[ARROW-15241] [C++] MakeArrayOfNull fails on extension types with a nested storage type

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 7.0.0
• Component/s: C++
• Labels: pull-request-available
• External issue URL: https://github.com/apache/arrow/issues/30738
• Assignee: Weston Pace
• Reporter: Weston Pace
• Created: 04/Jan/22 03:08
• Updated: 11/Jan/23 08:45
• Resolved: 05/Jan/22 02:19

Description

I detected this as part of the PR to switch over to the async scanner as the async scanner always creates an empty array as a placeholder. Some python tests using extension types with nested types then started failing.

Issue Links

• links to: GitHub Pull Request #12066