[ARROW-6352] [Java] Add implementation of DenseUnionVector.

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 0.16.0
• Component/s: Java
• Labels: pull-request-available
• External issue URL: https://github.com/apache/arrow/issues/22728
• Assignee: Liya Fan
• Reporter: Micah Kornfield
• Created: 26/Aug/19 04:05
• Updated: 11/Jan/23 07:46
• Resolved: 24/Jan/20 06:01

Description

Today only Sparse unions are supported.  We should have a dense union implementation vector that conforms to the IPC protocol (the current sparse union vector doesn't do this and there are other JIRAs covering making it compatible).

Issue Links

• links to: GitHub Pull Request #5473