Hi all,
Thanks for all the cool work on Arrow, it's definitely making things easier for us :)

I'm wondering if there is a workaround for the current behaviour of `Table.filter` that I'm seeing, in that its result goes to RAM even if the table is memory mapped.

Here's an example code to highlight the behaviour:

Screenshot 2021-03-25 at 16.11.31.png

Thanks for the attention!