Commits
crystrix authored and David Li committed eee9df5b4f1
ARROW-13016: [C++][Compute] Support Null type in Sum/Mean aggregation The Sum/Mean of a Null type array is a Null type scalar. Closes #10486 from Crystrix/arrow-13016 Authored-by: crystrix <chenxi.li@live.com> Signed-off-by: David Li <li.davidm96@gmail.com>