[jira] [Resolved] (SPARK-7858) DataSourceStrategy.createPhysicalRDD should use output schema when performing row conversions, not relation schema

["Yin Huai (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SPARK-7858?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Yin Huai resolved SPARK-7858.
-----------------------------
       Resolution: Fixed
    Fix Version/s: 1.4.0

Issue resolved by pull request 6400
[https://github.com/apache/spark/pull/6400]

> DataSourceStrategy.createPhysicalRDD should use output schema when performing row conversions, not relation schema
> ------------------------------------------------------------------------------------------------------------------
>
>                 Key: SPARK-7858
>                 URL: https://issues.apache.org/jira/browse/SPARK-7858
>             Project: Spark
>          Issue Type: Bug
>          Components: SQL
>    Affects Versions: 1.4.0
>            Reporter: Josh Rosen
>            Assignee: Josh Rosen
>            Priority: Critical
>             Fix For: 1.4.0
>
>
> In {{DataSourceStrategy.createPhysicalRDD}}, we use the relation schema as the target schema for converting incoming rows into Catalyst rows.  However, we should be using the output schema instead, since our scan might return a subset of the relation's columns.



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