Examples of FieldOrderedTupleComparator

com.facebook.presto.tuple.FieldOrderedTupleComparator
Compares two field-aligned TupleReadables field by field.

Examples of com.facebook.presto.tuple.FieldOrderedTupleComparator

            for (Symbol symbol : orderBySymbols) {
                sortFields.add(getFirst(source.getLayout().get(symbol)).getField());
                sortOrders.add(node.getOrderings().get(symbol));
            }


            Ordering<TupleReadable> ordering = Ordering.from(new FieldOrderedTupleComparator(sortFields, sortOrders));


            IdentityProjectionInfo mappings = computeIdentityMapping(node.getOutputSymbols(), source.getLayout(), context.getTypes());


            OperatorFactory operator = new TopNOperatorFactory(
                    context.getNextOperatorId(),

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Examples of com.facebook.presto.tuple.FieldOrderedTupleComparator

            for (Symbol symbol : orderBySymbols) {
                sortChannels.add(source.getLayout().get(symbol).getChannel());
                sortOrders.add(node.getOrderings().get(symbol));
            }


            Ordering<TupleReadable[]> ordering = Ordering.from(new FieldOrderedTupleComparator(sortChannels, sortOrders));


            IdentityProjectionInfo mappings = computeIdentityMapping(node.getOutputSymbols(), source.getLayout(), context.getTypes());


            OperatorFactory operator = new TopNOperatorFactory(
                    context.getNextOperatorId(),

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Examples of com.facebook.presto.tuple.FieldOrderedTupleComparator

            for (Symbol symbol : orderBySymbols) {
                sortChannels.add(source.getLayout().get(symbol).getChannel());
                sortOrders.add(node.getOrderings().get(symbol));
            }


            Ordering<TupleReadable[]> ordering = Ordering.from(new FieldOrderedTupleComparator(sortChannels, sortOrders));


            IdentityProjectionInfo mappings = computeIdentityMapping(node.getOutputSymbols(), source.getLayout(), context.getTypes());


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

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Examples of com.facebook.presto.tuple.FieldOrderedTupleComparator

        TopNOperatorFactory factory = new TopNOperatorFactory(
                0,
                2,
                0,
                ImmutableList.of(singleColumn(FIXED_INT_64, 0, 0), singleColumn(DOUBLE, 1, 0)),
                Ordering.from(new FieldOrderedTupleComparator(ImmutableList.of(0), ImmutableList.of(SortItem.Ordering.DESCENDING))),
                false);


        Operator operator = factory.createOperator(driverContext);


        MaterializedResult expected = resultBuilder(FIXED_INT_64, DOUBLE)

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Examples of com.facebook.presto.tuple.FieldOrderedTupleComparator

        TopNOperatorFactory operatorFactory = new TopNOperatorFactory(
                0,
                3,
                0,
                ImmutableList.of(ProjectionFunctions.concat(singleColumn(VARIABLE_BINARY, 0, 0), singleColumn(FIXED_INT_64, 0, 1))),
                Ordering.from(new FieldOrderedTupleComparator(ImmutableList.of(0, 1), ImmutableList.of(SortItem.Ordering.DESCENDING, SortItem.Ordering.DESCENDING))),
                false);


        Operator operator = operatorFactory.createOperator(driverContext);


        MaterializedResult expected = resultBuilder(tupleInfo)

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Examples of com.facebook.presto.tuple.FieldOrderedTupleComparator

        TopNOperatorFactory operatorFactory = new TopNOperatorFactory(
                0,
                2,
                0,
                ImmutableList.of(singleColumn(FIXED_INT_64, 0, 0), singleColumn(DOUBLE, 1, 0)),
                Ordering.from(new FieldOrderedTupleComparator(ImmutableList.of(0), ImmutableList.of(SortItem.Ordering.ASCENDING))),
                false);


        Operator operator = operatorFactory.createOperator(driverContext);


        MaterializedResult expected = resultBuilder(FIXED_INT_64, DOUBLE)

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Examples of com.facebook.presto.tuple.FieldOrderedTupleComparator

        TopNOperatorFactory topNOperator = new TopNOperatorFactory(
                1,
                100,
                0,
                ImmutableList.of(singleColumn(Type.DOUBLE, 0, 0)),
                Ordering.from(new FieldOrderedTupleComparator(ImmutableList.of(0), ImmutableList.of(SortItem.Ordering.DESCENDING))),
                false);
        return ImmutableList.of(alignmentOperator, topNOperator);
    }

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Examples of com.facebook.presto.tuple.FieldOrderedTupleComparator

            for (Symbol symbol : orderBySymbols) {
                sortFields.add(getFirst(source.getLayout().get(symbol)).getField());
                sortOrders.add(node.getOrderings().get(symbol));
            }


            Ordering<TupleReadable> ordering = Ordering.from(new FieldOrderedTupleComparator(sortFields, sortOrders));


            IdentityProjectionInfo mappings = computeIdentityMapping(node.getOutputSymbols(), source.getLayout(), context.getTypes());


            OperatorFactory operator = new TopNOperatorFactory(
                    context.getNextOperatorId(),

View Full Code Here

Examples of com.facebook.presto.tuple.FieldOrderedTupleComparator


        TopNOperatorFactory factory = new TopNOperatorFactory(
                0,
                2,
                ImmutableList.of(singleColumn(FIXED_INT_64, 0), singleColumn(DOUBLE, 1)),
                Ordering.from(new FieldOrderedTupleComparator(ImmutableList.of(0), ImmutableList.of(SortOrder.DESC_NULLS_LAST))),
                false);


        Operator operator = factory.createOperator(driverContext);


        MaterializedResult expected = resultBuilder(FIXED_INT_64, DOUBLE)

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Examples of com.facebook.presto.tuple.FieldOrderedTupleComparator

                .row("d", 5)
                .row("d", 7)
                .row("e", 6)
                .build();


        FieldOrderedTupleComparator comparator = new FieldOrderedTupleComparator(ImmutableList.of(0, 1), ImmutableList.of(SortOrder.DESC_NULLS_LAST, SortOrder.DESC_NULLS_LAST));
        TopNOperatorFactory operatorFactory = new TopNOperatorFactory(
                0,
                3,
                ImmutableList.of(singleColumn(VARIABLE_BINARY, 0), singleColumn(FIXED_INT_64, 1)),
                Ordering.from(comparator),

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