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Posted to issues@spark.apache.org by "Apache Spark (JIRA)" <ji...@apache.org> on 2016/08/17 09:04:21 UTC

[jira] [Assigned] (SPARK-17104) LogicalRelation.newInstance should follow the semantics of MultiInstanceRelation

     [ https://issues.apache.org/jira/browse/SPARK-17104?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Apache Spark reassigned SPARK-17104:
------------------------------------

    Assignee: Apache Spark

> LogicalRelation.newInstance should follow the semantics of MultiInstanceRelation
> --------------------------------------------------------------------------------
>
>                 Key: SPARK-17104
>                 URL: https://issues.apache.org/jira/browse/SPARK-17104
>             Project: Spark
>          Issue Type: Bug
>          Components: SQL
>            Reporter: Liang-Chi Hsieh
>            Assignee: Apache Spark
>
> Currently LogicalRelation.newInstance() simply creates another LogicalRelation object with the same parameters. However, the newInstance() method inherited from MultiInstanceRelation should return a copy of unique expression ids. Current LogicalRelation.newInstance() causes failure when doing self-join.



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