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https://issues.apache.org/jira/browse/SPARK-32051?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17143001#comment-17143001
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Frank Oosterhuis commented on SPARK-32051:
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Looks like a similar conflict happens with Dataset.foreach.
{code:java}
Error:(22, 8) overloaded method value foreach with alternatives:
(func:
org.apache.spark.api.java.function.ForeachFunction[org.apache.spark.sql.Row])Unit
<and>
(f: org.apache.spark.sql.Row => Unit)Unit
cannot be applied to (org.apache.spark.sql.Row =>
org.apache.spark.sql.DataFrame)
.foreach((r : Row) => {
{code}
Workaround *.foreach((r: Row) =>* does not work here.
> 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
> Fix For: 3.0.1, 3.1.0
>
>
> 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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