Examples with Operator io.prestosql.operator.Operator used on opensource projects

Example 6 with Operator

use of io.prestosql.operator.Operator in project boostkit-bigdata by kunpengcompute.

the class OrderByOperatorTest method testProcess.

@Test(dataProvider = "pageProvider")
public void testProcess(int i) {
    Operator operator = getOperator();
    Page page = getPageForTest(i);
    if (page == null) {
        assertThrows("page is null", NullPointerException.class, () -> operator.addInput(page));
    } else {
        operator.addInput(page);
    }
    assertFalse(operator.isFinished());
    operator.finish();
    operator.getOutput();
// assertFalse(operator.needsInput());
}

Example 7 with Operator

use of io.prestosql.operator.Operator in project boostkit-bigdata by kunpengcompute.

the class FilterAndProjectOmniOperatorTest method testProcess.

@Test(dataProvider = "pageProvider")
public void testProcess(int i) {
    Operator operator = getOperator();
    Page page = getPageForTest(i);
    if (page == null) {
        assertThrows("page is null", NullPointerException.class, () -> operator.addInput(page));
    } else {
        operator.addInput(page);
    }
    assertFalse(operator.isFinished());
    operator.finish();
    operator.getOutput();
    assertTrue(operator.isFinished());
    assertFalse(operator.needsInput());
}

Example 8 with Operator

use of io.prestosql.operator.Operator in project boostkit-bigdata by kunpengcompute.

the class WindowOmniOperatorTest method testProcess.

@Test(dataProvider = "pageProvider")
public void testProcess(int i) {
    Operator operator = getOperator();
    Page page = getPageForTest(i);
    if (page == null) {
        assertThrows("page is null", NullPointerException.class, () -> operator.addInput(page));
    } else {
        operator.addInput(page);
    }
    assertFalse(operator.isFinished());
    operator.finish();
    do {
        operator.getOutput();
    } while (!operator.isFinished());
    assertNull(operator.getOutput());
    assertFalse(operator.needsInput());
}

Example 9 with Operator

use of io.prestosql.operator.Operator in project boostkit-bigdata by kunpengcompute.

the class AggregationOmniOperatorTest method testProcess.

@Test(dataProvider = "pageProvider")
public void testProcess(int i) {
    Operator operator = getOperator();
    Page page = getPageForTest(i);
    if (page == null) {
        assertThrows("page is null", NullPointerException.class, () -> operator.addInput(null));
    } else {
        operator.addInput(page);
    }
    assertFalse(operator.isFinished());
    operator.finish();
    operator.getOutput();
    if (page != null) {
        assertTrue(operator.isFinished());
    }
    assertNull(operator.getOutput());
}

Example 10 with Operator

use of io.prestosql.operator.Operator in project hetu-core by openlookeng.

the class TestSpatialJoinOperator method testYield.

@Test
public void testYield() {
    // create a filter function that yields for every probe match
    // verify we will yield #match times totally
    TaskContext taskContext = createTaskContext();
    DriverContext driverContext = taskContext.addPipelineContext(0, true, true, false).addDriverContext();
    // force a yield for every match
    AtomicInteger filterFunctionCalls = new AtomicInteger();
    InternalJoinFilterFunction filterFunction = new TestInternalJoinFilterFunction(((leftPosition, leftPage, rightPosition, rightPage) -> {
        filterFunctionCalls.incrementAndGet();
        driverContext.getYieldSignal().forceYieldForTesting();
        return true;
    }));
    RowPagesBuilder buildPages = rowPagesBuilder(ImmutableList.of(GEOMETRY, VARCHAR)).row(POLYGON_A, "A").pageBreak().row(POLYGON_B, "B");
    PagesSpatialIndexFactory pagesSpatialIndexFactory = buildIndex(driverContext, (build, probe, r) -> build.contains(probe), Optional.empty(), Optional.of(filterFunction), buildPages);
    // 10 points in polygon A (x0...x9)
    // 10 points in polygons A and B (y0...y9)
    // 10 points in polygon B (z0...z9)
    // 40 total matches
    RowPagesBuilder probePages = rowPagesBuilder(ImmutableList.of(GEOMETRY, VARCHAR));
    for (int i = 0; i < 10; i++) {
        probePages.row(stPoint(1 + 0.1 * i, 1 + 0.1 * i), "x" + i);
    }
    for (int i = 0; i < 10; i++) {
        probePages.row(stPoint(4.5 + 0.01 * i, 4.5 + 0.01 * i), "y" + i);
    }
    for (int i = 0; i < 10; i++) {
        probePages.row(stPoint(6 + 0.1 * i, 6 + 0.1 * i), "z" + i);
    }
    List<Page> probeInput = probePages.build();
    OperatorFactory joinOperatorFactory = new SpatialJoinOperatorFactory(2, new PlanNodeId("test"), INNER, probePages.getTypes(), Ints.asList(1), 0, Optional.empty(), pagesSpatialIndexFactory);
    Operator operator = joinOperatorFactory.createOperator(driverContext);
    assertTrue(operator.needsInput());
    operator.addInput(probeInput.get(0));
    operator.finish();
    // we will yield 40 times due to filterFunction
    for (int i = 0; i < 40; i++) {
        driverContext.getYieldSignal().setWithDelay(5 * SECONDS.toNanos(1), driverContext.getYieldExecutor());
        assertNull(operator.getOutput());
        assertEquals(filterFunctionCalls.get(), i + 1, "Expected join to stop processing (yield) after calling filter function once");
        driverContext.getYieldSignal().reset();
    }
    // delayed yield is not going to prevent operator from producing a page now (yield won't be forced because filter function won't be called anymore)
    driverContext.getYieldSignal().setWithDelay(5 * SECONDS.toNanos(1), driverContext.getYieldExecutor());
    Page output = operator.getOutput();
    assertNotNull(output);
    // make sure we have 40 matches
    assertEquals(output.getPositionCount(), 40);
}