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https://issues.apache.org/jira/browse/SPARK-27681?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16838715#comment-16838715
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Marcelo Vanzin commented on SPARK-27681:
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bq. varargs methods in Scala will change their signature as they are
implemented with Seq
Again, why is that a problem? That will only happen in the 2.13 version of
Spark.There are absolutely no backwards binary compatibility guarantees in that
case.
The 2.12 build will keep working just like it does today.
> Use scala.collection.Seq explicitly instead of scala.Seq alias
> --------------------------------------------------------------
>
> Key: SPARK-27681
> URL: https://issues.apache.org/jira/browse/SPARK-27681
> Project: Spark
> Issue Type: Sub-task
> Components: ML, MLlib, Spark Core, SQL, Structured Streaming
> Affects Versions: 3.0.0
> Reporter: Sean Owen
> Assignee: Sean Owen
> Priority: Major
>
> {{scala.Seq}} is widely used in the code, and is an alias for
> {{scala.collection.Seq}} in Scala 2.12. It will become an alias for
> {{scala.collection.immutable.Seq}} in Scala 2.13. To avoid API changes, we
> should simply explicit import and use {{scala.collection.Seq}}.
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