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

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 0.14.0
• Component/s: C++
• Labels: pull-request-available
• External issue URL: https://github.com/apache/arrow/pull/4213
• Assignee: Billy Robert O'Neal III
• Reporter: Billy Robert O'Neal III
• Created: 30/Apr/19 03:14
• Updated: 11/Jan/23 07:39
• Resolved: 13/Jun/19 14:34

Description

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

Issue Links

• links to: GitHub Pull Request #4213
• links to: GitHub Pull Request #4520