[ARROW-8666] [Java] DenseUnionVector has no way to set offset/validity directly

• Type: Improvement
• Status: Closed
• Priority: Major
• Resolution: Not A Problem
• Affects Version/s: 0.17.0
• Component/s: Java
• External issue URL: https://github.com/apache/arrow/issues/24826
• Assignee: Unassigned
• Reporter: David Li
• Created: 01/May/20 17:32
• Updated: 11/Jan/23 08:01
• Resolved: 10/Jun/21 21:03

Description

You can set the type ID manually, but you cannot set the offset or validity directly. Ideally, we'd have an API like Python that lets us build it directly from constituent vectors and the offsets/type IDs.