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https://issues.apache.org/jira/browse/ARROW-6368?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Francois Saint-Jacques resolved ARROW-6368.
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Fix Version/s: 0.15.0
Resolution: Fixed
Issue resolved by pull request 5207
[https://github.com/apache/arrow/pull/5207]
> [C++] Add RecordBatch projection functionality
> ----------------------------------------------
>
> Key: ARROW-6368
> URL: https://issues.apache.org/jira/browse/ARROW-6368
> Project: Apache Arrow
> Issue Type: Improvement
> Components: C++
> Reporter: Benjamin Kietzman
> Assignee: Benjamin Kietzman
> Priority: Minor
> Labels: dataset, pull-request-available
> Fix For: 0.15.0
>
> Time Spent: 5.5h
> Remaining Estimate: 0h
>
> define classes RecordBatchProjector (which projects from one schema to
> another, augmenting with null/constant columns where necessary) and a subtype
> of RecordBatchIterator which projects each batch yielded by a wrapped
> iterator.
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