Java CommandProcessorResponse.getResponseCode方法代码示例

import org.apache.hadoop.hive.ql.processors.CommandProcessorResponse; //导入方法依赖的package包/类
/**
 * Execute the give <i>query</i> on given <i>hiveDriver</i> instance. If a {@link CommandNeedRetryException}
 * exception is thrown, it tries upto 3 times before returning failure.
 * @param hiveDriver
 * @param query
 */
public static void executeQuery(Driver hiveDriver, String query) {
  CommandProcessorResponse response = null;
  boolean failed = false;
  int retryCount = 3;

  try {
    response = hiveDriver.run(query);
  } catch(CommandNeedRetryException ex) {
    if (--retryCount == 0) {
      failed = true;
    }
  }

  if (failed || response.getResponseCode() != 0 ) {
    throw new RuntimeException(String.format("Failed to execute command '%s', errorMsg = '%s'",
        query, (response != null ? response.getErrorMessage() : "")));
  }
}
 

import org.apache.hadoop.hive.ql.processors.CommandProcessorResponse; //导入方法依赖的package包/类
/**
 * 
 * @param hql
 * @throws CommandNeedRetryException
 * @throws IOException
 */
public void executeHQL(String hql) throws CommandNeedRetryException, IOException {
    CommandProcessorResponse response = getDriver().run(hql);
    int retCode = response.getResponseCode();
    if (retCode != 0) {
        String err = response.getErrorMessage();
        throw new IOException("Failed to execute hql [" + hql + "], error message is: " + err);
    }
}
 

import org.apache.hadoop.hive.ql.processors.CommandProcessorResponse; //导入方法依赖的package包/类
public void execHiveDDL(String ddl) throws Exception {
    LOG.info("Executing ddl = " + ddl);

    Driver hiveDriver = new Driver();
    CommandProcessorResponse response = hiveDriver.run(ddl);

    if (response.getResponseCode() > 0) {
        throw new Exception(response.getErrorMessage());
    }
}
 

import org.apache.hadoop.hive.ql.processors.CommandProcessorResponse; //导入方法依赖的package包/类
public void verifyLocalQuery(String queryStr) throws Exception {
  // setup Hive driver
  SessionState session = new SessionState(getHiveConf());
  SessionState.start(session);
  Driver driver = new Driver(session.getConf(), getUser());

  // compile the query
  CommandProcessorResponse compilerStatus = driver
      .compileAndRespond(queryStr);
  if (compilerStatus.getResponseCode() != 0) {
    String errMsg = compilerStatus.getErrorMessage();
    if (errMsg.contains(HiveAuthzConf.HIVE_SENTRY_PRIVILEGE_ERROR_MESSAGE)) {
      printMissingPerms(getHiveConf().get(
          HiveAuthzConf.HIVE_SENTRY_AUTH_ERRORS));
    }
    throw new SemanticException("Compilation error: "
        + compilerStatus.getErrorMessage());
  }
  driver.close();
  System.out
      .println("User " + getUser() + " has privileges to run the query");
}
 

import org.apache.hadoop.hive.ql.processors.CommandProcessorResponse; //导入方法依赖的package包/类
public void execHiveDDL(String ddl) throws Exception {
  LOG.info("Executing ddl = " + ddl);

  Driver hiveDriver = new Driver();
  CommandProcessorResponse response = hiveDriver.run(ddl);

  if (response.getResponseCode() > 0) {
    throw new Exception(response.getErrorMessage());
  }
}
 

import org.apache.hadoop.hive.ql.processors.CommandProcessorResponse; //导入方法依赖的package包/类
/**
 * only used by Deploy Util
 */
@Override
public void executeHQL(String hql) throws CommandNeedRetryException, IOException {
    CommandProcessorResponse response = getDriver().run(hql);
    int retCode = response.getResponseCode();
    if (retCode != 0) {
        String err = response.getErrorMessage();
        throw new IOException("Failed to execute hql [" + hql + "], error message is: " + err);
    }
}
 

import org.apache.hadoop.hive.ql.processors.CommandProcessorResponse; //导入方法依赖的package包/类
public CommandProcessorResponse run(String command) throws CommandNeedRetryException {
  CommandProcessorResponse cpr = runInternal(command);
  if(cpr.getResponseCode() == 0) {
    return cpr;
  }
  SessionState ss = SessionState.get();
  if(ss == null) {
    return cpr;
  }
  MetaDataFormatter mdf = MetaDataFormatUtils.getFormatter(ss.getConf());
  if(!(mdf instanceof JsonMetaDataFormatter)) {
    return cpr;
  }
  /*Here we want to encode the error in machine readable way (e.g. JSON)
   * Ideally, errorCode would always be set to a canonical error defined in ErrorMsg.
   * In practice that is rarely the case, so the messy logic below tries to tease
   * out canonical error code if it can.  Exclude stack trace from output when
   * the error is a specific/expected one.
   * It's written to stdout for backward compatibility (WebHCat consumes it).*/
  try {
    if(downstreamError == null) {
      mdf.error(ss.out, errorMessage, cpr.getResponseCode(), SQLState);
      return cpr;
    }
    ErrorMsg canonicalErr = ErrorMsg.getErrorMsg(cpr.getResponseCode());
    if(canonicalErr != null && canonicalErr != ErrorMsg.GENERIC_ERROR) {
      /*Some HiveExceptions (e.g. SemanticException) don't set
        canonical ErrorMsg explicitly, but there is logic
        (e.g. #compile()) to find an appropriate canonical error and
        return its code as error code. In this case we want to
        preserve it for downstream code to interpret*/
      mdf.error(ss.out, errorMessage, cpr.getResponseCode(), SQLState, null);
      return cpr;
    }
    if(downstreamError instanceof HiveException) {
      HiveException rc = (HiveException) downstreamError;
      mdf.error(ss.out, errorMessage,
              rc.getCanonicalErrorMsg().getErrorCode(), SQLState,
              rc.getCanonicalErrorMsg() == ErrorMsg.GENERIC_ERROR ?
                      org.apache.hadoop.util.StringUtils.stringifyException(rc)
                      : null);
    }
    else {
      ErrorMsg canonicalMsg =
              ErrorMsg.getErrorMsg(downstreamError.getMessage());
      mdf.error(ss.out, errorMessage, canonicalMsg.getErrorCode(),
              SQLState, org.apache.hadoop.util.StringUtils.
              stringifyException(downstreamError));
    }
  }
  catch(HiveException ex) {
    console.printError("Unable to JSON-encode the error",
            org.apache.hadoop.util.StringUtils.stringifyException(ex));
  }
  return cpr;
}