[jira] [Assigned] (SPARK-21980) References in grouping functions should be indexed with resolver

["Apache Spark (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SPARK-21980?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Apache Spark reassigned SPARK-21980:
------------------------------------

    Assignee: Apache Spark

> References in grouping functions should be indexed with resolver
> ----------------------------------------------------------------
>
>                 Key: SPARK-21980
>                 URL: https://issues.apache.org/jira/browse/SPARK-21980
>             Project: Spark
>          Issue Type: Bug
>          Components: SQL
>    Affects Versions: 2.1.0, 2.1.1, 2.2.0
>            Reporter: Feng Zhu
>            Assignee: Apache Spark
>
> In our spark-2.1 cluster, when users sumbit queries like
> {code:sql}
> select a, grouping(b), sum(c) from table group by a, b with cube
> {code}
> It works well. However, when the query is 
> {code:sql}
> select a, grouping(B), sum(c) from table group by a, b with cube
> {code}
> We will get the exception:
> {code:java}
> org.apache.spark.sql.AnalysisException: Column of grouping (B#11) can't be found in grouping columns a#10,b#11
> {code}
> The root cause is the replaceGroupingFunc's incorrect logic in ResolveGroupingAnalytics
>  rule. It indexes the column without resolver.



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