should be it

external/duckdb/benchmark/micro/optimizer/topn_large_optimization.benchmark

@@ -0,0 +1,16 @@
+# name: benchmark/micro/optimizer/topn_large_optimization.benchmark
+# description: Benchmark of top n optimization
+# group: [optimizer]
+
+name TopN Optimization
+group micro
+subgroup optimizer
+
+load
+CREATE TABLE integers AS SELECT range a FROM range(100000000) order by hash(a);
+
+run
+select * from integers order by a limit 500;
+select * from integers order by a limit 5000;
+select * from integers order by a limit 50000;
+select * from integers order by a limit 12800000;

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

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+# 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

external/duckdb/benchmark/micro/optimizer/topn_window_elimination.benchmark

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+# name: benchmark/micro/optimizer/topn_window_elimination.benchmark
+# description: Benchmark of top n window elimination
+# group: [optimizer]
+
+name TopN Window Elimination
+group micro
+subgroup optimizer
+
+load
+CREATE TABLE metrics AS (
+	SELECT k, '2001-01-01 00:00:00'::TIMESTAMP + INTERVAL (v) MINUTE AS tm, v AS v1, v % 1000 AS v2, v % 100 as v3
+	FROM range(0,100000) vals(v), range(0,100) keys(k)
+);
+CREATE TABLE tags AS (
+	SELECT k, CAST(hash(k+1) AS VARCHAR) t1, CAST(hash(k+2) AS VARCHAR) t2, CAST(hash(k+3) AS VARCHAR) t3,
+	FROM range(0,100) keys(k)
+);
+
+run
+SELECT * FROM tags t INNER JOIN LATERAL (SELECT * FROM metrics m WHERE m.k = t.k ORDER BY tm DESC LIMIT 1) AS b ON true ORDER BY t.k, b.tm DESC;
+SELECT * FROM tags t INNER JOIN LATERAL (SELECT * FROM metrics m WHERE m.k = t.k ORDER BY tm DESC LIMIT 3) AS b ON true ORDER BY t.k, b.tm DESC;
+SELECT * FROM tags t, (SELECT *, row_number() OVER (PARTITION BY m.k ORDER BY m.tm DESC) rn FROM metrics m QUALIFY rn <= 1) m WHERE t.k = m.k;
+SELECT * FROM tags t, (SELECT *, row_number() OVER (PARTITION BY m.k ORDER BY m.tm DESC) rn FROM metrics m QUALIFY rn <= 3) m WHERE t.k = m.k;

external/duckdb/benchmark/micro/optimizer/unnest_join_filter_pushdown.benchmark

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+# name: benchmark/micro/optimizer/unnest_join_filter_pushdown.benchmark
+# description: Benchmark filter pushdown with unnest
+# group: [optimizer]
+
+name Unnest Filter Pushdown
+group micro
+subgroup optimizer
+
+load
+CREATE TABLE test_table as
+SELECT s.i as id,  [1, 2, 3]::bigint[] AS VALUES FROM generate_series(1, 10000000) AS s(i);
+
+run
+SELECT id, value FROM test_table CROSS JOIN UNNEST(values) AS values(value) WHERE id = 87100;