public function executeImpl($partner_id, $subp_id, $puser_id, $partner_prefix, $puser_kuser)
 {
     $user_id = $this->getPM("user_id");
     $new_user_id = $this->getPM("new_user_id");
     $target_puser_kuser = PuserKuserPeer::retrieveByPartnerAndUid($partner_id, null, $user_id, true);
     if (!$target_puser_kuser) {
         $this->addError(APIErrors::INVALID_USER_ID, $user_id);
         return;
     }
     $new_puser_kuser = PuserKuserPeer::retrieveByPartnerAndUid($partner_id, null, $new_user_id, true);
     $kuser = kuserPeer::getKuserByPartnerAndUid($partner_id, $new_user_id);
     if ($new_puser_kuser || $kuser) {
         $this->addError(APIErrors::DUPLICATE_USER_BY_ID, $new_user_id);
         return;
     }
     $target_puser_kuser->setPuserId($new_user_id);
     $target_puser_kuser->save();
     PuserKuserPeer::removeFromCache($target_puser_kuser);
     $kuser = $target_puser_kuser->getKuser();
     $kuser->setPuserId($target_puser_kuser->getPuserId());
     $kuser->save();
     $wrapper = objectWrapperBase::getWrapperClass($target_puser_kuser, objectWrapperBase::DETAIL_LEVEL_DETAILED);
     $wrapper->removeFromCache("PuserKuser", $target_puser_kuser->getId());
     $this->addMsg("user", $wrapper);
 }