[ARROW-972] [Python] Add test cases and basic APIs for UnionArray

• Type: New Feature
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 0.3.0
• Fix Version/s: 0.8.0
• Component/s: Python
• Labels: pull-request-available
• External issue URL: https://github.com/apache/arrow/issues/16571
• Assignee: Philipp Moritz
• Reporter: Wes McKinney
• Created: 08/May/17 00:58
• Updated: 11/Jan/23 07:12
• Resolved: 09/Nov/17 16:31

Description

While this is implemented in C++, there isn't any API exposure yet in Python

Issue Links

• links to: GitHub Pull Request #1216
• links to: GitHub Pull Request #1216