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https://issues.apache.org/jira/browse/SPARK-1889?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14003065#comment-14003065
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Takuya Ueshin commented on SPARK-1889:
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Pull-requested: https://github.com/apache/spark/pull/836
> 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
>
> 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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