Examples of org.apache.hadoop.hive.service.HiveClient

org.apache.hadoop.hive.service.HiveClient
Thrift Hive Client Just an empty class that can be used to run queries on a stand alone hive server

        port = Integer.parseInt(hostport[1]);
      } catch (Exception e) {
      }
      transport = new TSocket(host, port);
      TProtocol protocol = new TBinaryProtocol(transport);
      client = new HiveClient(protocol);
      try {
        transport.open();
      } catch (TTransportException e) {
        throw new SQLException("Could not establish connection to "
            + uri + ": " + e.getMessage(), "08S01");

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    }


    @Override
    public HiveClient getClient() {


      HiveClient result = mock(HiveClient.class);
      if (ClientResult.RETURN_OK.equals(this.result)) {
        List<String> fetchResult = new ArrayList<String>(1);
        fetchResult.add("test result");
        try {
          when(result.fetchN(anyInt())).thenReturn(fetchResult);
        } catch (HiveServerException e) {
        } catch (Exception e) {
        }
      } else if (ClientResult.RETURN_SERVER_EXCEPTION.equals(this.result)) {
        HiveServerException exception = new HiveServerException("test HiveServerException", 10,
            "sql state");
        try {
          when(result.fetchN(anyInt())).thenThrow(exception);


          when(result.fetchN(anyInt())).thenThrow(exception);
        } catch (TException e) {
          ;
        }
        return result;
      } else if (ClientResult.RETURN_T_EXCEPTION.equals(this.result)) {
        TException exception = new TException("test TException");
        try {
          // org.mockito.Mockito.
          doThrow(exception).when(result).clean();
          when(result.fetchN(anyInt())).thenThrow(exception);
        } catch (TException e) {
          e.printStackTrace();
        }
        return result;
      }

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        port = Integer.parseInt(hostport[1]);
      } catch (Exception e) {
      }
      transport = new TSocket(host, port);
      TProtocol protocol = new TBinaryProtocol(transport);
      client = new HiveClient(protocol);
      try {
        transport.open();
      } catch (TTransportException e) {
        throw new SQLException("Could not establish connection to "
            + uri + ": " + e.getMessage(), "08S01");

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        if (s != null && !s.isEmpty()) {
          ss.out.println(StringUtils.join(s, "\n"));
        }
      }
    } else if (ss.isRemoteMode()) { // remote mode -- connecting to remote hive server
      HiveClient client = ss.getClient();
      PrintStream out = ss.out;
      PrintStream err = ss.err;


      try {
        client.execute(cmd_trimmed);
        List<String> results;
        do {
          results = client.fetchN(LINES_TO_FETCH);
          for (String line : results) {
            out.println(line);
          }
        } while (results.size() == LINES_TO_FETCH);
      } catch (HiveServerException e) {
        ret = e.getErrorCode();
        if (ret != 0) { // OK if ret == 0 -- reached the EOF
          String errMsg = e.getMessage();
          if (errMsg == null) {
            errMsg = e.toString();
          }
          ret = e.getErrorCode();
          err.println("[Hive Error]: " + errMsg);
        }
      } catch (TException e) {
        String errMsg = e.getMessage();
        if (errMsg == null) {
          errMsg = e.toString();
        }
        ret = -10002;
        err.println("[Thrift Error]: " + errMsg);
      } finally {
        try {
          client.clean();
        } catch (TException e) {
          String errMsg = e.getMessage();
          if (errMsg == null) {
            errMsg = e.toString();
          }

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   * Connect to Hive Server
   */
  public void connect() throws TTransportException {
    transport = new TSocket(host, port);
    TProtocol protocol = new TBinaryProtocol(transport);
    client = new HiveClient(protocol);
    transport.open();
    remoteMode = true;
  }

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    hiveHost = conf.getHiveHost();
    hivePort = conf.getHivePort();


    transport = new TSocket(hiveHost, hivePort);
    protocol = new TBinaryProtocol(transport);
    client = new HiveClient(protocol);
    if (StringUtils.isNotEmpty(elasticsearchUrl)) {
      this.elasticsearchUrl = elasticsearchUrl;
      this.elasticsearchMarkerFolder = conf.getElasticSearchMarkerFolder();
      if (runMarkerQueries) {
        LOG.info("RUNNING ELASTICSEARCHMARKERQUERIES\n");
        runElasticSearchMarkerQueries();
      }
    }
    this.hiveTableName = hiveTableName;
    hiveMarkerFolder = conf.getHiveDefaultMarkerFolder();
    try {
      if (!transport.isOpen()) {
        LOG.error("hive transport is closed, re-opening");
        transport = new TSocket(hiveHost, hivePort);
        protocol = new TBinaryProtocol(transport);
        client = new HiveClient(protocol);
        transport.open();        
        if (runMarkerQueries) {
          LOG.info("RUNNING HIVEMARKERQUERIES\n");
          runHiveMarkerQueries();
        }

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    try {
      if (!transport.isOpen()) {
        LOG.error("hive transport is closed, re-opening");
        transport = new TSocket(hiveHost, hivePort);
        protocol = new TBinaryProtocol(transport);
        client = new HiveClient(protocol);
        transport.open();


      }
      client.execute(query);
      transport.close();

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