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https://issues.apache.org/jira/browse/ARROW-2838?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Uwe L. Korn resolved ARROW-2838.
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Resolution: Fixed
Fix Version/s: 0.10.0
Issue resolved by pull request 2258
[https://github.com/apache/arrow/pull/2258]
> [Python] Speed up null testing with Pandas semantics
> ----------------------------------------------------
>
> Key: ARROW-2838
> URL: https://issues.apache.org/jira/browse/ARROW-2838
> Project: Apache Arrow
> Issue Type: Improvement
> Components: C++, Python
> Affects Versions: 0.9.0
> Reporter: Antoine Pitrou
> Assignee: Antoine Pitrou
> Priority: Major
> Labels: pull-request-available
> Fix For: 0.10.0
>
> Time Spent: 0.5h
> Remaining Estimate: 0h
>
> The {{PandasObjectIsNull}} helper function can be a significant contributor
> when converting a Pandas dataframe to Arrow format (e.g. when writing a
> dataframe to feather format). We can try to speed up the type checks in that
> function.
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