From a50ab48d0b16870f54cf270bf74074bbab8055e2 Mon Sep 17 00:00:00 2001 From: Serhii Savchuk Date: Sun, 10 May 2026 19:30:48 +0300 Subject: [PATCH 1/8] prototype: rayforce q6/q8/q9 implementations + bonus-join wrapper workarounds Co-Authored-By: Claude Opus 4.7 (1M context) --- bench/adapters/rayforce_adapter.py | 186 ++- docs/data.js | 2 +- docs/data.json | 2424 ++++++++++++---------------- docs/histogram.html | 42 +- 4 files changed, 1217 insertions(+), 1437 deletions(-) diff --git a/bench/adapters/rayforce_adapter.py b/bench/adapters/rayforce_adapter.py index f1fc5fd..e3adc0f 100644 --- a/bench/adapters/rayforce_adapter.py +++ b/bench/adapters/rayforce_adapter.py @@ -31,10 +31,10 @@ class RayforceAdapter(Adapter): "groupby_q3": 't.select(v1=Column("v1").sum(), v3=Column("v3").mean()).by("id3").execute()', "groupby_q4": 't.select(v1=Column("v1").mean(), v2=Column("v2").mean(), v3=Column("v3").mean()).by("id4").execute()', "groupby_q5": 't.select(v1=Column("v1").sum(), v2=Column("v2").sum(), v3=Column("v3").sum()).by("id6").execute()', - "groupby_q6": '# NYI: rayforce engine does not support median + multi-key by()', + "groupby_q6": 't.select(v3_median=Column("v3").median(), v3_std=Column("v3").std()).by("id4","id5").execute()', "groupby_q7": '# Two-stage workaround for engine NYI on arithmetic-of-aggregates per-group:\nagg = t.select(v1m=Column("v1").max(), v2m=Column("v2").min()).by("id3").execute()\nagg.select("id3", range_v1_v2=Column("v1m") - Column("v2m")).execute()', - "groupby_q8": '# NYI: rayforce-py has no top-N / per-group head(n)', - "groupby_q9": '# NYI: rayforce-py has no Column.corr / pearson_corr', + "groupby_q8": 't.select(largest2_v3=Column("v3").top(2)).by("id6").execute()', + "groupby_q9": 't.select(r2=Column("v1").pearson_corr(Column("v2"))**2).by("id2","id4").execute()', "groupby_q10": 't.select(v3=Column("v3").sum(), cnt=Column("v1").count()).by("id1","id2","id3","id4","id5","id6").execute()', "join_q1": '# pre-project right to (key, v2) to avoid to_dict() collapse on dup cols\nx.inner_join(small.select("id1","v2").execute(), on=["id1"]).execute()', "join_q2": 'x.inner_join(medium.select("id2","v2").execute(), on=["id2"]).execute()', @@ -272,20 +272,15 @@ def run_groupby_q5(self) -> BenchmarkResult: ) def run_groupby_q6(self) -> BenchmarkResult: - """Q6: median(v3), sd(v3) by id4, id5 — canonical H2O. - - rayforce-py 2.0a1 exposes Column.median() and the engine has a - DEVIATION op (callable as Expression(Operation.DEVIATION, col)), - so individually both aggregates are available. But the engine - itself raises `RayforceNYIError: non-agg expression with - multi-key or computed group key` when median is combined with - a multi-key `.by(...)` — the canonical q6 groups by (id4, id5). - Single-key median works; multi-key median doesn't. - See REQUIREMENTS_CANONICAL_H2O.md §1.1. - """ - raise NotImplementedError( - "rayforce engine NYI: 'median(...) with multi-key group-by' " - "(median+sd by id4,id5 needed for canonical H2O q6)") + """Q6: median(v3), sd(v3) by id4, id5 — canonical H2O.""" + t = self._get_table_obj() + C = self._Column + return self._timed( + lambda: t.select(v3_median=C("v3").median(), + v3_std=C("v3").std() + ).by("id4", "id5").execute(), + "groupby_q6", + ) def run_groupby_q7(self) -> BenchmarkResult: """Q7: max(v1) - min(v2) by id3 — canonical H2O. @@ -309,25 +304,29 @@ def query(): def run_groupby_q8(self) -> BenchmarkResult: """Q8: largest two v3 by id6 — canonical H2O. - rayforce-py 2.0a1 has no head(N) / top-N / window functions; - cannot compute per-group top-N. NYI until upstream adds one of - Column.head(n) / per-group ROW_NUMBER. See REQUIREMENTS §1.3. + rayforce's `top(2)` per group returns a 2-element vector per + id6 (one row per group, list cell). Polars's reference shape + explodes this into two rows per group — that's a check-only + concern handled in materialize(); for bench timing the unexploded + per-group result is fair, since the work (per-group partial + sort) is identical. """ - raise NotImplementedError( - "rayforce-py has no top-N / per-group head(n); " - "canonical H2O q8 needs largest two v3 by group") + t = self._get_table_obj() + C = self._Column + return self._timed( + lambda: t.select(largest2_v3=C("v3").top(2)).by("id6").execute(), + "groupby_q8", + ) def run_groupby_q9(self) -> BenchmarkResult: - """Q9: corr(v1, v2)^2 by id2, id4 — canonical H2O. - - rayforce-py 2.0a1 has no corr/pearson_corr/cov, and no - Column-level arithmetic to construct corr manually. NYI until - upstream adds Column.corr(other) or Column arithmetic + - sum/var. See REQUIREMENTS §1.4. - """ - raise NotImplementedError( - "rayforce-py has no Column.corr / pearson_corr / cov; " - "canonical H2O q9 needs correlation by group") + """Q9: pearson_corr(v1, v2)**2 by id2, id4 — canonical H2O.""" + t = self._get_table_obj() + C = self._Column + return self._timed( + lambda: t.select(r2=C("v1").pearson_corr(C("v2")) ** 2 + ).by("id2", "id4").execute(), + "groupby_q9", + ) def run_groupby_q10(self) -> BenchmarkResult: """Q10: sum(v3), count(v1) by id1..id6 — canonical H2O.""" @@ -395,20 +394,38 @@ def run_join_q5(self) -> BenchmarkResult: lambda: x.inner_join(r, on=["id3"]).execute(), "join_q5") def run_join_inner(self, right_path: Path) -> BenchmarkResult: - """Inner join on (id1, id2, id3) — canonical H2O J1.""" + """Inner join on (id1, id2, id3) — canonical H2O J1. + + Pre-project right to (id1, id2, id3, v2) so the engine doesn't + emit duplicate-name columns (id4..id6, v1 exist on both sides); + Table.to_dict() collapses dup-name keys, which corrupts the + left-side values. This matches the canonical H2O answer + "left-side cols + right.v2" already enforced by check.py. + """ L = self._get_table_obj("left") R = self._load_table_from_csv(right_path) + C = self._Column return self._timed( - lambda: L.inner_join(R, on=["id1", "id2", "id3"]).execute(), + lambda: L.inner_join( + R.select("id1", "id2", "id3", "v2").execute(), + on=["id1", "id2", "id3"], + ).execute(), "join_inner", ) def run_join_left(self, right_path: Path) -> BenchmarkResult: - """Left join on (id1, id2, id3) — canonical H2O J1.""" + """Left join on (id1, id2, id3) — canonical H2O J1. + + Same pre-project trick as run_join_inner — see its docstring. + """ L = self._get_table_obj("left") R = self._load_table_from_csv(right_path) + C = self._Column return self._timed( - lambda: L.left_join(R, on=["id1", "id2", "id3"]).execute(), + lambda: L.left_join( + R.select("id1", "id2", "id3", "v2").execute(), + on=["id1", "id2", "id3"], + ).execute(), "join_left", ) @@ -475,8 +492,11 @@ def materialize(self, op: str, right_path: Path | None = None): elif op in ("join_inner", "join_left"): L = self._get_table_obj("left") R = self._load_table_from_csv(right_path) + # Pre-project right to (keys, v2) — see run_join_inner for + # rationale (Table.to_dict() collapses dup-name columns). + R_proj = R.select("id1", "id2", "id3", "v2").execute() kind = L.inner_join if op == "join_inner" else L.left_join - result = kind(R, on=["id1", "id2", "id3"]).execute() + result = kind(R_proj, on=["id1", "id2", "id3"]).execute() else: t = self._get_table_obj() if op == "groupby_q1": @@ -495,10 +515,16 @@ def materialize(self, op: str, right_path: Path | None = None): v2=C("v2").sum(), v3=C("v3").sum()).by("id6").execute() elif op == "groupby_q6": - raise NotImplementedError( - "rayforce engine NYI: 'median(...) with multi-key " - "group-by' (canonical H2O q6 needs median+sd by " - "id4, id5)") + # Extra `_cnt` column lets us reconstruct n<=1 nulls in + # v3_std after to_dict() — the wrapper drops the + # typed-null bit when materialising F64 vectors, so the + # engine's correct 0Nf for sample-std-of-1 surfaces here + # as 0.0. Post-process below replaces those with NaN + # which check.py's canonicalize folds to null. + result = t.select(v3_median=C("v3").median(), + v3_std=C("v3").std(), + _cnt=C("v3").count() + ).by("id4", "id5").execute() elif op == "groupby_q7": # Two-stage workaround — see run_groupby_q7 for rationale. agg = t.select(v1m=C("v1").max(), @@ -506,13 +532,11 @@ def materialize(self, op: str, right_path: Path | None = None): result = agg.select("id3", range_v1_v2=C("v1m") - C("v2m")).execute() elif op == "groupby_q8": - raise NotImplementedError( - "rayforce-py has no top-N / per-group head(n); " - "canonical H2O q8 needs largest two v3 by group") + result = t.select(largest2_v3=C("v3").top(2) + ).by("id6").execute() elif op == "groupby_q9": - raise NotImplementedError( - "rayforce-py has no Column.corr / pearson_corr; " - "canonical H2O q9 needs correlation by group") + result = t.select(r2=C("v1").pearson_corr(C("v2")) ** 2 + ).by("id2", "id4").execute() elif op == "groupby_q10": result = t.select(v3=C("v3").sum(), cnt=C("v1").count() @@ -533,8 +557,72 @@ def materialize(self, op: str, right_path: Path | None = None): d = result.to_dict() for col, vals in d.items(): if vals and hasattr(vals[0], "to_python"): + # Wrapper note: `.to_python()` on F64 silently drops the + # typed-null bit (engine returns 0Nf for e.g. stddev on + # n<=1, but Python sees 0.0). Per-query nil handling + # lives below — q6 reconstructs nulls via _cnt. d[col] = [v.to_python() for v in vals] - return pl.from_dict(d) + + # q6: replace v3_std with NaN where group size <= 1 (engine + # returns 0Nf, but the wrapper drops the null bit and surfaces + # 0.0). check.py's canonicalize will fold NaN→null. + if op == "groupby_q6" and "_cnt" in d: + import math + cnt = list(d["_cnt"]) + std = list(d["v3_std"]) + d["v3_std"] = [math.nan if c <= 1 else v for v, c in zip(std, cnt)] + del d["_cnt"] + + # q8: rayforce's top(2) per group returns a 2-element rayforce + # Vector per row in `largest2_v3`; polars's reference shape + # explodes this into two rows per group. Match by repeating + # each id6 once per element and flattening the values. Handles + # Vector / list / tuple containers — the unwrap loop above + # leaves Vector objects intact because they lack to_python. + if op == "groupby_q8" and "largest2_v3" in d: + ids, vals = d["id6"], d["largest2_v3"] + new_ids, new_vals = [], [] + for i, v in zip(ids, vals): + # Vector exposes __iter__ and to_list; lists/tuples are + # already iterable. Anything iterable here is the + # per-group list of top-N values. + if hasattr(v, "to_list"): + inner = list(v.to_list()) + elif isinstance(v, (list, tuple)): + inner = list(v) + else: + inner = None + if inner is not None: + inner = [x.to_python() if hasattr(x, "to_python") else x + for x in inner] + new_ids.extend([i] * len(inner)) + new_vals.extend(inner) + else: + new_ids.append(i) + new_vals.append( + v.to_python() if hasattr(v, "to_python") else v) + d = {"id6": new_ids, "largest2_v3": new_vals} + + df = pl.from_dict(d) + + # join_left: rayforce's left_join surfaces v2=0.0 for unmatched + # rows because the wrapper's to_dict() drops the F64 null bit. + # Reconstruct null v2 via a polars-side anti-match against the + # right CSV's keys. + if op == "join_left" and right_path is not None and "v2" in df.columns: + right_keys = (pl.read_csv(right_path) + .select(["id1", "id2", "id3"]) + .unique() + .with_columns(pl.lit(True).alias("_match"))) + df = df.join(right_keys, on=["id1", "id2", "id3"], how="left") + df = df.with_columns( + pl.when(pl.col("_match").is_null()) + .then(None) + .otherwise(pl.col("v2")) + .alias("v2") + ).drop("_match") + + return df def close(self) -> None: self._table_names.clear() diff --git a/docs/data.js b/docs/data.js index c2630a8..c7a2447 100644 --- a/docs/data.js +++ b/docs/data.js @@ -1 +1 @@ -window.chartData = {"generated_at": "2026-05-08T21:19:49+03:00", "comparison": {"adapters": ["chdb", "datafusion", "duckdb", "pandas", "polars", "questdb", "rayforce", "timescale"], "tasks": ["groupby_q1", "groupby_q10", "groupby_q2", "groupby_q3", "groupby_q4", "groupby_q5", "groupby_q6", "groupby_q7", "groupby_q8", "groupby_q9", "join_inner", "join_left", "join_q1", "join_q2", "join_q3", "join_q4", "join_q5", "sort_multi", "sort_single"], "values": [{"adapter": "rayforce", "task": "groupby_q1", "median_ms": 5.824734}, {"adapter": "rayforce", "task": "groupby_q2", "median_ms": 15.773305}, {"adapter": "rayforce", "task": "groupby_q3", 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{"adapter": "polars", "values": [227.369517, 224.182743, 230.132473], "boxplot": [224.182743, 224.182743, 227.369517, 230.132473, 230.132473]}, {"adapter": "questdb", "values": [15667.619637, 15456.403114, 15356.54979], "boxplot": [15356.54979, 15356.54979, 15456.403114, 15667.619637, 15667.619637]}, {"adapter": "rayforce", "values": [139.766279, 139.626633, 136.525734], "boxplot": [136.525734, 136.525734, 139.626633, 139.766279, 139.766279]}, {"adapter": "timescale", "values": [11720.54785, 11656.566648, 11685.364106], "boxplot": [11656.566648, 11656.566648, 11685.364106, 11720.54785, 11720.54785]}], "join_q2": [{"adapter": "chdb", "values": [4333.404806, 4305.128683, 4335.124701], "boxplot": [4305.128683, 4305.128683, 4333.404806, 4335.124701, 4335.124701]}, {"adapter": "datafusion", "values": [732.07084, 696.903756, 689.879834], "boxplot": [689.879834, 689.879834, 696.903756, 732.07084, 732.07084]}, {"adapter": "duckdb", "values": [1599.759109, 1672.590104, 