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);