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Posted to issues@spark.apache.org by "Reynold Xin (JIRA)" <ji...@apache.org> on 2015/12/17 07:53:46 UTC

[jira] [Closed] (SPARK-3864) Specialize join for tables with unique integer keys

     [ https://issues.apache.org/jira/browse/SPARK-3864?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Reynold Xin closed SPARK-3864.
------------------------------
    Resolution: Later

Closing this as later.

> Specialize join for tables with unique integer keys
> ---------------------------------------------------
>
>                 Key: SPARK-3864
>                 URL: https://issues.apache.org/jira/browse/SPARK-3864
>             Project: Spark
>          Issue Type: Sub-task
>          Components: SQL
>            Reporter: Reynold Xin
>
> We can create a new operator that uses an array as the underlying storage to avoid hash lookups entirely for dimension tables that have integer keys.



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