gengliangwang commented on code in PR #37295:
URL: https://github.com/apache/spark/pull/37295#discussion_r930675492
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sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/optimizer/Optimizer.scala:
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@@ -1948,7 +1946,9 @@ object PushPredicateThroughJoin extends Rule[LogicalPlan]
with PredicateHelper {
/**
* This rule is applied by both normal and AQE Optimizer, and optimizes Limit
operators by:
* 1. Eliminate [[Limit]]/[[GlobalLimit]] operators if it's child max row <=
limit.
- * 2. Combines two adjacent [[Limit]] operators into one, merging the
+ * 2. Replace [[Limit]]/[[LocalLimit]]/[[GlobalLimit]] operators to empty
[[LocalRelation]]
Review Comment:
```suggestion
* 2. Replace [[Limit]]/[[LocalLimit]]/[[GlobalLimit]] operators with empty
[[LocalRelation]]
```
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