Package org.apache.tajo.master.querymaster

Examples of org.apache.tajo.master.querymaster.QueryInfo

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        responseBuilder.setState(TajoProtos.QueryState.QUERY_SUCCEEDED);
      } else {
        hookManager.doHooks(queryContext, plan);

        QueryJobManager queryJobManager = this.context.getQueryJobManager();
        QueryInfo queryInfo;

        queryInfo = queryJobManager.createNewQueryJob(queryContext, sql, rootNode);

        responseBuilder.setQueryId(queryInfo.getQueryId().getProto());
        responseBuilder.setResultCode(ClientProtos.ResultCode.OK);
        responseBuilder.setState(queryInfo.getQueryState());
        if(queryInfo.getQueryMasterHost() != null) {
          responseBuilder.setQueryMasterHost(queryInfo.getQueryMasterHost());
        }
        responseBuilder.setQueryMasterPort(queryInfo.getQueryMasterClientPort());
      }
      GetQueryStatusResponse response = responseBuilder.build();

      return response;
    } catch (Throwable t) {
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      QueryId queryId = new QueryId(request.getQueryId());
      if (queryId.equals(QueryIdFactory.NULL_QUERY_ID)) {

      }
      QueryInProgress queryInProgress = context.getQueryJobManager().getQueryInProgress(queryId);
      QueryInfo queryInfo = queryInProgress.getQueryInfo();
      GetQueryResultResponse.Builder builder
          = GetQueryResultResponse.newBuilder();
      switch (queryInfo.getQueryState()) {
        case QUERY_SUCCEEDED:
          // TODO check this logic needed
          //builder.setTableDesc((TableDescProto) queryJobManager.getResultDesc().getProto());
          break;
        case QUERY_FAILED:
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        builder.setResultCode(ResultCode.OK);
        builder.setState(TajoProtos.QueryState.QUERY_SUCCEEDED);
      } else {
        QueryInProgress queryInProgress = context.getQueryJobManager().getQueryInProgress(queryId);
        if (queryInProgress != null) {
          QueryInfo queryInfo = queryInProgress.getQueryInfo();
          builder.setResultCode(ResultCode.OK);
          builder.setState(queryInfo.getQueryState());
          builder.setProgress(queryInfo.getProgress());
          builder.setSubmitTime(queryInfo.getStartTime());
          if(queryInfo.getQueryMasterHost() != null) {
            builder.setQueryMasterHost(queryInfo.getQueryMasterHost());
            builder.setQueryMasterPort(queryInfo.getQueryMasterClientPort());
          }
          //builder.setInitTime(queryJobManager.getInitializationTime());
          //builder.setHasResult(!queryJobManager.isCreateTableStmt());
          if (queryInfo.getQueryState() == TajoProtos.QueryState.QUERY_SUCCEEDED) {
            builder.setFinishTime(queryInfo.getFinishTime());
          } else {
            builder.setFinishTime(System.currentTimeMillis());
          }
        } else {
          builder.setResultCode(ResultCode.ERROR);
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    } else { // it requires distributed execution. So, the query is forwarded to a query master.
      context.getSystemMetrics().counter("Query", "numDMLQuery").inc();
      hookManager.doHooks(queryContext, plan);

      QueryJobManager queryJobManager = this.context.getQueryJobManager();
      QueryInfo queryInfo;

      queryInfo = queryJobManager.createNewQueryJob(session, queryContext, sql, rootNode);

      if(queryInfo == null) {
        responseBuilder.setQueryId(QueryIdFactory.NULL_QUERY_ID.getProto());
        responseBuilder.setResultCode(ClientProtos.ResultCode.ERROR);
        responseBuilder.setErrorMessage("Fail starting QueryMaster.");
      } else {
        responseBuilder.setIsForwarded(true);
        responseBuilder.setQueryId(queryInfo.getQueryId().getProto());
        responseBuilder.setResultCode(ClientProtos.ResultCode.OK);
        if(queryInfo.getQueryMasterHost() != null) {
          responseBuilder.setQueryMasterHost(queryInfo.getQueryMasterHost());
        }
        responseBuilder.setQueryMasterPort(queryInfo.getQueryMasterClientPort());
        LOG.info("Query is forwarded to " + queryInfo.getQueryMasterHost() + ":" + queryInfo.getQueryMasterPort());
      }
    }
    SubmitQueryResponse response = responseBuilder.build();
    return response;
  }
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            = context.getQueryJobManager().getFinishedQueries();

