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Posted to jira@arrow.apache.org by "Wes McKinney (Jira)" <ji...@apache.org> on 2020/06/16 22:04:00 UTC

[jira] [Resolved] (ARROW-971) [C++/Python] Implement Array.isvalid/notnull/isnull as scalar functions

     [ https://issues.apache.org/jira/browse/ARROW-971?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Wes McKinney resolved ARROW-971.
--------------------------------
    Fix Version/s:     (was: 2.0.0)
                   1.0.0
       Resolution: Fixed

Issue resolved by pull request 7410
[https://github.com/apache/arrow/pull/7410]

> [C++/Python] Implement Array.isvalid/notnull/isnull as scalar functions
> -----------------------------------------------------------------------
>
>                 Key: ARROW-971
>                 URL: https://issues.apache.org/jira/browse/ARROW-971
>             Project: Apache Arrow
>          Issue Type: Improvement
>          Components: C++
>            Reporter: Wes McKinney
>            Assignee: Ben Kietzman
>            Priority: Major
>              Labels: dataframe, pull-request-available
>             Fix For: 1.0.0
>
>          Time Spent: 7h
>  Remaining Estimate: 0h
>
> For arrays with nulls, this amounts to returning the validity bitmap. Without nulls, an array of all 1 bits must be constructed. For isnull, the bits must be flipped (in this case, the un-set part of the new bitmap must stay 0, though).



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