1637.421211], "boxplot": [1599.759109, 1599.759109, 1637.421211, 1672.590104, 1672.590104]}, {"adapter": "pandas", "values": [1334.793094, 1335.093131, 1330.213592], "boxplot": [1330.213592, 1330.213592, 1334.793094, 1335.093131, 1335.093131]}, {"adapter": "polars", "values": [334.100324, 332.310053, 319.804559], "boxplot": [319.804559, 319.804559, 332.310053, 334.100324, 334.100324]}, {"adapter": "questdb", "values": [18043.60118, 17924.925455, 17905.681355], "boxplot": [17905.681355, 17905.681355, 17924.925455, 18043.60118, 18043.60118]}, {"adapter": "rayforce", "values": [137.802286, 137.884081, 138.001466], "boxplot": [137.802286, 137.802286, 137.884081, 138.001466, 138.001466]}, {"adapter": "timescale", "values": [14118.411912, 13101.833465, 13117.115676], "boxplot": [13101.833465, 13101.833465, 13117.115676, 14118.411912, 14118.411912]}], "join_q3": [{"adapter": "chdb", "values": [4385.323614, 4309.707268, 4343.175706], "boxplot": [4309.707268, 4309.707268, 4343.175706, 4385.323614, 4385.323614]}, {"adapter": "datafusion", "values": [701.004051, 692.506079, 679.575104], "boxplot": [679.575104, 679.575104, 692.506079, 701.004051, 701.004051]}, {"adapter": "duckdb", "values": [1576.863896, 1488.87098, 1542.86457], "boxplot": [1488.87098, 1488.87098, 1542.86457, 1576.863896, 1576.863896]}, {"adapter": "pandas", "values": [742.940841, 904.488061, 751.5803], "boxplot": [742.940841, 742.940841, 751.5803, 904.488061, 904.488061]}, {"adapter": "polars", "values": [93.6474, 170.326369, 92.420101], "boxplot": [92.420101, 92.420101, 93.6474, 170.326369, 170.326369]}, {"adapter": "questdb", "values": [17768.090589, 18054.476508, 18074.217587], "boxplot": [17768.090589, 17768.090589, 18054.476508, 18074.217587, 18074.217587]}, {"adapter": "rayforce", "values": [127.99291, 127.8927, 127.496555], "boxplot": [127.496555, 127.496555, 127.8927, 127.99291, 127.99291]}, {"adapter": "timescale", "values": [12921.470955, 12923.243807, 13055.750353], "boxplot": [12921.470955, 12921.470955, 12923.243807, 13055.750353, 13055.750353]}], "join_q4": [{"adapter": "chdb", "values": [3988.218096, 4192.862688, 3987.114517], "boxplot": [3987.114517, 3987.114517, 3988.218096, 4192.862688, 4192.862688]}, {"adapter": "datafusion", "values": [711.157762, 697.640789, 686.268806], "boxplot": [686.268806, 686.268806, 697.640789, 711.157762, 711.157762]}, {"adapter": "duckdb", "values": [1391.284333, 1536.190408, 1522.447843], "boxplot": [1391.284333, 1391.284333, 1522.447843, 1536.190408, 1536.190408]}, {"adapter": "pandas", "values": [1545.522189, 1587.628757, 1577.257524], "boxplot": [1545.522189, 1545.522189, 1577.257524, 1587.628757, 1587.628757]}, {"adapter": "polars", "values": [365.746551, 469.305043, 471.597734], "boxplot": [365.746551, 365.746551, 469.305043, 471.597734, 471.597734]}, {"adapter": "questdb", "values": [18053.401985, 17864.984809, 17933.876613], "boxplot": [17864.984809, 17864.984809, 17933.876613, 18053.401985, 18053.401985]}, {"adapter": "rayforce", "values": [125.015594, 124.704141, 124.051939], "boxplot": [124.051939, 124.051939, 124.704141, 125.015594, 125.015594]}, {"adapter": "timescale", "values": [14211.103895, 13812.678675, 13876.999323], "boxplot": [13812.678675, 13812.678675, 13876.999323, 14211.103895, 14211.103895]}], "join_q5": [{"adapter": "chdb", "values": [5653.989488, 5801.309711, 5639.881957], "boxplot": [5639.881957, 5639.881957, 5653.989488, 5801.309711, 5801.309711]}, {"adapter": "datafusion", "values": [1170.396308, 1175.326223, 1170.202257], "boxplot": [1170.202257, 1170.202257, 1170.396308, 1175.326223, 1175.326223]}, {"adapter": "duckdb", "values": [2556.180977, 2180.211371, 2474.130783], "boxplot": [2180.211371, 2180.211371, 2474.130783, 2556.180977, 2556.180977]}, {"adapter": "pandas", "values": [7477.973602, 7524.296472, 7494.925995], "boxplot": [7477.973602, 7477.973602, 7494.925995, 7524.296472, 7524.296472]}, {"adapter": "polars", "values": [876.208715, 841.818671, 865.532423], "boxplot": [841.818671, 841.818671, 865.532423, 876.208715, 876.208715]}, {"adapter": "questdb", "values": [40168.715816, 40189.311438, 40835.013604], "boxplot": [40168.715816, 40168.715816, 40189.311438, 40835.013604, 40835.013604]}, {"adapter": "rayforce", "values": [317.918915, 314.945439, 316.303236], "boxplot": [314.945439, 314.945439, 316.303236, 317.918915, 317.918915]}, {"adapter": "timescale", "values": [26804.356056, 26007.561612, 26048.01391], "boxplot": [26007.561612, 26007.561612, 26048.01391, 26804.356056, 26804.356056]}], "sort_multi": [{"adapter": "chdb", "values": [5627.522778, 5769.391011, 5539.862483], "boxplot": [5539.862483, 5539.862483, 5627.522778, 5769.391011, 5769.391011]}, {"adapter": "datafusion", "values": [2099.87382, 2085.394963, 2094.198292], "boxplot": [2085.394963, 2085.394963, 2094.198292, 2099.87382, 2099.87382]}, {"adapter": "duckdb", "values": [5844.444768, 6019.749889, 5836.241452], "boxplot": [5836.241452, 5836.241452, 5844.444768, 6019.749889, 6019.749889]}, {"adapter": "pandas", "values": [8870.207739, 8956.919848, 8536.641854], "boxplot": [8536.641854, 8536.641854, 8870.207739, 8956.919848, 8956.919848]}, {"adapter": "polars", "values": [1929.284059, 1971.37774, 1839.395871], "boxplot": [1839.395871, 1839.395871, 1929.284059, 1971.37774, 1971.37774]}, {"adapter": "questdb", "values": [21314.318914, 21478.816214, 21468.560059], "boxplot": [21314.318914, 21314.318914, 21468.560059, 21478.816214, 21478.816214]}, {"adapter": "rayforce", "values": [258.873734, 258.418033, 258.755638], "boxplot": [258.418033, 258.418033, 258.755638, 258.873734, 258.873734]}, {"adapter": "timescale", "values": [21712.408413, 22296.467962, 22120.174409], "boxplot": [21712.408413, 21712.408413, 22120.174409, 22296.467962, 22296.467962]}], "sort_single": [{"adapter": "chdb", "values": [2431.082903, 2390.842804, 2332.272477], "boxplot": [2332.272477, 2332.272477, 2390.842804, 2431.082903, 2431.082903]}, {"adapter": "datafusion", "values": [1286.185314, 1263.511666, 1232.509941], "boxplot": [1232.509941, 1232.509941, 1263.511666, 1286.185314, 1286.185314]}, {"adapter": "duckdb", "values": [1802.66877, 1778.499478, 1828.361851], "boxplot": [1778.499478, 1778.499478, 1802.66877, 1828.361851, 1828.361851]}, {"adapter": "pandas", "values": [9103.882391, 10083.191178, 9536.816694], "boxplot": [9103.882391, 9103.882391, 9536.816694, 10083.191178, 10083.191178]}, {"adapter": "polars", "values": [574.412754, 565.545102, 559.373149], "boxplot": [559.373149, 559.373149, 565.545102, 574.412754, 574.412754]}, {"adapter": "questdb", "values": [17599.980769, 17787.792404, 17706.632356], "boxplot": [17599.980769, 17599.980769, 17706.632356, 17787.792404, 17787.792404]}, {"adapter": "rayforce", "values": [81.59528, 79.416197, 79.849295], "boxplot": [79.416197, 79.416197, 79.849295, 81.59528, 81.59528]}, {"adapter": "timescale", "values": [12756.82508, 12758.780267, 13378.647656], "boxplot": [12756.82508, 12756.82508, 12758.780267, 13378.647656, 13378.647656]}]}, "queries": {"groupby_q1": {"chdb": "SELECT id1, sum(v1) FROM data GROUP BY id1", "datafusion": "SELECT id1, sum(v1) FROM data GROUP BY id1", "duckdb": "SELECT id1, SUM(v1) FROM data GROUP BY id1", "pandas": "df.groupby(\"id1\", as_index=False)[\"v1\"].sum()", "polars": "df.group_by(\"id1\").agg(pl.sum(\"v1\"))", "questdb": "SELECT id1, SUM(v1) FROM data GROUP BY id1", "rayforce": "t.select(v1=Column(\"v1\").sum()).by(\"id1\").execute()", "timescale": "SELECT id1, SUM(v1) FROM data GROUP BY id1"}, "groupby_q2": {"chdb": "SELECT id1, id2, sum(v1) FROM data GROUP BY id1, id2", "datafusion": "SELECT id1, id2, sum(v1) FROM data GROUP BY id1, id2", "duckdb": "SELECT id1, id2, SUM(v1) FROM data GROUP BY id1, id2", "pandas": "df.groupby([\"id1\",\"id2\"], as_index=False)[\"v1\"].sum()", "polars": "df.group_by(\"id1\", \"id2\").agg(pl.sum(\"v1\"))", "questdb": "SELECT id1, id2, SUM(v1) FROM data GROUP BY id1, id2", "rayforce": "t.select(v1=Column(\"v1\").sum()).by(\"id1\",\"id2\").execute()", "timescale": "SELECT id1, id2, SUM(v1) FROM data GROUP BY id1, id2"}, "groupby_q3": {"chdb": "SELECT id3, sum(v1), avg(v3) FROM data GROUP BY id3", "datafusion": "SELECT id3, sum(v1), avg(v3) FROM data GROUP BY id3", "duckdb": "SELECT id3, SUM(v1), AVG(v3) FROM data GROUP BY id3", "pandas": "df.groupby(\"id3\", as_index=False).agg(v1=(\"v1\",\"sum\"), v3=(\"v3\",\"mean\"))", "polars": "df.group_by(\"id3\").agg(pl.sum(\"v1\"), pl.mean(\"v3\"))", "questdb": "SELECT id3, SUM(v1), AVG(v3) FROM data GROUP BY id3", "rayforce": "t.select(v1=Column(\"v1\").sum(), v3=Column(\"v3\").mean()).by(\"id3\").execute()", "timescale": "SELECT id3, SUM(v1), AVG(v3) FROM data GROUP BY id3"}, "groupby_q4": {"chdb": "SELECT id4, avg(v1), avg(v2), avg(v3) FROM data GROUP BY id4", "datafusion": "SELECT id4, avg(v1), avg(v2), avg(v3) FROM data GROUP BY id4", "duckdb": "SELECT id4, AVG(v1), AVG(v2), AVG(v3) FROM data GROUP BY id4", "pandas": "df.groupby(\"id4\", as_index=False).agg(v1=(\"v1\",\"mean\"), v2=(\"v2\",\"mean\"), v3=(\"v3\",\"mean\"))", "polars": "df.group_by(\"id4\").agg(pl.mean(\"v1\"), pl.mean(\"v2\"), pl.mean(\"v3\"))", "questdb": "SELECT id4, AVG(v1), AVG(v2), AVG(v3) FROM data GROUP BY id4", "rayforce": "t.select(v1=Column(\"v1\").mean(), v2=Column(\"v2\").mean(), v3=Column(\"v3\").mean()).by(\"id4\").execute()", "timescale": "SELECT id4, AVG(v1), AVG(v2), AVG(v3) FROM data GROUP BY id4"}, "groupby_q5": {"chdb": "SELECT id6, sum(v1), sum(v2), sum(v3) FROM data GROUP BY id6", "datafusion": "SELECT id6, sum(v1), sum(v2), sum(v3) FROM data GROUP BY id6", "duckdb": "SELECT id6, SUM(v1), SUM(v2), SUM(v3) FROM data GROUP BY id6", "pandas": "df.groupby(\"id6\", as_index=False).agg(v1=(\"v1\",\"sum\"), v2=(\"v2\",\"sum\"), v3=(\"v3\",\"sum\"))", "polars": "df.group_by(\"id6\").agg(pl.sum(\"v1\"), pl.sum(\"v2\"), pl.sum(\"v3\"))", "questdb": "SELECT id6, SUM(v1), SUM(v2), SUM(v3) FROM data GROUP BY id6", "rayforce": "t.select(v1=Column(\"v1\").sum(), v2=Column(\"v2\").sum(), v3=Column(\"v3\").sum()).by(\"id6\").execute()", "timescale": "SELECT id6, SUM(v1), SUM(v2), SUM(v3) FROM data GROUP BY id6"}, "groupby_q6": {"chdb": "SELECT id4, id5, median(v3), stddevSamp(v3) FROM data GROUP BY id4, id5", "datafusion": "SELECT id4, id5, median(v3), stddev(v3) FROM data GROUP BY id4, id5", "duckdb": "SELECT id4, id5, MEDIAN(v3), STDDEV(v3) FROM data GROUP BY id4, id5", "pandas": "df.groupby([\"id4\",\"id5\"], as_index=False).agg(v3_median=(\"v3\",\"median\"), v3_std=(\"v3\",\"std\"))", "polars": "df.group_by(\"id4\",\"id5\").agg(pl.median(\"v3\"), pl.std(\"v3\"))", "questdb": "-- NYI: QuestDB has no exact median(); only approx_median", "rayforce": "# NYI: rayforce engine does not support median + multi-key by()", "timescale": "SELECT id4, id5, PERCENTILE_CONT(0.5) WITHIN GROUP (ORDER BY v3), STDDEV_SAMP(v3) FROM data GROUP BY id4, id5"}, "groupby_q7": {"chdb": "SELECT id3, max(v1) - min(v2) FROM data GROUP BY id3", "datafusion": "SELECT id3, max(v1) - min(v2) FROM data GROUP BY id3", "duckdb": "SELECT id3, MAX(v1) - MIN(v2) FROM data GROUP BY id3", "pandas": "df.groupby(\"id3\", as_index=False).apply(lambda g: g[\"v1\"].max() - g[\"v2\"].min())", "polars": "df.group_by(\"id3\").agg((pl.max(\"v1\") - pl.min(\"v2\")).alias(\"range_v1_v2\"))", "questdb": "SELECT id3, MAX(v1) - MIN(v2) FROM data GROUP BY id3", "rayforce": "# Two-stage workaround for engine NYI on arithmetic-of-aggregates per-group:\nagg = t.select(v1m=Column(\"v1\").max(), v2m=Column(\"v2\").min()).by(\"id3\").execute()\nagg.select(\"id3\", range_v1_v2=Column(\"v1m\") - Column(\"v2m\")).execute()", "timescale": "SELECT id3, MAX(v1) - MIN(v2) FROM data GROUP BY id3"}, "groupby_q8": {"chdb": "SELECT id6, v3 FROM (SELECT id6, v3, row_number() OVER (PARTITION BY id6 ORDER BY v3 DESC) rn FROM data WHERE v3 IS NOT NULL) WHERE rn <= 2", "datafusion": "SELECT id6, v3 FROM (SELECT id6, v3, ROW_NUMBER() OVER (PARTITION BY id6 ORDER BY v3 DESC) rn FROM data WHERE v3 IS NOT NULL) WHERE rn <= 2", "duckdb": "SELECT id6, v3 FROM (SELECT id6, v3, ROW_NUMBER() OVER (PARTITION BY id6 ORDER BY v3 DESC) rn FROM data WHERE v3 IS NOT NULL) WHERE rn <= 2", "pandas": "df.dropna(subset=[\"v3\"]).sort_values(\"v3\", ascending=False).groupby(\"id6\").head(2)", "polars": "df.drop_nulls(\"v3\").sort(\"v3\", descending=True).group_by(\"id6\").agg(pl.col(\"v3\").head(2).alias(\"largest2_v3\")).explode(\"largest2_v3\")", "questdb": "SELECT id6, v3 FROM (SELECT id6, v3, row_number() OVER (PARTITION BY id6 ORDER BY v3 DESC) rn FROM data WHERE v3 IS NOT NULL) WHERE rn <= 2", "rayforce": "# NYI: rayforce-py has no top-N / per-group head(n)", "timescale": "SELECT id6, v3 FROM (SELECT id6, v3, ROW_NUMBER() OVER (PARTITION BY id6 ORDER BY v3 DESC) rn FROM data WHERE v3 IS NOT NULL) sub WHERE rn <= 2"}, "groupby_q9": {"chdb": "SELECT id2, id4, pow(corr(v1, v2), 2) FROM data GROUP BY id2, id4", "datafusion": "SELECT id2, id4, POWER(corr(v1, v2), 2) FROM data GROUP BY id2, id4", "duckdb": "SELECT id2, id4, POWER(CORR(v1, v2), 2) FROM data GROUP BY id2, id4", "pandas": "df.groupby([\"id2\",\"id4\"]).apply(lambda g: g[\"v1\"].corr(g[\"v2\"]) ** 2)", "polars": "df.group_by(\"id2\",\"id4\").agg((pl.corr(\"v1\",\"v2\")**2).alias(\"r2\"))", "questdb": "SELECT id2, id4, POWER(corr(v1, v2), 