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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