cloud-fan commented on a change in pull request #35473:
URL: https://github.com/apache/spark/pull/35473#discussion_r810851715
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File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/optimizer/Optimizer.scala
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@@ -454,6 +455,40 @@ object EliminateAggregateFilter extends Rule[LogicalPlan] {
}
}
+/**
+ * The rule is applied both normal and AQE Optimizer. It optimizes plan using
max rows:
+ * - if the child of sort max rows less than or equal to 1, remove the sort
Review comment:
```suggestion
* - if the max rows of the child of sort less than or equal to 1, remove
the sort
```
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