[
https://issues.apache.org/jira/browse/HIVE-2839?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Navis updated HIVE-2839:
------------------------
Status: Patch Available (was: Open)
> Filters on outer join with mapjoin hint is not applied correctly
> ----------------------------------------------------------------
>
> Key: HIVE-2839
> URL: https://issues.apache.org/jira/browse/HIVE-2839
> Project: Hive
> Issue Type: Bug
> Components: Query Processor
> Reporter: Navis
> Assignee: Navis
> Priority: Minor
> Fix For: 0.9.0
>
> Attachments: HIVE-2839.D2079.1.patch
>
>
> Testing HIVE-2820, I've found some queries with mapjoin hint makes exceptions.
> {code}
> SELECT /*+ MAPJOIN(a) */ * FROM src a RIGHT OUTER JOIN src b on a.key=b.key
> AND true limit 10;
> FAILED: Hive Internal Error:
> java.lang.ClassCastException(org.apache.hadoop.hive.ql.plan.ExprNodeConstantDesc
> cannot be cast to org.apache.hadoop.hive.ql.plan.ExprNodeGenericFuncDesc)
> java.lang.ClassCastException:
> org.apache.hadoop.hive.ql.plan.ExprNodeConstantDesc cannot be cast to
> org.apache.hadoop.hive.ql.plan.ExprNodeGenericFuncDesc
> at
> org.apache.hadoop.hive.ql.optimizer.MapJoinProcessor.convertMapJoin(MapJoinProcessor.java:363)
> at
> org.apache.hadoop.hive.ql.optimizer.MapJoinProcessor.generateMapJoinOperator(MapJoinProcessor.java:483)
> at
> org.apache.hadoop.hive.ql.optimizer.MapJoinProcessor.transform(MapJoinProcessor.java:689)
> at
> org.apache.hadoop.hive.ql.optimizer.Optimizer.optimize(Optimizer.java:87)
> at
> org.apache.hadoop.hive.ql.parse.SemanticAnalyzer.analyzeInternal(SemanticAnalyzer.java:7519)
> at
> org.apache.hadoop.hive.ql.parse.BaseSemanticAnalyzer.analyze(BaseSemanticAnalyzer.java:250)
> at org.apache.hadoop.hive.ql.Driver.compile(Driver.java:431)
> at org.apache.hadoop.hive.ql.Driver.compile(Driver.java:336)
> at org.apache.hadoop.hive.ql.Driver.run(Driver.java:891)
> at
> org.apache.hadoop.hive.cli.CliDriver.processLocalCmd(CliDriver.java:255)
> at org.apache.hadoop.hive.cli.CliDriver.processCmd(CliDriver.java:212)
> at org.apache.hadoop.hive.cli.CliDriver.processLine(CliDriver.java:403)
> at org.apache.hadoop.hive.cli.CliDriver.run(CliDriver.java:671)
> at org.apache.hadoop.hive.cli.CliDriver.main(CliDriver.java:554)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> at java.lang.reflect.Method.invoke(Method.java:597)
> at org.apache.hadoop.util.RunJar.main(RunJar.java:186)
> {code}
> and
> {code}
> SELECT /*+ MAPJOIN(a) */ * FROM src a RIGHT OUTER JOIN src b on a.key=b.key
> AND b.key * 10 < '1000' limit 10;
> java.lang.RuntimeException: org.apache.hadoop.hive.ql.metadata.HiveException
> at org.apache.hadoop.hive.ql.exec.ExecMapper.map(ExecMapper.java:161)
> at org.apache.hadoop.mapred.MapRunner.run(MapRunner.java:50)
> at org.apache.hadoop.mapred.MapTask.runOldMapper(MapTask.java:391)
> at org.apache.hadoop.mapred.MapTask.run(MapTask.java:325)
> at org.apache.hadoop.mapred.Child$4.run(Child.java:270)
> at java.security.AccessController.doPrivileged(Native Method)
> at javax.security.auth.Subject.doAs(Subject.java:416)
> at
> org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1127)
> at org.apache.hadoop.mapred.Child.main(Child.java:264)
> Caused by: org.apache.hadoop.hive.ql.metadata.HiveException
> at
> org.apache.hadoop.hive.ql.exec.MapJoinOperator.loadHashTable(MapJoinOperator.java:198)
> at
> org.apache.hadoop.hive.ql.exec.MapJoinOperator.cleanUpInputFileChangedOp(MapJoinOperator.java:212)
> at
> org.apache.hadoop.hive.ql.exec.Operator.cleanUpInputFileChanged(Operator.java:1321)
> at
> org.apache.hadoop.hive.ql.exec.Operator.cleanUpInputFileChanged(Operator.java:1325)
> at
> org.apache.hadoop.hive.ql.exec.Operator.cleanUpInputFileChanged(Operator.java:1325)
> at
> org.apache.hadoop.hive.ql.exec.MapOperator.process(MapOperator.java:495)
> at org.apache.hadoop.hive.ql.exec.ExecMapper.map(ExecMapper.java:143)
> ... 8 more
> {code}
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