Method set_read_past_size_cb

be/src/exec/scanner-context.h:139–139

    /// than file_offset() due to data being assembled in the boundary buffer).
    typedef boost::function<int (int64_t)> ReadPastSizeCallback;
    void set_read_past_size_cb(ReadPastSizeCallback cb) { read_past_size_cb_ = move(cb); }

    /// Return the number of bytes left in the range for this stream.
    int64_t bytes_left() { return scan_range_->bytes_to_read() - total_bytes_returned_; }