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https://issues.apache.org/jira/browse/SPARK-32051?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17142000#comment-17142000
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Frank Oosterhuis commented on SPARK-32051:
------------------------------------------
Thanks [~kabhwan], that is really helpful.
{code:java}
spark.range(100)
.repartition(10)
.foreachPartition((part: Iterator[java.lang.Long]) => {
println(part.toList)
})
{code}
It *needs* to be java typed (when it is not a Row). Seperate bug?
> Dataset.foreachPartition returns object
> ---------------------------------------
>
> Key: SPARK-32051
> URL: https://issues.apache.org/jira/browse/SPARK-32051
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Affects Versions: 3.0.0
> Reporter: Frank Oosterhuis
> Priority: Critical
>
> I'm trying to map values from the Dataset[Row], but since 3.0.0 this fails.
> In 3.0.0 I'm dealing with an error: "Error:(28, 38) value map is not a member
> of Object"
>
> This is the simplest code that works in 2.4.x, but fails in 3.0.0:
> {code:scala}
> spark.range(100)
> .repartition(10)
> .foreachPartition(part => println(part.toList))
> {code}
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