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https://issues.apache.org/jira/browse/SPARK-16888?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Wenchen Fan updated SPARK-16888:
--------------------------------
Assignee: Sean Zhong
> Implements eval method for expression AssertNotNull
> ---------------------------------------------------
>
> Key: SPARK-16888
> URL: https://issues.apache.org/jira/browse/SPARK-16888
> Project: Spark
> Issue Type: Improvement
> Reporter: Sean Zhong
> Assignee: Sean Zhong
> Priority: Minor
> Fix For: 2.1.0
>
>
> We should support eval() method for expression AssertNotNull
> Currently, it reports UnsupportedOperationException when used in projection
> of LocalRelation.
> {code}
> scala> import org.apache.spark.sql.catalyst.dsl.expressions._
> scala> import org.apache.spark.sql.catalyst.expressions.objects.AssertNotNull
> scala> import org.apache.spark.sql.Column
> scala> case class A(a: Int)
> scala> Seq((A(1),2)).toDS().select(new Column(AssertNotNull("_1".attr,
> Nil))).explain
> java.lang.UnsupportedOperationException: Only code-generated evaluation is
> supported.
> at
> org.apache.spark.sql.catalyst.expressions.objects.AssertNotNull.eval(objects.scala:850)
> ...
> {code}
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