Yaron Gvili created ARROW-16968:
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Summary: [C++] Expand Python-UDF support to Arrow Substrait
Key: ARROW-16968
URL: https://issues.apache.org/jira/browse/ARROW-16968
Project: Apache Arrow
Issue Type: Improvement
Components: C++
Reporter: Yaron Gvili
Currently, Python-UDFs are supported in Arrow at a low-level of abstraction.
This issue is about expanding this support to Arrow Substrait, which is at a
higher-level. This is intended for the Py/Arrow support of the use case in
which a Substrait plan with Python UDFs is manually expressed using Ibis,
automatically represented using Substrait, and automatically executed using
Py/Arrow.
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