public Db tx(VoidFunc1<Db> func) throws SQLException {
		return tx(null, func);
	}
@Test
	@Disabled
	public void txTest() throws SQLException {
		Db.use().tx(db -> {
			db.insert(Entity.create("user").set("name", "unitTestUser2"));
			db.update(Entity.create().set("age", 79), Entity.create("user").set("name", "unitTestUser2"));
			db.del("user", "name", "unitTestUser2");
		});
	}