/**
  * @param int $id
  * @param PortfolioTwrPeriod $model
  * @return bool
  */
 public function update($id, PortfolioTwrPeriod $model)
 {
     return $this->fpdo->update($this->table, array('net_mtd' => $model->getNetMtd(), 'net_qtd' => $model->getNetQtd(), 'net_ytd' => $model->getNetYtd(), 'net_yr1' => $model->getNetYr1(), 'net_yr3' => $model->getNetYr3(), 'gross_mtd' => $model->getGrossMtd(), 'gross_qtd' => $model->getGrossQtd(), 'gross_ytd' => $model->getGrossYtd(), 'gross_yr1' => $model->getGrossYr1(), 'gross_yr3' => $model->getGrossYr3(), 'net_since_inception' => $model->getNetSinceInception(), 'gross_since_inception' => $model->getGrossSinceInception()), $id)->execute();
 }