Github user ueshin commented on the pull request:
https://github.com/apache/spark/pull/893#issuecomment-44367561
@rxin Thanks!
But notice that current `CountDistinctFunction` uses `HashSet` to count and
its `size` is limited in `Int` range, so the problem @ash211 said still exists
in `CountDistinct`.
It might be another issue.
---
If your project is set up for it, you can reply to this email and have your
reply appear on GitHub as well. If your project does not have this feature
enabled and wishes so, or if the feature is enabled but not working, please
contact infrastructure at [email protected] or file a JIRA ticket
with INFRA.
---
