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Posted to issues@arrow.apache.org by "Wes McKinney (JIRA)" <ji...@apache.org> on 2018/09/20 02:33:00 UTC

[jira] [Updated] (ARROW-1558) [C++] Implement boolean selection kernels

     [ https://issues.apache.org/jira/browse/ARROW-1558?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Wes McKinney updated ARROW-1558:
--------------------------------
    Fix Version/s:     (was: 0.11.0)
                   0.12.0

> [C++] Implement boolean selection kernels
> -----------------------------------------
>
>                 Key: ARROW-1558
>                 URL: https://issues.apache.org/jira/browse/ARROW-1558
>             Project: Apache Arrow
>          Issue Type: New Feature
>          Components: C++
>            Reporter: Wes McKinney
>            Assignee: Uwe L. Korn
>            Priority: Major
>              Labels: Analytics
>             Fix For: 0.12.0
>
>
> Select values where a boolean selection array is true. As a default, if any values in the selection are null, then values in the output array should be null. 
> The null behaviour does not need to be toggable, if the user wants to select nothing in the case of null, then it is necessary to call selection_array.fillna(false) first.



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