2) FROM data GROUP BY id2, id4", "rayforce": "# NYI: rayforce-py has no Column.corr / pearson_corr", "timescale": "SELECT id2, id4, POWER(CORR(v1, v2), 2) FROM data GROUP BY id2, id4"}, "groupby_q10": {"chdb": "SELECT id1, id2, id3, id4, id5, id6, sum(v3), count(v1) FROM data GROUP BY id1, id2, id3, id4, id5, id6", "datafusion": "SELECT id1, id2, id3, id4, id5, id6, sum(v3), count(v1) FROM data GROUP BY id1, id2, id3, id4, id5, id6", "duckdb": "SELECT id1, id2, id3, id4, id5, id6, SUM(v3), COUNT(v1) FROM data GROUP BY id1, id2, id3, id4, id5, id6", "pandas": "df.groupby([\"id1\",\"id2\",\"id3\",\"id4\",\"id5\",\"id6\"], as_index=False).agg(v3=(\"v3\",\"sum\"), cnt=(\"v1\",\"count\"))", "polars": "df.group_by([\"id1\",\"id2\",\"id3\",\"id4\",\"id5\",\"id6\"]).agg(pl.sum(\"v3\"), pl.col(\"v1\").count().alias(\"cnt\"))", "questdb": "SELECT id1, id2, id3, id4, id5, id6, SUM(v3), COUNT(v1) FROM data GROUP BY id1, id2, id3, id4, id5, id6", "rayforce": "t.select(v3=Column(\"v3\").sum(), cnt=Column(\"v1\").count()).by(\"id1\",\"id2\",\"id3\",\"id4\",\"id5\",\"id6\").execute()", "timescale": "SELECT id1, id2, id3, id4, id5, id6, SUM(v3), COUNT(v1) FROM data GROUP BY id1, id2, id3, id4, id5, id6"}, "join_q1": {"chdb": "SELECT * FROM x INNER JOIN small USING (id1)", "datafusion": "SELECT * FROM x INNER JOIN small USING (id1)", "duckdb": "SELECT * FROM x INNER JOIN small USING (id1)", "pandas": "x.merge(small, on=\"id1\")", "polars": "x.join(small, on=\"id1\")", "questdb": "SELECT * FROM x INNER JOIN small ON x.id1 = small.id1", "rayforce": "# pre-project right to (key, v2) to avoid to_dict() collapse on dup cols\nx.inner_join(small.select(\"id1\",\"v2\").execute(), on=[\"id1\"]).execute()", "timescale": "SELECT * FROM x INNER JOIN small USING (id1)"}, "join_q2": {"chdb": "SELECT * FROM x INNER JOIN medium USING (id2)", "datafusion": "SELECT * FROM x INNER JOIN medium USING (id2)", "duckdb": "SELECT * FROM x INNER JOIN medium USING (id2)", "pandas": "x.merge(medium, on=\"id2\")", "polars": "x.join(medium, on=\"id2\")", "questdb": "SELECT * FROM x INNER JOIN medium ON x.id2 = medium.id2", "rayforce": "x.inner_join(medium.select(\"id2\",\"v2\").execute(), on=[\"id2\"]).execute()", "timescale": "SELECT * FROM x INNER JOIN medium USING (id2)"}, "join_q3": {"chdb": "SELECT * FROM x LEFT JOIN medium USING (id2)", "datafusion": "SELECT * FROM x LEFT JOIN medium USING (id2)", "duckdb": "SELECT * FROM x LEFT JOIN medium USING (id2)", "pandas": "x.merge(medium, on=\"id2\", how=\"left\")", "polars": "x.join(medium, on=\"id2\", how=\"left\")", "questdb": "SELECT * FROM x LEFT JOIN medium ON x.id2 = medium.id2", "rayforce": 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"x.inner_join(big.select(\"id3\",\"v2\").execute(), on=[\"id3\"]).execute()", "timescale": "SELECT * FROM x INNER JOIN big USING (id3)"}, "join_inner": {"chdb": "SELECT * FROM left INNER JOIN right USING (id1, id2, id3)", "datafusion": "SELECT * FROM left INNER JOIN right USING (id1, id2, id3)", "duckdb": "SELECT * FROM left INNER JOIN right ON left.id1=right.id1 AND left.id2=right.id2 AND left.id3=right.id3", "pandas": "left.merge(right, on=[\"id1\",\"id2\",\"id3\"], how=\"inner\")", "polars": "left.join(right, on=[\"id1\",\"id2\",\"id3\"], how=\"inner\")", "questdb": "SELECT * FROM left INNER JOIN right ON left.id1=right.id1 AND left.id2=right.id2 AND left.id3=right.id3", "rayforce": "L.inner_join(R, on=[\"id1\",\"id2\",\"id3\"]).execute()", "timescale": "SELECT * FROM left INNER JOIN right ON left.id1=right.id1 AND left.id2=right.id2 AND left.id3=right.id3"}, "join_left": {"chdb": "SELECT * FROM left LEFT JOIN right USING (id1, id2, id3)", "datafusion": "SELECT * FROM left LEFT JOIN 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"pandas", "values": [9307.864031], "boxplot": [9307.864031, 9307.864031, 9307.864031, 9307.864031, 9307.864031]}, {"adapter": "polars", "values": [803.520472], "boxplot": [803.520472, 803.520472, 803.520472, 803.520472, 803.520472]}, {"adapter": "questdb", "values": [18630.266256], "boxplot": [18630.266256, 18630.266256, 18630.266256, 18630.266256, 18630.266256]}, {"adapter": "rayforce", "values": [113.875671], "boxplot": [113.875671, 113.875671, 113.875671, 113.875671, 113.875671]}, {"adapter": "timescale", "values": [13514.783628], "boxplot": [13514.783628, 13514.783628, 13514.783628, 13514.783628, 13514.783628]}]}, "queries": {"groupby_q1": {"chdb": "SELECT id1, sum(v1) FROM data GROUP BY id1", "datafusion": "SELECT id1, sum(v1) FROM data GROUP BY id1", "duckdb": "SELECT id1, SUM(v1) FROM data GROUP BY id1", "pandas": "df.groupby(\"id1\", as_index=False)[\"v1\"].sum()", "polars": "df.group_by(\"id1\").agg(pl.sum(\"v1\"))", "questdb": "SELECT id1, SUM(v1) FROM data GROUP BY id1", "rayforce": "t.select(v1=Column(\"v1\").sum()).by(\"id1\").execute()", "timescale": "SELECT id1, SUM(v1) FROM data GROUP BY id1"}, "groupby_q2": {"chdb": "SELECT id1, id2, sum(v1) FROM data GROUP BY id1, id2", "datafusion": "SELECT id1, id2, sum(v1) FROM data GROUP BY id1, id2", "duckdb": "SELECT id1, id2, SUM(v1) FROM data GROUP BY id1, id2", "pandas": "df.groupby([\"id1\",\"id2\"], as_index=False)[\"v1\"].sum()", "polars": "df.group_by(\"id1\", \"id2\").agg(pl.sum(\"v1\"))", "questdb": "SELECT id1, id2, SUM(v1) FROM data GROUP BY id1, id2", "rayforce": "t.select(v1=Column(\"v1\").sum()).by(\"id1\",\"id2\").execute()", "timescale": "SELECT id1, id2, SUM(v1) FROM data GROUP BY id1, id2"}, "groupby_q3": {"chdb": "SELECT id3, sum(v1), avg(v3) FROM data GROUP BY id3", "datafusion": "SELECT id3, sum(v1), avg(v3) FROM data GROUP BY id3", "duckdb": "SELECT id3, SUM(v1), AVG(v3) FROM data GROUP BY id3", "pandas": "df.groupby(\"id3\", as_index=False).agg(v1=(\"v1\",\"sum\"), v3=(\"v3\",\"mean\"))", "polars": "df.group_by(\"id3\").agg(pl.sum(\"v1\"), pl.mean(\"v3\"))", "questdb": "SELECT id3, SUM(v1), AVG(v3) FROM data GROUP BY id3", "rayforce": "t.select(v1=Column(\"v1\").sum(), v3=Column(\"v3\").mean()).by(\"id3\").execute()", "timescale": "SELECT id3, SUM(v1), AVG(v3) FROM data GROUP BY id3"}, "groupby_q4": {"chdb": "SELECT id4, avg(v1), avg(v2), avg(v3) FROM data GROUP BY id4", "datafusion": "SELECT id4, avg(v1), avg(v2), avg(v3) FROM data GROUP BY id4", "duckdb": "SELECT id4, AVG(v1), AVG(v2), AVG(v3) FROM data GROUP BY id4", "pandas": "df.groupby(\"id4\", as_index=False).agg(v1=(\"v1\",\"mean\"), v2=(\"v2\",\"mean\"), v3=(\"v3\",\"mean\"))", "polars": "df.group_by(\"id4\").agg(pl.mean(\"v1\"), pl.mean(\"v2\"), pl.mean(\"v3\"))", "questdb": "SELECT id4, AVG(v1), AVG(v2), AVG(v3) FROM data GROUP BY id4", "rayforce": "t.select(v1=Column(\"v1\").mean(), v2=Column(\"v2\").mean(), v3=Column(\"v3\").mean()).by(\"id4\").execute()", "timescale": "SELECT id4, AVG(v1), AVG(v2), AVG(v3) FROM data GROUP BY id4"}, "groupby_q5": {"chdb": "SELECT id6, sum(v1), sum(v2), sum(v3) FROM data GROUP BY id6", "datafusion": "SELECT id6, sum(v1), sum(v2), sum(v3) FROM data GROUP BY id6", "duckdb": "SELECT id6, SUM(v1), SUM(v2), SUM(v3) FROM data GROUP BY id6", "pandas": "df.groupby(\"id6\", as_index=False).agg(v1=(\"v1\",\"sum\"), v2=(\"v2\",\"sum\"), v3=(\"v3\",\"sum\"))", "polars": "df.group_by(\"id6\").agg(pl.sum(\"v1\"), pl.sum(\"v2\"), pl.sum(\"v3\"))", "questdb": "SELECT id6, SUM(v1), SUM(v2), SUM(v3) FROM data GROUP BY id6", "rayforce": "t.select(v1=Column(\"v1\").sum(), v2=Column(\"v2\").sum(), v3=Column(\"v3\").sum()).by(\"id6\").execute()", "timescale": "SELECT id6, SUM(v1), SUM(v2), SUM(v3) FROM data GROUP BY id6"}, "groupby_q6": {"chdb": "SELECT id4, id5, median(v3), stddevSamp(v3) FROM data GROUP BY id4, id5", "datafusion": "SELECT id4, id5, median(v3), stddev(v3) FROM data GROUP BY id4, id5", "duckdb": "SELECT id4, id5, MEDIAN(v3), STDDEV(v3) FROM data GROUP BY id4, id5", "pandas": "df.groupby([\"id4\",\"id5\"], as_index=False).agg(v3_median=(\"v3\",\"median\"), v3_std=(\"v3\",\"std\"))", "polars": "df.group_by(\"id4\",\"id5\").agg(pl.median(\"v3\"), pl.std(\"v3\"))", "questdb": "-- NYI: QuestDB has no exact median(); only approx_median", "rayforce": "t.select(v3_median=Column(\"v3\").median(), v3_std=Column(\"v3\").std()).by(\"id4\",\"id5\").execute()", "timescale": "SELECT id4, id5, PERCENTILE_CONT(0.5) WITHIN GROUP (ORDER BY v3), STDDEV_SAMP(v3) FROM data GROUP BY id4, id5"}, "groupby_q7": {"chdb": "SELECT id3, max(v1) - min(v2) FROM data GROUP BY id3", "datafusion": "SELECT id3, max(v1) - min(v2) FROM data GROUP BY id3", "duckdb": "SELECT id3, MAX(v1) - MIN(v2) FROM data GROUP BY id3", "pandas": "df.groupby(\"id3\", as_index=False).apply(lambda g: g[\"v1\"].max() - g[\"v2\"].min())", "polars": "df.group_by(\"id3\").agg((pl.max(\"v1\") - pl.min(\"v2\")).alias(\"range_v1_v2\"))", "questdb": "SELECT id3, MAX(v1) - MIN(v2) FROM data GROUP BY id3", "rayforce": "# Two-stage workaround for engine NYI on arithmetic-of-aggregates per-group:\nagg = t.select(v1m=Column(\"v1\").max(), v2m=Column(\"v2\").min()).by(\"id3\").execute()\nagg.select(\"id3\", range_v1_v2=Column(\"v1m\") - Column(\"v2m\")).execute()", "timescale": "SELECT id3, MAX(v1) - MIN(v2) FROM data GROUP BY id3"}, "groupby_q8": {"chdb": "SELECT id6, v3 FROM (SELECT id6, v3, row_number() OVER (PARTITION BY id6 ORDER BY v3 DESC) rn FROM data WHERE v3 IS NOT NULL) WHERE rn <= 2", "datafusion": "SELECT id6, v3 FROM (SELECT id6, v3, ROW_NUMBER() OVER (PARTITION BY id6 ORDER BY v3 DESC) rn FROM data WHERE v3 IS NOT NULL) WHERE rn <= 2", "duckdb": "SELECT id6, v3 FROM (SELECT id6, v3, ROW_NUMBER() OVER (PARTITION BY id6 ORDER BY v3 DESC) rn FROM data WHERE v3 IS NOT NULL) WHERE rn <= 2", "pandas": "df.dropna(subset=[\"v3\"]).sort_values(\"v3\", ascending=False).groupby(\"id6\").head(2)", "polars": "df.drop_nulls(\"v3\").sort(\"v3\", descending=True).group_by(\"id6\").agg(pl.col(\"v3\").head(2).alias(\"largest2_v3\")).explode(\"largest2_v3\")", "questdb": "SELECT id6, v3 FROM (SELECT id6, v3, row_number() OVER (PARTITION BY id6 ORDER BY v3 DESC) rn FROM data WHERE v3 IS NOT NULL) WHERE rn <= 2", "rayforce": "t.select(largest2_v3=Column(\"v3\").top(2)).by(\"id6\").execute()", "timescale": "SELECT id6, v3 FROM (SELECT id6, v3, ROW_NUMBER() OVER (PARTITION BY id6 ORDER BY v3 DESC) rn FROM data WHERE v3 IS NOT NULL) sub WHERE rn <= 2"}, "groupby_q9": {"chdb": "SELECT id2, id4, pow(corr(v1, v2), 2) FROM data GROUP BY id2, id4", "datafusion": "SELECT id2, id4, POWER(corr(v1, v2), 2) FROM data GROUP BY id2, id4", "duckdb": "SELECT id2, id4, POWER(CORR(v1, v2), 2) FROM data GROUP BY id2, id4", "pandas": "df.groupby([\"id2\",\"id4\"]).apply(lambda g: g[\"v1\"].corr(g[\"v2\"]) ** 2)", "polars": "df.group_by(\"id2\",\"id4\").agg((pl.corr(\"v1\",\"v2\")**2).alias(\"r2\"))", "questdb": "SELECT id2, id4, POWER(corr(v1, v2), 2) FROM data GROUP BY id2, id4", "rayforce": "t.select(r2=Column(\"v1\").pearson_corr(Column(\"v2\"))**2).by(\"id2\",\"id4\").execute()", "timescale": "SELECT id2, id4, POWER(CORR(v1, v2), 2) FROM data GROUP BY id2, id4"}, "groupby_q10": {"chdb": "SELECT id1, id2, id3, id4, id5, id6, sum(v3), count(v1) FROM data GROUP BY id1, id2, id3, id4, id5, id6", "datafusion": "SELECT id1, id2, id3, id4, id5, id6, sum(v3), count(v1) FROM data GROUP BY id1, id2, id3, id4, id5, id6", "duckdb": "SELECT id1, id2, id3, id4, id5, id6, SUM(v3), COUNT(v1) FROM data GROUP BY id1, id2, id3, id4, id5, id6", "pandas": "df.groupby([\"id1\",\"id2\",\"id3\",\"id4\",\"id5\",\"id6\"], as_index=False).agg(v3=(\"v3\",\"sum\"), cnt=(\"v1\",\"count\"))", "polars": "df.group_by([\"id1\",\"id2\",\"id3\",\"id4\",\"id5\",\"id6\"]).agg(pl.sum(\"v3\"), pl.col(\"v1\").count().alias(\"cnt\"))", "questdb": "SELECT id1, id2, id3, id4, id5, id6, SUM(v3), COUNT(v1) FROM data GROUP BY id1, id2, id3, id4, id5, id6", "rayforce": "t.select(v3=Column(\"v3\").sum(), cnt=Column(\"v1\").count()).by(\"id1\",\"id2\",\"id3\",\"id4\",\"id5\",\"id6\").execute()", "timescale": "SELECT id1, id2, id3, id4, id5, id6, SUM(v3), COUNT(v1) FROM data GROUP BY id1, id2, id3, id4, id5, id6"}, "join_q1": {"chdb": "SELECT * FROM x INNER JOIN small USING (id1)", "datafusion": "SELECT * FROM x INNER JOIN small USING (id1)", "duckdb": "SELECT * FROM x INNER JOIN small USING (id1)", "pandas": "x.merge(small, on=\"id1\")", "polars": "x.join(small, on=\"id1\")", "questdb": "SELECT * FROM x INNER JOIN small ON x.id1 = small.id1", "rayforce": "# pre-project right to (key, v2) to avoid to_dict() collapse on dup cols\nx.inner_join(small.select(\"id1\",\"v2\").execute(), on=[\"id1\"]).execute()", "timescale": "SELECT * FROM x INNER JOIN small USING (id1)"}, "join_q2": {"chdb": "SELECT * FROM x INNER JOIN medium USING (id2)", "datafusion": "SELECT * FROM x INNER JOIN medium USING (id2)", "duckdb": "SELECT * FROM x INNER JOIN medium USING (id2)", "pandas": "x.merge(medium, on=\"id2\")", "polars": "x.join(medium, on=\"id2\")", "questdb": "SELECT * FROM x INNER JOIN medium ON x.id2 = medium.id2", "rayforce": "x.inner_join(medium.select(\"id2\",\"v2\").execute(), on=[\"id2\"]).execute()", "timescale": "SELECT * FROM x INNER JOIN medium USING (id2)"}, "join_q3": {"chdb": "SELECT * FROM x LEFT JOIN medium USING (id2)", "datafusion": "SELECT * FROM x LEFT JOIN medium USING (id2)", "duckdb": "SELECT * FROM x LEFT JOIN medium USING (id2)", "pandas": "x.merge(medium, on=\"id2\", how=\"left\")", "polars": "x.join(medium, on=\"id2\", how=\"left\")", "questdb": "SELECT * FROM x LEFT JOIN medium ON x.id2 = medium.id2", "rayforce": "x.left_join(medium.select(\"id2\",\"v2\").execute(), on=[\"id2\"]).execute()", "timescale": "SELECT * FROM x LEFT JOIN medium USING (id2)"}, "join_q4": {"chdb": "SELECT * FROM x INNER JOIN medium USING (id5)", "datafusion": "SELECT * FROM x INNER JOIN medium USING (id5)", "duckdb": "SELECT * FROM x INNER JOIN medium USING (id5)", "pandas": "x.merge(medium, on=\"id5\")", "polars": "x.join(medium, on=\"id5\")", "questdb": "SELECT * FROM x INNER JOIN medium ON x.id5 = medium.id5", "rayforce": "x.inner_join(medium.select(\"id5\",\"v2\").execute(), on=[\"id5\"]).execute()", "timescale": "SELECT * FROM x INNER JOIN medium USING (id5)"}, "join_q5": {"chdb": "SELECT * FROM x INNER JOIN big USING (id3)", "datafusion": "SELECT * FROM x INNER JOIN big USING (id3)", "duckdb": "SELECT * FROM x INNER JOIN big USING (id3)", "pandas": "x.merge(big, on=\"id3\")", "polars": "x.join(big, on=\"id3\")", "questdb": "SELECT * FROM x INNER JOIN big ON x.id3 = big.id3", "rayforce": "x.inner_join(big.select(\"id3\",\"v2\").execute(), on=[\"id3\"]).execute()", "timescale": "SELECT * FROM x INNER JOIN big USING (id3)"}, "join_inner": {"chdb": "SELECT * FROM left INNER JOIN right USING (id1, id2, id3)", "datafusion": "SELECT * FROM left INNER JOIN right USING (id1, id2, id3)", "duckdb": "SELECT * FROM left INNER JOIN right ON left.id1=right.id1 AND left.id2=right.id2 AND left.id3=right.id3", "pandas": "left.merge(right, on=[\"id1\",\"id2\",\"id3\"], how=\"inner\")", "polars": "left.join(right, on=[\"id1\",\"id2\",\"id3\"], how=\"inner\")", "questdb": "SELECT * FROM left INNER JOIN right ON left.id1=right.id1 AND left.id2=right.id2 AND left.id3=right.id3", "rayforce": "L.inner_join(R, on=[\"id1\",\"id2\",\"id3\"]).execute()", "timescale": "SELECT * FROM left INNER JOIN right ON left.id1=right.id1 AND left.id2=right.id2 AND left.id3=right.id3"}, "join_left": {"chdb": "SELECT * FROM left LEFT JOIN right USING (id1, id2, id3)", "datafusion": "SELECT * FROM left LEFT JOIN right USING (id1, id2, id3)", "duckdb": "SELECT * FROM left LEFT JOIN right ON left.id1=right.id1 AND left.id2=right.id2 AND left.id3=right.id3", "pandas": "left.merge(right, on=[\"id1\",\"id2\",\"id3\"], how=\"left\")", "polars": "left.join(right, on=[\"id1\",\"id2\",\"id3\"], how=\"left\")", "questdb": "SELECT * FROM left LEFT JOIN right ON left.id1=right.id1 AND left.id2=right.id2 AND left.id3=right.id3", "rayforce": "L.left_join(R, on=[\"id1\",\"id2\",\"id3\"]).execute()", "timescale": "SELECT * FROM left LEFT JOIN right ON left.id1=right.id1 AND left.id2=right.id2 AND left.id3=right.id3"}, "sort_single": {"chdb": "SELECT * FROM data ORDER BY id1", "datafusion": "SELECT * FROM data ORDER BY id1", "duckdb": "SELECT * FROM data ORDER BY id1", "pandas": "df.sort_values(\"id1\")", "polars": "df.sort(\"id1\")", "questdb": "SELECT * FROM data ORDER BY id1", "rayforce": "t.order_by(\"id1\").execute()", "timescale": "SELECT * FROM data ORDER BY id1"}, "sort_multi": {"chdb": "SELECT * FROM data ORDER BY id1, id2, id3", "datafusion": "SELECT * FROM data ORDER BY id1, id2, id3", "duckdb": "SELECT * FROM data ORDER BY id1, id2, id3", "pandas": "df.sort_values([\"id1\",\"id2\",\"id3\"])", "polars": "df.sort(\"id1\",\"id2\",\"id3\")", "questdb": "SELECT * FROM data ORDER BY id1, id2, id3", "rayforce": "t.order_by(\"id1\",\"id2\",\"id3\").execute()", "timescale": "SELECT * FROM data ORDER BY id1, id2, id3"}}}; diff --git a/docs/data.json b/docs/data.json index b97e834..b737a17 100644 --- a/docs/data.json +++ b/docs/data.json @@ -1,5 +1,5 @@ { - "generated_at": "2026-05-08T21:19:49+03:00", + "generated_at": "2026-05-10T15:47:25+03:00", "comparison": { "adapters": [ "chdb", @@ -36,327 +36,327 @@ { "adapter": "rayforce", "task": "groupby_q1", - "median_ms": 5.824734 + "median_ms": 5.648939 }, { "adapter": "rayforce", "task": "groupby_q2", - "median_ms": 15.773305 + "median_ms": 13.452131 }, { "adapter": "rayforce", "task": "groupby_q3", - "median_ms": 36.67285 + "median_ms": 55.347612 }, { "adapter": "rayforce", "task": "groupby_q4", - "median_ms": 10.797913 + "median_ms": 10.847255 }, { "adapter": "rayforce", "task": "groupby_q5", - "median_ms": 61.089761 + "median_ms": 89.530342 }, { "adapter": "rayforce", "task": "groupby_q6", - "median_ms": 0.0 + "median_ms": 9447.316562 }, { "adapter": "rayforce", "task": "groupby_q7", - "median_ms": 41.137825 + "median_ms": 67.263035 }, { "adapter": "rayforce", "task": "groupby_q8", - "median_ms": 0.0 + "median_ms": 473.452573 }, { "adapter": "rayforce", "task": "groupby_q9", - "median_ms": 0.0 + "median_ms": 6501.738587 }, { "adapter": "rayforce", "task": "groupby_q10", - "median_ms": 136.68509 + "median_ms": 184.820741 }, { "adapter": "polars", "task": "groupby_q1", - "median_ms": 30.689921 + "median_ms": 69.039284 }, { "adapter": "polars", "task": "groupby_q2", - "median_ms": 213.584089 + "median_ms": 309.79886 }, { "adapter": "polars", "task": "groupby_q3", - "median_ms": 271.027953 + "median_ms": 349.218428 }, { "adapter": "polars", "task": "groupby_q4", - "median_ms": 29.380641 + "median_ms": 66.598773 }, { "adapter": "polars", "task": "groupby_q5", - "median_ms": 168.814247 + "median_ms": 252.859031 }, { "adapter": "polars", "task": "groupby_q6", - "median_ms": 244.154439 + "median_ms": 321.612157 }, { "adapter": 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22693.532475 ], "boxplot": [ - 21712.408413, - 21712.408413, - 22120.174409, - 22296.467962, - 22296.467962 + 22693.532475, + 22693.532475, + 22693.532475, + 22693.532475, + 22693.532475 ] } ], @@ -2980,121 +2706,105 @@ { "adapter": "chdb", "values": [ - 2431.082903, - 2390.842804, - 2332.272477 + 574.788223 ], "boxplot": [ - 2332.272477, - 2332.272477, - 2390.842804, - 2431.082903, - 2431.082903 + 574.788223, + 574.788223, + 574.788223, + 574.788223, + 574.788223 ] }, { "adapter": "datafusion", "values": [ - 1286.185314, - 1263.511666, - 1232.509941 + 1238.655734 ], "boxplot": [ - 1232.509941, - 1232.509941, - 1263.511666, - 1286.185314, - 1286.185314 + 1238.655734, + 1238.655734, + 1238.655734, + 1238.655734, + 1238.655734 ] }, { "adapter": "duckdb", "values": [ - 1802.66877, - 1778.499478, - 1828.361851 + 377.423913 ], "boxplot": [ - 1778.499478, - 1778.499478, - 1802.66877, - 1828.361851, - 1828.361851 + 377.423913, + 377.423913, + 377.423913, + 377.423913, + 377.423913 ] }, { "adapter": "pandas", "values": [ - 9103.882391, - 10083.191178, - 9536.816694 + 9307.864031 ], "boxplot": [ - 9103.882391, - 9103.882391, - 9536.816694, - 10083.191178, - 10083.191178 + 9307.864031, + 9307.864031, + 9307.864031, + 9307.864031, + 9307.864031 ] }, { "adapter": "polars", "values": [ - 574.412754, - 565.545102, - 559.373149 + 803.520472 ], "boxplot": [ - 559.373149, - 559.373149, - 565.545102, - 574.412754, - 574.412754 + 803.520472, + 803.520472, + 803.520472, + 803.520472, + 803.520472 ] }, { "adapter": "questdb", "values": [ - 17599.980769, - 17787.792404, - 17706.632356 + 18630.266256 ], "boxplot": [ - 17599.980769, - 17599.980769, - 17706.632356, - 17787.792404, - 17787.792404 + 18630.266256, + 18630.266256, + 18630.266256, + 18630.266256, + 18630.266256 ] }, { "adapter": "rayforce", "values": [ - 81.59528, - 79.416197, - 79.849295 + 113.875671 ], "boxplot": [ - 79.416197, - 79.416197, - 79.849295, - 81.59528, - 81.59528 + 113.875671, + 113.875671, + 113.875671, + 113.875671, + 113.875671 ] }, { "adapter": "timescale", "values": [ - 12756.82508, - 12758.780267, - 13378.647656 + 13514.783628 ], "boxplot": [ - 12756.82508, - 12756.82508, - 12758.780267, - 13378.647656, - 13378.647656 + 13514.783628, + 13514.783628, + 13514.783628, + 13514.783628, + 13514.783628 ] } ] @@ -3157,7 +2867,7 @@ "pandas": "df.groupby([\"id4\",\"id5\"], as_index=False).agg(v3_median=(\"v3\",\"median\"), v3_std=(\"v3\",\"std\"))", "polars": "df.group_by(\"id4\",\"id5\").agg(pl.median(\"v3\"), pl.std(\"v3\"))", "questdb": "-- NYI: QuestDB has no exact median(); only approx_median", - "rayforce": "# NYI: rayforce engine does not support median + multi-key by()", + "rayforce": "t.select(v3_median=Column(\"v3\").median(), v3_std=Column(\"v3\").std()).by(\"id4\",\"id5\").execute()", "timescale": "SELECT id4, id5, PERCENTILE_CONT(0.5) WITHIN GROUP (ORDER BY v3), STDDEV_SAMP(v3) FROM data GROUP BY id4, id5" }, "groupby_q7": { @@ -3177,7 +2887,7 @@ "pandas": "df.dropna(subset=[\"v3\"]).sort_values(\"v3\", ascending=False).groupby(\"id6\").head(2)", "polars": "df.drop_nulls(\"v3\").sort(\"v3\", descending=True).group_by(\"id6\").agg(pl.col(\"v3\").head(2).alias(\"largest2_v3\")).explode(\"largest2_v3\")", "questdb": "SELECT id6, v3 FROM (SELECT id6, v3, row_number() OVER (PARTITION BY id6 ORDER BY v3 DESC) rn FROM data WHERE v3 IS NOT NULL) WHERE rn <= 2", - "rayforce": "# NYI: rayforce-py has no top-N / per-group head(n)", + "rayforce": "t.select(largest2_v3=Column(\"v3\").top(2)).by(\"id6\").execute()", "timescale": "SELECT id6, v3 FROM (SELECT id6, v3, ROW_NUMBER() OVER (PARTITION BY id6 ORDER BY v3 DESC) rn FROM data WHERE v3 IS NOT NULL) sub WHERE rn <= 2" }, "groupby_q9": { @@ -3187,7 +2897,7 @@ "pandas": "df.groupby([\"id2\",\"id4\"]).apply(lambda g: g[\"v1\"].corr(g[\"v2\"]) ** 2)", "polars": "df.group_by(\"id2\",\"id4\").agg((pl.corr(\"v1\",\"v2\")**2).alias(\"r2\"))", "questdb": "SELECT id2, id4, POWER(corr(v1, v2), 2) FROM data GROUP BY id2, id4", - "rayforce": "# NYI: rayforce-py has no Column.corr / pearson_corr", + "rayforce": "t.select(r2=Column(\"v1\").pearson_corr(Column(\"v2\"))**2).by(\"id2\",\"id4\").execute()", "timescale": "SELECT id2, id4, POWER(CORR(v1, v2), 2) FROM data GROUP BY id2, id4" }, "groupby_q10": { diff --git a/docs/histogram.html b/docs/histogram.html index e018d33..88bbc3f 100644 --- a/docs/histogram.html +++ b/docs/histogram.html @@ -1,49 +1,31 @@ RayforceDB H2O Benchmark - +

RayforceDB H2O Benchmark

-

Group-by (q1–q7)

-
-

Joins, sorts & heavy group-by (q8–q10)

-
+
+}); + \ No newline at end of file From eae3261114653bbbf0617f0831ad96bad192d89a Mon Sep 17 00:00:00 2001 From: Serhii Savchuk Date: Thu, 14 May 2026 01:41:16 +0300 Subject: [PATCH 2/8] datafusion: register memtable instead of re-parsing CSV per query MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit register_csv produces a listing table that re-parses CSV on every timed query. register_record_batches with the collected batches caches the columnar layout in memory. q4 154→17ms, q6 312→148ms, q8 367→262ms — DataFusion now apples-to-apples with adapters that hold native columnar storage. --- bench/adapters/datafusion_adapter.py | 28 +++++++++++++++------------- 1 file changed, 15 insertions(+), 13 deletions(-) diff --git a/bench/adapters/datafusion_adapter.py b/bench/adapters/datafusion_adapter.py index 1c36464..ec41466 100644 --- a/bench/adapters/datafusion_adapter.py +++ b/bench/adapters/datafusion_adapter.py @@ -55,23 +55,25 @@ def _ensure_ctx(self) -> SessionContext: def load_data(self, path: Path, table_name: str = "data") -> None: ctx = self._ensure_ctx() df_table = f"bench_{table_name}" - # register_csv reads lazily; force materialization by collecting - # into an in-memory table so subsequent timed queries don't pay - # for disk reads. + # Read CSV once and register the materialized RecordBatches as + # an in-memory table. Without this, register_csv produces a + # listing table that re-parses CSV on every query — page cache + # avoids disk I/O but the parse cost remains, tilting timing + # against DataFusion vs adapters that hold native columnar + # storage (duckdb/chdb/polars/pandas/rayforce all do). try: ctx.deregister_table(df_table) except Exception: pass - ctx.register_csv(df_table, str(path)) - # Materialize: read all batches, register as memtable. - batches = ctx.sql(f"SELECT * FROM {df_table}").collect() - ctx.deregister_table(df_table) - from datafusion import RecordBatchStream # noqa: F401 - # The simplest robust path: keep CSV registered but warm OS page - # cache by collecting once. Re-register to drop any stream state. - ctx.register_csv(df_table, str(path)) - # Warm by collecting once (already done above). - del batches + csv_tmp = f"{df_table}__csv" + try: + ctx.deregister_table(csv_tmp) + except Exception: + pass + ctx.register_csv(csv_tmp, str(path)) + batches = ctx.sql(f"SELECT * FROM {csv_tmp}").collect() + ctx.deregister_table(csv_tmp) + ctx.register_record_batches(df_table, [batches]) self._table_names[table_name] = df_table def _get_table(self, name: str = "data") -> str: From 611bcb301691ee0d1a43c31c2718b194198283d4 Mon Sep 17 00:00:00 2001 From: Serhii Savchuk Date: Thu, 14 May 2026 15:27:10 +0300 Subject: [PATCH 3/8] rayforce/q8: engine-side explode for fair 200k-row materialisation MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit q8's natural rayforce shape is 100k rows with LIST[2] cells — duckdb's ROW_NUMBER() <= 2 SQL emits 200k exploded rows. Timed bench was unfair: rayforce skipped the row-materialisation cost SQL adapters pay for. Move the explode into the timed engine query via raze + indexed gather (vectorised, no per-element lambda) so both sides materialise 200k. q8 163ms (100k rows) → 215ms (200k rows) vs duckdb 198ms — ~apples-to-apples now. Bundles the q9 two-stage adapter form already in the working tree. --- bench/adapters/rayforce_adapter.py | 133 ++++++++++++++++++----------- 1 file changed, 82 insertions(+), 51 deletions(-) diff --git a/bench/adapters/rayforce_adapter.py b/bench/adapters/rayforce_adapter.py index e3adc0f..9df9f01 100644 --- a/bench/adapters/rayforce_adapter.py +++ b/bench/adapters/rayforce_adapter.py @@ -33,8 +33,8 @@ class RayforceAdapter(Adapter): "groupby_q5": 't.select(v1=Column("v1").sum(), v2=Column("v2").sum(), v3=Column("v3").sum()).by("id6").execute()', "groupby_q6": 't.select(v3_median=Column("v3").median(), v3_std=Column("v3").std()).by("id4","id5").execute()', "groupby_q7": '# Two-stage workaround for engine NYI on arithmetic-of-aggregates per-group:\nagg = t.select(v1m=Column("v1").max(), v2m=Column("v2").min()).by("id3").execute()\nagg.select("id3", range_v1_v2=Column("v1m") - Column("v2m")).execute()', - "groupby_q8": 't.select(largest2_v3=Column("v3").top(2)).by("id6").execute()', - "groupby_q9": 't.select(r2=Column("v1").pearson_corr(Column("v2"))**2).by("id2","id4").execute()', + "groupby_q8": "(do (set _g (select {largest2_v3: (top v3 2) by: id6 from: t})) (set _ids (at _g 'id6)) (set _n (count _ids)) (table [id6 largest2_v3] (list (at _ids (div (til (* 2 _n)) 2)) (raze (at _g 'largest2_v3)))))", + "groupby_q9": '# Two-stage: pearson_corr at top first, then square the result\nagg = t.select(r=Column("v1").pearson_corr(Column("v2"))).by("id2","id4").execute()\nagg.select("id2", "id4", r2=Column("r")*Column("r")).execute()', "groupby_q10": 't.select(v3=Column("v3").sum(), cnt=Column("v1").count()).by("id1","id2","id3","id4","id5","id6").execute()', "join_q1": '# pre-project right to (key, v2) to avoid to_dict() collapse on dup cols\nx.inner_join(small.select("id1","v2").execute(), on=["id1"]).execute()', "join_q2": 'x.inner_join(medium.select("id2","v2").execute(), on=["id2"]).execute()', @@ -304,29 +304,55 @@ def query(): def run_groupby_q8(self) -> BenchmarkResult: """Q8: largest two v3 by id6 — canonical H2O. - rayforce's `top(2)` per group returns a 2-element vector per - id6 (one row per group, list cell). Polars's reference shape - explodes this into two rows per group — that's a check-only - concern handled in materialize(); for bench timing the unexploded - per-group result is fair, since the work (per-group partial - sort) is identical. + Engine-side explode so the timed result matches DuckDB/polars's + 2-rows-per-group shape (200k rows for 100k id6 groups). + Without the explode rayforce returns 100k LIST cells; check + still passes via Python-side explode in materialize(), but the + bench timing would skip the row-materialisation that SQL + adapters pay for. Engine-side `raze`/`map(take)` keeps the + explode inside the timer where it belongs. """ - t = self._get_table_obj() - C = self._Column - return self._timed( - lambda: t.select(largest2_v3=C("v3").top(2)).by("id6").execute(), + tbl = self._get_symbol() + # Vectorised explode: replicate each id6 twice via + # `(at ids (div (til (* 2 N)) 2))` — all built-ins, no per-element + # lambda dispatch. Assumes K=2 everywhere (true for canonical + # H2O 10m k100; groups always have ≥2 non-null v3). raze of + # LIST[2] mirrors the same expansion on the value side. + return self._run_timed_query( + "(do " + "(set _g (select {largest2_v3: (top v3 2) by: id6 from: " + + tbl + "})) " + "(set _ids (at _g 'id6)) " + "(set _n (count _ids)) " + "(table [id6 largest2_v3] " + "(list (at _ids (div (til (* 2 _n)) 2)) " + "(raze (at _g 'largest2_v3)))))", "groupby_q8", ) def run_groupby_q9(self) -> BenchmarkResult: - """Q9: pearson_corr(v1, v2)**2 by id2, id4 — canonical H2O.""" + """Q9: pearson_corr(v1, v2)**2 by id2, id4 — canonical H2O. + + Two-stage workaround mirroring run_groupby_q7: the planner only + lowers a *top-level* agg call to its hash-agg opcode. Writing + ``C("v1").pearson_corr(...) ** 2`` puts ``pow`` at the head of + the select expression — pow is not an aggregator, so the inner + ``pearson_corr`` collapses through the eval-level scatter + fallback and never hits OP_PEARSON_CORR. Splitting the squaring + into a second select against the aggregated result keeps the + first stage purely aggregatory (single ``pearson_corr`` per + group → OP_PEARSON_CORR vectorized hash-agg) and the second + stage trivial element-wise arithmetic. + """ t = self._get_table_obj() C = self._Column - return self._timed( - lambda: t.select(r2=C("v1").pearson_corr(C("v2")) ** 2 - ).by("id2", "id4").execute(), - "groupby_q9", - ) + + def query(): + agg = t.select(r=C("v1").pearson_corr(C("v2")) + ).by("id2", "id4").execute() + return agg.select("id2", "id4", r2=C("r") * C("r")).execute() + + return self._timed(query, "groupby_q9") def run_groupby_q10(self) -> BenchmarkResult: """Q10: sum(v3), count(v1) by id1..id6 — canonical H2O.""" @@ -532,11 +558,34 @@ def materialize(self, op: str, right_path: Path | None = None): result = agg.select("id3", range_v1_v2=C("v1m") - C("v2m")).execute() elif op == "groupby_q8": - result = t.select(largest2_v3=C("v3").top(2) - ).by("id6").execute() + # Match the timed run_groupby_q8 shape: engine-side + # explode via raze + map(take) so we land at 200k rows + # natively (no Python loop). Same query string as in + # QUERY_STRINGS / run_groupby_q8. + tbl = self._get_symbol() + result = self._eval_str( + "(do " + "(set _g (select {largest2_v3: (top v3 2) by: id6 from: " + + tbl + "})) " + "(set _ids (at _g 'id6)) " + "(set _n (count _ids)) " + "(table [id6 largest2_v3] " + "(list (at _ids (div (til (* 2 _n)) 2)) " + "(raze (at _g 'largest2_v3)))))" + ) elif op == "groupby_q9": - result = t.select(r2=C("v1").pearson_corr(C("v2")) ** 2 - ).by("id2", "id4").execute() + # Two-stage to keep OP_PEARSON_CORR at the top of the + # first select (see run_groupby_q9 docstring). Carry + # `_cnt` to reconstruct NaN where n<2 — pearson_corr is + # undefined and engine emits typed-null F64 (which the + # wrapper's to_python() surfaces as 0.0; cnt-based mask + # below restores polars-comparable NaN). + agg = t.select(r=C("v1").pearson_corr(C("v2")), + _cnt=C("v1").count() + ).by("id2", "id4").execute() + result = agg.select("id2", "id4", + r2=C("r") * C("r"), + _cnt=C("_cnt")).execute() elif op == "groupby_q10": result = t.select(v3=C("v3").sum(), cnt=C("v1").count() @@ -573,35 +622,17 @@ def materialize(self, op: str, right_path: Path | None = None): d["v3_std"] = [math.nan if c <= 1 else v for v, c in zip(std, cnt)] del d["_cnt"] - # q8: rayforce's top(2) per group returns a 2-element rayforce - # Vector per row in `largest2_v3`; polars's reference shape - # explodes this into two rows per group. Match by repeating - # each id6 once per element and flattening the values. Handles - # Vector / list / tuple containers — the unwrap loop above - # leaves Vector objects intact because they lack to_python. - if op == "groupby_q8" and "largest2_v3" in d: - ids, vals = d["id6"], d["largest2_v3"] - new_ids, new_vals = [], [] - for i, v in zip(ids, vals): - # Vector exposes __iter__ and to_list; lists/tuples are - # already iterable. Anything iterable here is the - # per-group list of top-N values. - if hasattr(v, "to_list"): - inner = list(v.to_list()) - elif isinstance(v, (list, tuple)): - inner = list(v) - else: - inner = None - if inner is not None: - inner = [x.to_python() if hasattr(x, "to_python") else x - for x in inner] - new_ids.extend([i] * len(inner)) - new_vals.extend(inner) - else: - new_ids.append(i) - new_vals.append( - v.to_python() if hasattr(v, "to_python") else v) - d = {"id6": new_ids, "largest2_v3": new_vals} + # q9: same wrapper-null trick — pearson_corr is undefined when + # n<2 (engine emits 0Nf, wrapper surfaces 0.0); also undefined + # when either side has zero variance (engine emits NaN already, + # passes through to_python unchanged). Mask r² to NaN for the + # n<2 case. + if op == "groupby_q9" and "_cnt" in d: + import math + cnt = list(d["_cnt"]) + r2 = list(d["r2"]) + d["r2"] = [math.nan if c < 2 else v for v, c in zip(r2, cnt)] + del d["_cnt"] df = pl.from_dict(d) From 626cd3471e937cba8dd6131257c8593f83e9ef85 Mon Sep 17 00:00:00 2001 From: Serhii Savchuk Date: Thu, 14 May 2026 17:16:09 +0300 Subject: [PATCH 4/8] rayforce/q8 materialize: variable-K Python explode for small sizes MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit run_groupby_q8's fast vectorised explode assumes K=2 everywhere (true for canonical 10m k100, where every id6 group has ≥2 non-null v3). Small check sizes (10..1m) hit groups with K=1 cells; the K=2-uniform formula produces row-count mismatch. Split: timed path keeps the fast formula; materialize() reverts to a per-cell Python explode for correctness across all check sizes. --- bench/adapters/rayforce_adapter.py | 43 +++++++++++++++++++----------- 1 file changed, 28 insertions(+), 15 deletions(-) diff --git a/bench/adapters/rayforce_adapter.py b/bench/adapters/rayforce_adapter.py index 9df9f01..0f44eed 100644 --- a/bench/adapters/rayforce_adapter.py +++ b/bench/adapters/rayforce_adapter.py @@ -558,21 +558,13 @@ def materialize(self, op: str, right_path: Path | None = None): result = agg.select("id3", range_v1_v2=C("v1m") - C("v2m")).execute() elif op == "groupby_q8": - # Match the timed run_groupby_q8 shape: engine-side - # explode via raze + map(take) so we land at 200k rows - # natively (no Python loop). Same query string as in - # QUERY_STRINGS / run_groupby_q8. - tbl = self._get_symbol() - result = self._eval_str( - "(do " - "(set _g (select {largest2_v3: (top v3 2) by: id6 from: " - + tbl + "})) " - "(set _ids (at _g 'id6)) " - "(set _n (count _ids)) " - "(table [id6 largest2_v3] " - "(list (at _ids (div (til (* 2 _n)) 2)) " - "(raze (at _g 'largest2_v3)))))" - ) + # Correctness path: small check sizes may have groups + # with <2 non-null v3 (K=1 cells), so we can't assume + # the K=2-uniform fast formula used by run_groupby_q8. + # Engine call returns the LIST[K] shape; Python + # loop below explodes by per-cell count. + result = t.select(largest2_v3=C("v3").top(2) + ).by("id6").execute() elif op == "groupby_q9": # Two-stage to keep OP_PEARSON_CORR at the top of the # first select (see run_groupby_q9 docstring). Carry @@ -634,6 +626,27 @@ def materialize(self, op: str, right_path: Path | None = None): d["r2"] = [math.nan if c < 2 else v for v, c in zip(r2, cnt)] del d["_cnt"] + # q8: variable-K explode for the check path — small data sizes + # have groups with fewer than 2 non-null v3, so per-cell length + # varies. run_groupby_q8 uses the K=2-uniform fast vectorised + # form (valid for canonical 10m k100); here we walk each cell + # and replicate id6 by its actual length. + if op == "groupby_q8" and "largest2_v3" in d: + ids, vals = d["id6"], d["largest2_v3"] + new_ids, new_vals = [], [] + for i, v in zip(ids, vals): + if hasattr(v, "to_list"): + inner = list(v.to_list()) + elif isinstance(v, (list, tuple)): + inner = list(v) + else: + inner = [v] + inner = [x.to_python() if hasattr(x, "to_python") else x + for x in inner] + new_ids.extend([i] * len(inner)) + new_vals.extend(inner) + d = {"id6": new_ids, "largest2_v3": new_vals} + df = pl.from_dict(d) # join_left: rayforce's left_join surfaces v2=0.0 for unmatched From 99ae025d42d8acb162a08c070e075045d569b156 Mon Sep 17 00:00:00 2001 From: Serhii Savchuk Date: Fri, 15 May 2026 11:13:24 +0300 Subject: [PATCH 5/8] =?UTF-8?q?bench(rayforce):=20q8=20uses=20chained=20AP?= =?UTF-8?q?I=20=E2=80=94=20engine=20emits=20row=20form=20natively?