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Posted to issues@spark.apache.org by "Xiao Li (JIRA)" <ji...@apache.org> on 2016/03/10 08:30:40 UTC

[jira] [Closed] (SPARK-13798) Replace Aggregate by Project if no Aggregate Function exists

     [ https://issues.apache.org/jira/browse/SPARK-13798?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Xiao Li closed SPARK-13798.
---------------------------
    Resolution: Invalid

> Replace Aggregate by Project if no Aggregate Function exists
> ------------------------------------------------------------
>
>                 Key: SPARK-13798
>                 URL: https://issues.apache.org/jira/browse/SPARK-13798
>             Project: Spark
>          Issue Type: Improvement
>          Components: SQL
>    Affects Versions: 2.0.0
>            Reporter: Xiao Li
>
> If the Aggregate does not have any aggregate expression, it is useless. We can replace Aggregate by Project.
> Then, Project can be collapsed or pushed down further.



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