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Posted to issues@spark.apache.org by "Xiao Li (JIRA)" <ji...@apache.org> on 2015/12/23 05:34:46 UTC

[jira] [Commented] (SPARK-12385) Push projection into Join

    [ https://issues.apache.org/jira/browse/SPARK-12385?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15069133#comment-15069133 ] 

Xiao Li commented on SPARK-12385:
---------------------------------

I will work on it, if nobody starts it. Thanks!

> Push projection into Join
> -------------------------
>
>                 Key: SPARK-12385
>                 URL: https://issues.apache.org/jira/browse/SPARK-12385
>             Project: Spark
>          Issue Type: Improvement
>          Components: SQL
>            Reporter: Davies Liu
>
> We usually have  Join followed by a projection to pruning some columns, but Join already have a result projection to produce UnsafeRow, we should combine them together.



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