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From "Michael Armbrust (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (SPARK-5383) support alias for udfs with multi output columns
Date Tue, 03 Feb 2015 20:19:34 GMT

     [ https://issues.apache.org/jira/browse/SPARK-5383?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Michael Armbrust resolved SPARK-5383.
-------------------------------------
       Resolution: Fixed
    Fix Version/s: 1.3.0

Issue resolved by pull request 4186
[https://github.com/apache/spark/pull/4186]

> support alias for udfs with multi output columns
> ------------------------------------------------
>
>                 Key: SPARK-5383
>                 URL: https://issues.apache.org/jira/browse/SPARK-5383
>             Project: Spark
>          Issue Type: Improvement
>          Components: SQL
>    Affects Versions: 1.2.0
>            Reporter: wangfei
>             Fix For: 1.3.0
>
>
> when a udf output multi columns, now we can not use alias for them in spark-sql, see
this flowing sql:
> select stack(1, key, value, key, value) as (a, b, c, d) from src limit 5;



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