[jira] [Commented] (HIVE-7694) SMB join on tables differing by number of sorted by columns with same join prefix fails

["Suma Shivaprasad (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HIVE-7694?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14094505#comment-14094505 ] 

Suma Shivaprasad commented on HIVE-7694:
----------------------------------------

Will be uploading a patch for this shortly

> SMB join on tables differing by number of sorted by columns with same join prefix fails
> ---------------------------------------------------------------------------------------
>
>                 Key: HIVE-7694
>                 URL: https://issues.apache.org/jira/browse/HIVE-7694
>             Project: Hive
>          Issue Type: Bug
>          Components: Query Processor
>    Affects Versions: 0.13.1
>            Reporter: Suma Shivaprasad
>
> For eg: If two tables T1 sorted by (a, b, c) clustered by a and T2 sorted by (a) and clustered by (a) are joined, the following exception is seen
> {noformat}
> 14/08/11 09:09:38 ERROR ql.Driver: FAILED: IndexOutOfBoundsException Index: 1, Size: 1
> java.lang.IndexOutOfBoundsException: Index: 1, Size: 1
> at java.util.ArrayList.RangeCheck(ArrayList.java:547)
> at java.util.ArrayList.get(ArrayList.java:322)
> at org.apache.hadoop.hive.ql.optimizer.AbstractSMBJoinProc.checkSortColsAndJoinCols(AbstractSMBJoinProc.java:378)
> at org.apache.hadoop.hive.ql.optimizer.AbstractSMBJoinProc.isEligibleForBucketSortMergeJoin(AbstractSMBJoinProc.java:352)
> at org.apache.hadoop.hive.ql.optimizer.AbstractSMBJoinProc.canConvertBucketMapJoinToSMBJoin(AbstractSMBJoinProc.java:119)
> at org.apache.hadoop.hive.ql.optimizer.SortedMergeBucketMapjoinProc.process(SortedMergeBucketMapjoinProc.java:51)
> 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.lib.DefaultGraphWalker.dispatch(DefaultGraphWalker.java:78)
> at org.apache.hadoop.hive.ql.lib.DefaultGraphWalker.walk(DefaultGraphWalker.java:132)
> at org.apache.hadoop.hive.ql.lib.DefaultGraphWalker.startWalking(DefaultGraphWalker.java:109)
> at org.apache.hadoop.hive.ql.optimizer.SortedMergeBucketMapJoinOptimizer.transform(SortedMergeBucketMapJoinOptimizer.java:109)
> at org.apache.hadoop.hive.ql.optimizer.Optimizer.optimize(Optimizer.java:146)
> at org.apache.hadoop.hive.ql.parse.SemanticAnalyzer.analyzeInternal(SemanticAnalyzer.java:9305)
> at org.apache.hadoop.hive.ql.parse.BaseSemanticAnalyzer.analyze(BaseSemanticAnalyzer.java:327)
> at org.apache.hadoop.hive.ql.parse.ExplainSemanticAnalyzer.analyzeInternal(ExplainSemanticAnalyzer.java:64)
> at org.apache.hadoop.hive.ql.parse.BaseSemanticAnalyzer.analyze(BaseSemanticAnalyzer.java:327)
> at org.apache.hadoop.hive.ql.Driver.compile(Driver.java:393)
> {noformat}



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