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https://issues.apache.org/jira/browse/SPARK-24478?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Wenchen Fan reassigned SPARK-24478:
-----------------------------------
Assignee: Ryan Blue
> DataSourceV2 should push filters and projection at physical plan conversion
> ---------------------------------------------------------------------------
>
> Key: SPARK-24478
> URL: https://issues.apache.org/jira/browse/SPARK-24478
> Project: Spark
> Issue Type: Sub-task
> Components: SQL
> Affects Versions: 2.3.0
> Reporter: Ryan Blue
> Assignee: Ryan Blue
> Priority: Major
> Fix For: 2.4.0
>
>
> DataSourceV2 currently pushes filters and projected columns in the optimized
> plan, but this requires creating and configuring a reader multiple times and
> prevents the v2 relation's output from being a fixed argument of the relation
> case class. It is also much cleaner (see PR
> [#21262|https://github.com/apache/spark/pull/21262]).
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