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Posted to issues@spark.apache.org by "jiaan.geng (Jira)" <ji...@apache.org> on 2022/07/27 10:58:00 UTC

[jira] [Updated] (SPARK-39819) DS V2 aggregate push down can work with Top N or Paging (Sort with group expressions)

     [ https://issues.apache.org/jira/browse/SPARK-39819?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

jiaan.geng updated SPARK-39819:
-------------------------------
    Summary: DS V2 aggregate push down can work with Top N or Paging (Sort with group expressions)  (was: DS V2 aggregate push down can work with Top N or Paging (Sort with group column))

> DS V2 aggregate push down can work with Top N or Paging (Sort with group expressions)
> -------------------------------------------------------------------------------------
>
>                 Key: SPARK-39819
>                 URL: https://issues.apache.org/jira/browse/SPARK-39819
>             Project: Spark
>          Issue Type: Sub-task
>          Components: SQL
>    Affects Versions: 3.4.0
>            Reporter: jiaan.geng
>            Priority: Major
>
> Currently, DS V2 aggregate push-down cannot work with Top N (order by ... limit ...) or Paging (order by ... limit ... offset ...).
> If it can work with Top N or Paging, it will be better performance.



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