Github user marmbrus commented on the pull request:
https://github.com/apache/spark/pull/4530#issuecomment-73934772
Hive isn't even consistent across versions for this...
Also, SQL has a well defined concept for data missing, `null`. Given that,
I don't think we should use a sentinel string value.
---
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.
---
---------------------------------------------------------------------
To unsubscribe, e-mail: [email protected]
For additional commands, e-mail: [email protected]
