hiveConf.set(HiveConf.ConfVars.PREEXECHOOKS.varname, "");
hiveConf.set(HiveConf.ConfVars.POSTEXECHOOKS.varname, "");
hiveConf.set(HiveConf.ConfVars.HIVE_SUPPORT_CONCURRENCY.varname, "false");
hiveConf.set(HiveConf.ConfVars.METASTOREWAREHOUSE.varname, TEST_WAREHOUSE_DIR);
driver = new Driver(hiveConf);
SessionState.start(new CliSessionState(hiveConf));
cleanup();
createTable(BASIC_TABLE, "a int, b string");
createTable(COMPLEX_TABLE,