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https://issues.apache.org/jira/browse/ARROW-47?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16748499#comment-16748499
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Uwe L. Korn commented on ARROW-47:
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The implementation in https://github.com/apache/arrow/pull/3407/files looks
like a good start. I think we can resolve this issue when the PR is merged. We
probably need to add more scalar types in future, e.g. for strings but the
implementation in the PR looks sufficient at the moment.
> [C++] Consider adding a scalar type object model
> ------------------------------------------------
>
> Key: ARROW-47
> URL: https://issues.apache.org/jira/browse/ARROW-47
> Project: Apache Arrow
> Issue Type: New Feature
> Components: C++
> Reporter: Wes McKinney
> Assignee: Uwe L. Korn
> Priority: Major
> Labels: Analytics
> Fix For: 0.13.0
>
>
> Just did this on the Python side. In later analytics routines, passing in
> scalar values (example: Array + Scalar) requires some kind of container. Some
> systems, like the R language, solve this problem with length-1 arrays, but we
> should do some analysis of use cases and figure out what will work best for
> Arrow.
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