// 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 risingwave_sqlparser::dialect::GenericDialect;
use risingwave_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);
