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Posted to issues@spark.apache.org by "Wenchen Fan (Jira)" <ji...@apache.org> on 2019/12/20 06:17:00 UTC
[jira] [Assigned] (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 reassigned SPARK-30184:
-----------------------------------
Assignee: Aman Omer
> 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
>
> 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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