Weichen Xu created SPARK-17540:
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Summary: SparkR array serde cannot work correctly when array
length == 0
Key: SPARK-17540
URL: https://issues.apache.org/jira/browse/SPARK-17540
Project: Spark
Issue Type: Bug
Components: Spark Core, SparkR
Affects Versions: 2.1.0
Reporter: Weichen Xu
SparkR cannot handle array serde when array length == 0
when length = 0
R side set the element type as class("somestring")
so that scala side code receive it as a string array,
but the array we need to transfer may be other types,
it will cause problem.
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