Package com.facebook.presto.operator.WindowOperator

Examples of com.facebook.presto.operator.WindowOperator.WindowOperatorFactory

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                .pageBreak()
                .row(-1, -0.1)
                .row(5, 0.4)
                .build();

        WindowOperatorFactory operatorFactory = new WindowOperatorFactory(
                0,
                ImmutableList.of(BIGINT, DOUBLE),
                Ints.asList(1, 0),
                ROW_NUMBER,
                Ints.asList(),
                Ints.asList(0),
                ImmutableList.copyOf(new SortOrder[] {SortOrder.ASC_NULLS_LAST}),
                10);

        Operator operator = operatorFactory.createOperator(driverContext);

        MaterializedResult expected = resultBuilder(driverContext.getSession(), DOUBLE, BIGINT, BIGINT)
                .row(-0.1, -1, 1)
                .row(0.3, 2, 2)
                .row(0.2, 4, 3)
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                .pageBreak()
                .row("b", 5, 0.4, false)
                .row("a", 6, 0.1, true)
                .build();

        WindowOperatorFactory operatorFactory = new WindowOperatorFactory(
                0,
                ImmutableList.of(VARCHAR, BIGINT, DOUBLE, BOOLEAN),
                Ints.asList(0, 1, 2, 3),
                ROW_NUMBER,
                Ints.asList(0),
                Ints.asList(1),
                ImmutableList.copyOf(new SortOrder[] {SortOrder.ASC_NULLS_LAST}),
                10);

        Operator operator = operatorFactory.createOperator(driverContext);

        MaterializedResult expected = resultBuilder(driverContext.getSession(), VARCHAR, BIGINT, DOUBLE, BOOLEAN, BIGINT)
                .row("a", 2, 0.3, false, 1)
                .row("a", 4, 0.2, true, 2)
                .row("a", 6, 0.1, true, 3)
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                .row(4)
                .row(6)
                .row(8)
                .build();

        WindowOperatorFactory operatorFactory = new WindowOperatorFactory(
                0,
                ImmutableList.of(BIGINT),
                Ints.asList(0),
                ROW_NUMBER,
                Ints.asList(),
                Ints.asList(),
                ImmutableList.copyOf(new SortOrder[] {}),
                10);
        Operator operator = operatorFactory.createOperator(driverContext);

        MaterializedResult expected = resultBuilder(driverContext.getSession(), BIGINT, BIGINT)
                .row(1, 1)
                .row(3, 2)
                .row(5, 3)
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        DriverContext driverContext = new TaskContext(new TaskId("query", "stage", "task"), executor, TEST_SESSION, new DataSize(10, Unit.BYTE))
                .addPipelineContext(true, true)
                .addDriverContext();

        WindowOperatorFactory operatorFactory = new WindowOperatorFactory(
                0,
                ImmutableList.of(BIGINT, DOUBLE),
                Ints.asList(1),
                ROW_NUMBER,
                Ints.asList(),
                Ints.asList(0),
                ImmutableList.copyOf(new SortOrder[] {SortOrder.ASC_NULLS_LAST}),
                10);

        Operator operator = operatorFactory.createOperator(driverContext);

        toPages(operator, input);
    }
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                .row("b", "C1", 2, false, "")
                .row("a", "C2", 3, true, "")
                .row("c", "A3", 1, true, "")
                .build();

        WindowOperatorFactory operatorFactory = new WindowOperatorFactory(
                0,
                ImmutableList.of(VARCHAR, VARCHAR, BIGINT, BOOLEAN, VARCHAR),
                Ints.asList(0, 1, 2, 3),
                FIRST_VALUE,
                Ints.asList(0),
                Ints.asList(2),
                ImmutableList.copyOf(new SortOrder[] {SortOrder.ASC_NULLS_LAST}),
                100);

        Operator operator = operatorFactory.createOperator(driverContext);

        MaterializedResult expected = resultBuilder(driverContext.getSession(), VARCHAR, VARCHAR, BIGINT, BOOLEAN, VARCHAR)
                .row("a", "A2", 1, false, "A2")
                .row("a", "B1", 2, true, "A2")
                .row("a", "C2", 3, true, "A2")
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                .row("b", "C1", 2, false, "")
                .row("a", "C2", 3, true, "")
                .row("c", "A3", 1, true, "")
                .build();

