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From "Laljo John Pullokkaran (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-10874) Fail in TestMinimrCliDriver.testCliDriver_ql_rewrite_gbtoidx_cbo_2.q due to duplicate column name
Date Wed, 03 Jun 2015 01:07:49 GMT

    [ https://issues.apache.org/jira/browse/HIVE-10874?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14570081#comment-14570081
] 

Laljo John Pullokkaran commented on HIVE-10874:
-----------------------------------------------

+1 conditional on test failures.
Please update if test failures are unrelated?



> Fail in TestMinimrCliDriver.testCliDriver_ql_rewrite_gbtoidx_cbo_2.q due to duplicate
column name
> -------------------------------------------------------------------------------------------------
>
>                 Key: HIVE-10874
>                 URL: https://issues.apache.org/jira/browse/HIVE-10874
>             Project: Hive
>          Issue Type: Bug
>            Reporter: Jesus Camacho Rodriguez
>            Assignee: Jesus Camacho Rodriguez
>         Attachments: HIVE-10874.patch
>
>
> Aggregate operators may derive row types with duplicate column names. The reason is that
the column names for grouping sets columns and aggregation columns might be generated automatically,
but we do not check whether the column name already exists in the same row.
> This error can be reproduced by TestMinimrCliDriver.testCliDriver_ql_rewrite_gbtoidx_cbo_2.q,
which fails with the following trace:
> {code}
> junit.framework.AssertionFailedError: Unexpected exception java.lang.AssertionError:
RecordType(BIGINT $f1, BIGINT $f1)
> 	at org.apache.calcite.rel.core.Project.isValid(Project.java:200)
> 	at org.apache.calcite.rel.core.Project.<init>(Project.java:85)
> 	at org.apache.calcite.rel.core.Project.<init>(Project.java:91)
> 	at org.apache.hadoop.hive.ql.optimizer.calcite.reloperators.HiveProject.<init>(HiveProject.java:70)
> 	at org.apache.hadoop.hive.ql.optimizer.calcite.reloperators.HiveProject.create(HiveProject.java:103)
> 	at org.apache.hadoop.hive.ql.optimizer.calcite.translator.PlanModifierForASTConv.introduceDerivedTable(PlanModifierForASTConv.java:211)
> 	at org.apache.hadoop.hive.ql.optimizer.calcite.translator.PlanModifierForASTConv.convertOpTree(PlanModifierForASTConv.java:67)
> 	at org.apache.hadoop.hive.ql.optimizer.calcite.translator.ASTConverter.convert(ASTConverter.java:94)
> 	at org.apache.hadoop.hive.ql.parse.CalcitePlanner.getOptimizedAST(CalcitePlanner.java:617)
> 	at org.apache.hadoop.hive.ql.parse.CalcitePlanner.genOPTree(CalcitePlanner.java:248)
> 	at org.apache.hadoop.hive.ql.parse.SemanticAnalyzer.analyzeInternal(SemanticAnalyzer.java:10108)
> 	at org.apache.hadoop.hive.ql.parse.CalcitePlanner.analyzeInternal(CalcitePlanner.java:208)
> 	at org.apache.hadoop.hive.ql.parse.BaseSemanticAnalyzer.analyze(BaseSemanticAnalyzer.java:227)
> 	at org.apache.hadoop.hive.ql.parse.ExplainSemanticAnalyzer.analyzeInternal(ExplainSemanticAnalyzer.java:74)
> 	at org.apache.hadoop.hive.ql.parse.BaseSemanticAnalyzer.analyze(BaseSemanticAnalyzer.java:227)
> ...
> {code}



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