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https://issues.apache.org/jira/browse/ARROW-7071?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16972142#comment-16972142
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Uwe Korn commented on ARROW-7071:
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API-wise I would prefer Wes' suggestion. I have had the use case before that I
need to use a different validity bitmap but in my case I only added nulls and
didn't expose undefined values.
> [Python] Add Array convenience method to create "masked" view with different
> validity bitmap
> --------------------------------------------------------------------------------------------
>
> Key: ARROW-7071
> URL: https://issues.apache.org/jira/browse/ARROW-7071
> Project: Apache Arrow
> Issue Type: Improvement
> Components: Python
> Reporter: Wes McKinney
> Priority: Major
> Fix For: 1.0.0
>
>
> NB: I'm not sure what kind of pitfalls there might be if replacing an
> existing validity bitmap and exposing some previously-null values
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