Weston Pace created ARROW-15592:
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Summary: [C++] Add support for custom output field names in a
substrait::PlanRel
Key: ARROW-15592
URL: https://issues.apache.org/jira/browse/ARROW-15592
Project: Apache Arrow
Issue Type: Improvement
Components: C++
Reporter: Weston Pace
A Substrait plan consists of multiple relations. Some (only one?) of those
relations can be "root" relations which means they name the output fields. We
currently do not support this. It should be a straightforward projection to
assign the field names.
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