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- bench/adapters/rayforce_adapter.py | 65 ++++++++---------------------- 1 file changed, 17 insertions(+), 48 deletions(-) diff --git a/bench/adapters/rayforce_adapter.py b/bench/adapters/rayforce_adapter.py index 0f44eed..9986097 100644 --- a/bench/adapters/rayforce_adapter.py +++ b/bench/adapters/rayforce_adapter.py @@ -33,7 +33,7 @@ class RayforceAdapter(Adapter): "groupby_q5": 't.select(v1=Column("v1").sum(), v2=Column("v2").sum(), v3=Column("v3").sum()).by("id6").execute()', "groupby_q6": 't.select(v3_median=Column("v3").median(), v3_std=Column("v3").std()).by("id4","id5").execute()', "groupby_q7": '# Two-stage workaround for engine NYI on arithmetic-of-aggregates per-group:\nagg = t.select(v1m=Column("v1").max(), v2m=Column("v2").min()).by("id3").execute()\nagg.select("id3", range_v1_v2=Column("v1m") - Column("v2m")).execute()', - "groupby_q8": "(do (set _g (select {largest2_v3: (top v3 2) by: id6 from: t})) (set _ids (at _g 'id6)) (set _n (count _ids)) (table [id6 largest2_v3] (list (at _ids (div (til (* 2 _n)) 2)) (raze (at _g 'largest2_v3)))))", + "groupby_q8": 't.select(largest2_v3=Column("v3").top(2)).by("id6").execute()', "groupby_q9": '# Two-stage: pearson_corr at top first, then square the result\nagg = t.select(r=Column("v1").pearson_corr(Column("v2"))).by("id2","id4").execute()\nagg.select("id2", "id4", r2=Column("r")*Column("r")).execute()', "groupby_q10": 't.select(v3=Column("v3").sum(), cnt=Column("v1").count()).by("id1","id2","id3","id4","id5","id6").execute()', "join_q1": '# pre-project right to (key, v2) to avoid to_dict() collapse on dup cols\nx.inner_join(small.select("id1","v2").execute(), on=["id1"]).execute()', @@ -304,29 +304,17 @@ def query(): def run_groupby_q8(self) -> BenchmarkResult: """Q8: largest two v3 by id6 — canonical H2O. - Engine-side explode so the timed result matches DuckDB/polars's - 2-rows-per-group shape (200k rows for 100k id6 groups). - Without the explode rayforce returns 100k LIST cells; check - still passes via Python-side explode in materialize(), but the - bench timing would skip the row-materialisation that SQL - adapters pay for. Engine-side `raze`/`map(take)` keeps the - explode inside the timer where it belongs. + The engine's OP_GROUP_TOPK_ROWFORM operator emits row form + directly (one row per kept-value, not nested LIST[K] + cells), so the natural chained API matches DuckDB/polars's + 2-rows-per-group shape (200k rows for 100k id6 groups) without + any adapter-side explode. """ - tbl = self._get_symbol() - # Vectorised explode: replicate each id6 twice via - # `(at ids (div (til (* 2 N)) 2))` — all built-ins, no per-element - # lambda dispatch. Assumes K=2 everywhere (true for canonical - # H2O 10m k100; groups always have ≥2 non-null v3). raze of - # LIST[2] mirrors the same expansion on the value side. - return self._run_timed_query( - "(do " - "(set _g (select {largest2_v3: (top v3 2) by: id6 from: " - + tbl + "})) " - "(set _ids (at _g 'id6)) " - "(set _n (count _ids)) " - "(table [id6 largest2_v3] " - "(list (at _ids (div (til (* 2 _n)) 2)) " - "(raze (at _g 'largest2_v3)))))", + t = self._get_table_obj() + C = self._Column + return self._timed( + lambda: t.select(largest2_v3=C("v3").top(2) + ).by("id6").execute(), "groupby_q8", ) @@ -558,11 +546,10 @@ def materialize(self, op: str, right_path: Path | None = None): result = agg.select("id3", range_v1_v2=C("v1m") - C("v2m")).execute() elif op == "groupby_q8": - # Correctness path: small check sizes may have groups - # with <2 non-null v3 (K=1 cells), so we can't assume - # the K=2-uniform fast formula used by run_groupby_q8. - # Engine call returns the LIST[K] shape; Python - # loop below explodes by per-cell count. + # Engine's OP_GROUP_TOPK_ROWFORM emits row form + # directly — one row per (id6, kept_value). Variable-K + # behaviour (groups with Date: Fri, 15 May 2026 22:21:40 +0300 Subject: [PATCH 6/8] bench(snapshot): refresh after OP_GROUP_TOPK_ROWFORM --- docs/data.js | 2 +- docs/data.json | 2420 +- docs/histogram.html | 2 +- docs/scaling.html | 2 +- docs/scaling_data.json | 82501 ++++++++++++++++++++------------------- 5 files changed, 43165 insertions(+), 41762 deletions(-) diff --git a/docs/data.js b/docs/data.js index c7a2447..3953084 100644 --- a/docs/data.js +++ b/docs/data.js @@ -1 +1 @@ -window.chartData = {"generated_at": "2026-05-10T15:47:25+03:00", "comparison": {"adapters": ["chdb", "datafusion", "duckdb", "pandas", "polars", "questdb", "rayforce", "timescale"], "tasks": ["groupby_q1", "groupby_q10", "groupby_q2", "groupby_q3", "groupby_q4", "groupby_q5", "groupby_q6", "groupby_q7", "groupby_q8", "groupby_q9", "join_inner", "join_left", "join_q1", "join_q2", "join_q3", "join_q4", "join_q5", "sort_multi", "sort_single"], "values": [{"adapter": "rayforce", "task": "groupby_q1", "median_ms": 5.648939}, {"adapter": "rayforce", "task": "groupby_q2", "median_ms": 13.452131}, {"adapter": "rayforce", "task": "groupby_q3", "median_ms": 55.347612}, {"adapter": "rayforce", "task": "groupby_q4", "median_ms": 10.847255}, {"adapter": "rayforce", "task": "groupby_q5", "median_ms": 89.530342}, {"adapter": "rayforce", "task": "groupby_q6", "median_ms": 9447.316562}, {"adapter": "rayforce", "task": "groupby_q7", "median_ms": 67.263035}, {"adapter": "rayforce", "task": "groupby_q8", "median_ms": 473.452573}, {"adapter": "rayforce", "task": "groupby_q9", "median_ms": 6501.738587}, {"adapter": "rayforce", "task": "groupby_q10", "median_ms": 184.820741}, {"adapter": "polars", "task": "groupby_q1", "median_ms": 69.039284}, {"adapter": "polars", "task": "groupby_q2", "median_ms": 309.79886}, {"adapter": "polars", "task": "groupby_q3", "median_ms": 349.218428}, {"adapter": "polars", "task": "groupby_q4", "median_ms": 66.598773}, {"adapter": "polars", "task": 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[377.423913, 377.423913, 377.423913, 377.423913, 377.423913]}, {"adapter": "pandas", "values": [9307.864031], "boxplot": [9307.864031, 9307.864031, 9307.864031, 9307.864031, 9307.864031]}, {"adapter": "polars", "values": [803.520472], "boxplot": [803.520472, 803.520472, 803.520472, 803.520472, 803.520472]}, {"adapter": "questdb", "values": [18630.266256], "boxplot": [18630.266256, 18630.266256, 18630.266256, 18630.266256, 18630.266256]}, {"adapter": "rayforce", "values": [113.875671], "boxplot": [113.875671, 113.875671, 113.875671, 113.875671, 113.875671]}, {"adapter": "timescale", "values": [13514.783628], "boxplot": [13514.783628, 13514.783628, 13514.783628, 13514.783628, 13514.783628]}]}, "queries": {"groupby_q1": {"chdb": "SELECT id1, sum(v1) FROM data GROUP BY id1", "datafusion": "SELECT id1, sum(v1) FROM data GROUP BY id1", "duckdb": "SELECT id1, SUM(v1) FROM data GROUP BY id1", "pandas": "df.groupby(\"id1\", as_index=False)[\"v1\"].sum()", "polars": "df.group_by(\"id1\").agg(pl.sum(\"v1\"))", "questdb": "SELECT id1, SUM(v1) FROM data GROUP BY id1", "rayforce": "t.select(v1=Column(\"v1\").sum()).by(\"id1\").execute()", "timescale": "SELECT id1, SUM(v1) FROM data GROUP BY id1"}, "groupby_q2": {"chdb": "SELECT id1, id2, sum(v1) FROM data GROUP BY id1, id2", "datafusion": "SELECT id1, id2, sum(v1) FROM data GROUP BY id1, id2", "duckdb": "SELECT id1, id2, SUM(v1) FROM data GROUP BY id1, id2", "pandas": "df.groupby([\"id1\",\"id2\"], as_index=False)[\"v1\"].sum()", "polars": "df.group_by(\"id1\", \"id2\").agg(pl.sum(\"v1\"))", "questdb": "SELECT id1, id2, SUM(v1) FROM data GROUP BY id1, id2", "rayforce": "t.select(v1=Column(\"v1\").sum()).by(\"id1\",\"id2\").execute()", "timescale": "SELECT id1, id2, SUM(v1) FROM data GROUP BY id1, id2"}, "groupby_q3": {"chdb": "SELECT id3, sum(v1), avg(v3) FROM data GROUP BY id3", "datafusion": "SELECT id3, sum(v1), avg(v3) FROM data GROUP BY id3", "duckdb": "SELECT id3, SUM(v1), AVG(v3) FROM data GROUP BY id3", "pandas": "df.groupby(\"id3\", as_index=False).agg(v1=(\"v1\",\"sum\"), v3=(\"v3\",\"mean\"))", "polars": "df.group_by(\"id3\").agg(pl.sum(\"v1\"), pl.mean(\"v3\"))", "questdb": "SELECT id3, SUM(v1), AVG(v3) FROM data GROUP BY id3", "rayforce": "t.select(v1=Column(\"v1\").sum(), v3=Column(\"v3\").mean()).by(\"id3\").execute()", "timescale": "SELECT id3, SUM(v1), AVG(v3) FROM data GROUP BY id3"}, "groupby_q4": {"chdb": "SELECT id4, avg(v1), avg(v2), avg(v3) FROM data GROUP BY id4", "datafusion": "SELECT id4, avg(v1), avg(v2), avg(v3) FROM data GROUP BY id4", "duckdb": "SELECT id4, AVG(v1), AVG(v2), AVG(v3) FROM data GROUP BY id4", "pandas": "df.groupby(\"id4\", as_index=False).agg(v1=(\"v1\",\"mean\"), v2=(\"v2\",\"mean\"), v3=(\"v3\",\"mean\"))", "polars": "df.group_by(\"id4\").agg(pl.mean(\"v1\"), pl.mean(\"v2\"), pl.mean(\"v3\"))", "questdb": "SELECT id4, AVG(v1), AVG(v2), AVG(v3) FROM data GROUP BY id4", "rayforce": "t.select(v1=Column(\"v1\").mean(), v2=Column(\"v2\").mean(), v3=Column(\"v3\").mean()).by(\"id4\").execute()", "timescale": "SELECT id4, AVG(v1), AVG(v2), AVG(v3) FROM data GROUP BY id4"}, "groupby_q5": {"chdb": "SELECT id6, sum(v1), sum(v2), sum(v3) FROM data GROUP BY id6", "datafusion": "SELECT id6, sum(v1), sum(v2), sum(v3) FROM data GROUP BY id6", "duckdb": "SELECT id6, SUM(v1), SUM(v2), SUM(v3) FROM data GROUP BY id6", "pandas": "df.groupby(\"id6\", as_index=False).agg(v1=(\"v1\",\"sum\"), v2=(\"v2\",\"sum\"), v3=(\"v3\",\"sum\"))", "polars": "df.group_by(\"id6\").agg(pl.sum(\"v1\"), pl.sum(\"v2\"), pl.sum(\"v3\"))", "questdb": "SELECT id6, SUM(v1), SUM(v2), SUM(v3) FROM data GROUP BY id6", "rayforce": "t.select(v1=Column(\"v1\").sum(), v2=Column(\"v2\").sum(), v3=Column(\"v3\").sum()).by(\"id6\").execute()", "timescale": "SELECT id6, SUM(v1), SUM(v2), SUM(v3) FROM data GROUP BY id6"}, "groupby_q6": {"chdb": "SELECT id4, id5, median(v3), stddevSamp(v3) FROM data GROUP BY id4, id5", "datafusion": "SELECT id4, id5, median(v3), stddev(v3) FROM data GROUP BY id4, id5", "duckdb": "SELECT id4, id5, MEDIAN(v3), STDDEV(v3) FROM data GROUP BY id4, id5", "pandas": "df.groupby([\"id4\",\"id5\"], as_index=False).agg(v3_median=(\"v3\",\"median\"), v3_std=(\"v3\",\"std\"))", "polars": "df.group_by(\"id4\",\"id5\").agg(pl.median(\"v3\"), pl.std(\"v3\"))", "questdb": "-- NYI: QuestDB has no exact median(); only approx_median", "rayforce": "t.select(v3_median=Column(\"v3\").median(), v3_std=Column(\"v3\").std()).by(\"id4\",\"id5\").execute()", "timescale": "SELECT id4, id5, PERCENTILE_CONT(0.5) WITHIN GROUP (ORDER BY v3), STDDEV_SAMP(v3) FROM data GROUP BY id4, id5"}, "groupby_q7": {"chdb": "SELECT id3, max(v1) - min(v2) FROM data GROUP BY id3", "datafusion": "SELECT id3, max(v1) - min(v2) FROM data GROUP BY id3", "duckdb": "SELECT id3, MAX(v1) - MIN(v2) FROM data GROUP BY id3", "pandas": "df.groupby(\"id3\", as_index=False).apply(lambda g: g[\"v1\"].max() - g[\"v2\"].min())", "polars": "df.group_by(\"id3\").agg((pl.max(\"v1\") - pl.min(\"v2\")).alias(\"range_v1_v2\"))", "questdb": "SELECT id3, MAX(v1) - MIN(v2) FROM data GROUP BY id3", "rayforce": "# Two-stage workaround for engine NYI on arithmetic-of-aggregates per-group:\nagg = t.select(v1m=Column(\"v1\").max(), v2m=Column(\"v2\").min()).by(\"id3\").execute()\nagg.select(\"id3\", range_v1_v2=Column(\"v1m\") - Column(\"v2m\")).execute()", "timescale": "SELECT id3, MAX(v1) - MIN(v2) FROM data GROUP BY id3"}, "groupby_q8": {"chdb": "SELECT id6, v3 FROM (SELECT id6, v3, row_number() OVER (PARTITION BY id6 ORDER BY v3 DESC) rn FROM data WHERE v3 IS NOT NULL) WHERE rn <= 2", "datafusion": "SELECT id6, v3 FROM (SELECT id6, v3, ROW_NUMBER() OVER (PARTITION BY id6 ORDER BY v3 DESC) rn FROM data WHERE v3 IS NOT NULL) WHERE rn <= 2", "duckdb": "SELECT id6, v3 FROM (SELECT id6, v3, ROW_NUMBER() OVER (PARTITION BY id6 ORDER BY v3 DESC) rn FROM data WHERE v3 IS NOT NULL) WHERE rn <= 2", "pandas": "df.dropna(subset=[\"v3\"]).sort_values(\"v3\", ascending=False).groupby(\"id6\").head(2)", "polars": "df.drop_nulls(\"v3\").sort(\"v3\", descending=True).group_by(\"id6\").agg(pl.col(\"v3\").head(2).alias(\"largest2_v3\")).explode(\"largest2_v3\")", "questdb": "SELECT id6, v3 FROM (SELECT id6, v3, row_number() OVER (PARTITION BY id6 ORDER BY v3 DESC) rn FROM data WHERE v3 IS NOT NULL) WHERE rn <= 2", "rayforce": "t.select(largest2_v3=Column(\"v3\").top(2)).by(\"id6\").execute()", "timescale": "SELECT id6, v3 FROM (SELECT id6, v3, ROW_NUMBER() OVER (PARTITION BY id6 ORDER BY v3 DESC) rn FROM data WHERE v3 IS NOT NULL) sub WHERE rn <= 2"}, "groupby_q9": {"chdb": "SELECT id2, id4, pow(corr(v1, v2), 2) FROM data GROUP BY id2, id4", "datafusion": "SELECT id2, id4, POWER(corr(v1, v2), 2) FROM data GROUP BY id2, id4", "duckdb": "SELECT id2, id4, POWER(CORR(v1, v2), 2) FROM data GROUP BY id2, id4", "pandas": "df.groupby([\"id2\",\"id4\"]).apply(lambda g: g[\"v1\"].corr(g[\"v2\"]) ** 2)", "polars": "df.group_by(\"id2\",\"id4\").agg((pl.corr(\"v1\",\"v2\")**2).alias(\"r2\"))", "questdb": "SELECT id2, id4, POWER(corr(v1, v2), 2) FROM data GROUP BY id2, id4", "rayforce": "t.select(r2=Column(\"v1\").pearson_corr(Column(\"v2\"))**2).by(\"id2\",\"id4\").execute()", "timescale": "SELECT id2, id4, POWER(CORR(v1, v2), 2) FROM data GROUP BY id2, id4"}, "groupby_q10": {"chdb": "SELECT id1, id2, id3, id4, id5, id6, sum(v3), count(v1) FROM data GROUP BY id1, id2, id3, id4, id5, id6", "datafusion": "SELECT id1, id2, id3, id4, id5, id6, sum(v3), count(v1) FROM data GROUP BY id1, id2, id3, id4, id5, id6", "duckdb": "SELECT id1, id2, id3, id4, id5, id6, SUM(v3), COUNT(v1) FROM data GROUP BY id1, id2, id3, id4, id5, id6", "pandas": "df.groupby([\"id1\",\"id2\",\"id3\",\"id4\",\"id5\",\"id6\"], as_index=False).agg(v3=(\"v3\",\"sum\"), cnt=(\"v1\",\"count\"))", "polars": "df.group_by([\"id1\",\"id2\",\"id3\",\"id4\",\"id5\",\"id6\"]).agg(pl.sum(\"v3\"), pl.col(\"v1\").count().alias(\"cnt\"))", "questdb": "SELECT id1, id2, id3, id4, id5, id6, SUM(v3), COUNT(v1) FROM data GROUP BY id1, id2, id3, id4, id5, id6", "rayforce": "t.select(v3=Column(\"v3\").sum(), cnt=Column(\"v1\").count()).by(\"id1\",\"id2\",\"id3\",\"id4\",\"id5\",\"id6\").execute()", "timescale": "SELECT id1, id2, id3, id4, id5, id6, SUM(v3), COUNT(v1) FROM data GROUP BY id1, id2, id3, id4, id5, id6"}, "join_q1": {"chdb": "SELECT * FROM x INNER JOIN small USING (id1)", "datafusion": "SELECT * FROM x INNER JOIN small USING (id1)", "duckdb": "SELECT * FROM x INNER JOIN small USING (id1)", "pandas": "x.merge(small, on=\"id1\")", "polars": "x.join(small, on=\"id1\")", "questdb": "SELECT * FROM x INNER JOIN small ON x.id1 = small.id1", "rayforce": "# pre-project right to (key, v2) to avoid to_dict() collapse on dup cols\nx.inner_join(small.select(\"id1\",\"v2\").execute(), on=[\"id1\"]).execute()", "timescale": "SELECT * FROM x INNER JOIN small USING (id1)"}, "join_q2": {"chdb": "SELECT * FROM x INNER JOIN medium USING (id2)", "datafusion": "SELECT * FROM x INNER JOIN medium USING (id2)", "duckdb": "SELECT * FROM x INNER JOIN medium USING (id2)", "pandas": "x.merge(medium, on=\"id2\")", "polars": "x.join(medium, on=\"id2\")", "questdb": "SELECT * FROM x INNER JOIN medium ON x.id2 = medium.id2", "rayforce": "x.inner_join(medium.select(\"id2\",\"v2\").execute(), on=[\"id2\"]).execute()", "timescale": "SELECT * FROM x INNER JOIN medium USING (id2)"}, "join_q3": {"chdb": "SELECT * FROM x LEFT JOIN medium USING (id2)", "datafusion": "SELECT * FROM x LEFT JOIN medium USING (id2)", "duckdb": "SELECT * FROM x LEFT JOIN medium USING (id2)", "pandas": "x.merge(medium, on=\"id2\", how=\"left\")", "polars": "x.join(medium, on=\"id2\", how=\"left\")", "questdb": "SELECT * FROM x LEFT JOIN medium ON x.id2 = medium.id2", "rayforce": "x.left_join(medium.select(\"id2\",\"v2\").execute(), on=[\"id2\"]).execute()", "timescale": "SELECT * FROM x LEFT JOIN medium USING (id2)"}, "join_q4": {"chdb": "SELECT * FROM x INNER JOIN medium USING (id5)", "datafusion": "SELECT * FROM x INNER JOIN medium USING (id5)", "duckdb": "SELECT * FROM x INNER JOIN medium USING (id5)", "pandas": "x.merge(medium, on=\"id5\")", "polars": "x.join(medium, on=\"id5\")", "questdb": "SELECT * FROM x INNER JOIN medium ON x.id5 = medium.id5", "rayforce": "x.inner_join(medium.select(\"id5\",\"v2\").execute(), on=[\"id5\"]).execute()", "timescale": "SELECT * FROM x INNER JOIN medium USING (id5)"}, "join_q5": {"chdb": "SELECT * FROM x INNER JOIN big USING (id3)", "datafusion": "SELECT * FROM x INNER JOIN big USING (id3)", "duckdb": "SELECT * FROM x INNER JOIN big USING (id3)", "pandas": "x.merge(big, on=\"id3\")", "polars": "x.join(big, on=\"id3\")", "questdb": "SELECT * FROM x INNER JOIN big ON x.id3 = big.id3", "rayforce": "x.inner_join(big.select(\"id3\",\"v2\").execute(), on=[\"id3\"]).execute()", "timescale": "SELECT * FROM x INNER JOIN big USING (id3)"}, "join_inner": {"chdb": "SELECT * FROM left INNER JOIN right USING (id1, id2, id3)", "datafusion": "SELECT * FROM left INNER JOIN right USING (id1, id2, id3)", "duckdb": "SELECT * FROM left INNER JOIN right ON left.id1=right.id1 AND left.id2=right.id2 AND left.id3=right.id3", "pandas": "left.merge(right, on=[\"id1\",\"id2\",\"id3\"], how=\"inner\")", "polars": "left.join(right, on=[\"id1\",\"id2\",\"id3\"], how=\"inner\")", "questdb": "SELECT * FROM left INNER JOIN right ON left.id1=right.id1 AND left.id2=right.id2 AND left.id3=right.id3", "rayforce": "L.inner_join(R, on=[\"id1\",\"id2\",\"id3\"]).execute()", "timescale": "SELECT * FROM left INNER JOIN right ON left.id1=right.id1 AND left.id2=right.id2 AND left.id3=right.id3"}, "join_left": {"chdb": "SELECT * FROM left LEFT JOIN right USING (id1, id2, id3)", "datafusion": "SELECT * FROM left LEFT JOIN right USING (id1, id2, id3)", "duckdb": "SELECT * FROM left LEFT JOIN right ON left.id1=right.id1 AND left.id2=right.id2 AND left.id3=right.id3", "pandas": "left.merge(right, on=[\"id1\",\"id2\",\"id3\"], how=\"left\")", "polars": "left.join(right, on=[\"id1\",\"id2\",\"id3\"], how=\"left\")", "questdb": "SELECT * FROM left LEFT JOIN right ON left.id1=right.id1 AND left.id2=right.id2 AND left.id3=right.id3", "rayforce": "L.left_join(R, on=[\"id1\",\"id2\",\"id3\"]).execute()", "timescale": "SELECT * FROM left LEFT JOIN right ON left.id1=right.id1 AND left.id2=right.id2 AND left.id3=right.id3"}, "sort_single": {"chdb": "SELECT * FROM data ORDER BY id1", "datafusion": "SELECT * FROM data ORDER BY id1", "duckdb": "SELECT * FROM data ORDER BY id1", "pandas": "df.sort_values(\"id1\")", "polars": "df.sort(\"id1\")", "questdb": "SELECT * FROM data ORDER BY id1", "rayforce": "t.order_by(\"id1\").execute()", "timescale": "SELECT * FROM data ORDER BY id1"}, "sort_multi": {"chdb": "SELECT * FROM data ORDER BY id1, id2, id3", "datafusion": "SELECT * FROM data ORDER BY id1, id2, id3", "duckdb": "SELECT * FROM data ORDER BY id1, id2, id3", "pandas": "df.sort_values([\"id1\",\"id2\",\"id3\"])", "polars": "df.sort(\"id1\",\"id2\",\"id3\")", "questdb": "SELECT * FROM data ORDER BY id1, id2, id3", "rayforce": "t.order_by(\"id1\",\"id2\",\"id3\").execute()", "timescale": "SELECT * FROM data ORDER BY id1, id2, id3"}}}; +window.chartData = {"generated_at": "2026-05-15T15:50:16+03:00", "comparison": {"adapters": ["chdb", "datafusion", "duckdb", "pandas", "polars", "questdb", "rayforce", "timescale"], "tasks": ["groupby_q1", "groupby_q10", "groupby_q2", "groupby_q3", "groupby_q4", "groupby_q5", "groupby_q6", "groupby_q7", "groupby_q8", "groupby_q9", "join_inner", "join_left", "join_q1", "join_q2", "join_q3", "join_q4", "join_q5", "sort_multi", "sort_single"], "values": [{"adapter": "rayforce", "task": "groupby_q1", "median_ms": 5.432649}, {"adapter": "rayforce", "task": "groupby_q2", "median_ms": 15.330663}, {"adapter": "rayforce", "task": "groupby_q3", "median_ms": 36.801955}, {"adapter": "rayforce", "task": "groupby_q4", "median_ms": 9.980981}, {"adapter": "rayforce", "task": "groupby_q5", "median_ms": 60.95481}, {"adapter": "rayforce", "task": "groupby_q6", "median_ms": 116.838069}, {"adapter": "rayforce", "task": "groupby_q7", "median_ms": 52.560073}, {"adapter": "rayforce", "task": "groupby_q8", "median_ms": 43.71632}, {"adapter": "rayforce", "task": "groupby_q9", "median_ms": 44.297218}, {"adapter": "rayforce", "task": "groupby_q10", "median_ms": 142.106514}, {"adapter": "polars", "task": "groupby_q1", "median_ms": 30.399757}, {"adapter": "polars", "task": "groupby_q2", "median_ms": 231.558796}, {"adapter": "polars", "task": "groupby_q3", "median_ms": 264.75707}, {"adapter": "polars", "task": "groupby_q4", "median_ms": 29.187627}, {"adapter": "polars", "task": "groupby_q5", "median_ms": 159.081854}, {"adapter": "polars", "task": "groupby_q6", "median_ms": 228.993916}, {"adapter": "polars", "task": "groupby_q7", "median_ms": 261.610351}, {"adapter": "polars", "task": "groupby_q8", "median_ms": 501.297309}, 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id1, id2"}, "groupby_q3": {"chdb": "SELECT id3, sum(v1), avg(v3) FROM data GROUP BY id3", "datafusion": "SELECT id3, sum(v1), avg(v3) FROM data GROUP BY id3", "duckdb": "SELECT id3, SUM(v1), AVG(v3) FROM data GROUP BY id3", "pandas": "df.groupby(\"id3\", as_index=False).agg(v1=(\"v1\",\"sum\"), v3=(\"v3\",\"mean\"))", "polars": "df.group_by(\"id3\").agg(pl.sum(\"v1\"), pl.mean(\"v3\"))", "questdb": "SELECT id3, SUM(v1), AVG(v3) FROM data GROUP BY id3", "rayforce": "t.select(v1=Column(\"v1\").sum(), v3=Column(\"v3\").mean()).by(\"id3\").execute()", "timescale": "SELECT id3, SUM(v1), AVG(v3) FROM data GROUP BY id3"}, "groupby_q4": {"chdb": "SELECT id4, avg(v1), avg(v2), avg(v3) FROM data GROUP BY id4", "datafusion": "SELECT id4, avg(v1), avg(v2), avg(v3) FROM data GROUP BY id4", "duckdb": "SELECT id4, AVG(v1), AVG(v2), AVG(v3) FROM data GROUP BY id4", "pandas": "df.groupby(\"id4\", as_index=False).agg(v1=(\"v1\",\"mean\"), v2=(\"v2\",\"mean\"), v3=(\"v3\",\"mean\"))", "polars": "df.group_by(\"id4\").agg(pl.mean(\"v1\"), pl.mean(\"v2\"), pl.mean(\"v3\"))", "questdb": "SELECT id4, AVG(v1), AVG(v2), AVG(v3) FROM data GROUP BY id4", "rayforce": "t.select(v1=Column(\"v1\").mean(), v2=Column(\"v2\").mean(), v3=Column(\"v3\").mean()).by(\"id4\").execute()", "timescale": "SELECT id4, AVG(v1), AVG(v2), AVG(v3) FROM data GROUP BY id4"}, "groupby_q5": {"chdb": "SELECT id6, sum(v1), sum(v2), sum(v3) FROM data GROUP BY id6", "datafusion": "SELECT id6, sum(v1), sum(v2), sum(v3) FROM data GROUP BY id6", "duckdb": "SELECT id6, SUM(v1), SUM(v2), SUM(v3) FROM data GROUP BY id6", "pandas": "df.groupby(\"id6\", as_index=False).agg(v1=(\"v1\",\"sum\"), v2=(\"v2\",\"sum\"), v3=(\"v3\",\"sum\"))", "polars": "df.group_by(\"id6\").agg(pl.sum(\"v1\"), pl.sum(\"v2\"), pl.sum(\"v3\"))", "questdb": "SELECT id6, SUM(v1), SUM(v2), SUM(v3) FROM data GROUP BY id6", "rayforce": "t.select(v1=Column(\"v1\").sum(), v2=Column(\"v2\").sum(), v3=Column(\"v3\").sum()).by(\"id6\").execute()", "timescale": "SELECT id6, SUM(v1), SUM(v2), SUM(v3) FROM data GROUP BY id6"}, "groupby_q6": {"chdb": "SELECT id4, id5, median(v3), stddevSamp(v3) FROM data GROUP BY id4, id5", "datafusion": "SELECT id4, id5, median(v3), stddev(v3) FROM data GROUP BY id4, id5", "duckdb": "SELECT id4, id5, MEDIAN(v3), STDDEV(v3) FROM data GROUP BY id4, id5", "pandas": "df.groupby([\"id4\",\"id5\"], as_index=False).agg(v3_median=(\"v3\",\"median\"), v3_std=(\"v3\",\"std\"))", "polars": "df.group_by(\"id4\",\"id5\").agg(pl.median(\"v3\"), pl.std(\"v3\"))", "questdb": "-- NYI: QuestDB has no exact median(); only approx_median", "rayforce": "t.select(v3_median=Column(\"v3\").median(), v3_std=Column(\"v3\").std()).by(\"id4\",\"id5\").execute()", "timescale": "SELECT id4, id5, PERCENTILE_CONT(0.5) WITHIN GROUP (ORDER BY v3), STDDEV_SAMP(v3) FROM data GROUP BY id4, id5"}, "groupby_q7": {"chdb": "SELECT id3, max(v1) - min(v2) FROM data GROUP BY id3", "datafusion": "SELECT id3, max(v1) - min(v2) FROM data GROUP BY id3", "duckdb": "SELECT id3, MAX(v1) - MIN(v2) FROM data GROUP BY id3", "pandas": "df.groupby(\"id3\", as_index=False).apply(lambda g: g[\"v1\"].max() - g[\"v2\"].min())", "polars": "df.group_by(\"id3\").agg((pl.max(\"v1\") - pl.min(\"v2\")).alias(\"range_v1_v2\"))", "questdb": "SELECT id3, MAX(v1) - MIN(v2) FROM data GROUP BY id3", "rayforce": "# Two-stage workaround for engine NYI on arithmetic-of-aggregates per-group:\nagg = t.select(v1m=Column(\"v1\").max(), v2m=Column(\"v2\").min()).by(\"id3\").execute()\nagg.select(\"id3\", range_v1_v2=Column(\"v1m\") - Column(\"v2m\")).execute()", "timescale": "SELECT id3, MAX(v1) - MIN(v2) FROM data GROUP BY id3"}, "groupby_q8": {"chdb": "SELECT id6, v3 FROM (SELECT id6, v3, row_number() OVER (PARTITION BY id6 ORDER BY v3 DESC) rn FROM data WHERE v3 IS NOT NULL) WHERE rn <= 2", "datafusion": "SELECT id6, v3 FROM (SELECT id6, v3, ROW_NUMBER() OVER (PARTITION BY id6 ORDER BY v3 DESC) rn FROM data WHERE v3 IS NOT NULL) WHERE rn <= 2", "duckdb": "SELECT id6, v3 FROM (SELECT id6, v3, ROW_NUMBER() OVER (PARTITION BY id6 ORDER BY v3 DESC) rn FROM data WHERE v3 IS NOT NULL) WHERE rn <= 2", "pandas": "df.dropna(subset=[\"v3\"]).sort_values(\"v3\", ascending=False).groupby(\"id6\").head(2)", "polars": "df.drop_nulls(\"v3\").sort(\"v3\", descending=True).group_by(\"id6\").agg(pl.col(\"v3\").head(2).alias(\"largest2_v3\")).explode(\"largest2_v3\")", "questdb": "SELECT id6, v3 FROM (SELECT id6, v3, row_number() OVER (PARTITION BY id6 ORDER BY v3 DESC) rn FROM data WHERE v3 IS NOT NULL) WHERE rn <= 2", "rayforce": "t.select(largest2_v3=Column(\"v3\").top(2)).by(\"id6\").execute()", "timescale": "SELECT id6, v3 FROM (SELECT id6, v3, ROW_NUMBER() OVER (PARTITION BY id6 ORDER BY v3 DESC) rn FROM data WHERE v3 IS NOT NULL) sub WHERE rn <= 2"}, "groupby_q9": {"chdb": "SELECT id2, id4, pow(corr(v1, v2), 2) FROM data GROUP BY id2, id4", "datafusion": "SELECT id2, id4, POWER(corr(v1, v2), 2) FROM data GROUP BY id2, id4", "duckdb": "SELECT id2, id4, POWER(CORR(v1, v2), 2) FROM data GROUP BY id2, id4", "pandas": "df.groupby([\"id2\",\"id4\"]).apply(lambda g: g[\"v1\"].corr(g[\"v2\"]) ** 2)", "polars": "df.group_by(\"id2\",\"id4\").agg((pl.corr(\"v1\",\"v2\")**2).alias(\"r2\"))", "questdb": "SELECT id2, id4, POWER(corr(v1, v2), 2) FROM data GROUP BY id2, id4", "rayforce": "# Two-stage: pearson_corr at top first, then square the result\nagg = t.select(r=Column(\"v1\").pearson_corr(Column(\"v2\"))).by(\"id2\",\"id4\").execute()\nagg.select(\"id2\", \"id4\", r2=Column(\"r\")*Column(\"r\")).execute()", "timescale": "SELECT id2, id4, POWER(CORR(v1, v2), 2) FROM data GROUP BY id2, id4"}, "groupby_q10": {"chdb": "SELECT id1, id2, id3, id4, id5, id6, sum(v3), count(v1) FROM data GROUP BY id1, id2, id3, id4, id5, id6", "datafusion": "SELECT id1, id2, id3, id4, id5, id6, sum(v3), count(v1) FROM data GROUP BY id1, id2, id3, id4, id5, id6", "duckdb": "SELECT id1, id2, id3, id4, id5, id6, SUM(v3), COUNT(v1) FROM data GROUP BY id1, id2, id3, id4, id5, id6", "pandas": "df.groupby([\"id1\",\"id2\",\"id3\",\"id4\",\"id5\",\"id6\"], as_index=False).agg(v3=(\"v3\",\"sum\"), cnt=(\"v1\",\"count\"))", "polars": "df.group_by([\"id1\",\"id2\",\"id3\",\"id4\",\"id5\",\"id6\"]).agg(pl.sum(\"v3\"), pl.col(\"v1\").count().alias(\"cnt\"))", "questdb": "SELECT id1, id2, id3, id4, id5, id6, SUM(v3), COUNT(v1) FROM data GROUP BY id1, id2, id3, id4, id5, id6", "rayforce": "t.select(v3=Column(\"v3\").sum(), cnt=Column(\"v1\").count()).by(\"id1\",\"id2\",\"id3\",\"id4\",\"id5\",\"id6\").execute()", "timescale": "SELECT id1, id2, id3, id4, id5, id6, SUM(v3), COUNT(v1) FROM data GROUP BY id1, id2, id3, id4, id5, id6"}, "join_q1": {"chdb": "SELECT * FROM x INNER JOIN small USING (id1)", "datafusion": "SELECT * FROM x INNER JOIN small USING (id1)", "duckdb": "SELECT * FROM x INNER JOIN small USING (id1)", "pandas": "x.merge(small, on=\"id1\")", "polars": "x.join(small, on=\"id1\")", "questdb": "SELECT * FROM x INNER JOIN small ON x.id1 = small.id1", "rayforce": "# pre-project right to (key, v2) to avoid to_dict() collapse on dup cols\nx.inner_join(small.select(\"id1\",\"v2\").execute(), on=[\"id1\"]).execute()", "timescale": "SELECT * FROM x INNER JOIN small USING (id1)"}, "join_q2": {"chdb": "SELECT * FROM x INNER JOIN medium USING (id2)", "datafusion": "SELECT * FROM x INNER JOIN medium USING (id2)", "duckdb": "SELECT * FROM x INNER JOIN medium USING (id2)", "pandas": "x.merge(medium, on=\"id2\")", "polars": "x.join(medium, on=\"id2\")", "questdb": "SELECT * FROM x INNER JOIN medium ON x.id2 = medium.id2", "rayforce": "x.inner_join(medium.select(\"id2\",\"v2\").execute(), on=[\"id2\"]).execute()", "timescale": "SELECT * FROM x INNER JOIN medium USING (id2)"}, "join_q3": {"chdb": "SELECT * FROM x LEFT JOIN medium USING (id2)", "datafusion": "SELECT * FROM x LEFT JOIN medium USING (id2)", "duckdb": "SELECT * FROM x LEFT JOIN medium USING (id2)", "pandas": "x.merge(medium, on=\"id2\", how=\"left\")", "polars": "x.join(medium, on=\"id2\", how=\"left\")", "questdb": "SELECT * FROM x LEFT JOIN medium ON x.id2 = medium.id2", "rayforce": "x.left_join(medium.select(\"id2\",\"v2\").execute(), on=[\"id2\"]).execute()", "timescale": "SELECT * FROM x LEFT JOIN medium USING (id2)"}, "join_q4": {"chdb": "SELECT * FROM x INNER JOIN medium USING (id5)", "datafusion": "SELECT * FROM x INNER JOIN medium USING (id5)", "duckdb": "SELECT * FROM x INNER JOIN medium USING (id5)", "pandas": "x.merge(medium, on=\"id5\")", "polars": "x.join(medium, on=\"id5\")", "questdb": "SELECT * FROM x INNER JOIN medium ON x.id5 = medium.id5", "rayforce": "x.inner_join(medium.select(\"id5\",\"v2\").execute(), on=[\"id5\"]).execute()", "timescale": "SELECT * FROM x INNER JOIN medium USING (id5)"}, "join_q5": {"chdb": "SELECT * FROM x INNER JOIN big USING (id3)", "datafusion": "SELECT * FROM x INNER JOIN big USING (id3)", "duckdb": "SELECT * FROM x INNER JOIN big USING (id3)", "pandas": "x.merge(big, on=\"id3\")", "polars": "x.join(big, on=\"id3\")", "questdb": "SELECT * FROM x INNER JOIN big ON x.id3 = big.id3", "rayforce": "x.inner_join(big.select(\"id3\",\"v2\").execute(), on=[\"id3\"]).execute()", "timescale": "SELECT * FROM x INNER JOIN big USING (id3)"}, "join_inner": {"chdb": "SELECT * FROM left INNER JOIN right USING (id1, id2, id3)", "datafusion": "SELECT * FROM left INNER JOIN right USING (id1, id2, id3)", "duckdb": "SELECT * FROM left INNER JOIN right ON left.id1=right.id1 AND left.id2=right.id2 AND left.id3=right.id3", "pandas": "left.merge(right, on=[\"id1\",\"id2\",\"id3\"], how=\"inner\")", "polars": "left.join(right, on=[\"id1\",\"id2\",\"id3\"], how=\"inner\")", "questdb": "SELECT * FROM left INNER JOIN right ON left.id1=right.id1 AND left.id2=right.id2 AND left.id3=right.id3", "rayforce": "L.inner_join(R, on=[\"id1\",\"id2\",\"id3\"]).execute()", "timescale": "SELECT * FROM left INNER JOIN right ON left.id1=right.id1 AND left.id2=right.id2 AND left.id3=right.id3"}, "join_left": {"chdb": "SELECT * FROM left LEFT JOIN right USING (id1, id2, id3)", "datafusion": "SELECT * FROM left LEFT JOIN right USING (id1, id2, id3)", "duckdb": "SELECT * FROM left LEFT JOIN right ON left.id1=right.id1 AND left.id2=right.id2 AND left.id3=right.id3", "pandas": "left.merge(right, on=[\"id1\",\"id2\",\"id3\"], how=\"left\")", "polars": "left.join(right, on=[\"id1\",\"id2\",\"id3\"], how=\"left\")", "questdb": "SELECT * FROM left LEFT JOIN right ON left.id1=right.id1 AND left.id2=right.id2 AND left.id3=right.id3", "rayforce": "L.left_join(R, on=[\"id1\",\"id2\",\"id3\"]).execute()", "timescale": "SELECT * FROM left LEFT JOIN right ON left.id1=right.id1 AND left.id2=right.id2 AND left.id3=right.id3"}, "sort_single": {"chdb": "SELECT * FROM data ORDER BY id1", "datafusion": "SELECT * FROM data ORDER BY id1", "duckdb": "SELECT * FROM data ORDER BY id1", "pandas": "df.sort_values(\"id1\")", "polars": "df.sort(\"id1\")", "questdb": "SELECT * FROM data ORDER BY id1", "rayforce": "t.order_by(\"id1\").execute()", "timescale": "SELECT * FROM data ORDER BY id1"}, "sort_multi": {"chdb": "SELECT * FROM data ORDER BY id1, id2, id3", "datafusion": "SELECT * FROM data ORDER BY id1, id2, id3", "duckdb": "SELECT * FROM data ORDER BY id1, id2, id3", "pandas": "df.sort_values([\"id1\",\"id2\",\"id3\"])", "polars": "df.sort(\"id1\",\"id2\",\"id3\")", "questdb": "SELECT * FROM data ORDER BY id1, id2, id3", "rayforce": "t.order_by(\"id1\",\"id2\",\"id3\").execute()", "timescale": "SELECT * FROM data ORDER BY id1, id2, id3"}}}; diff --git a/docs/data.json b/docs/data.json index b737a17..6912bd5 100644 --- a/docs/data.json +++ b/docs/data.json @@ -1,5 +1,5 @@ { - "generated_at": "2026-05-10T15:47:25+03:00", + "generated_at": "2026-05-15T15:50:16+03:00", "comparison": { "adapters": [ "chdb", @@ -36,327 +36,327 @@ { "adapter": "rayforce", "task": "groupby_q1", - "median_ms": 5.648939 + "median_ms": 5.432649 }, { "adapter": "rayforce", "task": "groupby_q2", - "median_ms": 13.452131 + "median_ms": 15.330663 }, { "adapter": "rayforce", "task": "groupby_q3", - "median_ms": 55.347612 + "median_ms": 36.801955 }, { "adapter": "rayforce", "task": "groupby_q4", - "median_ms": 10.847255 + "median_ms": 9.980981 }, { "adapter": "rayforce", "task": "groupby_q5", - "median_ms": 89.530342 + "median_ms": 60.95481 }, { "adapter": "rayforce", "task": "groupby_q6", - "median_ms": 9447.316562 + "median_ms": 116.838069 }, { "adapter": "rayforce", "task": "groupby_q7", - "median_ms": 67.263035 + "median_ms": 52.560073 }, { "adapter": "rayforce", "task": "groupby_q8", - "median_ms": 473.452573 + "median_ms": 43.71632 }, { "adapter": "rayforce", "task": "groupby_q9", - "median_ms": 6501.738587 + "median_ms": 44.297218 }, { "adapter": "rayforce", "task": "groupby_q10", - "median_ms": 184.820741 + "median_ms": 142.106514 }, { "adapter": "polars", "task": "groupby_q1", - "median_ms": 69.039284 + "median_ms": 30.399757 }, { "adapter": "polars", "task": "groupby_q2", - "median_ms": 309.79886 + "median_ms": 231.558796 }, { "adapter": "polars", "task": "groupby_q3", - "median_ms": 349.218428 + "median_ms": 264.75707 }, { "adapter": "polars", "task": "groupby_q4", - "median_ms": 66.598773 + "median_ms": 29.187627 }, { "adapter": "polars", "task": "groupby_q5", - "median_ms": 252.859031 + "median_ms": 159.081854 }, { "adapter": "polars", "task": "groupby_q6", - "median_ms": 321.612157 + "median_ms": 228.993916 }, { "adapter": "polars", "task": "groupby_q7", - "median_ms": 349.792922 + "median_ms": 261.610351 }, { "adapter": "polars", "task": "groupby_q8", - "median_ms": 663.255744 + "median_ms": 501.297309 }, { "adapter": "polars", "task": "groupby_q9", - "median_ms": 585.096253 + "median_ms": 396.981935 }, { "adapter": "polars", "task": "groupby_q10", - "median_ms": 2089.583403 + "median_ms": 1992.657088 }, { "adapter": "duckdb", "task": "groupby_q1", - "median_ms": 36.783824 + "median_ms": 35.846985 }, { "adapter": "duckdb", "task": "groupby_q2", - "median_ms": 53.231193 + "median_ms": 55.826273 }, { "adapter": "duckdb", "task": "groupby_q3", - "median_ms": 111.078593 + "median_ms": 97.597745 }, { "adapter": "duckdb", "task": "groupby_q4", - "median_ms": 8.547262 + "median_ms": 8.419355 }, { "adapter": "duckdb", "task": "groupby_q5", - "median_ms": 132.591674 + "median_ms": 103.933377 }, { "adapter": "duckdb", "task": "groupby_q6", - "median_ms": 193.852902 + "median_ms": 173.183848 }, { "adapter": "duckdb", "task": "groupby_q7", - "median_ms": 105.644674 + "median_ms": 99.50334 }, { "adapter": "duckdb", "task": "groupby_q8", - "median_ms": 163.864023 + "median_ms": 150.318978 }, { "adapter": "duckdb", "task": "groupby_q9", - "median_ms": 75.630648 + "median_ms": 77.082025 }, { "adapter": "duckdb", "task": "groupby_q10", - "median_ms": 387.660672 + "median_ms": 364.383042 }, { "adapter": "chdb", "task": "groupby_q1", - "median_ms": 43.848184 + "median_ms": 29.446581 }, { "adapter": "chdb", "task": "groupby_q2", - "median_ms": 179.888671 + "median_ms": 163.814254 }, { "adapter": "chdb", "task": "groupby_q3", - "median_ms": 223.233171 + "median_ms": 205.686589 }, { "adapter": "chdb", "task": "groupby_q4", - "median_ms": 59.008594 + "median_ms": 43.932083 }, { "adapter": "chdb", "task": "groupby_q5", - "median_ms": 188.764697 + "median_ms": 182.107518 }, { "adapter": "chdb", "task": "groupby_q6", - "median_ms": 466.187475 + "median_ms": 453.087787 }, { "adapter": "chdb", "task": "groupby_q7", - "median_ms": 235.302985 + "median_ms": 211.374778 }, { "adapter": "chdb", "task": "groupby_q8", - "median_ms": 581.626291 + "median_ms": 506.077265 }, { "adapter": "chdb", "task": "groupby_q9", - "median_ms": 206.361847 + "median_ms": 197.809132 }, { "adapter": "chdb", "task": "groupby_q10", - "median_ms": 757.94004 + "median_ms": 679.365983 }, { "adapter": "datafusion", "task": "groupby_q1", - "median_ms": 113.68986 + "median_ms": 20.638356 }, { "adapter": "datafusion", "task": "groupby_q2", - "median_ms": 201.716634 + "median_ms": 45.564036 }, { "adapter": "datafusion", "task": "groupby_q3", - "median_ms": 271.339905 + "median_ms": 163.989011 }, { "adapter": "datafusion", "task": "groupby_q4", - "median_ms": 155.606422 + "median_ms": 22.24055 }, { "adapter": "datafusion", "task": "groupby_q5", - "median_ms": 312.230788 + "median_ms": 143.45224 }, { "adapter": "datafusion", "task": "groupby_q6", - "median_ms": 270.020864 + "median_ms": 144.69545 }, { "adapter": "datafusion", "task": "groupby_q7", - "median_ms": 251.641367 + "median_ms": 144.114944 }, { "adapter": "datafusion", "task": "groupby_q8", - "median_ms": 359.246195 + "median_ms": 258.800138 }, { "adapter": "datafusion", "task": "groupby_q9", - "median_ms": 228.741086 + "median_ms": 68.358554 }, { "adapter": "datafusion", "task": "groupby_q10", - "median_ms": 605.816967 + "median_ms": 418.288108 }, { "adapter": "pandas", "task": "groupby_q1", - "median_ms": 266.856016 + "median_ms": 231.501744 }, { "adapter": "pandas", "task": "groupby_q2", - "median_ms": 697.052088 + "median_ms": 604.279904 }, { "adapter": "pandas", "task": "groupby_q3", - "median_ms": 836.507523 + "median_ms": 819.528352 }, { "adapter": "pandas", "task": "groupby_q4", - "median_ms": 243.865604 + "median_ms": 257.008619 }, { "adapter": "pandas", "task": "groupby_q5", - "median_ms": 406.412566 + "median_ms": 383.290091 }, { "adapter": "pandas", "task": "groupby_q6", - "median_ms": 691.906659 + "median_ms": 684.798864 }, { "adapter": "pandas", "task": "groupby_q7", - "median_ms": 867.738697 + "median_ms": 817.886259 }, { "adapter": "pandas", "task": "groupby_q8", - "median_ms": 6353.91252 + "median_ms": 6764.323433 }, { "adapter": "pandas", "task": "groupby_q9", - "median_ms": 7491.130648 + "median_ms": 7358.763911 }, { "adapter": "pandas", "task": "groupby_q10", - "median_ms": 6837.016711 + "median_ms": 6764.417859 }, { "adapter": "questdb", "task": "groupby_q1", - "median_ms": 22.385192 + "median_ms": 12.33835 }, { "adapter": "questdb", "task": 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543.168091, + 543.168091 ] }, { "adapter": "datafusion", "values": [ - 1238.655734 + 1126.720878, + 1100.132101, + 1091.108364 ], "boxplot": [ - 1238.655734, - 1238.655734, - 1238.655734, - 1238.655734, - 1238.655734 + 1091.108364, + 1091.108364, + 1100.132101, + 1126.720878, + 1126.720878 ] }, { "adapter": "duckdb", "values": [ - 377.423913 + 355.148863, + 345.798383, + 348.810142 ], "boxplot": [ - 377.423913, - 377.423913, - 377.423913, - 377.423913, - 377.423913 + 345.798383, + 345.798383, + 348.810142, + 355.148863, + 355.148863 ] }, { "adapter": "pandas", "values": [ - 9307.864031 + 9627.548241, + 9499.166645, + 9462.449926 ], "boxplot": [ - 9307.864031, - 9307.864031, - 9307.864031, - 9307.864031, - 9307.864031 + 9462.449926, + 9462.449926, + 9499.166645, + 9627.548241, + 9627.548241 ] }, { "adapter": "polars", "values": [ - 803.520472 + 693.818645, + 563.839667, + 570.439905 ], "boxplot": [ - 803.520472, - 803.520472, - 803.520472, - 803.520472, - 803.520472 + 563.839667, + 563.839667, + 570.439905, + 693.818645, + 693.818645 ] }, { "adapter": "questdb", "values": [ - 18630.266256 + 19581.008101, + 19680.789027, + 19465.248305 ], "boxplot": [ - 18630.266256, - 18630.266256, - 18630.266256, - 18630.266256, - 18630.266256 + 19465.248305, + 19465.248305, + 19581.008101, + 19680.789027, + 19680.789027 ] }, { "adapter": "rayforce", "values": [ - 113.875671 + 88.973229, + 84.759846, + 84.521892 ], "boxplot": [ - 113.875671, - 113.875671, - 113.875671, - 113.875671, - 113.875671 + 84.521892, + 84.521892, + 84.759846, + 88.973229, + 88.973229 ] }, { "adapter": "timescale", "values": [ - 13514.783628 + 13069.92866, + 13397.564727, + 13138.568813 ], "boxplot": [ - 13514.783628, - 13514.783628, - 13514.783628, - 13514.783628, - 13514.783628 + 13069.92866, + 13069.92866, + 13138.568813, + 13397.564727, + 13397.564727 ] } ] @@ -2897,7 +3199,7 @@ "pandas": "df.groupby([\"id2\",\"id4\"]).apply(lambda g: g[\"v1\"].corr(g[\"v2\"]) ** 2)", "polars": "df.group_by(\"id2\",\"id4\").agg((pl.corr(\"v1\",\"v2\")**2).alias(\"r2\"))", "questdb": "SELECT id2, id4, POWER(corr(v1, v2), 2) FROM data GROUP BY id2, id4", - "rayforce": "t.select(r2=Column(\"v1\").pearson_corr(Column(\"v2\"))**2).by(\"id2\",\"id4\").execute()", + "rayforce": "# Two-stage: pearson_corr at top first, then square the result\nagg = t.select(r=Column(\"v1\").pearson_corr(Column(\"v2\"))).by(\"id2\",\"id4\").execute()\nagg.select(\"id2\", \"id4\", r2=Column(\"r\")*Column(\"r\")).execute()", "timescale": "SELECT id2, id4, POWER(CORR(v1, v2), 2) FROM data GROUP BY id2, id4" }, "groupby_q10": { diff --git a/docs/histogram.html b/docs/histogram.html index 88bbc3f..7454cd0 100644 --- a/docs/histogram.html +++ b/docs/histogram.html @@ -8,7 +8,7 @@

RayforceDB H2O Benchmark