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https://issues.apache.org/jira/browse/SPARK-30184?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Aman Omer updated SPARK-30184:
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Summary: Implement a helper method for aliasing functions (was: Implement
a helper method for aliasing )
> 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
> 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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