amaliujia commented on code in PR #38395:
URL: https://github.com/apache/spark/pull/38395#discussion_r1007192022
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sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/plans/logical/basicLogicalOperators.scala:
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@@ -2100,3 +2100,53 @@ object AsOfJoin {
}
}
}
+
+
+/**
+ * A logical plan for summary.
+ */
+case class Summary(
Review Comment:
> but if there is something wrong in analysis, the exception will not be
thrown.
@zhengruifeng can you elaborate this a bit more? Is this a regression in
terms of bad cases (e.g. users expect to exceptions but now it is gone)?
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