[ https://issues.apache.org/jira/browse/HIVE-10512?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Jesus Camacho Rodriguez updated HIVE-10512: ------------------------------------------- Attachment: HIVE-10512.01.patch [~ashutoshc], thanks for the feedback. You are right, that makes sense; I uploaded a new patch, could you check it? Thanks > CBO (Calcite Return Path): SMBJoin conversion throws ClassCastException > ----------------------------------------------------------------------- > > Key: HIVE-10512 > URL: https://issues.apache.org/jira/browse/HIVE-10512 > Project: Hive > Issue Type: Sub-task > Components: CBO > Reporter: Jesus Camacho Rodriguez > Assignee: Jesus Camacho Rodriguez > Fix For: 1.2.0 > > Attachments: HIVE-10512.01.patch, HIVE-10512.patch > > > When return path is on, SMB conversion is throwing an Exception in some cases. > The problem can be reproduced with auto_join32.q. The Exception with the > following stacktrace is thrown: > {noformat} > java.lang.ClassCastException: org.apache.hadoop.hive.ql.exec.FilterOperator > cannot be cast to org.apache.hadoop.hive.ql.exec.TableScanOperator > at > org.apache.hadoop.hive.ql.parse.TableAccessAnalyzer.genRootTableScan(TableAccessAnalyzer.java:243) > at > org.apache.hadoop.hive.ql.optimizer.AbstractBucketJoinProc.checkConvertBucketMapJoin(AbstractBucketJoinProc.java:226) > at > org.apache.hadoop.hive.ql.optimizer.AbstractSMBJoinProc.canConvertJoinToBucketMapJoin(AbstractSMBJoinProc.java:497) > at > org.apache.hadoop.hive.ql.optimizer.AbstractSMBJoinProc.canConvertJoinToSMBJoin(AbstractSMBJoinProc.java:414) > at > org.apache.hadoop.hive.ql.optimizer.SortedMergeJoinProc.process(SortedMergeJoinProc.java:45) > at > org.apache.hadoop.hive.ql.lib.DefaultRuleDispatcher.dispatch(DefaultRuleDispatcher.java:90) > at > org.apache.hadoop.hive.ql.lib.DefaultGraphWalker.dispatchAndReturn(DefaultGraphWalker.java:95) > at > org.apache.hadoop.hive.ql.lib.DefaultGraphWalker.dispatch(DefaultGraphWalker.java:79) > at > org.apache.hadoop.hive.ql.lib.DefaultGraphWalker.walk(DefaultGraphWalker.java:133) > at > org.apache.hadoop.hive.ql.lib.DefaultGraphWalker.startWalking(DefaultGraphWalker.java:110) > at > org.apache.hadoop.hive.ql.optimizer.SortedMergeBucketMapJoinOptimizer.transform(SortedMergeBucketMapJoinOptimizer.java:109) > at > org.apache.hadoop.hive.ql.optimizer.Optimizer.optimize(Optimizer.java:201) > at > org.apache.hadoop.hive.ql.parse.SemanticAnalyzer.analyzeInternal(SemanticAnalyzer.java:10071) > at > org.apache.hadoop.hive.ql.parse.CalcitePlanner.analyzeInternal(CalcitePlanner.java:204) > at > org.apache.hadoop.hive.ql.parse.BaseSemanticAnalyzer.analyze(BaseSemanticAnalyzer.java:225) > at > org.apache.hadoop.hive.ql.parse.ExplainSemanticAnalyzer.analyzeInternal(ExplainSemanticAnalyzer.java:74) > at > org.apache.hadoop.hive.ql.parse.BaseSemanticAnalyzer.analyze(BaseSemanticAnalyzer.java:225) > ... > {noformat} -- This message was sent by Atlassian JIRA (v6.3.4#6332)