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Posted to issues@arrow.apache.org by "Ji Liu (Jira)" <ji...@apache.org> on 2019/09/18 14:51:00 UTC

[jira] [Created] (ARROW-6600) [Java] Implement dictionary-encoded subfields for Union type

Ji Liu created ARROW-6600:
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             Summary: [Java] Implement dictionary-encoded subfields for Union type
                 Key: ARROW-6600
                 URL: https://issues.apache.org/jira/browse/ARROW-6600
             Project: Apache Arrow
          Issue Type: Sub-task
          Components: Java
            Reporter: Ji Liu
            Assignee: Ji Liu


Implement dictionary-encoded subfields for {{Union}} type. Each child vector could be encodable or not.

 

Meanwhile extra common logic into {{DictionaryEncoder}} as well as refactor List subfield encoding to keep consistent with {{Struct/Union}} type.

 



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