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Posted to issues@spark.apache.org by "Yin Huai (JIRA)" <ji...@apache.org> on 2015/05/28 00:01:04 UTC

[jira] [Updated] (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 ]

Yin Huai updated SPARK-3864:
----------------------------
    Target Version/s: 1.5.0  (was: 1.4.0)

> 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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