Github user cloud-fan commented on the issue:
https://github.com/apache/spark/pull/16161
option 1 is better, but this PR only adds the support for
`scala.collection.immutable.Map`, with a very specific way: we can't extend it
to support `scala.collection.mutable.Map` or `List`.
I think we need a general solution to support custom collection type.
---
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]