Commits
Uwe L. Korn authored and Antoine Pitrou committed 3e33688e5f1
ARROW-8571: [C++] Switch AppVeyor image to VS 2017 Closes #7023 from xhochy/ARROW-8571 Authored-by: Uwe L. Korn <uwe.korn@quantco.com> Signed-off-by: Antoine Pitrou <antoine@python.org>