        WindowOperatorFactory operatorFactory = new WindowOperatorFactory(
                0,
                ImmutableList.of(VARCHAR, VARCHAR, BIGINT, BOOLEAN, VARCHAR),
                Ints.asList(0, 1, 2, 3),
                LAST_VALUE,
                Ints.asList(0),
                Ints.asList(2),
                ImmutableList.copyOf(new SortOrder[] {SortOrder.ASC_NULLS_LAST}),
                100);

        Operator operator = operatorFactory.createOperator(driverContext);

        MaterializedResult expected = resultBuilder(driverContext.getSession(), VARCHAR, VARCHAR, BIGINT, BOOLEAN, VARCHAR)
                .row("a", "A2", 1, false, "C2")
                .row("a", "B1", 2, true, "C2")
                .row("a", "C2", 3, true, "C2")
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                .row("b", "C1", 2, 3, false, "")
                .row("a", "C2", 3, 1, true, "")
                .row("c", "A3", 1, null, true, "")
                .build();

        WindowOperatorFactory operatorFactory = new WindowOperatorFactory(
                0,
                ImmutableList.of(VARCHAR, VARCHAR, BIGINT, BIGINT, BOOLEAN, VARCHAR),
                Ints.asList(0, 1, 2, 4),
                NTH_VALUE,
                Ints.asList(0),
                Ints.asList(2),
                ImmutableList.copyOf(new SortOrder[] {SortOrder.ASC_NULLS_LAST}),
                100);

        Operator operator = operatorFactory.createOperator(driverContext);

        MaterializedResult expected = resultBuilder(driverContext.getSession(), VARCHAR, VARCHAR, BIGINT, BOOLEAN, VARCHAR)
                .row("a", "A2", 1, false, "C2")
                .row("a", "B1", 2, true, "B1")
                .row("a", "C2", 3, true, "A2")
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                .row("b", "C1", 2, 1, "D", false, "")
                .row("a", "C2", 3, 2, "D", true, "")
                .row("c", "A3", 1, 1, "D", true, "")
                .build();

        WindowOperatorFactory operatorFactory = new WindowOperatorFactory(
                0,
                ImmutableList.of(VARCHAR, VARCHAR, BIGINT, BIGINT, VARCHAR, BOOLEAN, VARCHAR),
                Ints.asList(0, 1, 2, 5),
                LAG,
                Ints.asList(0),
                Ints.asList(2),
                ImmutableList.copyOf(new SortOrder[] {SortOrder.ASC_NULLS_LAST}),
                100);

        Operator operator = operatorFactory.createOperator(driverContext);

        MaterializedResult expected = resultBuilder(driverContext.getSession(), VARCHAR, VARCHAR, BIGINT, BOOLEAN, VARCHAR)
                .row("a", "A2", 1, false, "D")
                .row("a", "B1", 2, true, "D")
                .row("a", "C2", 3, true, "A2")
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                .row("b", "C1", 2, 1, "D", false, "")
                .row("a", "C2", 3, 2, "D", true, "")
                .row("c", "A3", 1, 1, "D", true, "")
                .build();

        WindowOperatorFactory operatorFactory = new WindowOperatorFactory(
                0,
                ImmutableList.of(VARCHAR, VARCHAR, BIGINT, BIGINT, VARCHAR, BOOLEAN, VARCHAR),
                Ints.asList(0, 1, 2, 5),
                LEAD,
                Ints.asList(0),
                Ints.asList(2),
                ImmutableList.copyOf(new SortOrder[] {SortOrder.ASC_NULLS_LAST}),
                100);

        Operator operator = operatorFactory.createOperator(driverContext);

        MaterializedResult expected = resultBuilder(driverContext.getSession(), VARCHAR, VARCHAR, BIGINT, BOOLEAN, VARCHAR)
                .row("a", "A2", 1, false, "C2")
                .row("a", "B1", 2, true, "D")
                .row("a", "C2", 3, true, "D")
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            for (Symbol symbol : windowFunctionOutputSymbols) {
                outputMappings.put(symbol, new Input(channel));
                channel++;
            }

            OperatorFactory operatorFactory = new WindowOperatorFactory(
                    context.getNextOperatorId(),
                    source.getTypes(),
                    outputChannels.build(),
                    windowFunctions.build(),
                    partitionChannels.build(),
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Related Classes of com.facebook.presto.operator.WindowOperator.WindowOperatorFactory

  • com.facebook.presto.operator.TestWindowOperator
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