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From "Hyukjin Kwon (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (SPARK-24128) Mention spark.sql.crossJoin.enabled in implicit cartesian product error msg
Date Tue, 08 May 2018 04:23:00 GMT

     [ https://issues.apache.org/jira/browse/SPARK-24128?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Hyukjin Kwon resolved SPARK-24128.
----------------------------------
       Resolution: Fixed
    Fix Version/s: 2.3.1
                   2.4.0

Issue resolved by pull request 21201
[https://github.com/apache/spark/pull/21201]

> Mention spark.sql.crossJoin.enabled in implicit cartesian product error msg
> ---------------------------------------------------------------------------
>
>                 Key: SPARK-24128
>                 URL: https://issues.apache.org/jira/browse/SPARK-24128
>             Project: Spark
>          Issue Type: Improvement
>          Components: SQL
>    Affects Versions: 2.4.0
>            Reporter: Henry Robinson
>            Assignee: Henry Robinson
>            Priority: Minor
>             Fix For: 2.4.0, 2.3.1
>
>
> The error message given when a query contains an implicit cartesian product suggests
rewriting the query using {{CROSS JOIN}}, but not disabling the check using {{spark.sql.crossJoin.enabled=true}}. It's
sometimes easier to change a config variable than edit a query, so it would be helpful to
make the user aware of their options. 



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