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Posted to dev@arrow.apache.org by "Ji Liu (Jira)" <ji...@apache.org> on 2019/11/26 06:49:00 UTC

[jira] [Created] (ARROW-7259) [Java] Support subfield encoder use different hasher

Ji Liu created ARROW-7259:
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             Summary: [Java] Support subfield encoder use different hasher
                 Key: ARROW-7259
                 URL: https://issues.apache.org/jira/browse/ARROW-7259
             Project: Apache Arrow
          Issue Type: New Feature
          Components: Java
            Reporter: Ji Liu
            Assignee: Ji Liu


Currently {{ListSubFieldEncoder/StructSubFieldEncoder}} use default hasher for calculating hashCode.

This issue enables them to use different hasher or even user-defined hasher for their own use cases just like {{DictionaryEncoder}} does.



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