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https://issues.apache.org/jira/browse/HIVE-10273?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Vikram Dixit K updated HIVE-10273:
----------------------------------
Attachment: HIVE-10273.6.patch
Updated to latest trunk. Test failures unrelated.
> Union with partition tables which have no data fails with NPE
> -------------------------------------------------------------
>
> Key: HIVE-10273
> URL: https://issues.apache.org/jira/browse/HIVE-10273
> Project: Hive
> Issue Type: Bug
> Components: Tez
> Affects Versions: 1.2.0
> Reporter: Vikram Dixit K
> Assignee: Vikram Dixit K
> Attachments: HIVE-10273.1.patch, HIVE-10273.2.patch,
> HIVE-10273.3.patch, HIVE-10273.4.patch, HIVE-10273.5.patch, HIVE-10273.6.patch
>
>
> As shown in the test case in the patch below, when we have partitioned tables
> which have no data, we fail with an NPE with the following stack trace:
> {code}
> NullPointerException null
> java.lang.NullPointerException
> at
> org.apache.hadoop.hive.ql.lib.DefaultGraphWalker.walk(DefaultGraphWalker.java:128)
> at
> org.apache.hadoop.hive.ql.lib.DefaultGraphWalker.startWalking(DefaultGraphWalker.java:109)
> at
> org.apache.hadoop.hive.ql.optimizer.physical.Vectorizer$VectorizationDispatcher.validateMapWork(Vectorizer.java:357)
> at
> org.apache.hadoop.hive.ql.optimizer.physical.Vectorizer$VectorizationDispatcher.convertMapWork(Vectorizer.java:321)
> at
> org.apache.hadoop.hive.ql.optimizer.physical.Vectorizer$VectorizationDispatcher.dispatch(Vectorizer.java:307)
> at
> org.apache.hadoop.hive.ql.lib.TaskGraphWalker.dispatch(TaskGraphWalker.java:111)
> at
> org.apache.hadoop.hive.ql.lib.TaskGraphWalker.walk(TaskGraphWalker.java:194)
> at
> org.apache.hadoop.hive.ql.lib.TaskGraphWalker.startWalking(TaskGraphWalker.java:139)
> at
> org.apache.hadoop.hive.ql.optimizer.physical.Vectorizer.resolve(Vectorizer.java:847)
> at
> org.apache.hadoop.hive.ql.parse.TezCompiler.optimizeTaskPlan(TezCompiler.java:468)
> at
> org.apache.hadoop.hive.ql.parse.TaskCompiler.compile(TaskCompiler.java:223)
> at
> org.apache.hadoop.hive.ql.parse.SemanticAnalyzer.analyzeInternal(SemanticAnalyzer.java:10170)
> at
> org.apache.hadoop.hive.ql.parse.BaseSemanticAnalyzer.analyze(BaseSemanticAnalyzer.java:221)
> at
> org.apache.hadoop.hive.ql.parse.ExplainSemanticAnalyzer.analyzeInternal(ExplainSemanticAnalyzer.java:74)
> at
> org.apache.hadoop.hive.ql.parse.BaseSemanticAnalyzer.analyze(BaseSemanticAnalyzer.java:221)
> {code}
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