Commits
David Li authored fa6b0aab40e
ARROW-14630: [C++] Fix aggregation over scalar key columns This fixes two issues: - GroupByNode would try to finish its future twice - GroupByNode wouldn't set the length of the key column batch, which broke down when using a scalar column as the key Closes #11640 from lidavidm/arrow-14630 Authored-by: David Li <li.davidm96@gmail.com> Signed-off-by: David Li <li.davidm96@gmail.com>