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Posted to issues@spark.apache.org by "Apache Spark (JIRA)" <ji...@apache.org> on 2017/02/16 14:27:41 UTC

[jira] [Assigned] (SPARK-19598) Remove the alias parameter in UnresolvedRelation

     [ https://issues.apache.org/jira/browse/SPARK-19598?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Apache Spark reassigned SPARK-19598:
------------------------------------

    Assignee: Apache Spark

> Remove the alias parameter in UnresolvedRelation
> ------------------------------------------------
>
>                 Key: SPARK-19598
>                 URL: https://issues.apache.org/jira/browse/SPARK-19598
>             Project: Spark
>          Issue Type: Improvement
>          Components: SQL
>    Affects Versions: 2.2.0
>            Reporter: Reynold Xin
>            Assignee: Apache Spark
>
> UnresolvedRelation has a second argument named "alias", for assigning the relation an alias. I think we can actually remove it and replace its use with a SubqueryAlias.
> This would actually simplify some analyzer code to only match on SubqueryAlias. For example, the broadcast hint pull request can have one fewer case https://github.com/apache/spark/pull/16925/files.



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