/**
* 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;
}
