Wes McKinney created ARROW-711:
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Summary: [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
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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