[ https://issues.apache.org/jira/browse/SPARK-6247?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Michael Armbrust updated SPARK-6247: ------------------------------------ Priority: Critical (was: Major) > Certain self joins cannot be analyzed > ------------------------------------- > > Key: SPARK-6247 > URL: https://issues.apache.org/jira/browse/SPARK-6247 > Project: Spark > Issue Type: Bug > Components: SQL > Reporter: Yin Huai > Priority: Critical > > When you try the following code > {code} > val df = > (1 to 10) > .map(i => (i, i.toDouble, i.toLong, i.toString, i.toString)) > .toDF("intCol", "doubleCol", "longCol", "stringCol1", "stringCol2") > df.registerTempTable("test") > sql( > """ > |SELECT x.stringCol2, avg(y.intCol), sum(x.doubleCol) > |FROM test x JOIN test y ON (x.stringCol1 = y.stringCol1) > |GROUP BY x.stringCol2 > """.stripMargin).explain() > {code} > The following exception will be thrown. > {code} > [info] java.util.NoSuchElementException: next on empty iterator > [info] at scala.collection.Iterator$$anon$2.next(Iterator.scala:39) > [info] at scala.collection.Iterator$$anon$2.next(Iterator.scala:37) > [info] at > scala.collection.IndexedSeqLike$Elements.next(IndexedSeqLike.scala:64) > [info] at scala.collection.IterableLike$class.head(IterableLike.scala:91) > [info] at > scala.collection.mutable.ArrayBuffer.scala$collection$IndexedSeqOptimized$$super$head(ArrayBuffer.scala:47) > [info] at > scala.collection.IndexedSeqOptimized$class.head(IndexedSeqOptimized.scala:120) > [info] at scala.collection.mutable.ArrayBuffer.head(ArrayBuffer.scala:47) > [info] at > org.apache.spark.sql.catalyst.analysis.Analyzer$ResolveReferences$$anonfun$apply$7.applyOrElse(Analyzer.scala:247) > [info] at > org.apache.spark.sql.catalyst.analysis.Analyzer$ResolveReferences$$anonfun$apply$7.applyOrElse(Analyzer.scala:197) > [info] at > org.apache.spark.sql.catalyst.trees.TreeNode$$anonfun$transformUp$1.apply(TreeNode.scala:250) > [info] at > org.apache.spark.sql.catalyst.trees.TreeNode$$anonfun$transformUp$1.apply(TreeNode.scala:250) > [info] at > org.apache.spark.sql.catalyst.trees.CurrentOrigin$.withOrigin(TreeNode.scala:50) > [info] at > org.apache.spark.sql.catalyst.trees.TreeNode.transformUp(TreeNode.scala:249) > [info] at > org.apache.spark.sql.catalyst.trees.TreeNode$$anonfun$5.apply(TreeNode.scala:263) > [info] at scala.collection.Iterator$$anon$11.next(Iterator.scala:328) > [info] at scala.collection.Iterator$class.foreach(Iterator.scala:727) > [info] at scala.collection.AbstractIterator.foreach(Iterator.scala:1157) > [info] at > scala.collection.generic.Growable$class.$plus$plus$eq(Growable.scala:48) > [info] at > scala.collection.mutable.ArrayBuffer.$plus$plus$eq(ArrayBuffer.scala:103) > [info] at > scala.collection.mutable.ArrayBuffer.$plus$plus$eq(ArrayBuffer.scala:47) > [info] at > scala.collection.TraversableOnce$class.to(TraversableOnce.scala:273) > [info] at scala.collection.AbstractIterator.to(Iterator.scala:1157) > [info] at > scala.collection.TraversableOnce$class.toBuffer(TraversableOnce.scala:265) > [info] at scala.collection.AbstractIterator.toBuffer(Iterator.scala:1157) > [info] at > scala.collection.TraversableOnce$class.toArray(TraversableOnce.scala:252) > [info] at scala.collection.AbstractIterator.toArray(Iterator.scala:1157) > [info] at > org.apache.spark.sql.catalyst.trees.TreeNode.transformChildrenUp(TreeNode.scala:292) > [info] at > org.apache.spark.sql.catalyst.trees.TreeNode.transformUp(TreeNode.scala:247) > [info] at > org.apache.spark.sql.catalyst.analysis.Analyzer$ResolveReferences$.apply(Analyzer.scala:197) > [info] at > org.apache.spark.sql.catalyst.analysis.Analyzer$ResolveReferences$.apply(Analyzer.scala:196) > [info] at > org.apache.spark.sql.catalyst.rules.RuleExecutor$$anonfun$apply$1$$anonfun$apply$2.apply(RuleExecutor.scala:61) > [info] at > org.apache.spark.sql.catalyst.rules.RuleExecutor$$anonfun$apply$1$$anonfun$apply$2.apply(RuleExecutor.scala:59) > [info] at > scala.collection.LinearSeqOptimized$class.foldLeft(LinearSeqOptimized.scala:111) > [info] at scala.collection.immutable.List.foldLeft(List.scala:84) > [info] at > org.apache.spark.sql.catalyst.rules.RuleExecutor$$anonfun$apply$1.apply(RuleExecutor.scala:59) > [info] at > org.apache.spark.sql.catalyst.rules.RuleExecutor$$anonfun$apply$1.apply(RuleExecutor.scala:51) > [info] at scala.collection.immutable.List.foreach(List.scala:318) > [info] at > org.apache.spark.sql.catalyst.rules.RuleExecutor.apply(RuleExecutor.scala:51) > [info] at > org.apache.spark.sql.SQLContext$QueryExecution.analyzed$lzycompute(SQLContext.scala:1071) > [info] at > org.apache.spark.sql.SQLContext$QueryExecution.analyzed(SQLContext.scala:1071) > [info] at > org.apache.spark.sql.SQLContext$QueryExecution.assertAnalyzed(SQLContext.scala:1069) > [info] at org.apache.spark.sql.DataFrame.