[jira] [Commented] (ARROW-2244) [C++] Slicing NullArray should not cause the null count on the internal data to be unknown

["ASF GitHub Bot (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/ARROW-2244?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16385351#comment-16385351 ] 

ASF GitHub Bot commented on ARROW-2244:
---------------------------------------

wesm opened a new pull request #1696: ARROW-2244: [C++] Add unit test to explicitly check that NullArray internal data set correctly in Slice operations
URL: https://github.com/apache/arrow/pull/1696
 
 
   

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> [C++] Slicing NullArray should not cause the null count on the internal data to be unknown
> ------------------------------------------------------------------------------------------
>
>                 Key: ARROW-2244
>                 URL: https://issues.apache.org/jira/browse/ARROW-2244
>             Project: Apache Arrow
>          Issue Type: Bug
>          Components: C++
>            Reporter: Wes McKinney
>            Assignee: Wes McKinney
>            Priority: Major
>              Labels: pull-request-available
>             Fix For: 0.9.0
>
>
> see https://github.com/apache/arrow/blob/master/cpp/src/arrow/array.cc#L101



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