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From "Ryan Blue (JIRA)" <j...@apache.org>
Subject [jira] [Created] (SPARK-24478) DataSourceV2 should push filters and projection at physical plan conversion
Date Wed, 06 Jun 2018 19:04:00 GMT
Ryan Blue created SPARK-24478:
---------------------------------

             Summary: 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


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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