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https://issues.apache.org/jira/browse/ARROW-2838?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17659863#comment-17659863
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Rok Mihevc commented on ARROW-2838:
-----------------------------------
This issue has been migrated to [issue
#19214|https://github.com/apache/arrow/issues/19214] on GitHub. Please see the
[migration documentation|https://github.com/apache/arrow/issues/14542] for
further details.
> [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: 40m
> 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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