[ARROW-4975] [C++] Support concatenation of UnionArrays

• Type: New Feature
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Fix Version/s: 7.0.0
• Component/s: C++
• Labels: good-first-issue good-second-issue pull-request-available
• External issue URL: https://github.com/apache/arrow/issues/16035
• Assignee: Matthijs Brobbel
• Reporter: Ben Kietzman
• Created: 20/Mar/19 17:56
• Updated: 11/Jan/23 07:37
• Resolved: 06/Dec/21 15:58

Description

https://github.com/apache/arrow/pull/3746 adds support for concatenation of arrays, but UnionArrays are not supported.

Issue Links

• blocks: ARROW-5594 [C++] add support for UnionArrays to Take and Filter
• links to: GitHub Pull Request #11843