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Apache Spark commented on SPARK-34354: -------------------------------------- User 'Ngone51' has created a pull request for this issue: https://github.com/apache/spark/pull/32027 > CostBasedJoinReorder can fail on self-join > ------------------------------------------ > > Key: SPARK-34354 > URL: https://issues.apache.org/jira/browse/SPARK-34354 > Project: Spark > Issue Type: Bug > Components: SQL > Affects Versions: 3.2.0 > Reporter: wuyi > Priority: Major > > > For example: > {code:java} > test("join reorder with self-join") { > val plan = t2.join(t1, Inner, Some(nameToAttr("t1.k-1-2") === > nameToAttr("t2.k-1-5"))) > .select(nameToAttr("t1.v-1-10")) > .join(t2, Inner, Some(nameToAttr("t1.v-1-10") === nameToAttr("t2.k-1-5"))) > // this can fail > Optimize.execute(plan.analyze) > } > {code} > error: > {code:java} > [info] java.lang.AssertionError: assertion failed > [info] at scala.Predef$.assert(Predef.scala:208) > [info] at > org.apache.spark.sql.catalyst.optimizer.JoinReorderDP$.search(CostBasedJoinReorder.scala:178) > [info] at > org.apache.spark.sql.catalyst.optimizer.CostBasedJoinReorder$.org$apache$spark$sql$catalyst$optimizer$CostBasedJoinReorder$$reorder(CostBasedJoinReorder.scala:64) > [info] at > org.apache.spark.sql.catalyst.optimizer.CostBasedJoinReorder$$anonfun$1.applyOrElse(CostBasedJoinReorder.scala:45) > [info] at > org.apache.spark.sql.catalyst.optimizer.CostBasedJoinReorder$$anonfun$1.applyOrElse(CostBasedJoinReorder.scala:41) > [info] at > org.apache.spark.sql.catalyst.trees.TreeNode.$anonfun$transformDown$1(TreeNode.scala:317) > [info] at > org.apache.spark.sql.catalyst.trees.CurrentOrigin$.withOrigin(TreeNode.scala:73) > [info] at > org.apache.spark.sql.catalyst.trees.TreeNode.transformDown(TreeNode.scala:317) > [info] at > org.apache.spark.sql.catalyst.plans.logical.LogicalPlan.org$apache$spark$sql$catalyst$plans$logical$AnalysisHelper$$super$transformDown(LogicalPlan.scala:29) > [info] at > org.apache.spark.sql.catalyst.plans.logical.AnalysisHelper.transformDown(AnalysisHelper.scala:171) > [info] at > org.apache.spark.sql.catalyst.plans.logical.AnalysisHelper.transformDown$(AnalysisHelper.scala:169) > [info] at > org.apache.spark.sql.catalyst.plans.logical.LogicalPlan.transformDown(LogicalPlan.scala:29) > [info] at > org.apache.spark.sql.catalyst.optimizer.CostBasedJoinReorder$.apply(CostBasedJoinReorder.scala:41) > [info] at > org.apache.spark.sql.catalyst.optimizer.CostBasedJoinReorder$.apply(CostBasedJoinReorder.scala:35) > {code} > -- This message was sent by Atlassian Jira (v8.3.4#803005) --------------------------------------------------------------------- To unsubscribe, e-mail: issues-unsubscr...@spark.apache.org For additional commands, e-mail: issues-h...@spark.apache.org