How much faster is Java 17?(optaplanner.org)

  CREATE VIEW todays_employee_schedule AS
    SELECT ... 
    CHECK row_satisfies_constraints(...)

        // Create an in-memory database and get a JOOQ connection to it
        final DSLContext conn = DSL.using("jdbc:h2:mem:");

        // A table representing some machines
        conn.execute("create table machines(id integer)");

        // A table representing tasks, that need to be assigned to machines by DCM.
        // To do so, create a variable column (prefixed by controllable__).
        conn.execute("create table tasks(task_id integer, controllable__worker_id integer, " +
                "foreign key (controllable__worker_id) references machines(id))");

        // Add four machines
        conn.execute("insert into machines values(1)");
        ...

        // Add two tasks
        conn.execute("insert into tasks values(1, null)");
        ...

        // Time to specify a constraint! Just for fun, let's assign tasks to machines such that the machine IDs sum up to 6.
        final String constraint = "create constraint example_constraint as " +
                "select * from tasks check sum(controllable__worker_id) = 6";

        // Create a DCM model using the database connection and the above constraint
        final Model model = Model.build(conn, List.of(constraint));

        // Solve and return the tasks table. The controllable__worker_id column will either be [1, 5] or [5, 1]
        final List<Integer> column = model.solve("TASKS").map(e -> e.get("CONTROLLABLE__WORKER_ID", Integer.class));