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https://issues.apache.org/jira/browse/SPARK-33791?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Takeshi Yamamuro resolved SPARK-33791.
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Resolution: Won't Fix
I close this because the corresponding PR is inactive.
> grouping__id() result does not consistent with hive's version < 2.3
> -------------------------------------------------------------------
>
> Key: SPARK-33791
> URL: https://issues.apache.org/jira/browse/SPARK-33791
> Project: Spark
> Issue Type: Improvement
> Components: SQL
> Affects Versions: 2.4.3, 3.0.1
> Reporter: Su Qilong
> Priority: Minor
>
> See this
> [https://cwiki.apache.org/confluence/display/Hive/Enhanced+Aggregation%2C+Cube%2C+Grouping+and+Rollup]
> Hive's grouping__id method made a change since hive version 2.3.0. Now spark
> does not declare this inconsistency with Hive, which may make user believe
> they're safe from migrating their query from Hive 1.x to Spark, but which is
> wrong.
> I guess we should note this difference in Hive migration guide, and add a
> configuration to let grouping__id to use hive 1.x compatible algorithm
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