private static bool Act(string[] args)
        {
            var db = new TestDb();

            db.CreateScalarFunction(new ContainsScalarFunction());

            var input1 = args[0];
            var input2 = args[1];

            var contains = db.ExecuteScalar <bool>("select " + ContainsScalarFunction.Function_Name + "(?, ?);", input1, input2);

            return(contains);
        }