Method len

be/src/runtime/buffered-tuple-stream.h:435–435

        attached_to_output_batch(src.attached_to_output_batch) {}

    inline int len() const { return handle.len(); }
    inline bool is_pinned() const { return handle.is_pinned(); }
    inline int pin_count() const { return handle.pin_count(); }
    Status GetBuffer(const BufferPool::BufferHandle** buffer) {