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Posted to issues@spark.apache.org by "jiaan.geng (Jira)" <ji...@apache.org> on 2022/04/11 07:07:00 UTC

[jira] [Updated] (SPARK-38391) Datasource v2 supports partial topN push-down

     [ https://issues.apache.org/jira/browse/SPARK-38391?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

jiaan.geng updated SPARK-38391:
-------------------------------
        Parent: SPARK-38852
    Issue Type: Sub-task  (was: Improvement)

> Datasource v2 supports partial topN push-down
> ---------------------------------------------
>
>                 Key: SPARK-38391
>                 URL: https://issues.apache.org/jira/browse/SPARK-38391
>             Project: Spark
>          Issue Type: Sub-task
>          Components: SQL
>    Affects Versions: 3.3.0
>            Reporter: jiaan.geng
>            Assignee: jiaan.geng
>            Priority: Major
>             Fix For: 3.3.0
>
>
> Currently , Spark supports push down sort completely . But for some data source (e.g. JDBC ) that have multiple partition , we should preserve partial sort pushdown.



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