morrySnow commented on code in PR #63379:
URL: https://github.com/apache/doris/pull/63379#discussion_r3295907667


##########
fe/fe-core/src/main/java/org/apache/doris/nereids/glue/translator/PhysicalPlanTranslator.java:
##########
@@ -2850,7 +2851,9 @@ private PartitionSortNode 
translatePartitionSortNode(PhysicalPartitionTopN<? ext
                 .collect(Collectors.toList());
         // partition key should on child tuple, sort key should on partition 
top's tuple
         TupleDescriptor sortTuple = 
generateTupleDesc(partitionTopN.child().getOutput(), null, context);
-        final SortInfo sortInfo = getSortInfo(partitionTopN.getOrderKeys(), 
context, sortTuple);
+        List<OrderKey> orderKeys = prunePartitionKeys(

Review Comment:
   should impl this feature in 
`org.apache.doris.nereids.trees.plans.logical.LogicalWindow#pushPartitionLimitThroughWindow`



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