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Posted to issues@arrow.apache.org by "Wes McKinney (Jira)" <ji...@apache.org> on 2020/05/25 14:03:00 UTC
[jira] [Updated] (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 updated ARROW-971:
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Summary: [C++/Python] Implement Array.isvalid/notnull/isnull as scalar functions (was: [C++/Python] Implement Array.isvalid/notnull/isnull)
> [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
> Priority: Major
> Labels: dataframe
> Fix For: 2.0.0
>
> Time Spent: 0.5h
> 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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