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https://issues.apache.org/jira/browse/ARROW-7259?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Micah Kornfield resolved ARROW-7259.
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Fix Version/s: 0.16.0
Resolution: Fixed
Issue resolved by pull request 5899
[https://github.com/apache/arrow/pull/5899]
> [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
> Priority: Major
> Labels: pull-request-available
> Fix For: 0.16.0
>
> Time Spent: 40m
> Remaining Estimate: 0h
>
> 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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