[GitHub] [spark] amanomer commented on a change in pull request #26808: [SPARK-30184][SQL] Implement a helper method for aliasing functions

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amanomer commented on a change in pull request #26808: [SPARK-30184][SQL] Implement a helper method for aliasing functions
URL: https://github.com/apache/spark/pull/26808#discussion_r355842704
 
 

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 File path: sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/analysis/FunctionRegistry.scala
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 @@ -302,14 +302,14 @@ object FunctionRegistry {
     expression[Skewness]("skewness"),
     expression[ApproximatePercentile]("percentile_approx"),
     expression[ApproximatePercentile]("approx_percentile"),
-    expression[StddevSamp]("std"),
-    expression[StddevSamp]("stddev"),
+    expressionWithAlias[StddevSamp]("std"),
+    expressionWithAlias[StddevSamp]("stddev"),
     expression[StddevPop]("stddev_pop"),
-    expression[StddevSamp]("stddev_samp"),
+    expressionWithAlias[StddevSamp]("stddev_samp"),
 
 Review comment:
   Sure

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