JkSelf commented on code in PR #5409:
URL: https://github.com/apache/incubator-gluten/pull/5409#discussion_r1566785067
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gluten-core/src/main/resources/substrait/proto/substrait/algebra.proto:
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@@ -268,6 +268,15 @@ message FetchRel {
substrait.extensions.AdvancedExtension advanced_extension = 10;
}
+// The relational operator representing TOP N calculation
+message TopNRel {
+ RelCommon common = 1;
+ Rel input = 2;
+ int64 n = 3;
+ repeated SortField sorts = 4;
+ substrait.extensions.AdvancedExtension advanced_extension = 10;
+}
Review Comment:
Could we utilize the SortRel operator to implement TopNRel, incorporating
the 'n' parameter within the advanced_extension?
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