Examples with LocalExchangeSinkOperatorFactory com.facebook.presto.operator.exchange.LocalExchangeSinkOperator.LocalExchangeSinkOperatorFactory used on opensource projects

Example 1 with LocalExchangeSinkOperatorFactory

use of com.facebook.presto.operator.exchange.LocalExchangeSinkOperator.LocalExchangeSinkOperatorFactory in project presto by prestodb.

the class TestHashJoinOperator method buildHash.

private static LookupSourceFactory buildHash(boolean parallelBuild, TaskContext taskContext, List<Integer> hashChannels, RowPagesBuilder buildPages, Optional<InternalJoinFilterFunction> filterFunction) {
    Optional<JoinFilterFunctionFactory> filterFunctionFactory = filterFunction.map(function -> ((session, addresses, channels) -> new StandardJoinFilterFunction(function, addresses, channels)));
    int partitionCount = parallelBuild ? PARTITION_COUNT : 1;
    LocalExchange localExchange = new LocalExchange(FIXED_HASH_DISTRIBUTION, partitionCount, buildPages.getTypes(), hashChannels, buildPages.getHashChannel());
    LocalExchangeSinkFactory sinkFactory = localExchange.createSinkFactory();
    sinkFactory.noMoreSinkFactories();
    // collect input data into the partitioned exchange
    DriverContext collectDriverContext = taskContext.addPipelineContext(0, true, true).addDriverContext();
    ValuesOperatorFactory valuesOperatorFactory = new ValuesOperatorFactory(0, new PlanNodeId("values"), buildPages.getTypes(), buildPages.build());
    LocalExchangeSinkOperatorFactory sinkOperatorFactory = new LocalExchangeSinkOperatorFactory(1, new PlanNodeId("sink"), sinkFactory, Function.identity());
    Driver driver = new Driver(collectDriverContext, valuesOperatorFactory.createOperator(collectDriverContext), sinkOperatorFactory.createOperator(collectDriverContext));
    valuesOperatorFactory.close();
    sinkOperatorFactory.close();
    while (!driver.isFinished()) {
        driver.process();
    }
    // build hash tables
    LocalExchangeSourceOperatorFactory sourceOperatorFactory = new LocalExchangeSourceOperatorFactory(0, new PlanNodeId("source"), localExchange);
    HashBuilderOperatorFactory buildOperatorFactory = new HashBuilderOperatorFactory(1, new PlanNodeId("build"), buildPages.getTypes(), rangeList(buildPages.getTypes().size()), ImmutableMap.of(), hashChannels, buildPages.getHashChannel(), false, filterFunctionFactory, 100, partitionCount, new PagesIndex.TestingFactory());
    PipelineContext buildPipeline = taskContext.addPipelineContext(1, true, true);
    Driver[] buildDrivers = new Driver[partitionCount];
    for (int i = 0; i < partitionCount; i++) {
        DriverContext buildDriverContext = buildPipeline.addDriverContext();
        buildDrivers[i] = new Driver(buildDriverContext, sourceOperatorFactory.createOperator(buildDriverContext), buildOperatorFactory.createOperator(buildDriverContext));
    }
    while (!buildOperatorFactory.getLookupSourceFactory().createLookupSource().isDone()) {
        for (Driver buildDriver : buildDrivers) {
            buildDriver.process();
        }
    }
    return buildOperatorFactory.getLookupSourceFactory();
}

Example 2 with LocalExchangeSinkOperatorFactory

use of com.facebook.presto.operator.exchange.LocalExchangeSinkOperator.LocalExchangeSinkOperatorFactory in project presto by prestodb.

the class TestHashJoinOperator method setupBuildSide.

private BuildSideSetup setupBuildSide(boolean parallelBuild, TaskContext taskContext, List<Integer> hashChannels, RowPagesBuilder buildPages, Optional<InternalJoinFilterFunction> filterFunction, boolean spillEnabled, SingleStreamSpillerFactory singleStreamSpillerFactory, boolean enforceBroadcastMemoryLimit) {
    Optional<JoinFilterFunctionFactory> filterFunctionFactory = filterFunction.map(function -> (session, addresses, pages) -> new StandardJoinFilterFunction(function, addresses, pages));
    int partitionCount = parallelBuild ? PARTITION_COUNT : 1;
    LocalExchangeFactory localExchangeFactory = new LocalExchangeFactory(partitioningProviderManager, session, FIXED_HASH_DISTRIBUTION, partitionCount, buildPages.getTypes(), hashChannels, buildPages.getHashChannel(), UNGROUPED_EXECUTION, new DataSize(32, DataSize.Unit.MEGABYTE));
    LocalExchangeSinkFactoryId localExchangeSinkFactoryId = localExchangeFactory.newSinkFactoryId();
    localExchangeFactory.noMoreSinkFactories();
    // collect input data into the partitioned exchange
    DriverContext collectDriverContext = taskContext.addPipelineContext(0, true, true, false).addDriverContext();
    ValuesOperatorFactory valuesOperatorFactory = new ValuesOperatorFactory(0, new PlanNodeId("values"), buildPages.build());
    LocalExchangeSinkOperatorFactory sinkOperatorFactory = new LocalExchangeSinkOperatorFactory(localExchangeFactory, 1, new PlanNodeId("sink"), localExchangeSinkFactoryId, Function.identity());
    Driver sourceDriver = Driver.createDriver(collectDriverContext, valuesOperatorFactory.createOperator(collectDriverContext), sinkOperatorFactory.createOperator(collectDriverContext));
    valuesOperatorFactory.noMoreOperators();
    sinkOperatorFactory.noMoreOperators();
    while (!sourceDriver.isFinished()) {
        sourceDriver.process();
    }
    // build side operator factories
    LocalExchangeSourceOperatorFactory sourceOperatorFactory = new LocalExchangeSourceOperatorFactory(0, new PlanNodeId("source"), localExchangeFactory);
    JoinBridgeManager<PartitionedLookupSourceFactory> lookupSourceFactoryManager = JoinBridgeManager.lookupAllAtOnce(new PartitionedLookupSourceFactory(buildPages.getTypes(), rangeList(buildPages.getTypes().size()).stream().map(buildPages.getTypes()::get).collect(toImmutableList()), hashChannels.stream().map(buildPages.getTypes()::get).collect(toImmutableList()), partitionCount, requireNonNull(ImmutableMap.of(), "layout is null"), false));
    HashBuilderOperatorFactory buildOperatorFactory = new HashBuilderOperatorFactory(1, new PlanNodeId("build"), lookupSourceFactoryManager, rangeList(buildPages.getTypes().size()), hashChannels, buildPages.getHashChannel().map(OptionalInt::of).orElse(OptionalInt.empty()), filterFunctionFactory, Optional.empty(), ImmutableList.of(), 100, new PagesIndex.TestingFactory(false), spillEnabled, singleStreamSpillerFactory, enforceBroadcastMemoryLimit);
    return new BuildSideSetup(lookupSourceFactoryManager, buildOperatorFactory, sourceOperatorFactory, partitionCount);
}