Sean Zhong created SPARK-16888:
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Summary: 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
Priority: Minor
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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