparison, defaults to Criteria::EQUAL * * @return UserSkillQuery The current query, for fluid interface * @throws PropelException - if the provided filter is invalid. */ public function filterBySkill($skill, $comparison = null) { if ($skill instanceof Skill) { return $this->addUsingAlias(UserSkillPeer::SKILL_ID, $skill->getId(), $comparison); } elseif ($skill instanceof PropelObjectCollection) { if (null === $comparison) { $comparison = Criteria::IN; } return $this->addUsingAlias(UserSkillPeer::SKILL_ID, $skill->toKeyValue('PrimaryKey', 'Id'), $comparison); } else { throw new PropelException('filterBySkill() only accepts arguments of type Skill or PropelCollection'); } }