[ARROW-6401] [Java] Implement dictionary-encoded subfields for Struct type

• Type: Sub-task
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 0.15.0
• Component/s: Java
• Labels: pull-request-available
• External issue URL: https://github.com/apache/arrow/issues/22773
• Assignee: Ji Liu
• Reporter: Ji Liu
• Created: 31/Aug/19 03:00
• Updated: 11/Jan/23 07:46
• Resolved: 17/Sep/19 05:17

Description

Implement dictionary-encoded subfields for Struct type.

Each child vector will have a dictionary, the dictionary vector is struct type and holds all dictionaries.

Issue Links

• links to: GitHub Pull Request #5243