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Posted to issues@spark.apache.org by "Michael Armbrust (JIRA)" <ji...@apache.org> on 2015/08/03 21:26:09 UTC

[jira] [Updated] (SPARK-9241) Supporting multiple DISTINCT columns

     [ https://issues.apache.org/jira/browse/SPARK-9241?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Michael Armbrust updated SPARK-9241:
------------------------------------
    Target Version/s: 1.6.0  (was: 1.5.0)

> Supporting multiple DISTINCT columns
> ------------------------------------
>
>                 Key: SPARK-9241
>                 URL: https://issues.apache.org/jira/browse/SPARK-9241
>             Project: Spark
>          Issue Type: Sub-task
>          Components: SQL
>            Reporter: Yin Huai
>            Priority: Critical
>
> Right now the new aggregation code path only support a single distinct column (you can use it in multiple aggregate functions in the query). We need to support multiple distinct columns by generating a different plan for handling multiple distinct columns (without change aggregate functions).



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