Package org.apache.tajo.client

Examples of org.apache.tajo.client.QueryStatus

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    }

    // query execute
    try {

      QueryStatus status;
      int initRetries = 0;
      int progressRetries = 0;
      while (true) {
        // TODO - configurable
        status = client.getQueryStatus(queryId);
        if(status.getState() == QueryState.QUERY_MASTER_INIT || status.getState() == QueryState.QUERY_MASTER_LAUNCHED) {
          Thread.sleep(Math.min(20 * initRetries, 1000));
          initRetries++;
          continue;
        }

        if (status.getState() == QueryState.QUERY_RUNNING || status.getState() == QueryState.QUERY_SUCCEEDED) {
          sout.println("Progress: " + (int)(status.getProgress() * 100.0f)
              + "%, response time: " + ((float)(status.getFinishTime() - status.getSubmitTime()) / 1000.0) + " sec");
          sout.flush();
        }

        if (status.getState() != QueryState.QUERY_RUNNING &&
            status.getState() != QueryState.QUERY_NOT_ASSIGNED &&
            status.getState() != QueryState.QUERY_KILL_WAIT) {
          break;
        } else {
          Thread.sleep(Math.min(200 * progressRetries, 1000));
          progressRetries += 2;
        }
      }

      if (status.getState() == QueryState.QUERY_ERROR) {
        sout.println("Internal error!");
        if(status.getErrorMessage() != null && !status.getErrorMessage().isEmpty()) {
          sout.println(status.getErrorMessage());
        }
      } else if (status.getState() == QueryState.QUERY_FAILED) {
        sout.println("Query failed!");
      } else if (status.getState() == QueryState.QUERY_KILLED) {
        sout.println(queryId + " is killed.");
      } else {
        if (status.getState() == QueryState.QUERY_SUCCEEDED) {
          sout.println("final state: " + status.getState()
              + ", response time: " + (((float)(status.getFinishTime() - status.getSubmitTime()) / 1000.0)
              + " sec"));
          if (status.hasResult()) {
            ClientProtos.GetQueryResultResponse response = client.getResultResponse(queryId);
            ResultSet res = TajoClient.createResultSet(client, queryId, response);
            TableDesc desc = new TableDesc(response.getTableDesc());
            long totalRowNum = desc.getStats().getNumRows();
            long totalBytes = desc.getStats().getNumBytes();
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    }

    // query execute
    try {

      QueryStatus status;
      while (true) {
        // TODO - configurable
        Thread.sleep(1000);
        status = client.getQueryStatus(queryId);
        if(status.getState() == QueryState.QUERY_MASTER_INIT || status.getState() == QueryState.QUERY_MASTER_LAUNCHED) {
          continue;
        }

        if (status.getState() == QueryState.QUERY_RUNNING ||
            status.getState() == QueryState.QUERY_SUCCEEDED) {
          sout.println("Progress: " + (int)(status.getProgress() * 100.0f)
              + "%, response time: " + ((float)(status.getFinishTime() - status.getSubmitTime()) / 1000.0) + " sec");
          sout.flush();
        }

        if (status.getState() != QueryState.QUERY_RUNNING && status.getState() != QueryState.QUERY_NOT_ASSIGNED) {
          break;
        }
      }

      if (isFailed(status.getState())) {
        sout.println(status.getErrorMessage());
      } else if (status.getState() == QueryState.QUERY_KILLED) {
        sout.println(queryId + " is killed.");
      } else {
        if (status.getState() == QueryState.QUERY_SUCCEEDED) {
          sout.println("final state: " + status.getState()
              + ", init time: " + (((float)(status.getInitTime() - status.getSubmitTime()) / 1000.0) + " sec")
              + ", response time: " + (((float)(status.getFinishTime() - status.getSubmitTime()) / 1000.0)
              + " sec"));
          if (status.hasResult()) {
            ResultSet res = client.getQueryResult(queryId);
            try {
              if (res == null) {
                sout.println("OK");
                return;
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    }

    private void getQueryResult(QueryId tajoQueryId) {
      // query execute
      try {
        QueryStatus status = null;

