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Posted to issues@spark.apache.org by "Herman van Hovell (JIRA)" <ji...@apache.org> on 2015/08/19 02:58:45 UTC

[jira] [Commented] (SPARK-10100) AggregateFunction2's Max is slower than AggregateExpression1's MaxFunction

    [ https://issues.apache.org/jira/browse/SPARK-10100?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14702252#comment-14702252 ] 

Herman van Hovell commented on SPARK-10100:
-------------------------------------------

Any idea why? JoinedRow?

> AggregateFunction2's Max is slower than AggregateExpression1's MaxFunction
> --------------------------------------------------------------------------
>
>                 Key: SPARK-10100
>                 URL: https://issues.apache.org/jira/browse/SPARK-10100
>             Project: Spark
>          Issue Type: Sub-task
>          Components: SQL
>    Affects Versions: 1.5.0
>            Reporter: Yin Huai
>            Assignee: Yin Huai
>
> Looks like Max (probably Min) implemented based on AggregateFunction2 is slower than the old MaxFunction.



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