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https://issues.apache.org/jira/browse/ARROW-3767?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17660790#comment-17660790
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Rok Mihevc commented on ARROW-3767:
-----------------------------------
This issue has been migrated to [issue
#20094|https://github.com/apache/arrow/issues/20094] on GitHub. Please see the
[migration documentation|https://github.com/apache/arrow/issues/14542] for
further details.
> [C++] Add cast for Null to any type
> -----------------------------------
>
> Key: ARROW-3767
> URL: https://issues.apache.org/jira/browse/ARROW-3767
> Project: Apache Arrow
> Issue Type: Improvement
> Components: C++
> Reporter: Uwe Korn
> Assignee: Antoine Pitrou
> Priority: Major
> Labels: pull-request-available
> Fix For: 0.14.0
>
> Time Spent: 5h
> Remaining Estimate: 0h
>
> Casting a column from NullType to any other type is possible as the resulting
> array will also be all-null but simply with a different type annotation.
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