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Posted to issues@arrow.apache.org by "ASF GitHub Bot (Jira)" <ji...@apache.org> on 2019/08/30 14:09:00 UTC

[jira] [Updated] (ARROW-6368) [C++] Add RecordBatch projection functionality

     [ https://issues.apache.org/jira/browse/ARROW-6368?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

ASF GitHub Bot updated ARROW-6368:
----------------------------------
    Labels: dataset pull-request-available  (was: dataset)

> [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
>
> 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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