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From: "Jesus Camacho Rodriguez (JIRA)" <jira@apache.org>
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Subject: [jira] [Updated] (HIVE-10874) Fail in
 TestMinimrCliDriver.testCliDriver_ql_rewrite_gbtoidx_cbo_2.q due to
 duplicate column name
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     [ https://issues.apache.org/jira/browse/HIVE-10874?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jesus Camacho Rodriguez updated HIVE-10874:
-------------------------------------------
    Attachment: HIVE-10874.02.patch

> 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-10874.01.patch, HIVE-10874.02.patch, 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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