[ https://issues.apache.org/jira/browse/SPARK-24500?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Herman van Hovell reassigned SPARK-24500: ----------------------------------------- Assignee: Herman van Hovell > UnsupportedOperationException when trying to execute Union plan with Stream > of children > --------------------------------------------------------------------------------------- > > Key: SPARK-24500 > URL: https://issues.apache.org/jira/browse/SPARK-24500 > Project: Spark > Issue Type: Bug > Components: SQL > Affects Versions: 2.3.0 > Reporter: Bogdan Raducanu > Assignee: Herman van Hovell > Priority: Major > > To reproduce: > {code} > import org.apache.spark.sql.catalyst.plans.logical._ > def range(i: Int) = Range(1, i, 1, 1) > val union = Union(Stream(range(3), range(5), range(7))) > spark.sessionState.planner.plan(union).next().execute() > {code} > produces > {code} > java.lang.UnsupportedOperationException > at > org.apache.spark.sql.execution.PlanLater.doExecute(SparkStrategies.scala:55) > at > org.apache.spark.sql.execution.SparkPlan$$anonfun$execute$1.apply(SparkPlan.scala:131) > at > org.apache.spark.sql.execution.SparkPlan$$anonfun$execute$1.apply(SparkPlan.scala:127) > at > org.apache.spark.sql.execution.SparkPlan$$anonfun$executeQuery$1.apply(SparkPlan.scala:155) > at > org.apache.spark.rdd.RDDOperationScope$.withScope(RDDOperationScope.scala:151) > at > org.apache.spark.sql.execution.SparkPlan.executeQuery(SparkPlan.scala:152) > {code} > The SparkPlan looks like this: > {code} > :- Range (1, 3, step=1, splits=1) > :- PlanLater Range (1, 5, step=1, splits=Some(1)) > +- PlanLater Range (1, 7, step=1, splits=Some(1)) > {code} > So not all of it was planned (some PlanLater still in there). > This appears to be a longstanding issue. > I traced it to the use of var in TreeNode. > For example in mapChildren: > {code} > case args: Traversable[_] => args.map { > case arg: TreeNode[_] if containsChild(arg) => > val newChild = f(arg.asInstanceOf[BaseType]) > if (!(newChild fastEquals arg)) { > changed = true > {code} > If args is a Stream then changed will never be set here, ultimately causing > the method to return the original plan. -- This message was sent by Atlassian JIRA (v7.6.3#76005) --------------------------------------------------------------------- To unsubscribe, e-mail: issues-unsubscr...@spark.apache.org For additional commands, e-mail: issues-h...@spark.apache.org