maropu commented on a change in pull request #28556: URL: https://github.com/apache/spark/pull/28556#discussion_r426343456
########## File path: sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/optimizer/NestedColumnAliasing.scala ########## @@ -68,10 +69,14 @@ object NestedColumnAliasing { */ def replaceChildrenWithAliases( plan: LogicalPlan, + nestedFieldToAlias: Map[ExtractValue, Alias], attrToAliases: Map[ExprId, Seq[Alias]]): LogicalPlan = { plan.withNewChildren(plan.children.map { plan => Project(plan.output.flatMap(a => attrToAliases.getOrElse(a.exprId, Seq(a))), plan) - }) + }).transformExpressions { + case f: ExtractValue if nestedFieldToAlias.contains(f) => + nestedFieldToAlias(f).toAttribute Review comment: Ah, I got it. It seems this change is related to https://github.com/apache/spark/pull/28556/files#diff-43334bab9616cc53e8797b9afa9fc7aaL207-L215 ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: us...@infra.apache.org --------------------------------------------------------------------- To unsubscribe, e-mail: reviews-unsubscr...@spark.apache.org For additional commands, e-mail: reviews-h...@spark.apache.org