[ARROW-6738] [Java] Fix problems with current union comparison logic

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 0.17.0
• Component/s: Java
• Labels: pull-request-available
• External issue URL: https://github.com/apache/arrow/issues/23079
• Assignee: Liya Fan
• Reporter: Liya Fan
• Created: 30/Sep/19 10:57
• Updated: 11/Jan/23 07:49
• Resolved: 03/Feb/20 03:41

Description

There are some problems with the current union comparison logic. For example:
1. For type check, we should not require fields to be equal. It is possible that two vectors' value ranges are equal but their fields are different.

Issue Links

• links to: GitHub Pull Request #5544