Package com.facebook.presto.operator.TopNOperator

Examples of com.facebook.presto.operator.TopNOperator.TopNOperatorFactory.createOperator()

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                ImmutableList.of(singleColumn(VARIABLE_BINARY, 0), singleColumn(FIXED_INT_64, 1)),
                Ordering.from(comparator),
                Optional.<Integer>absent(),
                false);

        Operator operator = operatorFactory.createOperator(driverContext);

        MaterializedResult expected = MaterializedResult.resultBuilder(VARIABLE_BINARY, FIXED_INT_64)
                .row("f", 3)
                .row("e", 6)
                .row("d", 7)
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                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);

        MaterializedResult expected = resultBuilder(FIXED_INT_64, DOUBLE)
                .row(-1, -0.1)
                .row(1, 0.1)
                .build();
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