@Test
public void testRoute_2() throws Exception {

    List<String> tables = new ArrayList<String>();
    List<CalculateUnit > units = new ArrayList<CalculateUnit>();
    tables.add("table1");
    CalculateUnit unit1 = new CalculateUnit();
    unit1.addCondition(ConditionUnit.buildConditionUnit("table1", "a", new String[]{"2"}, ConditionUnitOperator.EQUAL));
    CalculateUnit unit2 = new CalculateUnit();
    //unit2.addCondition(ConditionUnit.buildConditionUnit("table1", "a", new String[]{"3"}, ConditionUnitOperator.EQUAL));
    units.add(unit1);
    units.add(unit2);
    ExecutePlan plan =routeService.route(tables, units, "select", SqlType.SELECT);
    System.out.println(plan);
}