Examples with OutputFactory io.prestosql.operator.OutputFactory used on opensource projects

Example 1 with OutputFactory

use of io.prestosql.operator.OutputFactory in project hetu-core by openlookeng.

the class LocalQueryRunner method executeInternal.

private MaterializedResultWithPlan executeInternal(Session session, @Language("SQL") String sql) {
    lock.readLock().lock();
    try (Closer closer = Closer.create()) {
        AtomicReference<MaterializedResult.Builder> builder = new AtomicReference<>();
        PageConsumerOutputFactory outputFactory = new PageConsumerOutputFactory(types -> {
            builder.compareAndSet(null, MaterializedResult.resultBuilder(session, types));
            return builder.get()::page;
        });
        TaskContext taskContext = TestingTaskContext.builder(notificationExecutor, yieldExecutor, session).setMaxSpillSize(nodeSpillConfig.getMaxSpillPerNode()).setQueryMaxSpillSize(nodeSpillConfig.getQueryMaxSpillPerNode()).build();
        Plan plan = createPlan(session, sql, WarningCollector.NOOP);
        List<Driver> drivers = createDrivers(session, plan, outputFactory, taskContext);
        drivers.forEach(closer::register);
        boolean done = false;
        while (!done) {
            boolean processed = false;
            for (Driver driver : drivers) {
                if (alwaysRevokeMemory) {
                    driver.getDriverContext().getOperatorContexts().stream().filter(operatorContext -> operatorContext.getOperatorStats().getRevocableMemoryReservation().getValue() > 0).forEach(OperatorContext::requestMemoryRevoking);
                }
                if (!driver.isFinished()) {
                    driver.process();
                    processed = true;
                }
            }
            done = !processed;
        }
        verify(builder.get() != null, "Output operator was not created");
        return new MaterializedResultWithPlan(builder.get().build(), plan);
    } catch (IOException e) {
        throw new UncheckedIOException(e);
    } finally {
        lock.readLock().unlock();
    }
}

Example 2 with OutputFactory

use of io.prestosql.operator.OutputFactory in project hetu-core by openlookeng.

the class TestMemoryPools method setupConsumeRevocableMemory.

private RevocableMemoryOperator setupConsumeRevocableMemory(DataSize reservedPerPage, long numberOfPages) {
    AtomicReference<RevocableMemoryOperator> createOperator = new AtomicReference<>();
    setUp(() -> {
        DriverContext driverContext = taskContext.addPipelineContext(0, false, false, false).addDriverContext();
        OperatorContext revokableOperatorContext = driverContext.addOperatorContext(Integer.MAX_VALUE, new PlanNodeId("revokable_operator"), TableScanOperator.class.getSimpleName());
        OutputFactory outputFactory = new PageConsumerOutputFactory(types -> (page -> {
        }));
        Operator outputOperator = outputFactory.createOutputOperator(2, new PlanNodeId("output"), ImmutableList.of(), Function.identity(), driverContext.getPipelineContext().getTaskContext()).createOperator(driverContext);
        RevocableMemoryOperator revocableMemoryOperator = new RevocableMemoryOperator(revokableOperatorContext, reservedPerPage, numberOfPages);
        createOperator.set(revocableMemoryOperator);
        Driver driver = Driver.createDriver(driverContext, revocableMemoryOperator, outputOperator);
        return ImmutableList.of(driver);
    });
    return createOperator.get();
}

Example 3 with OutputFactory

use of io.prestosql.operator.OutputFactory in project boostkit-bigdata by kunpengcompute.

the class OmniLocalQueryRunner method executeInternal.

private MaterializedResultWithPlan executeInternal(Session session, @Language("SQL") String sql) {
    lock.readLock().lock();
    try (Closer closer = Closer.create()) {
        AtomicReference<MaterializedResult.Builder> builder = new AtomicReference<>();
        PageConsumerOutputFactory outputFactory = new PageConsumerOutputFactory(types -> {
            builder.compareAndSet(null, MaterializedResult.resultBuilder(session, types));
            return builder.get()::page;
        });
        TaskContext taskContext = TestingTaskContext.builder(notificationExecutor, yieldExecutor, session).setMaxSpillSize(nodeSpillConfig.getMaxSpillPerNode()).setQueryMaxSpillSize(nodeSpillConfig.getQueryMaxSpillPerNode()).build();
        Plan plan = createPlan(session, sql, WarningCollector.NOOP);
        List<Driver> drivers = createDrivers(session, plan, outputFactory, taskContext);
        drivers.forEach(closer::register);
        boolean done = false;
        while (!done) {
            boolean processed = false;
            for (Driver driver : drivers) {
                if (alwaysRevokeMemory) {
                    driver.getDriverContext().getOperatorContexts().stream().filter(operatorContext -> operatorContext.getOperatorStats().getRevocableMemoryReservation().getValue() > 0).forEach(OperatorContext::requestMemoryRevoking);
                }
                if (!driver.isFinished()) {
                    driver.process();
                    processed = true;
                }
            }
            done = !processed;
        }
        verify(builder.get() != null, "Output operator was not created");
        return new MaterializedResultWithPlan(builder.get().build(), plan);
    } catch (IOException e) {
        throw new UncheckedIOException(e);
    } finally {
        lock.readLock().unlock();
    }
}