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Posted to issues@spark.apache.org by "Reynold Xin (JIRA)" <ji...@apache.org> on 2014/05/22 00:39:38 UTC

[jira] [Updated] (SPARK-1889) Apply splitConjunctivePredicates to join condition while finding join keys.

     [ https://issues.apache.org/jira/browse/SPARK-1889?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Reynold Xin updated SPARK-1889:
-------------------------------

    Assignee: Takuya Ueshin

> Apply splitConjunctivePredicates to join condition while finding join keys.
> ---------------------------------------------------------------------------
>
>                 Key: SPARK-1889
>                 URL: https://issues.apache.org/jira/browse/SPARK-1889
>             Project: Spark
>          Issue Type: Bug
>          Components: SQL
>            Reporter: Takuya Ueshin
>            Assignee: Takuya Ueshin
>             Fix For: 1.0.0
>
>
> When tables are equi-joined by multiple-keys {{HashJoin}} should be used, but {{CartesianProduct}} and then {{Filter}} are used.
> The join keys are paired by {{And}} expression so we need to apply {{splitConjunctivePredicates}} to join condition while finding join keys.



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