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Posted to issues@arrow.apache.org by "Wes McKinney (JIRA)" <ji...@apache.org> on 2018/12/14 19:19:00 UTC

[jira] [Commented] (ARROW-4031) [C++] Refactor ArrayBuilder bitmap logic into TypedBufferBuilder

    [ https://issues.apache.org/jira/browse/ARROW-4031?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16721715#comment-16721715 ] 

Wes McKinney commented on ARROW-4031:
-------------------------------------

Makes sense. If you do start working on this you may want to hold off until https://github.com/apache/arrow/pull/3171 is merged (since a bunch of the code is moved around)

> [C++] Refactor ArrayBuilder bitmap logic into TypedBufferBuilder<bool>
> ----------------------------------------------------------------------
>
>                 Key: ARROW-4031
>                 URL: https://issues.apache.org/jira/browse/ARROW-4031
>             Project: Apache Arrow
>          Issue Type: Improvement
>          Components: C++
>            Reporter: Benjamin Kietzman
>            Priority: Minor
>
> It would be useful to have a specialization of TypedBufferBuilder to simplify building buffers of bits. This could then be utilized by ArrayBuilder (for the null bitmap) and BooleanBuilder (for values)



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