Shivaram Venkataraman created SPARK-6819:
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Summary: Support nested types in SparkR DataFrame
Key: SPARK-6819
URL: https://issues.apache.org/jira/browse/SPARK-6819
Project: Spark
Issue Type: New Feature
Components: SparkR, SQL
Reporter: Shivaram Venkataraman
ArrayType, MapType and StructureType
We can infer the correct schema for them, but the serialization can not handle
them well.
>From Davies in https://sparkr.atlassian.net/browse/SPARKR-230
ArrayType could be c("ab", "ba"), we will serialize it as character. We does
not support deserialize env in R (serialize Map[] in Scala). So all the three
do not work.
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