should be it

external/duckdb/benchmark/micro/optimizer/topn_optimization.benchmark

@@ -0,0 +1,14 @@
+# name: benchmark/micro/optimizer/topn_optimization.benchmark
+# description: Benchmark of top n optimization
+# group: [optimizer]
+
+name TopN Optimization
+group micro
+subgroup optimizer
+
+load
+CREATE TABLE integers AS SELECT * FROM range(100000000) tbl(i);
+CREATE TABLE other_table AS SELECT 337 i UNION ALL SELECT 948247 UNION ALL SELECT 17797934 UNION ALL SELECT 99999998 UNION ALL SELECT 99999999
+
+run
+SELECT * FROM integers WHERE i IN (SELECT * FROM other_table) ORDER BY i LIMIT 4