Package com.facebook.presto.tuple

Examples of com.facebook.presto.tuple.FieldOrderedTupleComparator

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        TopNOperatorFactory factory = new TopNOperatorFactory(
                0,
                5,
                ImmutableList.of(singleColumn(FIXED_INT_64, 0), singleColumn(DOUBLE, 1), singleColumn(FIXED_INT_64, 2)),
                Ordering.from(new FieldOrderedTupleComparator(ImmutableList.of(0), ImmutableList.of(SortOrder.DESC_NULLS_LAST))),
                Optional.of(input.get(0).getChannelCount() - 1),
                false);

        Operator operator = factory.createOperator(driverContext);
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        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))),
                Optional.<Integer>absent(),
                false);

        Operator operator = factory.createOperator(driverContext);
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                .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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        TopNOperatorFactory operatorFactory = new TopNOperatorFactory(
                0,
                2,
                ImmutableList.of(singleColumn(FIXED_INT_64, 0), singleColumn(DOUBLE, 1)),
                Ordering.from(new FieldOrderedTupleComparator(ImmutableList.of(0), ImmutableList.of(SortOrder.ASC_NULLS_LAST))),
                Optional.<Integer>absent(),
                false);

        Operator operator = operatorFactory.createOperator(driverContext);
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Related Classes of com.facebook.presto.tuple.FieldOrderedTupleComparator

  • com.facebook.presto.benchmark.Top100Benchmark
  • com.facebook.presto.operator.SortOrder
  • com.facebook.presto.operator.TestTopNOperator
  • com.facebook.presto.sql.planner.LocalExecutionPlanner$Visitor
  • com.facebook.presto.tuple.TupleInfo.Type
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