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Posted to issues@spark.apache.org by "Sean Owen (JIRA)" <ji...@apache.org> on 2016/01/08 11:45:39 UTC

[jira] [Updated] (SPARK-12700) SortMergeJoin and BroadcastHashJoin should support condition

     [ https://issues.apache.org/jira/browse/SPARK-12700?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Sean Owen updated SPARK-12700:
------------------------------
    Component/s: SQL

> SortMergeJoin and BroadcastHashJoin should support condition
> ------------------------------------------------------------
>
>                 Key: SPARK-12700
>                 URL: https://issues.apache.org/jira/browse/SPARK-12700
>             Project: Spark
>          Issue Type: Improvement
>          Components: SQL
>            Reporter: Davies Liu
>
> Right now, We use a Filter follow SortMergeJoin or BroadcastHashJoin for conditions, the result projection of join could be very expensive if they generate lots of rows (could be reduce mostly by condition).



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