Ji Liu created ARROW-6401:
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Summary: [Java] Implement dictionary-encoded subfields for Struct
type
Key: ARROW-6401
URL: https://issues.apache.org/jira/browse/ARROW-6401
Project: Apache Arrow
Issue Type: Sub-task
Components: Java
Reporter: Ji Liu
Assignee: Ji Liu
Implement dictionary-encoded subfields for Struct type.
Each child vector will have a dictionary, the dictionary vector is struct type
and holds all dictionaries.
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