Examples with ValuesOperatorFactory com.facebook.presto.operator.ValuesOperator.ValuesOperatorFactory used on opensource projects

Example 1 with ValuesOperatorFactory

use of com.facebook.presto.operator.ValuesOperator.ValuesOperatorFactory 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 ValuesOperatorFactory

use of com.facebook.presto.operator.ValuesOperator.ValuesOperatorFactory in project presto by prestodb.

the class HashBuildBenchmark method createDrivers.

@Override
protected List<Driver> createDrivers(TaskContext taskContext) {
    // hash build
    OperatorFactory ordersTableScan = createTableScanOperator(0, new PlanNodeId("test"), "orders", "orderkey", "totalprice");
    HashBuilderOperatorFactory hashBuilder = new HashBuilderOperatorFactory(1, new PlanNodeId("test"), ordersTableScan.getTypes(), ImmutableList.of(0, 1), ImmutableMap.of(), Ints.asList(0), Optional.empty(), false, Optional.empty(), 1_500_000, 1, new PagesIndex.TestingFactory());
    DriverFactory hashBuildDriverFactory = new DriverFactory(0, true, true, ImmutableList.of(ordersTableScan, hashBuilder), OptionalInt.empty());
    Driver hashBuildDriver = hashBuildDriverFactory.createDriver(taskContext.addPipelineContext(0, true, true).addDriverContext());
    hashBuildDriverFactory.close();
    // empty join so build finishes
    ImmutableList.Builder<OperatorFactory> joinDriversBuilder = ImmutableList.builder();
    joinDriversBuilder.add(new ValuesOperatorFactory(0, new PlanNodeId("values"), ImmutableList.of(BIGINT), ImmutableList.of()));
    OperatorFactory joinOperator = LOOKUP_JOIN_OPERATORS.innerJoin(2, new PlanNodeId("test"), hashBuilder.getLookupSourceFactory(), ImmutableList.of(BIGINT), Ints.asList(0), Optional.empty(), Optional.empty());
    joinDriversBuilder.add(joinOperator);
    joinDriversBuilder.add(new NullOutputOperatorFactory(3, new PlanNodeId("test"), joinOperator.getTypes()));
    DriverFactory joinDriverFactory = new DriverFactory(1, true, true, joinDriversBuilder.build(), OptionalInt.empty());
    Driver joinDriver = joinDriverFactory.createDriver(taskContext.addPipelineContext(1, true, true).addDriverContext());
    joinDriverFactory.close();
    return ImmutableList.of(hashBuildDriver, joinDriver);
}

Example 3 with ValuesOperatorFactory

use of com.facebook.presto.operator.ValuesOperator.ValuesOperatorFactory in project presto by prestodb.

the class TestNestedLoopJoinOperator method buildPageSource.

private static NestedLoopJoinPagesSupplier buildPageSource(TaskContext taskContext, RowPagesBuilder buildPages) {
    DriverContext driverContext = taskContext.addPipelineContext(0, true, true).addDriverContext();
    ValuesOperatorFactory valuesOperatorFactory = new ValuesOperatorFactory(0, new PlanNodeId("test"), buildPages.getTypes(), buildPages.build());
    NestedLoopBuildOperatorFactory nestedLoopBuildOperatorFactory = new NestedLoopBuildOperatorFactory(1, new PlanNodeId("test"), buildPages.getTypes());
    Driver driver = new Driver(driverContext, valuesOperatorFactory.createOperator(driverContext), nestedLoopBuildOperatorFactory.createOperator(driverContext));
    valuesOperatorFactory.close();
    nestedLoopBuildOperatorFactory.close();
    while (!driver.isFinished()) {
        driver.process();
    }
    return nestedLoopBuildOperatorFactory.getNestedLoopJoinPagesSupplier();
}