@Test
public void testSim9() throws Exception {
PhysicalPlan php = new PhysicalPlan();
POGlobalRearrange gr = GenPhyOp.topGlobalRearrangeOp();
php.addAsLeaf(gr);
PhysicalPlan ldFil1 = GenPhyOp.loadedFilter();
PhysicalPlan ldFil2 = GenPhyOp.loadedFilter();