[ARROW-15901] [C++] Support flat custom output field names in Substrait

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 9.0.0
• Component/s: C++
• Labels: pull-request-available
• External issue URL: https://github.com/apache/arrow/issues/31331
• Assignee: Yaron Gvili
• Reporter: Yaron Gvili
• Created: 10/Mar/22 13:19
• Updated: 11/Jan/23 11:40
• Resolved: 06/Jun/22 16:09

Description

Currently, Arrow Substrait does not support a plan with custom output field names. The proposal is to add support for flat (i.e. without nested fields) schemata only at this time.

Issue Links

• links to: GitHub Pull Request #12601
• links to: GitHub Pull Request #13069