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Posted to issues@spark.apache.org by "Dongjoon Hyun (Jira)" <ji...@apache.org> on 2019/10/31 15:27:00 UTC

[jira] [Assigned] (SPARK-29277) DataSourceV2: Add early filter and projection pushdown

     [ https://issues.apache.org/jira/browse/SPARK-29277?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Dongjoon Hyun reassigned SPARK-29277:
-------------------------------------

    Assignee: Ryan Blue

> DataSourceV2: Add early filter and projection pushdown
> ------------------------------------------------------
>
>                 Key: SPARK-29277
>                 URL: https://issues.apache.org/jira/browse/SPARK-29277
>             Project: Spark
>          Issue Type: Bug
>          Components: SQL
>    Affects Versions: 3.0.0
>            Reporter: Ryan Blue
>            Assignee: Ryan Blue
>            Priority: Major
>             Fix For: 3.0.0
>
>
> Spark uses optimizer rules that need stats before conversion to physical plan. DataSourceV2 should support early pushdown for those rules.



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