They're mapped with the StructType/StructArray, which is also columnar
representation, e.g. one buffer per field in the sub-object. If you
have varying/incompatible types, a field will be promoted to a
UnionType.
François
On Thu, Apr 2, 2020 at 12:54 AM Micah Kornfield wrote:
>
> Hi Hasara,
> Th
Hi Hasara,
There isn't current functionality in C++/Python to do this (
https://issues.apache.org/jira/browse/ARROW-4630 is the issue tracking
this).
Also how nested attributes in json format are mapped into buffers once
> converted in arrow format?
I'm not sure I understand this question?
Thank
Hi all,
Assume I have a json file named 'my_data.json' as below.
*{"a": [1, 2], "b": {"c": true, "d": "1991-02-03"}}
{"a": [3, 4, 5], "b": {"c": false, "d": "2019-04-01"**}}*
If I need to do a join operation based on attribute d, can I do it
directly from arrow structs? ( or are there any effici
