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Posted to issues@arrow.apache.org by "Wes McKinney (JIRA)" <ji...@apache.org> on 2019/04/30 14:04:00 UTC

[jira] [Commented] (ARROW-5242) [C++] Arrow doesn't compile cleanly with Visual Studio 2017 Update 9 or later due to narrowing

    [ https://issues.apache.org/jira/browse/ARROW-5242?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16830328#comment-16830328 ] 

Wes McKinney commented on ARROW-5242:
-------------------------------------

See PR about this https://github.com/apache/arrow/pull/4213

> [C++] Arrow doesn't compile cleanly with Visual Studio 2017 Update 9 or later due to narrowing
> ----------------------------------------------------------------------------------------------
>
>                 Key: ARROW-5242
>                 URL: https://issues.apache.org/jira/browse/ARROW-5242
>             Project: Apache Arrow
>          Issue Type: Bug
>          Components: C++
>            Reporter: Billy Robert O'Neal III
>            Priority: Major
>
> The std::string constructor call here is narrowing wchar_t to char, which emits warning C4244 on current releases of Visual Studio: [https://github.com/apache/arrow/blob/master/cpp/src/arrow/vendored/datetime/tz.cpp#L205]



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