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https://issues.apache.org/jira/browse/ARROW-711?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Rok Mihevc updated ARROW-711:
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External issue URL: https://github.com/apache/arrow/issues/16330
> [C++] Remove extern template declarations for NumericArray<T> types
> -------------------------------------------------------------------
>
> Key: ARROW-711
> URL: https://issues.apache.org/jira/browse/ARROW-711
> Project: Apache Arrow
> Issue Type: New Feature
> Components: C++
> Reporter: Wes McKinney
> Assignee: Wes McKinney
> Priority: Major
> Fix For: 0.3.0
>
>
> It seems that linkers have diverging semantics around visibility when using
> the {{extern template}} declaration (see linker errors in
> https://ci.appveyor.com/project/ApacheSoftwareFoundation/arrow/build/1.0.841).
> Since the only thing impacted right now is the {{NumericArray<T>}}
> constructor, removing these doesn't seem too onerous. I ran the existing
> benchmarks and looked at the library sizes before and after, and there
> doesn't appear to be a meaningful difference.
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