[ARROW-10779] [Java] writeNull method in UnionListWriter doesn't work correctly if validity at that index is already set

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 3.0.0
• Component/s: Java
• Labels: pull-request-available
• External issue URL: https://github.com/apache/arrow/issues/26720
• Assignee: Projjal Chanda
• Reporter: Projjal Chanda
• Created: 01/Dec/20 12:05
• Updated: 11/Jan/23 08:15
• Resolved: 07/Dec/20 07:27

Description

UnionListWriter#writeNull writes a empty list instead of null if the validity bit at that index was not already unset

Issue Links

• links to: GitHub Pull Request #8810