    public function promise()
    {
        if ($this->aggregate) {
            return $this->aggregate;
        }

        try {
            $this->createPromise();
            $this->iterable->rewind();
            $this->refillPending();
        } catch (\Throwable $e) {
            $this->aggregate->reject($e);
        } catch (\Exception $e) {
            $this->aggregate->reject($e);
        }

        return $this->aggregate;
    }
The software constructs all or part of an SQL command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended SQL command when it is sent to a downstream component.