[
https://issues.apache.org/jira/browse/HIVE-7398?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Navis updated HIVE-7398:
------------------------
Description:
{code}
set hive.optimize.correlation=true;
explain
select b.key, count(*)
from src b
group by b.key
having exists
(select a.key
from src a
where a.key = b.key and a.value > 'val_9'
);
{code}
One of the parent of Mux is final type GBY, but it's regarded as one for
semi-join and removed, throwing exception,
{noformat}
java.lang.IndexOutOfBoundsException: Index: 0, Size: 0
at java.util.ArrayList.RangeCheck(ArrayList.java:547)
at java.util.ArrayList.get(ArrayList.java:322)
at
org.apache.hadoop.hive.ql.optimizer.GenMRRedSink2.process(GenMRRedSink2.java:58)
at
org.apache.hadoop.hive.ql.lib.DefaultRuleDispatcher.dispatch(DefaultRuleDispatcher.java:90)
at
org.apache.hadoop.hive.ql.lib.DefaultGraphWalker.dispatchAndReturn(DefaultGraphWalker.java:94)
at
org.apache.hadoop.hive.ql.parse.GenMapRedWalker.walk(GenMapRedWalker.java:54)
at
org.apache.hadoop.hive.ql.parse.GenMapRedWalker.walk(GenMapRedWalker.java:65)
at
org.apache.hadoop.hive.ql.parse.GenMapRedWalker.walk(GenMapRedWalker.java:65)
at
org.apache.hadoop.hive.ql.parse.GenMapRedWalker.walk(GenMapRedWalker.java:65)
at
org.apache.hadoop.hive.ql.parse.GenMapRedWalker.walk(GenMapRedWalker.java:65)
at
org.apache.hadoop.hive.ql.parse.GenMapRedWalker.walk(GenMapRedWalker.java:65)
at
org.apache.hadoop.hive.ql.parse.GenMapRedWalker.walk(GenMapRedWalker.java:65)
at
org.apache.hadoop.hive.ql.lib.DefaultGraphWalker.startWalking(DefaultGraphWalker.java:109)
at
org.apache.hadoop.hive.ql.parse.MapReduceCompiler.generateTaskTree(MapReduceCompiler.java:325)
at
org.apache.hadoop.hive.ql.parse.TaskCompiler.compile(TaskCompiler.java:199)
at
org.apache.hadoop.hive.ql.parse.SemanticAnalyzer.analyzeInternal(SemanticAnalyzer.java:9523)
at
org.apache.hadoop.hive.ql.parse.BaseSemanticAnalyzer.analyze(BaseSemanticAnalyzer.java:328)
at
org.apache.hadoop.hive.ql.parse.ExplainSemanticAnalyzer.analyzeInternal(ExplainSemanticAnalyzer.java:74)
at
org.apache.hadoop.hive.ql.parse.BaseSemanticAnalyzer.analyze(BaseSemanticAnalyzer.java:328)
at org.apache.hadoop.hive.ql.Driver.compile(Driver.java:411)
at org.apache.hadoop.hive.ql.Driver.compile(Driver.java:307)
at org.apache.hadoop.hive.ql.Driver.compileInternal(Driver.java:960)
at org.apache.hadoop.hive.ql.Driver.runInternal(Driver.java:1025)
at org.apache.hadoop.hive.ql.Driver.run(Driver.java:897)
at org.apache.hadoop.hive.ql.Driver.run(Driver.java:887)
at
org.apache.hadoop.hive.cli.CliDriver.processLocalCmd(CliDriver.java:265)
at org.apache.hadoop.hive.cli.CliDriver.processCmd(CliDriver.java:217)
at org.apache.hadoop.hive.cli.CliDriver.processLine(CliDriver.java:427)
at
org.apache.hadoop.hive.cli.CliDriver.executeDriver(CliDriver.java:800)
at org.apache.hadoop.hive.cli.CliDriver.run(CliDriver.java:694)
at org.apache.hadoop.hive.cli.CliDriver.main(CliDriver.java:633)
{noformat}
was:
{code}
set hive.optimize.correlation=true;
explain
select b.key, count(*)
from src b
group by b.key
having exists
(select a.key
from src a
where a.key = b.key and a.value > 'val_9'
);
{code}
One of the parent of Mux is final type GBY, but it's regarded as one for
semi-join and removed.
