cloud-fan commented on a change in pull request #28501:
URL: https://github.com/apache/spark/pull/28501#discussion_r425128389
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File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/analysis/unresolved.scala
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@@ -540,11 +540,12 @@ case class UnresolvedOrdinal(ordinal: Int)
}
/**
- * Represents unresolved aggregate with having clause, it is turned by the
analyzer into a Filter.
+ * Represents unresolved having clause, the child for it can be Aggregate,
Grouping Sets, Rollup
Review comment:
`can be Aggregate or GroupingSets`
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