/** * Retrieve object using using composite pkey values. * @param int $user_id * @param int $skill_id * @param PropelPDO $con * @return UserSkill */ public static function retrieveByPK($user_id, $skill_id, PropelPDO $con = null) { $_instancePoolKey = serialize(array((string) $user_id, (string) $skill_id)); if (null !== ($obj = UserSkillPeer::getInstanceFromPool($_instancePoolKey))) { return $obj; } if ($con === null) { $con = Propel::getConnection(UserSkillPeer::DATABASE_NAME, Propel::CONNECTION_READ); } $criteria = new Criteria(UserSkillPeer::DATABASE_NAME); $criteria->add(UserSkillPeer::USER_ID, $user_id); $criteria->add(UserSkillPeer::SKILL_ID, $skill_id); $v = UserSkillPeer::doSelect($criteria, $con); return !empty($v) ? $v[0] : null; }