Prado\Data\DataGateway\TDataGatewayCommand::count PHP Метод

    public function count($criteria)
    {
        if ($criteria === null) {
            return (int) $this->getBuilder()->createCountCommand()->queryScalar();
        }
        $where = $criteria->getCondition();
        $parameters = $criteria->getParameters()->toArray();
        $ordering = $criteria->getOrdersBy();
        $limit = $criteria->getLimit();
        $offset = $criteria->getOffset();
        $command = $this->getBuilder()->createCountCommand($where, $parameters, $ordering, $limit, $offset);
        $this->onCreateCommand($command, $criteria);
        return $this->onExecuteCommand($command, (int) $command->queryScalar());
    }