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https://issues.apache.org/jira/browse/ARROW-9489?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17229986#comment-17229986
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Joris Van den Bossche commented on ARROW-9489:
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For full coverage of pandas functionality, a {{(array[string], array[string])}}
signature would also be interesting: pandas allows to fill with an array,
taking the corresponding value of the second array where the first array has a
null.
(but certainly less of a priority)
> [C++] Add fill_null kernel implementation for (array[string], scalar[string])
> -----------------------------------------------------------------------------
>
> Key: ARROW-9489
> URL: https://issues.apache.org/jira/browse/ARROW-9489
> Project: Apache Arrow
> Issue Type: Improvement
> Components: C++
> Reporter: Uwe Korn
> Assignee: Maarten Breddels
> Priority: Major
> Labels: pull-request-available
> Fix For: 3.0.0
>
> Time Spent: 1.5h
> Remaining Estimate: 0h
>
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