[](https://wesmckinney.com/blog/arrow-streaming-columnar/#cb6-1)In [13]: source = sink.get_result()
[](https://wesmckinney.com/blog/arrow-streaming-columnar/#cb6-2)
[](https://wesmckinney.com/blog/arrow-streaming-columnar/#cb6-3)In [14]: source
[](https://wesmckinney.com/blog/arrow-streaming-columnar/#cb6-4)Out[14]: <pyarrow.io.Buffer at 0x7f2df7118f80>
[](https://wesmckinney.com/blog/arrow-streaming-columnar/#cb6-5)
[](https://wesmckinney.com/blog/arrow-streaming-columnar/#cb6-6)In [15]: source.size
[](https://wesmckinney.com/blog/arrow-streaming-columnar/#cb6-7)Out[15]: 1074750744