JkSelf commented on code in PR #5398:
URL: https://github.com/apache/incubator-gluten/pull/5398#discussion_r1570319408


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gluten-core/src/main/resources/substrait/proto/substrait/algebra.proto:
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@@ -319,6 +319,15 @@ message WindowRel {
   }
 }
 
+message WindowGroupLimitRel {

Review Comment:
   @ayushi-agarwal Yes, it can be included in the advanced_extension. However, 
it appears that the WindowGroupLimitRel is intended to map to the TopNRowNumber 
operator, not the Window operator. Therefore, it make sense to introduce a new 
operator in Substrait for this purpose. @zhztheplayer Do you have any input?



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