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https://issues.apache.org/jira/browse/ARROW-4399?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17661421#comment-17661421
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Rok Mihevc commented on ARROW-4399:
-----------------------------------
This issue has been migrated to [issue
#20963|https://github.com/apache/arrow/issues/20963] on GitHub. Please see the
[migration documentation|https://github.com/apache/arrow/issues/14542] for
further details.
> [C++] Remove usage of "extern template class" from NumericArray<T>
> ------------------------------------------------------------------
>
> Key: ARROW-4399
> URL: https://issues.apache.org/jira/browse/ARROW-4399
> Project: Apache Arrow
> Issue Type: Improvement
> Components: C++
> Reporter: Wes McKinney
> Assignee: Wes McKinney
> Priority: Major
> Labels: pull-request-available
> Fix For: 0.13.0
>
> Time Spent: 1h 10m
> Remaining Estimate: 0h
>
> We aren't using this to any benefit right now (only the simple constructor is
> being instantiated once, everything else in inline), and the rules about
> template visibility and linkage vary a lot between compilers, as evidenced by
> patches such as https://github.com/apache/arrow/pull/3503
> In general I think we should try not to use "extern template class" at all in
> the codebase for the problems that come with it
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