> Parent GBY of MUX is removed even it's not for semijoin
> -------------------------------------------------------
>
> Key: HIVE-7398
> URL: https://issues.apache.org/jira/browse/HIVE-7398
> Project: Hive
> Issue Type: Sub-task
> Components: Query Processor
> Reporter: Navis
> Assignee: Navis
>
> {code}
> set hive.optimize.correlation=true;
> explain
> select b.key, count(*)
> from src b
> group by b.key
> having exists
> (select a.key
> from src a
> where a.key = b.key and a.value > 'val_9'
> );
> {code}
> One of the parent of Mux is final type GBY, but it's regarded as one for
> semi-join and removed, throwing exception,
> {noformat}
> java.lang.IndexOutOfBoundsException: Index: 0, Size: 0
> at java.util.ArrayList.RangeCheck(ArrayList.java:547)
> at java.util.ArrayList.get(ArrayList.java:322)
> at
> org.apache.hadoop.hive.ql.optimizer.GenMRRedSink2.process(GenMRRedSink2.java:58)
> at
> org.apache.hadoop.hive.ql.lib.DefaultRuleDispatcher.dispatch(DefaultRuleDispatcher.java:90)
> at
> org.apache.hadoop.hive.ql.lib.DefaultGraphWalker.dispatchAndReturn(DefaultGraphWalker.java:94)
> at
> org.apache.hadoop.hive.ql.parse.GenMapRedWalker.walk(GenMapRedWalker.java:54)
> at
> org.apache.hadoop.hive.ql.parse.GenMapRedWalker.walk(GenMapRedWalker.java:65)
> at
> org.apache.hadoop.hive.ql.parse.GenMapRedWalker.walk(GenMapRedWalker.java:65)
> at
> org.apache.hadoop.hive.ql.parse.GenMapRedWalker.walk(GenMapRedWalker.java:65)
> at
> org.apache.hadoop.hive.ql.parse.GenMapRedWalker.walk(GenMapRedWalker.java:65)
> at
> org.apache.hadoop.hive.ql.parse.GenMapRedWalker.walk(GenMapRedWalker.java:65)
> at
> org.apache.hadoop.hive.ql.parse.GenMapRedWalker.walk(GenMapRedWalker.java:65)
> at
> org.apache.hadoop.hive.ql.lib.DefaultGraphWalker.startWalking(DefaultGraphWalker.java:109)
> at
> org.apache.hadoop.hive.ql.parse.MapReduceCompiler.generateTaskTree(MapReduceCompiler.java:325)
> at
> org.apache.hadoop.hive.ql.parse.TaskCompiler.compile(TaskCompiler.java:199)
> at
> org.apache.hadoop.hive.ql.parse.SemanticAnalyzer.analyzeInternal(SemanticAnalyzer.java:9523)
> at
> org.apache.hadoop.hive.ql.parse.BaseSemanticAnalyzer.analyze(BaseSemanticAnalyzer.java:328)
> at
> org.apache.hadoop.hive.ql.parse.ExplainSemanticAnalyzer.analyzeInternal(ExplainSemanticAnalyzer.java:74)
> at
> org.apache.hadoop.hive.ql.parse.BaseSemanticAnalyzer.analyze(BaseSemanticAnalyzer.java:328)
> at org.apache.hadoop.hive.ql.Driver.compile(Driver.java:411)
> at org.apache.hadoop.hive.ql.Driver.compile(Driver.java:307)
> at org.apache.hadoop.hive.ql.Driver.compileInternal(Driver.java:960)
> at org.apache.hadoop.hive.ql.Driver.runInternal(Driver.java:1025)
> at org.apache.hadoop.hive.ql.Driver.run(Driver.java:897)
> at org.apache.hadoop.hive.ql.Driver.run(Driver.java:887)
> at
> org.apache.hadoop.hive.cli.CliDriver.processLocalCmd(CliDriver.java:265)
> at org.apache.hadoop.hive.cli.CliDriver.processCmd(CliDriver.java:217)
> at org.apache.hadoop.hive.cli.CliDriver.processLine(CliDriver.java:427)
> at
> org.apache.hadoop.hive.cli.CliDriver.executeDriver(CliDriver.java:800)
> at org.apache.hadoop.hive.cli.CliDriver.run(CliDriver.java:694)
> at org.apache.hadoop.hive.cli.CliDriver.main(CliDriver.java:633)
> {noformat}
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