import db.sqlite struct User { id int [primary; sql: serial] name string } fn get_users(mut db sqlite.DB) []User { return sql db { select from User } } fn test_orm_mut_db() { mut db := sqlite.connect(':memory:') or { panic(err) } sql db { create table User } first_user := User{ name: 'first' } second_user := User{ name: 'second' } sql db { insert first_user into User insert second_user into User } users := get_users(mut db) assert users.len == 2 }