[GitHub] [spark] panbingkun commented on a diff in pull request #37941: [SPARK-40501][SQL] Enhance 'SpecialLimits' to support project(..., limit(...))

[GitBox <gi...@apache.org>]

panbingkun commented on code in PR #37941:
URL: https://github.com/apache/spark/pull/37941#discussion_r976007571


##########
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/optimizer/Optimizer.scala:
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@@ -830,6 +831,21 @@ object PushProjectionThroughUnion extends Rule[LogicalPlan] {
   }
 }
 
+/**
+ * Pushes Project operator to Limit operator.
+ */
+object PushProjectionThroughLimit extends Rule[LogicalPlan] {

Review Comment:
   I have solved the above scenario by adding a new match case in SpecialLimits.



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