@Before
public void setup() throws Exception {
this.randomValues = new HashMap<Integer, Integer>();
this.conf = new TajoConf();
util = new TajoTestingCluster();
util.startCatalogCluster();
catalog = util.getMiniCatalogCluster().getCatalog();
Path workDir = CommonTestingUtil.getTestDir("target/test-data/TestPhysicalPlanner");
sm = StorageManagerFactory.getStorageManager(conf, workDir);