Github user rxin commented on the pull request:
https://github.com/apache/spark/pull/6405#issuecomment-106126279
Regarding one of your todo: "When detect data types mismatch, we may need
to do type casting(ExpectsInputTypes defines the casting behavior). Should we
generalize it?"
I think it is okay to just have type casting rules for these stuff, similar
to what we do with BinaryExpression.
---
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]
