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From "Zoltan Haindrich (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-17379) Null Pointer Exception in WHERE clause when using aggregate function as a filter
Date Tue, 26 Jun 2018 09:54:00 GMT

    [ https://issues.apache.org/jira/browse/HIVE-17379?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16523503#comment-16523503
] 

Zoltan Haindrich commented on HIVE-17379:
-----------------------------------------

[~george.pachitariu] have you encountered this problem in a different scenario? (which might
still occur on master?)

> Null Pointer Exception in WHERE clause when using aggregate function as a filter  
> ----------------------------------------------------------------------------------
>
>                 Key: HIVE-17379
>                 URL: https://issues.apache.org/jira/browse/HIVE-17379
>             Project: Hive
>          Issue Type: Bug
>          Components: Query Processor
>    Affects Versions: 2.1.1
>            Reporter: Sharanya Santhanam
>            Priority: Major
>
> Sample Query : 
> with tableAAlias as (
>    select a, count(z)  as acount
>    from tableA
>    groupBy a 
> )
> select a.a, b.b 
> from tableB as b JOIN 
> tableAAlias a
> on a.a=b.a
> where a.acount > 10 
> FAILED: NullPointerException null
> java.lang.NullPointerException
> at org.apache.hadoop.hive.ql.optimizer.ColumnPrunerProcFactory$ColumnPrunerFilterProc.process(ColumnPrunerProcFactory.java:103)
> at org.apache.hadoop.hive.ql.lib.DefaultRuleDispatcher.dispatch(DefaultRuleDispatcher.java:90)
> at org.apache.hadoop.hive.ql.lib.DefaultGraphWalker.dispatchAndReturn(DefaultGraphWalker.java:105)
> at org.apache.hadoop.hive.ql.lib.DefaultGraphWalker.dispatch(DefaultGraphWalker.java:89)
> at org.apache.hadoop.hive.ql.optimizer.ColumnPruner$ColumnPrunerWalker.walk(ColumnPruner.java:176)
> at org.apache.hadoop.hive.ql.lib.DefaultGraphWalker.startWalking(DefaultGraphWalker.java:120)
> at org.apache.hadoop.hive.ql.optimizer.ColumnPruner.transform(ColumnPruner.java:136)
> at org.apache.hadoop.hive.ql.optimizer.Optimizer.optimize(Optimizer.java:246)
> at org.apache.hadoop.hive.ql.parse.SemanticAnalyzer.analyzeInternal(SemanticAnalyzer.java:11149)
> at org.apache.hadoop.hive.ql.parse.CalcitePlanner.analyzeInternal(CalcitePlanner.java:246)
> at org.apache.hadoop.hive.ql.parse.BaseSemanticAnalyzer.analyze(BaseSemanticAnalyzer.java:264)
> at org.apache.hadoop.hive.ql.parse.ExplainSemanticAnalyzer.analyzeInternal(ExplainSemanticAnalyzer.java:80)
> at org.apache.hadoop.hive.ql.parse.BaseSemanticAnalyzer.analyze(BaseSemanticAnalyzer.java:264)
> at org.apache.hadoop.hive.ql.Driver.compile(Driver.java:490)
> at org.apache.hadoop.hive.ql.Driver.compileInternal(Driver.java:1270)
> at org.apache.hadoop.hive.ql.Driver.runInternal(Driver.java:1412)
> at org.apache.hadoop.hive.ql.Driver.run(Driver.java:1199)
> at org.apache.hadoop.hive.ql.Driver.run(Driver.java:1189)
> at org.apache.hadoop.hive.cli.CliDriver.processLocalCmd(CliDriver.java:265)
> at org.apache.hadoop.hive.cli.CliDriver.processCmd(CliDriver.java:210)
> at org.apache.hadoop.hive.cli.CliDriver.processLine(CliDriver.java:444)
> at org.apache.hadoop.hive.cli.CliDriver.processLine(CliDriver.java:376)
> at org.apache.hadoop.hive.cli.CliDriver.processReader(CliDriver.java:474)
> at org.apache.hadoop.hive.cli.CliDriver.processFile(CliDriver.java:514)
> at org.apache.hadoop.hive.cli.CliDriver.executeDriver(CliDriver.java:882)
> at org.apache.hadoop.hive.cli.CliDriver.run(CliDriver.java:836)
> at org.apache.hadoop.hive.cli.CliDriver.main(CliDriver.java:732)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
> at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:606)
> at org.apache.hadoop.util.RunJar.run(RunJar.java:223)
> at org.apache.hadoop.util.RunJar.main(RunJar.java:136)
> The above Query Succeeds if it is modified as : 
> select a.a, b.b , *a.acount*
> from tableB as b JOIN 
> tableAAlias a
> on a.a=b.a
> where a.acount > 10 
> Please Note the original query worked on hive1.2 & breaks on Hive2.1.1 



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