Github user sun-rui commented on the pull request:
https://github.com/apache/spark/pull/8276#issuecomment-132478924
@shivaram, now ArrayType in a DataFrame is still not supported, as
ArrayType's class is something like
scala.collection.mutable.WrappedArray$ofRef, it will be passed as a jobj to R
side. So some conversion needs to be done to covert it to Java Array, so that
SerDe can pass its content to R side. I planned to do it in another PR as
https://issues.apache.org/jira/browse/SPARK-10049, do you want me to do it in
this PR?
As for SPARK-9302, it needs support for both ArrayType and StructType. Once
these two types are supported, it should be fixed.
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