[ARROW-268] [C++] Flesh out union implementation to have all required methods for IPC

• Type: Task
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 0.2.0
• Component/s: C++
• External issue URL: https://github.com/apache/arrow/issues/15609
• Assignee: Wes McKinney
• Reporter: Micah Kornfield
• Created: 22/Aug/16 04:33
• Updated: 11/Jan/23 07:07
• Resolved: 24/Jan/17 00:30

Description

The current Union implementation just looks like shell implementation we need to add proper implementation for things like equality before we can add it to IPC.