Prado\Data\DataGateway\TDataGatewayCommand::findByPk PHP Method

    public function findByPk($keys)
    {
        if ($keys === null) {
            return null;
        }
        list($where, $parameters) = $this->getPrimaryKeyCondition((array) $keys);
        $command = $this->getBuilder()->createFindCommand($where, $parameters);
        $this->onCreateCommand($command, new TSqlCriteria($where, $parameters));
        return $this->onExecuteCommand($command, $command->queryRow());
    }