Package com.facebook.presto.operator.NullOutputOperator

Examples of com.facebook.presto.operator.NullOutputOperator.NullOutputOperatorFactory

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    protected DriverFactory createDriverFactory()
    {
        List<OperatorFactory> operatorFactories = new ArrayList<>(createOperatorFactories());

        operatorFactories.add(new NullOutputOperatorFactory(999, Iterables.getLast(operatorFactories).getTupleInfos()));

        return new DriverFactory(true, true, operatorFactories);
    }
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        OperatorFactory lineItemTableScan = createTableScanOperator(0, "lineitem", "orderkey", "quantity");

        HashJoinOperatorFactory joinOperator = HashJoinOperator.innerJoin(1, hashSupplier, lineItemTableScan.getTupleInfos(), Ints.asList(0));

        NullOutputOperatorFactory output = new NullOutputOperatorFactory(2, joinOperator.getTupleInfos());

        DriverFactory driverFactory = new DriverFactory(true, true, lineItemTableScan, joinOperator, output);
        DriverContext driverContext = taskContext.addPipelineContext(true, true).addDriverContext();
        Driver driver = driverFactory.createDriver(driverContext);
        return ImmutableList.of(driver);
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        // join
        OperatorFactory lineItemTableScan = createTableScanOperator(0, "lineitem", "orderkey", "quantity");

        HashJoinOperatorFactory joinOperator = HashJoinOperator.innerJoin(1, hashBuilder.getHashSupplier(), lineItemTableScan.getTupleInfos(), Ints.asList(0));

        NullOutputOperatorFactory output = new NullOutputOperatorFactory(2, joinOperator.getTupleInfos());

        DriverFactory joinDriverFactory = new DriverFactory(true, true, lineItemTableScan, joinOperator, output);
        Driver joinDriver = joinDriverFactory.createDriver(taskContext.addPipelineContext(true, true).addDriverContext());

        return ImmutableList.of(hashBuildDriver, joinDriver);
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Related Classes of com.facebook.presto.operator.NullOutputOperator.NullOutputOperatorFactory

  • com.facebook.presto.benchmark.AbstractSimpleOperatorBenchmark
  • com.facebook.presto.benchmark.HashBuildAndJoinBenchmark
  • com.facebook.presto.benchmark.HashJoinBenchmark
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