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Posted to issues@spark.apache.org by "Michael Armbrust (JIRA)" <ji...@apache.org> on 2015/08/03 21:26:24 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: 1.6.0 (was: 1.5.0)
> 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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