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Posted to issues@spark.apache.org by "Xiao Li (JIRA)" <ji...@apache.org> on 2018/01/29 16:58:00 UTC
[jira] [Resolved] (SPARK-23199) improved Removes repetition from
group expressions in Aggregate
[ https://issues.apache.org/jira/browse/SPARK-23199?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Xiao Li resolved SPARK-23199.
-----------------------------
Resolution: Fixed
Assignee: caoxuewen
Fix Version/s: 2.3.0
> improved Removes repetition from group expressions in Aggregate
> ---------------------------------------------------------------
>
> Key: SPARK-23199
> URL: https://issues.apache.org/jira/browse/SPARK-23199
> Project: Spark
> Issue Type: Improvement
> Components: SQL
> Affects Versions: 2.4.0
> Reporter: caoxuewen
> Assignee: caoxuewen
> Priority: Major
> Fix For: 2.3.0
>
>
> Currently, all Aggregate operations will go into RemoveRepetitionFromGroupExpressions, but there is no group expression or there is no duplicate group expression in group expression, we not need copy for logic plan.
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