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https://issues.apache.org/jira/browse/ARROW-9420?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Andy Grove closed ARROW-9420.
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Resolution: Duplicate
Duplicate of https://issues.apache.org/jira/browse/ARROW-9464
> [Rust][DataFusion] Add repartition/shuffle plan
> -----------------------------------------------
>
> Key: ARROW-9420
> URL: https://issues.apache.org/jira/browse/ARROW-9420
> Project: Apache Arrow
> Issue Type: Improvement
> Components: Rust - DataFusion
> Reporter: Jorge
> Assignee: Jorge
> Priority: Major
> Labels: pull-request-available
> Time Spent: 40m
> Remaining Estimate: 0h
>
> Some operations (group by, join, over(window.partition_by)) greatly benefit
> from hash partitioning.
> This is a proposal to add hash partitioning (based on a expression) to this
> library, so that optimizers can be written to optimize the plan based on the
> required hashing.
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