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Posted to dev@hive.apache.org by "Jesus Camacho Rodriguez (JIRA)" <ji...@apache.org> on 2015/04/23 15:48:38 UTC
[jira] [Created] (HIVE-10462) CBO (Calcite Return Path): Exception
thrown in conversion to MapJoin
Jesus Camacho Rodriguez created HIVE-10462:
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Summary: CBO (Calcite Return Path): Exception thrown in conversion to MapJoin
Key: HIVE-10462
URL: https://issues.apache.org/jira/browse/HIVE-10462
Project: Hive
Issue Type: Sub-task
Reporter: Jesus Camacho Rodriguez
Assignee: Jesus Camacho Rodriguez
When the return path is on, the mapjoin conversion optimization fails as some DS in the Join descriptor have not been initialized properly.
The failure can be reproduced with auto_join4.q. In particular, the following Exception is thrown:
{noformat}
org.apache.hadoop.hive.ql.parse.SemanticException: Generate Map Join Task Error: null
at org.apache.hadoop.hive.ql.optimizer.physical.CommonJoinTaskDispatcher.processCurrentTask(CommonJoinTaskDispatcher.java:516)
at org.apache.hadoop.hive.ql.optimizer.physical.AbstractJoinTaskDispatcher.dispatch(AbstractJoinTaskDispatcher.java:179)
at org.apache.hadoop.hive.ql.lib.TaskGraphWalker.dispatch(TaskGraphWalker.java:111)
at org.apache.hadoop.hive.ql.lib.TaskGraphWalker.walk(TaskGraphWalker.java:180)
at org.apache.hadoop.hive.ql.lib.TaskGraphWalker.startWalking(TaskGraphWalker.java:125)
at org.apache.hadoop.hive.ql.optimizer.physical.CommonJoinResolver.resolve(CommonJoinResolver.java:79)
at org.apache.hadoop.hive.ql.optimizer.physical.PhysicalOptimizer.optimize(PhysicalOptimizer.java:107)
at org.apache.hadoop.hive.ql.parse.MapReduceCompiler.optimizeTaskPlan(MapReduceCompiler.java:270)
at org.apache.hadoop.hive.ql.parse.TaskCompiler.compile(TaskCompiler.java:227)
at org.apache.hadoop.hive.ql.parse.SemanticAnalyzer.analyzeInternal(SemanticAnalyzer.java:10084)
at org.apache.hadoop.hive.ql.parse.CalcitePlanner.analyzeInternal(CalcitePlanner.java:203)
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}
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