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https://issues.apache.org/jira/browse/ARROW-4681?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Andy Grove resolved ARROW-4681.
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Resolution: Fixed
Issue resolved by pull request 3849
[https://github.com/apache/arrow/pull/3849]
> [Rust] [DataFusion] Implement parallel query execution using threads
> --------------------------------------------------------------------
>
> Key: ARROW-4681
> URL: https://issues.apache.org/jira/browse/ARROW-4681
> Project: Apache Arrow
> Issue Type: Improvement
> Components: Rust, Rust - DataFusion
> Affects Versions: 0.12.0
> Reporter: Andy Grove
> Assignee: Andy Grove
> Priority: Major
> Labels: pull-request-available
> Fix For: 0.13.0
>
> Time Spent: 10m
> Remaining Estimate: 0h
>
> I am planning on tackling this soon. The basic plan is to change the table
> scan() method to return multiple scanners (one per partition) so that the
> query execution can process each partition on a separate thread.
> This will involve changing some of the DataFusion APIs to use Arc instead of
> Rc.
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