Package org.apache.tajo.master.session

Examples of org.apache.tajo.master.session.Session

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      workerContext.getWorkerSystemMetrics().counter("querymaster", "numQuery").inc();

      QueryId queryId = new QueryId(request.getQueryId());
      LOG.info("Receive executeQuery request:" + queryId);
      queryMaster.handle(new QueryStartEvent(queryId,
          new Session(request.getSession()),
          new QueryContext(request.getQueryContext()), request.getSql().getValue(),
          request.getLogicalPlanJson().getValue()));
      done.run(TajoWorker.TRUE_PROTO);
    } catch (Exception e) {
      workerContext.getWorkerSystemMetrics().counter("querymaster", "errorQuery").inc();
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    @Override
    public SubmitQueryResponse submitQuery(RpcController controller, QueryRequest request) throws ServiceException {


      try {
        Session session = context.getSessionManager().getSession(request.getSessionId().getId());

        if(LOG.isDebugEnabled()) {
          LOG.debug("Query [" + request.getQuery() + "] is submitted");
        }
        return context.getGlobalEngine().executeQuery(session, request.getQuery());
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    @Override
    public UpdateQueryResponse updateQuery(RpcController controller, QueryRequest request) throws ServiceException {

      try {
        Session session = context.getSessionManager().getSession(request.getSessionId().getId());
        UpdateQueryResponse.Builder builder = UpdateQueryResponse.newBuilder();
        try {
          context.getGlobalEngine().updateQuery(session, request.getQuery());
          builder.setResultCode(ResultCode.OK);
          return builder.build();
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    }

    @Override
    public BoolProto createDatabase(RpcController controller, SessionedStringProto request) throws ServiceException {
      try {
        Session session = context.getSessionManager().getSession(request.getSessionId().getId());
        if (context.getGlobalEngine().createDatabase(session, request.getValue(), null, false)) {
          return BOOL_TRUE;
        } else {
          return BOOL_FALSE;
        }
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    }

    @Override
    public BoolProto dropDatabase(RpcController controller, SessionedStringProto request) throws ServiceException {
      try {
        Session session = context.getSessionManager().getSession(request.getSessionId().getId());

        if (context.getGlobalEngine().dropDatabase(session, request.getValue(), false)) {
          return BOOL_TRUE;
        } else {
          return BOOL_FALSE;
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    }

    @Override
    public BoolProto existTable(RpcController controller, SessionedStringProto request) throws ServiceException {
      try {
        Session session = context.getSessionManager().getSession(request.getSessionId().getId());

        String databaseName;
        String tableName;
        if (CatalogUtil.isFQTableName(request.getValue())) {
          String [] splitted = CatalogUtil.splitFQTableName(request.getValue());
          databaseName = splitted[0];
          tableName = splitted[1];
        } else {
          databaseName = session.getCurrentDatabase();
          tableName = request.getValue();
        }

        if (catalog.existsTable(databaseName, tableName)) {
          return BOOL_TRUE;
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    @Override
    public GetTableListResponse getTableList(RpcController controller,
                                             GetTableListRequest request) throws ServiceException {
      try {
        Session session = context.getSessionManager().getSession(request.getSessionId().getId());
        String databaseName;
        if (request.hasDatabaseName()) {
          databaseName = request.getDatabaseName();
        } else {
          databaseName = session.getCurrentDatabase();
        }
        Collection<String> tableNames = catalog.getAllTableNames(databaseName);
        GetTableListResponse.Builder builder = GetTableListResponse.newBuilder();
        builder.addAllTables(tableNames);
        return builder.build();
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    }

    @Override
    public TableResponse getTableDesc(RpcController controller, GetTableDescRequest request) throws ServiceException {
      try {
        Session session = context.getSessionManager().getSession(request.getSessionId().getId());

        String databaseName;
        String tableName;
        if (CatalogUtil.isFQTableName(request.getTableName())) {
          String [] splitted = CatalogUtil.splitFQTableName(request.getTableName());
          databaseName = splitted[0];
          tableName = splitted[1];
        } else {
          databaseName = session.getCurrentDatabase();
          tableName = request.getTableName();
        }

        if (catalog.existsTable(databaseName, tableName)) {
          return TableResponse.newBuilder()
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    @Override
    public TableResponse createExternalTable(RpcController controller, CreateTableRequest request)
        throws ServiceException {
      try {
        Session session = context.getSessionManager().getSession(request.getSessionId().getId());

        Path path = new Path(request.getPath());
        FileSystem fs = path.getFileSystem(conf);

        if (!fs.exists(path)) {
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    }

    @Override
    public BoolProto dropTable(RpcController controller, DropTableRequest dropTable) throws ServiceException {
      try {
        Session session = context.getSessionManager().getSession(dropTable.getSessionId().getId());
        context.getGlobalEngine().dropTable(session, dropTable.getName(), false, dropTable.getPurge());
        return BOOL_TRUE;
      } catch (Throwable t) {
        throw new ServiceException(t);
      }
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Related Classes of org.apache.tajo.master.session.Session

  • org.apache.tajo.catalog.Options
  • org.apache.tajo.engine.eval.ExprTestBase
  • org.apache.tajo.LocalTajoTestingUtility
  • org.apache.tajo.master.querymaster.QueryMasterManagerService
  • org.apache.tajo.master.TajoMasterClientService$TajoMasterClientProtocolServiceHandler
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