[HIVE-17379] Null Pointer Exception in WHERE clause when using aggregate function as a filter

• Type: Bug
• Status: Open
• Priority: Major
• Resolution: Unresolved
• Affects Version/s: 2.1.1
• Component/s: Query Processor
• Assignee: Unassigned
• Reporter: Sharanya Santhanam
• Created: 23/Aug/17 22:25
• Updated: 16/Jul/18 08:58

Description

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