HyukjinKwon commented on a change in pull request #27901: [SPARK-31146][SQL]
Leverage the helper method for aliasing in built-in SQL expressions
URL: https://github.com/apache/spark/pull/27901#discussion_r392746619
##########
File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/CallMethodViaReflection.scala
##########
@@ -55,7 +55,7 @@ import org.apache.spark.util.Utils
case class CallMethodViaReflection(children: Seq[Expression])
extends Expression with CodegenFallback {
- override def prettyName: String = "reflect"
+ override def prettyName: String =
getTagValue(FunctionRegistry.FUNC_ALIAS).getOrElse("reflect")
Review comment:
@viirya, it changes from `reflect` to `java_method` when `java_method` is
used, which I believe is correct. It will still show `reflect` when `reflect`
is used.
```scala
scala> spark.range(1).selectExpr("java_method('java.util.UUID',
'randomUUID')").show()
+---------------------------------------+
|java_method(java.util.UUID, randomUUID)|
+---------------------------------------+
| c1b2961e-ccc4-4ad...|
+---------------------------------------+
scala> spark.range(1).selectExpr("reflect('java.util.UUID',
'randomUUID')").show()
+-----------------------------------+
|reflect(java.util.UUID, randomUUID)|
+-----------------------------------+
| 587b9a03-63f1-424...|
+-----------------------------------+
```
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