public function execute()
    {
        $this->preExecute();
        $result = $this->connection->query($this->getSql());
        foreach ($result as $row) {
            $count = $row['count'];
        }
        $this->postExecute();

        return $count > 0;
    }
public function execute()
    {
        $this->preExecute();
        $result = $this->connection->query($this->getSql());
        foreach ($result as $row) {
            $count = $row['count'];
        }
        $this->postExecute();

        return $count > 0;
    }
{@inheritdoc}