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Posted to issues@spark.apache.org by "Michael Armbrust (JIRA)" <ji...@apache.org> on 2015/05/20 21:27:02 UTC

[jira] [Updated] (SPARK-6380) Resolution of equi-join key in post-join projection

     [ https://issues.apache.org/jira/browse/SPARK-6380?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Michael Armbrust updated SPARK-6380:
------------------------------------
    Target Version/s: 1.5.0  (was: 1.4.0)

> Resolution of equi-join key in post-join projection
> ---------------------------------------------------
>
>                 Key: SPARK-6380
>                 URL: https://issues.apache.org/jira/browse/SPARK-6380
>             Project: Spark
>          Issue Type: Improvement
>          Components: SQL
>            Reporter: Reynold Xin
>
> {code}
> df1.join(df2, df1("key") === df2("key")).select("key")
> {code}
> It would be great to just resolve key to df1("key") in the case of inner joins.



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