viirya commented on a change in pull request #35270:
URL: https://github.com/apache/spark/pull/35270#discussion_r790205037
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File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/namedExpressions.scala
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@@ -172,7 +172,7 @@ case class Alias(child: Expression, name: String)(
val builder = new MetadataBuilder().withMetadata(named.metadata)
nonInheritableMetadataKeys.foreach(builder.remove)
builder.build()
-
+ case structField: GetStructField => structField.metadata
Review comment:
Don't we need to remove keys in `nonInheritableMetadataKeys`?
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