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https://issues.apache.org/jira/browse/KYLIN-4936?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17316157#comment-17316157
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ASF subversion and git services commented on KYLIN-4936:
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Commit ee82816dd1bd8fd5eaaa51ea41794736f51ba20a in kylin's branch
refs/heads/kylin-on-parquet-v2 from Zhichao Zhang
[ https://gitbox.apache.org/repos/asf?p=kylin.git;h=ee82816 ]
KYLIN-4936 Exactly aggregation can't transform to project
> Exactly aggregation can't transform to project
> ----------------------------------------------
>
> Key: KYLIN-4936
> URL: https://issues.apache.org/jira/browse/KYLIN-4936
> Project: Kylin
> Issue Type: Improvement
> Components: Query Engine
> Affects Versions: v4.0.0-beta
> Reporter: ShengJun Zheng
> Assignee: Zhichao Zhang
> Priority: Major
> Fix For: v4.0.0-GA
>
>
> Exactly Aggregate can't transform to project, causing unnecessary spark
> shuffle !
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