        BriefQueryInfo.Builder infoBuilder = BriefQueryInfo.newBuilder();

        for (QueryInProgress queryInProgress : queries) {
          QueryInfo queryInfo = queryInProgress.getQueryInfo();

          infoBuilder.setQueryId(queryInfo.getQueryId().getProto());
          infoBuilder.setState(queryInfo.getQueryState());
          infoBuilder.setQuery(queryInfo.getSql());
          infoBuilder.setStartTime(queryInfo.getStartTime());
          long endTime = (queryInfo.getFinishTime() == 0) ?
              System.currentTimeMillis() : queryInfo.getFinishTime();
          infoBuilder.setFinishTime(endTime);
          infoBuilder.setProgress(queryInfo.getProgress());
          infoBuilder.setQueryMasterPort(queryInfo.getQueryMasterPort());
          infoBuilder.setQueryMasterHost(queryInfo.getQueryMasterHost());

          builder.addQueryList(infoBuilder.build());
        }

        GetQueryListResponse result = builder.build();
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          // It will try to find a query status from a finished query list.
          if (queryInProgress == null) {
            queryInProgress = context.getQueryJobManager().getFinishedQuery(queryId);
          }
          if (queryInProgress != null) {
            QueryInfo queryInfo = queryInProgress.getQueryInfo();
            builder.setResultCode(ResultCode.OK);
            builder.setState(queryInfo.getQueryState());
            builder.setProgress(queryInfo.getProgress());
            builder.setSubmitTime(queryInfo.getStartTime());
            if(queryInfo.getQueryMasterHost() != null) {
              builder.setQueryMasterHost(queryInfo.getQueryMasterHost());
              builder.setQueryMasterPort(queryInfo.getQueryMasterClientPort());
            }
            if (queryInfo.getQueryState() == TajoProtos.QueryState.QUERY_SUCCEEDED) {
              builder.setFinishTime(queryInfo.getFinishTime());
            } else {
              builder.setFinishTime(System.currentTimeMillis());
            }
          } else {
            builder.setResultCode(ResultCode.ERROR);
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      try {
        context.getSessionManager().touch(request.getSessionId().getId());
        QueryId queryId = new QueryId(request.getQueryId());
        QueryJobManager queryJobManager = context.getQueryJobManager();
        queryJobManager.getEventHandler().handle(new QueryJobEvent(QueryJobEvent.Type.QUERY_JOB_KILL,
            new QueryInfo(queryId)));
        return BOOL_TRUE;
      } catch (Throwable t) {
        throw new ServiceException(t);
      }
    }
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        if (queryInProgress == null) {
          builder.setErrorMessage("No such query: " + queryId.toString());
          return builder.build();
        }

        QueryInfo queryInfo = queryInProgress.getQueryInfo();

        try {
          //TODO After implementation Tajo's user security feature, Should be modified.
          builder.setTajoUserName(UserGroupInformation.getCurrentUser().getUserName());
        } catch (IOException e) {
          LOG.warn("Can't get current user name");
        }
        switch (queryInfo.getQueryState()) {
          case QUERY_SUCCEEDED:
            // TODO check this logic needed
            //builder.setTableDesc((TableDescProto) queryJobManager.getResultDesc().getProto());
            break;
          case QUERY_FAILED:
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          = context.getQueryJobManager().getRunningQueries();

        BriefQueryInfo.Builder infoBuilder = BriefQueryInfo.newBuilder();

        for (QueryInProgress queryInProgress : queries) {
          QueryInfo queryInfo = queryInProgress.getQueryInfo();

          infoBuilder.setQueryId(queryInfo.getQueryId().getProto());
          infoBuilder.setState(queryInfo.getQueryState());
          infoBuilder.setQuery(queryInfo.getSql());
          infoBuilder.setStartTime(queryInfo.getStartTime());
          long endTime = (queryInfo.getFinishTime() == 0) ?
                         System.currentTimeMillis() : queryInfo.getFinishTime();
          infoBuilder.setFinishTime(endTime);
          infoBuilder.setProgress(queryInfo.getProgress());
          infoBuilder.setQueryMasterPort(queryInfo.getQueryMasterPort());
          infoBuilder.setQueryMasterHost(queryInfo.getQueryMasterHost());

          builder.addQueryList(infoBuilder.build());
        }

        GetQueryListResponse result = builder.build();
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Related Classes of org.apache.tajo.master.querymaster.QueryInfo

  • org.apache.tajo.master.GlobalEngine
  • org.apache.tajo.master.TajoMasterClientService$TajoMasterClientProtocolServiceHandler
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