Commits
Dhruv Vats authored and David Li committed 74f512260fa
ARROW-13993: [C++] [Compute] Add hash_one aggregate function Add a hash aggregate function that returns one value from each group. Closes #12368 from dhruv9vats/ARROW-13993 Authored-by: Dhruv Vats <dhruv25vats@gmail.com> Signed-off-by: David Li <li.davidm96@gmail.com>