datafusion-sqlparse/sqlparser_bench/benches/sqlparser_bench.rs
2020-06-07 16:46:55 +03:00

43 lines
1.5 KiB
Rust

// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
use criterion::{criterion_group, criterion_main, Criterion};
use sqlparser::dialect::GenericDialect;
use sqlparser::parser::Parser;
fn basic_queries(c: &mut Criterion) {
let mut group = c.benchmark_group("sqlparser-rs parsing benchmark");
let dialect = GenericDialect {};
let string = "SELECT * FROM table WHERE 1 = 1";
group.bench_function("sqlparser::select", |b| {
b.iter(|| Parser::parse_sql(&dialect, string));
});
let with_query = "
WITH derived AS (
SELECT MAX(a) AS max_a,
COUNT(b) AS b_num,
user_id
FROM TABLE
GROUP BY user_id
)
SELECT * FROM table
LEFT JOIN derived USING (user_id)
";
group.bench_function("sqlparser::with_select", |b| {
b.iter(|| Parser::parse_sql(&dialect, with_query));
});
}
criterion_group!(benches, basic_queries);
criterion_main!(benches);