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Posted to issues@spark.apache.org by "Reynold Xin (JIRA)" <ji...@apache.org> on 2016/01/12 03:14:39 UTC

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

     [ https://issues.apache.org/jira/browse/SPARK-12385?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Reynold Xin updated SPARK-12385:
--------------------------------
    Component/s: Optimizer

> Push projection into Join
> -------------------------
>
>                 Key: SPARK-12385
>                 URL: https://issues.apache.org/jira/browse/SPARK-12385
>             Project: Spark
>          Issue Type: Improvement
>          Components: Optimizer, 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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