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https://issues.apache.org/jira/browse/SPARK-13609?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15175011#comment-15175011
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Apache Spark commented on SPARK-13609:
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User 'gatorsmile' has created a pull request for this issue:
https://github.com/apache/spark/pull/11460
> Support Column Pruning for MapPartitions
> ----------------------------------------
>
> Key: SPARK-13609
> URL: https://issues.apache.org/jira/browse/SPARK-13609
> Project: Spark
> Issue Type: Sub-task
> Components: SQL
> Affects Versions: 2.0.0
> Reporter: Xiao Li
>
> {code}
> case class OtherTuple(_1: String, _2: Int)
> val ds = Seq(("a", 1, 3), ("b", 2, 4), ("c", 3, 5)).toDS()
> ds.as[OtherTuple].map(identity[OtherTuple]).explain(true)
> {code}
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