vladimirg-db commented on code in PR #48619:
URL: https://github.com/apache/spark/pull/48619#discussion_r1812619664
##########
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/analysis/unresolved.scala:
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@@ -500,25 +500,44 @@ abstract class UnresolvedStarBase(target:
Option[Seq[String]]) extends Star with
override def expand(
input: LogicalPlan,
resolver: Resolver): Seq[NamedExpression] = {
+ expandStar(input.output, input.metadataOutput, input.resolve,
input.inputSet.toSeq, resolver)
+ }
+
+ /**
+ * Method used to expand a star. It uses output and metadata output
attributes of the child
+ * for the expansion and it supports both recursive and non-recursive data
types.
+ *
+ * @param childOperatorOutput the output attributes of the child operator
Review Comment:
Please start the sentences from the capital letter
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