karenfeng commented on a change in pull request #32017:
URL: https://github.com/apache/spark/pull/32017#discussion_r605847308
##########
File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/plans/logical/basicLogicalOperators.scala
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@@ -924,11 +947,6 @@ case class SubqueryAlias(
child.output.map(_.withQualifier(qualifierList))
}
- override def metadataOutput: Seq[Attribute] = {
- val qualifierList = identifier.qualifier :+ alias
- child.metadataOutput.map(_.withQualifier(qualifierList))
- }
Review comment:
@cloud-fan, should we support this case if it requires changing the
query during analysis after being resolved?
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