HyukjinKwon commented on a change in pull request #28633:
URL: https://github.com/apache/spark/pull/28633#discussion_r429808596
##########
File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/complexTypeCreator.scala
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@@ -312,6 +312,10 @@ case object NamePlaceholder extends LeafExpression with
Unevaluable {
* Returns a Row containing the evaluation of all children expressions.
*/
object CreateStruct extends FunctionBuilder {
+ /**
+ * Returns a named struct with generating names or using the names when
available.
+ * It should be used only for an internal purpose.
Review comment:
I pushed some changes but let me know if you prefer this way. I don't
mind changing it.
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