@Test
  public void project(
      @Injectable final DrillbitContext bitContext, @Injectable UserClientConnection connection)
      throws Exception {

    new NonStrictExpectations() {
      {
        bitContext.getMetrics();
        result = new MetricRegistry("test");
        bitContext.getAllocator();
        result = BufferAllocator.getAllocator(c);
      }
    };

    PhysicalPlanReader reader =
        new PhysicalPlanReader(
            c, c.getMapper(), CoordinationProtos.DrillbitEndpoint.getDefaultInstance());
    PhysicalPlan plan =
        reader.readPhysicalPlan(
            Files.toString(FileUtils.getResourceAsFile("/project/test1.json"), Charsets.UTF_8));
    FunctionImplementationRegistry registry = new FunctionImplementationRegistry(c);
    FragmentContext context =
        new FragmentContext(
            bitContext, FragmentHandle.getDefaultInstance(), connection, null, registry);
    SimpleRootExec exec =
        new SimpleRootExec(
            ImplCreator.getExec(
                context, (FragmentRoot) plan.getSortedOperators(false).iterator().next()));
    while (exec.next()) {
      BigIntVector c1 =
          exec.getValueVectorById(
              new SchemaPath("col1", ExpressionPosition.UNKNOWN), BigIntVector.class);
      BigIntVector c2 =
          exec.getValueVectorById(
              new SchemaPath("col2", ExpressionPosition.UNKNOWN), BigIntVector.class);
      int x = 0;
      BigIntVector.Accessor a1, a2;
      a1 = c1.getAccessor();
      a2 = c2.getAccessor();

      for (int i = 0; i < c1.getAccessor().getValueCount(); i++) {
        assertEquals(a1.get(i) + 1, a2.get(i));
        x += a1.get(i);
      }

      System.out.println(x);
    }
  }
예제 #2
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  @Test
  public void sortOneKeyAscending(
      @Injectable final DrillbitContext bitContext, @Injectable UserClientConnection connection)
      throws Throwable {
    new NonStrictExpectations() {
      {
        bitContext.getMetrics();
        result = new MetricRegistry();
        bitContext.getAllocator();
        result = new TopLevelAllocator();
        bitContext.getOperatorCreatorRegistry();
        result = new OperatorCreatorRegistry(c);
        bitContext.getConfig();
        result = c;
        bitContext.getCompiler();
        result = CodeCompiler.getTestCompiler(c);
      }
    };

    final PhysicalPlanReader reader =
        new PhysicalPlanReader(
            c, c.getMapper(), CoordinationProtos.DrillbitEndpoint.getDefaultInstance());
    final PhysicalPlan plan =
        reader.readPhysicalPlan(
            Files.toString(FileUtils.getResourceAsFile("/sort/one_key_sort.json"), Charsets.UTF_8));
    final FunctionImplementationRegistry registry = new FunctionImplementationRegistry(c);
    final FragmentContext context =
        new FragmentContext(bitContext, PlanFragment.getDefaultInstance(), connection, registry);
    final SimpleRootExec exec =
        new SimpleRootExec(
            ImplCreator.getExec(
                context, (FragmentRoot) plan.getSortedOperators(false).iterator().next()));

    int previousInt = Integer.MIN_VALUE;
    int recordCount = 0;
    int batchCount = 0;

    while (exec.next()) {
      batchCount++;
      final IntVector c1 =
          exec.getValueVectorById(
              new SchemaPath("blue", ExpressionPosition.UNKNOWN), IntVector.class);
      final IntVector c2 =
          exec.getValueVectorById(
              new SchemaPath("green", ExpressionPosition.UNKNOWN), IntVector.class);

      final IntVector.Accessor a1 = c1.getAccessor();
      final IntVector.Accessor a2 = c2.getAccessor();

      for (int i = 0; i < c1.getAccessor().getValueCount(); i++) {
        recordCount++;
        assertTrue(previousInt <= a1.get(i));
        previousInt = a1.get(i);
        assertEquals(previousInt, a2.get(i));
      }
    }

