private TableDesc employee;
@Before
public void setUp() throws Exception {
this.conf = new TajoConf();
util = new TajoTestingCluster();
catalog = util.startCatalogCluster().getCatalog();
testDir = CommonTestingUtil.getTestDir(TEST_PATH);
catalog.createTablespace(DEFAULT_TABLESPACE_NAME, testDir.toUri().toString());
catalog.createDatabase(TajoConstants.DEFAULT_DATABASE_NAME, DEFAULT_TABLESPACE_NAME);