Commits
Eduardo Ponce authored and Antoine Pitrou committed ab50791f37e
ARROW-14203: [C++] Fix description of ExecBatch.length for Scalars in aggregate kernels This PR updates the comment describing the `length` data member of ExecBatch to clarify its possible values when operating on Scalars in (non-)aggregate kernels. Closes #11416 from edponce/ARROW-14203-Fix-description-of-ExecBatch-length-for- Authored-by: Eduardo Ponce <edponce00@gmail.com> Signed-off-by: Antoine Pitrou <antoine@python.org>