    System.out.println(String.format("Sorted %,d records in %d batches.", recordCount, batchCount));

    if (context.getFailureCause() != null) {
      throw context.getFailureCause();
    }
    assertTrue(!context.isFailed());
  }
예제 #3
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  @Override
  public void run() {
    // if a cancel thread has already entered this executor, we have not reason to continue.
    if (!hasCloseoutThread.compareAndSet(false, true)) {
      return;
    }

    final Thread myThread = Thread.currentThread();
    myThreadRef.set(myThread);
    final String originalThreadName = myThread.getName();
    final FragmentHandle fragmentHandle = fragmentContext.getHandle();
    final DrillbitContext drillbitContext = fragmentContext.getDrillbitContext();
    final ClusterCoordinator clusterCoordinator = drillbitContext.getClusterCoordinator();
    final DrillbitStatusListener drillbitStatusListener = new FragmentDrillbitStatusListener();
    final String newThreadName = QueryIdHelper.getExecutorThreadName(fragmentHandle);

    try {

      myThread.setName(newThreadName);

      // if we didn't get the root operator when the executor was created, create it now.
      final FragmentRoot rootOperator =
          this.rootOperator != null
              ? this.rootOperator
              : drillbitContext.getPlanReader().readFragmentOperator(fragment.getFragmentJson());

      root = ImplCreator.getExec(fragmentContext, rootOperator);
      if (root == null) {
        return;
      }

      clusterCoordinator.addDrillbitStatusListener(drillbitStatusListener);
      updateState(FragmentState.RUNNING);

      acceptExternalEvents.countDown();
      injector.injectPause(fragmentContext.getExecutionControls(), "fragment-running", logger);

      final DrillbitEndpoint endpoint = drillbitContext.getEndpoint();
      logger.debug(
          "Starting fragment {}:{} on {}:{}",
          fragmentHandle.getMajorFragmentId(),
          fragmentHandle.getMinorFragmentId(),
          endpoint.getAddress(),
          endpoint.getUserPort());

      final UserGroupInformation queryUserUgi =
          fragmentContext.isImpersonationEnabled()
              ? ImpersonationUtil.createProxyUgi(fragmentContext.getQueryUserName())
              : ImpersonationUtil.getProcessUserUGI();

      queryUserUgi.doAs(
          new PrivilegedExceptionAction<Void>() {
            public Void run() throws Exception {
              injector.injectChecked(
                  fragmentContext.getExecutionControls(), "fragment-execution", IOException.class);
              /*
               * Run the query until root.next returns false OR we no longer need to continue.
               */
              while (shouldContinue() && root.next()) {
                // loop
              }

              return null;
            }
          });

    } catch (OutOfMemoryError | OutOfMemoryException e) {
      if (!(e instanceof OutOfMemoryError) || "Direct buffer memory".equals(e.getMessage())) {
        fail(UserException.memoryError(e).build(logger));
      } else {
        // we have a heap out of memory error. The JVM in unstable, exit.
        CatastrophicFailure.exit(
            e, "Unable to handle out of memory condition in FragmentExecutor.", -2);
      }
    } catch (AssertionError | Exception e) {
      fail(e);
    } finally {

      // no longer allow this thread to be interrupted. We synchronize here to make sure that cancel
      // can't set an
      // interruption after we have moved beyond this block.
      synchronized (myThreadRef) {
        myThreadRef.set(null);
        Thread.interrupted();
      }

      // We need to sure we countDown at least once. We'll do it here to guarantee that.
      acceptExternalEvents.countDown();

      // here we could be in FAILED, RUNNING, or CANCELLATION_REQUESTED
      cleanup(FragmentState.FINISHED);

      clusterCoordinator.removeDrillbitStatusListener(drillbitStatusListener);

      myThread.setName(originalThreadName);
    }
  }