Package com.facebook.presto.operator.HashAggregationOperator

Examples of com.facebook.presto.operator.HashAggregationOperator.HashAggregationOperatorFactory.createOperator()

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                Ints.asList(0),
                Step.SINGLE,
                ImmutableList.of(aggregation(COUNT, ImmutableList.of(new Input(0)), Optional.<Input>absent(), Optional.<Input>absent(), 1.0)),
                100_000);

        Operator operator = operatorFactory.createOperator(driverContext);

        toPages(operator, input);
    }

    @Test
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                Step.SINGLE,
                ImmutableList.of(aggregation(COUNT, ImmutableList.of(new Input(0)), Optional.<Input>absent(), Optional.<Input>absent(), 1.0),
                        aggregation(LONG_AVERAGE, ImmutableList.of(new Input(1)), Optional.<Input>absent(), Optional.<Input>absent(), 1.0)),
                100_000);

        Operator operator = operatorFactory.createOperator(driverContext);

        assertEquals(toPages(operator, input).size(), 2);
    }
}
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                        aggregation(VAR_BINARY_MAX, ImmutableList.of(new Input(2)), Optional.<Input>absent(), Optional.<Input>absent(), 1.0),
                        aggregation(COUNT_STRING_COLUMN, ImmutableList.of(new Input(0)), Optional.<Input>absent(), Optional.<Input>absent(), 1.0),
                        aggregation(COUNT_BOOLEAN_COLUMN, ImmutableList.of(new Input(4)), Optional.<Input>absent(), Optional.<Input>absent(), 1.0)),
                100_000);

        Operator operator = operatorFactory.createOperator(driverContext);

        MaterializedResult expected = resultBuilder(driverContext.getSession(), VARCHAR, BIGINT, BIGINT, DOUBLE, VARCHAR, BIGINT, BIGINT)
                .row("0", 3, 0, 0.0, "300", 3, 3)
                .row("1", 3, 3, 1.0, "301", 3, 3)
                .row("2", 3, 6, 2.0, "302", 3, 3)
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                        aggregation(LONG_SUM, ImmutableList.of(new Input(3)), Optional.<Input>absent(), Optional.<Input>absent(), 1.0),
                        aggregation(LONG_AVERAGE, ImmutableList.of(new Input(3)), Optional.<Input>absent(), Optional.<Input>absent(), 1.0),
                        aggregation(VAR_BINARY_MAX, ImmutableList.of(new Input(2)), Optional.<Input>absent(), Optional.<Input>absent(), 1.0)),
                100_000);

        Operator operator = operatorFactory.createOperator(driverContext);

        toPages(operator, input);
    }

    @Test
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                Ints.asList(0),
                Step.SINGLE,
                ImmutableList.of(aggregation(COUNT, ImmutableList.of(new Input(0)), Optional.<Input>absent(), Optional.<Input>absent(), 1.0)),
                100_000);

        Operator operator = operatorFactory.createOperator(driverContext);

        toPages(operator, input);
    }

    @Test(expectedExceptions = PrestoException.class, expectedExceptionsMessageRegExp = "Task exceeded max memory size of 3MB")
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                Ints.asList(0),
                Step.SINGLE,
                ImmutableList.of(aggregation(COUNT, ImmutableList.of(new Input(0)), Optional.<Input>absent(), Optional.<Input>absent(), 1.0)),
                100_000);

        Operator operator = operatorFactory.createOperator(driverContext);

        toPages(operator, input);
    }

    @Test
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                Step.SINGLE,
                ImmutableList.of(aggregation(COUNT, ImmutableList.of(new Input(0)), Optional.<Input>absent(), Optional.<Input>absent(), 1.0),
                        aggregation(LONG_AVERAGE, ImmutableList.of(new Input(1)), Optional.<Input>absent(), Optional.<Input>absent(), 1.0)),
                100_000);

        Operator operator = operatorFactory.createOperator(driverContext);

        assertEquals(toPages(operator, input).size(), 2);
    }
}
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                        aggregation(LONG_SUM, new Input(4, 1)),
                        aggregation(DOUBLE_SUM, new Input(4, 2)),
                        aggregation(VAR_BINARY_MAX, new Input(4, 3))),
                100_000);

        Operator operator = operatorFactory.createOperator(driverContext);

        MaterializedResult expected = resultBuilder(VARIABLE_BINARY, FIXED_INT_64, FIXED_INT_64, DOUBLE, VARIABLE_BINARY, FIXED_INT_64, FIXED_INT_64, DOUBLE, VARIABLE_BINARY)
                .row("0", 3, 0, 0.0, "300", 3, 500 * 3, 500.0 * 3, "500")
                .row("1", 3, 3, 1.0, "301", 3, 501 * 3, 501.0 * 3, "501")
                .row("2", 3, 6, 2.0, "302", 3, 502 * 3, 502.0 * 3, "502")
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                        aggregation(LONG_SUM, new Input(3, 0)),
                        aggregation(LONG_AVERAGE, new Input(3, 0)),
                        aggregation(VAR_BINARY_MAX, new Input(2, 0))),
                100_000);

        Operator operator = operatorFactory.createOperator(driverContext);

        toPages(operator, input);
    }

    @Test
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                Step.SINGLE,
                ImmutableList.of(aggregation(COUNT, new Input(0, 0)),
                        aggregation(LONG_AVERAGE, new Input(1, 0))),
                100_000);

        Operator operator = operatorFactory.createOperator(driverContext);

        assertEquals(toPages(operator, input).size(), 2);
    }
}
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