westonpace commented on pull request #12460: URL: https://github.com/apache/arrow/pull/12460#issuecomment-1057562475
> @westonpace Why a `ScalarFunction` and not a `VectorFunction`? I understand the ordering issue, but... > > An `Array` can be: > > * summed up into a single total sum This would be a vector function but we already have this with `sum` right? > > * cumulative sum resulting in an `Array` with partial sums Isn't this a scalar function? I may be misunderstanding the term. My current interpretation is "each row has a single output value". -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected]
