Package com.facebook.presto.operator

Examples of com.facebook.presto.operator.OperatorFactory

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        //     linestatus
        // order by
        //     returnflag,
        //     linestatus

        OperatorFactory tableScanOperator = createTableScanOperator(
                0,
                "lineitem",
                "returnflag",
                "linestatus",
                "quantity",
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        final List<Type> columnTypes = columnTypesBuilder.build();

        // get the split for this table
        final Split split = getLocalQuerySplit(tableHandle);

        return new OperatorFactory()
        {
            @Override
            public List<Type> getTypes()
            {
                return columnTypes;
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        @Override
        public OperatorFactory createOutputOperator(final int operatorId, final List<Type> sourceType)
        {
            checkNotNull(sourceType, "sourceType is null");

            return new OperatorFactory()
            {
                @Override
                public List<Type> getTypes()
                {
                    return ImmutableList.of();
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        @Override
        public PhysicalOperation visitExchange(ExchangeNode node, LocalExecutionPlanContext context)
        {
            List<Type> types = getSourceOperatorTypes(node, context.getTypes());

            OperatorFactory operatorFactory = new ExchangeOperatorFactory(context.getNextOperatorId(), node.getId(), exchangeClientSupplier, types);

            ImmutableMap.Builder<Symbol, Integer> outputMappings = ImmutableMap.builder();
            int channel = 0;
            for (Symbol symbol : node.getOutputSymbols()) {
                outputMappings.put(symbol, channel);
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            }

            // otherwise, introduce a projection to match the expected output
            IdentityProjectionInfo mappings = computeIdentityMapping(resultSymbols, source.getLayout(), context.getTypes());

            OperatorFactory operatorFactory = new FilterAndProjectOperatorFactory(context.getNextOperatorId(), FilterFunctions.TRUE_FUNCTION, mappings.getProjections());
            return new PhysicalOperation(operatorFactory, mappings.getOutputLayout(), source);
        }
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            for (Symbol symbol : windowFunctionOutputSymbols) {
                outputMappings.put(symbol, channel);
                channel++;
            }

            OperatorFactory operatorFactory = new WindowOperatorFactory(
                    context.getNextOperatorId(),
                    source.getTypes(),
                    outputChannels.build(),
                    windowFunctions.build(),
                    partitionChannels.build(),
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                sortOrders.add(node.getOrderings().get(symbol));
            }

            Optional<Integer> sampleWeightChannel = node.getSampleWeight().transform(source.channelGetter());

            OperatorFactory operator = new TopNOperatorFactory(
                    context.getNextOperatorId(),
                    source.getTypes(),
                    (int) node.getCount(),
                    sortChannels,
                    sortOrders,
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            ImmutableList.Builder<Integer> outputChannels = ImmutableList.builder();
            for (int i = 0; i < source.getTypes().size(); i++) {
                outputChannels.add(i);
            }

            OperatorFactory operator = new OrderByOperatorFactory(
                    context.getNextOperatorId(),
                    source.getTypes(),
                    outputChannels.build(),
                    10_000,
                    orderByChannels,
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        {
            PhysicalOperation source = node.getSource().accept(this, context);

            Optional<Integer> sampleWeightChannel = node.getSampleWeight().transform(source.channelGetter());

            OperatorFactory operatorFactory = new LimitOperatorFactory(context.getNextOperatorId(), source.getTypes(), node.getCount(), sampleWeightChannel);
            return new PhysicalOperation(operatorFactory, source.getLayout(), source);
        }
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        @Override
        public PhysicalOperation visitDistinctLimit(DistinctLimitNode node, LocalExecutionPlanContext context)
        {
            PhysicalOperation source = node.getSource().accept(this, context);
            OperatorFactory operatorFactory = new DistinctLimitOperatorFactory(
                    context.getNextOperatorId(),
                    source.getTypes(),
                    node.getLimit());
            return new PhysicalOperation(operatorFactory, source.getLayout(), source);
        }
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Related Classes of com.facebook.presto.operator.OperatorFactory

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  • com.facebook.presto.benchmark.DoubleSumAggregationBenchmark
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  • com.facebook.presto.benchmark.HandTpchQuery6
  • com.facebook.presto.benchmark.HashAggregationBenchmark
  • com.facebook.presto.benchmark.HashBuildAndJoinBenchmark
  • com.facebook.presto.benchmark.HashBuildBenchmark
  • com.facebook.presto.benchmark.HashJoinBenchmark
  • com.facebook.presto.benchmark.OrderByBenchmark
  • com.facebook.presto.benchmark.PredicateFilterBenchmark
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