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Posted to issues@spark.apache.org by "Apache Spark (JIRA)" <ji...@apache.org> on 2015/12/25 17:42:49 UTC
[jira] [Assigned] (SPARK-12385) Push projection into Join
[ https://issues.apache.org/jira/browse/SPARK-12385?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Apache Spark reassigned SPARK-12385:
------------------------------------
Assignee: (was: Apache Spark)
> 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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