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From "Anton Okolnychyi (Jira)" <j...@apache.org>
Subject [jira] [Commented] (SPARK-30107) Expose nested schema pruning to all V2 sources
Date Tue, 03 Dec 2019 09:44:00 GMT

    [ https://issues.apache.org/jira/browse/SPARK-30107?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16986756#comment-16986756
] 

Anton Okolnychyi commented on SPARK-30107:
------------------------------------------

I'll submit a PR

> Expose nested schema pruning to all V2 sources
> ----------------------------------------------
>
>                 Key: SPARK-30107
>                 URL: https://issues.apache.org/jira/browse/SPARK-30107
>             Project: Spark
>          Issue Type: Improvement
>          Components: SQL
>    Affects Versions: 3.0.0
>            Reporter: Anton Okolnychyi
>            Priority: Major
>
> I think it would be great to expose the existing logic for nested schema pruning to all
V2 sources, which is in line with the description of {{SupportsPushDownRequiredColumns}} .
That way, all sources that are capable of pruning nested columns will benefit from this.



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