wesm commented on pull request #9621: URL: https://github.com/apache/arrow/pull/9621#issuecomment-789380392
Regarding the `HASH_AGGREGATE` function type, one of the inputs on each invocation should be the current hash table cardinality so you do not need to inspect the group ids to infer the cardinality. ---------------------------------------------------------------- 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. For queries about this service, please contact Infrastructure at: us...@infra.apache.org
