public void AT5_SelectEnum_()
        {
            AllTypes db = CreateDB();

            var    q          = from p in db.Allinttypes select p.DbLinq_EnumTest;
            string sql_string = db.GetQueryText(q);

            DbLinq_EnumTest enumValue = q.First();

            Assert.IsTrue(enumValue > 0, "Expected enum value>0 in AllTypes, got enumValue=" + enumValue);
        }