public void execHiveSQL(String sqlStmt, String userName) throws Exception {
HiveConf hiveConf = new HiveConf();
Driver driver = new Driver(hiveConf);
SessionState.start(new CliSessionState(hiveConf));
driver.run(sqlStmt);
driver.close();
SessionState.get().close();
}
public void execPigLatin(String userName, final PigServer pigServer,