}, {
		SQL:          "name1 = @name1 AND name2 = @name2 AND name3 = @name1",
		Vars:         []interface{}{sql.Named("name1", "jinzhu"), sql.Named("name2", "jinzhu2")},
		Result:       "name1 = ? AND name2 = ? AND name3 = ?",
		ExpectedVars: []interface{}{"jinzhu", "jinzhu2", "jinzhu"},
	}, {
		SQL:          "name1 = @name1 AND name2 = @name2 AND name3 = @name1",

        ComponentUtil.register(comp2, "name2");
        ComponentUtil.register(comp3, "name3");

        assertEquals(comp1, ComponentUtil.getComponent("name1"));
        assertEquals(comp2, ComponentUtil.getComponent("name2"));
        assertEquals(comp3, ComponentUtil.getComponent("name3"));
    }