union with two mapjoin will throw NPE
---------------------------------------
Key: HIVE-2821
URL: https://issues.apache.org/jira/browse/HIVE-2821
Project: Hive
Issue Type: Bug
Affects Versions: 0.7.0
Environment: Linux zongren-VirtualBox 3.0.0-14-generic #23-Ubuntu SMP
Mon Nov 21 20:34:47 UTC 2011 i686 i686 i386 GNU/Linux
java version "1.6.0_25"
hadoop-0.20.2-cdh3u0
hive-0.7.0-cdh3u0
Reporter: caofangkun
Priority: Critical
create table src (key string, value string);
create table src1 (key string, value string);
select count(*) from (
select /+mapjoin(b)/ a.*
from src a
join
src1 b
on a.key=b.key
where a.key=48
union all
select /+mapjoin(bb)/ aa.*
from src aa
join
src1 bb
on aa.key=bb.key
where aa.key=100
) t;
FAILED: Hive Internal Error: java.lang.NullPointerException(null)
java.lang.NullPointerException
at
org.apache.hadoop.hive.ql.optimizer.ppr.PartitionPruner.prune(PartitionPruner.java:156)
at
org.apache.hadoop.hive.ql.optimizer.GenMapRedUtils.setTaskPlan(GenMapRedUtils.java:553)
at
org.apache.hadoop.hive.ql.optimizer.GenMapRedUtils.setTaskPlan(GenMapRedUtils.java:514)
at
org.apache.hadoop.hive.ql.optimizer.GenMapRedUtils.initPlan(GenMapRedUtils.java:125)
at
org.apache.hadoop.hive.ql.optimizer.GenMRRedSink1.process(GenMRRedSink1.java:76)
at
org.apache.hadoop.hive.ql.optimizer.GenMRRedSink3.process(GenMRRedSink3.java:64)
at
org.apache.hadoop.hive.ql.lib.DefaultRuleDispatcher.dispatch(DefaultRuleDispatcher.java:89)
at
org.apache.hadoop.hive.ql.lib.DefaultGraphWalker.dispatch(DefaultGraphWalker.java:88)
at org.apache.hadoop.hive.ql.parse.GenMapRedWalker.walk(GenMapRedWalker.java:55)
at org.apache.hadoop.hive.ql.parse.GenMapRedWalker.walk(GenMapRedWalker.java:67)
at org.apache.hadoop.hive.ql.parse.GenMapRedWalker.walk(GenMapRedWalker.java:67)
at org.apache.hadoop.hive.ql.parse.GenMapRedWalker.walk(GenMapRedWalker.java:67)
at org.apache.hadoop.hive.ql.parse.GenMapRedWalker.walk(GenMapRedWalker.java:67)
at org.apache.hadoop.hive.ql.parse.GenMapRedWalker.walk(GenMapRedWalker.java:67)
at org.apache.hadoop.hive.ql.parse.GenMapRedWalker.walk(GenMapRedWalker.java:67)
at org.apache.hadoop.hive.ql.parse.GenMapRedWalker.walk(GenMapRedWalker.java:67)
at org.apache.hadoop.hive.ql.parse.GenMapRedWalker.walk(GenMapRedWalker.java:67)
at
org.apache.hadoop.hive.ql.lib.DefaultGraphWalker.startWalking(DefaultGraphWalker.java:102)
at
org.apache.hadoop.hive.ql.parse.SemanticAnalyzer.genMapRedTasks(SemanticAnalyzer.java:6946)
at
org.apache.hadoop.hive.ql.parse.SemanticAnalyzer.analyzeInternal(SemanticAnalyzer.java:7247)
at
org.apache.hadoop.hive.ql.parse.BaseSemanticAnalyzer.analyze(BaseSemanticAnalyzer.java:240)
at org.apache.hadoop.hive.ql.Driver.compile(Driver.java:431)
at org.apache.hadoop.hive.ql.Driver.compile(Driver.java:337)
at org.apache.hadoop.hive.ql.Driver.run(Driver.java:904)
at org.apache.hadoop.hive.cli.CliDriver.processLocalCmd(CliDriver.java:279)
at org.apache.hadoop.hive.cli.CliDriver.processCmd(CliDriver.java:228)
at org.apache.hadoop.hive.cli.CliDriver.processLine(CliDriver.java:417)
at org.apache.hadoop.hive.cli.CliDriver.processLine(CliDriver.java:350)
at org.apache.hadoop.hive.cli.CliDriver.processReader(CliDriver.java:451)
at org.apache.hadoop.hive.cli.CliDriver.processFile(CliDriver.java:461)
at org.apache.hadoop.hive.cli.CliDriver.run(CliDriver.java:675)
at org.apache.hadoop.hive.cli.CliDriver.main(CliDriver.java:585)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.apache.hadoop.util.RunJar.main(RunJar.java:186)
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