        while (!stop.get()) {
          try {
            Thread.sleep(1000);
          } catch(InterruptedException e) {
            break;
          }
          status = tajoClient.getQueryStatus(tajoQueryId);
          if (status.getState() == TajoProtos.QueryState.QUERY_MASTER_INIT
              || status.getState() == TajoProtos.QueryState.QUERY_MASTER_LAUNCHED) {
            continue;
          }

          if (status.getState() == TajoProtos.QueryState.QUERY_RUNNING
              || status.getState() == TajoProtos.QueryState.QUERY_SUCCEEDED) {
            int progressValue = (int) (status.getProgress() * 100.0f);
            if(progressValue == 100)  {
              progressValue = 99;
            }
            progress.set(progressValue);
          }
          if (status.getState() != TajoProtos.QueryState.QUERY_RUNNING
              && status.getState() != TajoProtos.QueryState.QUERY_NOT_ASSIGNED) {
            break;
          }
        }

        if(status == null) {
          LOG.error("Query Status is null");
          error = new Exception("Query Status is null");
          return;
        }
        if (status.getState() == TajoProtos.QueryState.QUERY_ERROR ||
            status.getState() == TajoProtos.QueryState.QUERY_FAILED) {
          error = new Exception(status.getErrorMessage());
        } else if (status.getState() == TajoProtos.QueryState.QUERY_KILLED) {
          LOG.info(queryId + " is killed.");
          error = new Exception(queryId + " is killed.");
        } else {
          if (status.getState() == TajoProtos.QueryState.QUERY_SUCCEEDED) {
            if (status.hasResult()) {
              ResultSet res = tajoClient.getQueryResult(tajoQueryId);
              try {
                ResultSetMetaData rsmd = res.getMetaData();
                TableDesc desc = tajoClient.getResultDesc(tajoQueryId);
                LOG.info("Tajo Query Result: " + desc.getPath() + "\n");
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    }

    private void getQueryResult(QueryId tajoQueryId) {
      // query execute
      try {
        QueryStatus status = null;

        while (!stop.get()) {
          try {
            Thread.sleep(1000);
          } catch(InterruptedException e) {
            break;
          }
          status = tajoClient.getQueryStatus(tajoQueryId);
          if (status.getState() == TajoProtos.QueryState.QUERY_MASTER_INIT
              || status.getState() == TajoProtos.QueryState.QUERY_MASTER_LAUNCHED) {
            continue;
          }

          if (status.getState() == TajoProtos.QueryState.QUERY_RUNNING
              || status.getState() == TajoProtos.QueryState.QUERY_SUCCEEDED) {
            int progressValue = (int) (status.getProgress() * 100.0f);
            if(progressValue == 100)  {
              progressValue = 99;
            }
            progress.set(progressValue);
          }
          if (status.getState() != TajoProtos.QueryState.QUERY_RUNNING
              && status.getState() != TajoProtos.QueryState.QUERY_NOT_ASSIGNED) {
            break;
          }
        }

        if(status == null) {
          LOG.error("Query Status is null");
          error = new Exception("Query Status is null");
          return;
        }
        if (status.getState() == TajoProtos.QueryState.QUERY_ERROR ||
            status.getState() == TajoProtos.QueryState.QUERY_FAILED) {
          error = new Exception(status.getErrorMessage());
        } else if (status.getState() == TajoProtos.QueryState.QUERY_KILLED) {
          LOG.info(queryId + " is killed.");
          error = new Exception(queryId + " is killed.");
        } else {
          if (status.getState() == TajoProtos.QueryState.QUERY_SUCCEEDED) {
            if (status.hasResult()) {
              ResultSet res = null;
              try {
                ClientProtos.GetQueryResultResponse response = tajoClient.getResultResponse(tajoQueryId);
                TableDesc desc = CatalogUtil.newTableDesc(response.getTableDesc());
                tajoClient.getConf().setVar(TajoConf.ConfVars.USERNAME, response.getTajoUserName());
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Related Classes of org.apache.tajo.client.QueryStatus

  • org.apache.tajo.cli.TajoCli
  • org.apache.tajo.QueryId
  • org.apache.tajo.webapp.QueryExecutorServlet$QueryRunner
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