Jesus Camacho Rodriguez created HIVE-19419:
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Summary: SharedScanOptimizer may leave unnecessary operators in
the plan
Key: HIVE-19419
URL: https://issues.apache.org/jira/browse/HIVE-19419
Project: Hive
Issue Type: Bug
Components: Physical Optimizer
Affects Versions: 3.0.0
Reporter: Jesus Camacho Rodriguez
Assignee: Jesus Camacho Rodriguez
Due to the interaction with branches created by semijoin reduction. In turn,
this can lead to errors such as:
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2018-05-03T21:19:41,277 INFO [8d6a552a-b62f-44a4-bdb4-afc2e810ae56
HiveServer2-Handler-Pool: Thread-139]: physical.Vectorizer
(Vectorizer.java:walkStackToFindVectorizationContext(1260)) -
walkStackToFindVectorizationContext RS has new vectorization context Context
name GBY, level 0, sorted projectionColumnMap {0=_col0}, scratchColumnTypeNames
[]
2018-05-03T21:19:41,278 ERROR [8d6a552a-b62f-44a4-bdb4-afc2e810ae56
HiveServer2-Handler-Pool: Thread-139]: ql.Driver
(SessionState.java:printError(1220)) - FAILED: SemanticException
org.apache.hadoop.hive.ql.metadata.HiveException:
java.lang.reflect.InvocationTargetException
org.apache.hadoop.hive.ql.parse.SemanticException:
org.apache.hadoop.hive.ql.metadata.HiveException:
java.lang.reflect.InvocationTargetException
at
org.apache.hadoop.hive.ql.optimizer.physical.Vectorizer$VectorizationNodeProcessor.doVectorize(Vectorizer.java:1285)
at
org.apache.hadoop.hive.ql.optimizer.physical.Vectorizer$MapWorkVectorizationNodeProcessor.process(Vectorizer.java:1346)
at
org.apache.hadoop.hive.ql.lib.DefaultRuleDispatcher.dispatch(DefaultRuleDispatcher.java:90)
at
org.apache.hadoop.hive.ql.lib.DefaultGraphWalker.dispatchAndReturn(DefaultGraphWalker.java:105)
at
org.apache.hadoop.hive.ql.lib.DefaultGraphWalker.dispatch(DefaultGraphWalker.java:89)
at
org.apache.hadoop.hive.ql.lib.PreOrderOnceWalker.walk(PreOrderOnceWalker.java:43)
at
org.apache.hadoop.hive.ql.lib.PreOrderOnceWalker.walk(PreOrderOnceWalker.java:54)
at
org.apache.hadoop.hive.ql.lib.PreOrderOnceWalker.walk(PreOrderOnceWalker.java:54)
at
org.apache.hadoop.hive.ql.lib.PreOrderOnceWalker.walk(PreOrderOnceWalker.java:54)
at
org.apache.hadoop.hive.ql.lib.PreOrderOnceWalker.walk(PreOrderOnceWalker.java:54)
at
org.apache.hadoop.hive.ql.lib.PreOrderOnceWalker.walk(PreOrderOnceWalker.java:54)
at
org.apache.hadoop.hive.ql.lib.PreOrderOnceWalker.walk(PreOrderOnceWalker.java:54)
at
org.apache.hadoop.hive.ql.lib.DefaultGraphWalker.startWalking(DefaultGraphWalker.java:120)
at
org.apache.hadoop.hive.ql.optimizer.physical.Vectorizer$VectorizationDispatcher.vectorizeMapWork(Vectorizer.java:955)
at
org.apache.hadoop.hive.ql.optimizer.physical.Vectorizer$VectorizationDispatcher.convertMapWork(Vectorizer.java:514)
at
org.apache.hadoop.hive.ql.optimizer.physical.Vectorizer$VectorizationDispatcher.dispatch(Vectorizer.java:485)
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.Vectorizer.resolve(Vectorizer.java:1495)
at
org.apache.hadoop.hive.ql.parse.TezCompiler.optimizeTaskPlan(TezCompiler.java:644)
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