<init>(DataFrame.scala:133) > [info] at org.apache.spark.sql.DataFrame$.apply(DataFrame.scala:51) > [info] at org.apache.spark.sql.SQLContext.sql(SQLContext.scala:915) > [info] at > org.apache.spark.serializer.SparkSqlSerializer2Suite$$anonfun$2.apply$mcV$sp(SparkSqlSerializer2Suite.scala:66) > [info] at > org.apache.spark.serializer.SparkSqlSerializer2Suite$$anonfun$2.apply(SparkSqlSerializer2Suite.scala:48) > [info] at > org.apache.spark.serializer.SparkSqlSerializer2Suite$$anonfun$2.apply(SparkSqlSerializer2Suite.scala:48) > [info] at > org.scalatest.Transformer$$anonfun$apply$1.apply$mcV$sp(Transformer.scala:22) > [info] at org.scalatest.OutcomeOf$class.outcomeOf(OutcomeOf.scala:85) > [info] at org.scalatest.OutcomeOf$.outcomeOf(OutcomeOf.scala:104) > [info] at org.scalatest.Transformer.apply(Transformer.scala:22) > [info] at org.scalatest.Transformer.apply(Transformer.scala:20) > [info] at org.scalatest.FunSuiteLike$$anon$1.apply(FunSuiteLike.scala:166) > [info] at org.scalatest.Suite$class.withFixture(Suite.scala:1122) > [info] at org.scalatest.FunSuite.withFixture(FunSuite.scala:1555) > [info] at > org.scalatest.FunSuiteLike$class.invokeWithFixture$1(FunSuiteLike.scala:163) > [info] at > org.scalatest.FunSuiteLike$$anonfun$runTest$1.apply(FunSuiteLike.scala:175) > [info] at > org.scalatest.FunSuiteLike$$anonfun$runTest$1.apply(FunSuiteLike.scala:175) > [info] at org.scalatest.SuperEngine.runTestImpl(Engine.scala:306) > [info] at org.scalatest.FunSuiteLike$class.runTest(FunSuiteLike.scala:175) > [info] at org.scalatest.FunSuite.runTest(FunSuite.scala:1555) > [info] at > org.scalatest.FunSuiteLike$$anonfun$runTests$1.apply(FunSuiteLike.scala:208) > [info] at > org.scalatest.FunSuiteLike$$anonfun$runTests$1.apply(FunSuiteLike.scala:208) > [info] at > org.scalatest.SuperEngine$$anonfun$traverseSubNodes$1$1.apply(Engine.scala:413) > [info] at > org.scalatest.SuperEngine$$anonfun$traverseSubNodes$1$1.apply(Engine.scala:401) > [info] at scala.collection.immutable.List.foreach(List.scala:318) > [info] at org.scalatest.SuperEngine.traverseSubNodes$1(Engine.scala:401) > [info] at > org.scalatest.SuperEngine.org$scalatest$SuperEngine$$runTestsInBranch(Engine.scala:396) > [info] at org.scalatest.SuperEngine.runTestsImpl(Engine.scala:483) > [info] at org.scalatest.FunSuiteLike$class.runTests(FunSuiteLike.scala:208) > [info] at org.scalatest.FunSuite.runTests(FunSuite.scala:1555) > [info] at org.scalatest.Suite$class.run(Suite.scala:1424) > [info] at > org.scalatest.FunSuite.org$scalatest$FunSuiteLike$$super$run(FunSuite.scala:1555) > [info] at > org.scalatest.FunSuiteLike$$anonfun$run$1.apply(FunSuiteLike.scala:212) > [info] at > org.scalatest.FunSuiteLike$$anonfun$run$1.apply(FunSuiteLike.scala:212) > [info] at org.scalatest.SuperEngine.runImpl(Engine.scala:545) > [info] at org.scalatest.FunSuiteLike$class.run(FunSuiteLike.scala:212) > [info] at org.scalatest.FunSuite.run(FunSuite.scala:1555) > [info] at > org.scalatest.tools.Framework.org$scalatest$tools$Framework$$runSuite(Framework.scala:462) > [info] at > org.scalatest.tools.Framework$ScalaTestTask.execute(Framework.scala:671) > [info] at sbt.ForkMain$Run$2.call(ForkMain.java:294) > [info] at sbt.ForkMain$Run$2.call(ForkMain.java:284) > [info] at java.util.concurrent.FutureTask.run(FutureTask.java:262) > [info] at > java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) > [info] at > java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) > [info] at java.lang.Thread.run(Thread.java:745) > {code} -- This message was sent by Atlassian JIRA (v6.3.4#6332) --------------------------------------------------------------------- To unsubscribe, e-mail: issues-unsubscr...@spark.apache.org For additional commands, e-mail: issues-h...@spark.apache.org