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Posted to issues@spark.apache.org by "Wenchen Fan (Jira)" <ji...@apache.org> on 2019/12/20 06:20:00 UTC

[jira] [Resolved] (SPARK-30184) Implement a helper method for aliasing functions

     [ https://issues.apache.org/jira/browse/SPARK-30184?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Wenchen Fan resolved SPARK-30184.
---------------------------------
    Fix Version/s: 3.0.0
       Resolution: Fixed

> Implement a helper method for aliasing functions
> ------------------------------------------------
>
>                 Key: SPARK-30184
>                 URL: https://issues.apache.org/jira/browse/SPARK-30184
>             Project: Spark
>          Issue Type: Improvement
>          Components: SQL
>    Affects Versions: 3.0.0
>            Reporter: Aman Omer
>            Assignee: Aman Omer
>            Priority: Major
>             Fix For: 3.0.0
>
>
> In PR https://github.com/apache/spark/pull/26712 , we have introduced expressionWithAlias function in FunctionRegistry.scala which forwards function name submitted at runtime.
> This Jira is to use expressionWithAlias for remaining functions for which alias name can be used. Remaining functions are:
> Average, First, Last, ApproximatePercentile, StddevSamp, VarianceSamp



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