spark-issues mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From "Reynold Xin (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (SPARK-1889) Apply splitConjunctivePredicates to join condition while finding join keys.
Date Wed, 21 May 2014 22:39:38 GMT

     [ 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.



--
This message was sent by Atlassian JIRA
(v6.2#6252)

Mime
View raw message