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import typing as t
from argparse import ArgumentParser
from benchmarks.helpers import ascii_table
from sqlglot.optimizer import optimize
from sqlglot import parse_one
from tests.helpers import load_sql_fixture_pairs, TPCH_SCHEMA, TPCDS_SCHEMA
from timeit import Timer
import sys
# Deeply nested conditions currently require a lot of recursion
sys.setrecursionlimit(10000)
def gen_condition(n):
return parse_one(" OR ".join(f"a = {i} AND b = {i}" for i in range(n)))
BENCHMARKS = {
"tpch": lambda: (
[parse_one(sql) for _, sql, _ in load_sql_fixture_pairs("optimizer/tpc-h/tpc-h.sql")],
TPCH_SCHEMA,
3,
),
"tpcds": lambda: (
[parse_one(sql) for _, sql, _ in load_sql_fixture_pairs("optimizer/tpc-ds/tpc-ds.sql")],
TPCDS_SCHEMA,
3,
),
"condition_10": lambda: (
[gen_condition(10)],
{},
10,
),
"condition_100": lambda: (
[gen_condition(100)],
{},
10,
),
"condition_1000": lambda: (
[gen_condition(1000)],
{},
3,
),
}
def bench() -> list[dict[str, t.Any]]:
parser = ArgumentParser()
parser.add_argument("-b", "--benchmark", choices=BENCHMARKS, action="append")
args = parser.parse_args()
benchmarks = list(args.benchmark or BENCHMARKS)
table = []
for benchmark in benchmarks:
expressions, schema, n = BENCHMARKS[benchmark]()
def func():
for e in expressions:
optimize(e, schema)
timer = Timer(func)
min_duration = min(timer.repeat(repeat=n, number=1))
table.append({"Benchmark": benchmark, "Duration (s)": round(min_duration, 4)})
return table
if __name__ == "__main__":
print(ascii_table(bench()))
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