third_party/rust/rusqlite/benches/cache.rs


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use bencher::{benchmark_group, benchmark_main, Bencher};
use rusqlite::Connection;

fn bench_no_cache(b: &mut Bencher) {
    let db = Connection::open_in_memory().unwrap();
    db.set_prepared_statement_cache_capacity(0);
    let sql = "SELECT 1, 'test', 3.14 UNION SELECT 2, 'exp', 2.71";
    b.iter(|| db.prepare(sql).unwrap());
}

fn bench_cache(b: &mut Bencher) {
    let db = Connection::open_in_memory().unwrap();
    let sql = "SELECT 1, 'test', 3.14 UNION SELECT 2, 'exp', 2.71";
    b.iter(|| db.prepare_cached(sql).unwrap());
}

benchmark_group!(cache_benches, bench_no_cache, bench_cache);
benchmark_main!(cache_benches);