Examples with OrderByOperatorFactory io.prestosql.operator.OrderByOperator.OrderByOperatorFactory used on opensource projects

Example 1 with OrderByOperatorFactory

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

the class TestOrderByOperator method testCaptureRestoreWithSpillToHdfsEnabled.

/**
 * This test is supposed to consume 4 pages and produce the output page with sorted ordering.
 * The spilling and capturing('capture1') happened after the first 2 pages added into the operator.
 * The operator is rescheduled after 4 pages added (but before finish() is called).
 *
 * @throws Exception
 */
@Test
public void testCaptureRestoreWithSpillToHdfsEnabled() throws Exception {
    // Initialization
    Path spillPath = Paths.get("/tmp/hetu/snapshot/");
    HetuHdfsFileSystemClient fs = getLocalHdfs();
    when(fileSystemClientManager.getFileSystemClient(any(String.class), any(Path.class))).thenReturn(fs);
    GenericSpillerFactory genericSpillerFactory = createGenericSpillerFactory(spillPath, fileSystemClientManager, true, "hdfs");
    SnapshotConfig snapshotConfig = new SnapshotConfig();
    snapshotConfig.setSpillProfile("hdfs");
    snapshotConfig.setSpillToHdfs(true);
    snapshotUtils = new SnapshotUtils(fileSystemClientManager, snapshotConfig, new InMemoryNodeManager());
    snapshotUtils.initialize();
    List<Page> input1 = rowPagesBuilder(VARCHAR, BIGINT).row("a", 1L).row("b", 2L).pageBreak().row("b", 3L).row("a", 4L).build();
    List<Page> input2 = rowPagesBuilder(VARCHAR, BIGINT).row("c", 4L).row("d", 6L).pageBreak().row("c", 2L).row("d", 3L).build();
    OrderByOperatorFactory operatorFactory = new OrderByOperatorFactory(0, new PlanNodeId("test"), ImmutableList.of(VARCHAR, BIGINT), ImmutableList.of(0, 1), 10, ImmutableList.of(0, 1), ImmutableList.of(ASC_NULLS_LAST, DESC_NULLS_LAST), new PagesIndex.TestingFactory(false), true, Optional.of(genericSpillerFactory), new OrderingCompiler(), false);
    DriverContext driverContext = createDriverContext(defaultMemoryLimit, TEST_SNAPSHOT_SESSION);
    driverContext.getPipelineContext().getTaskContext().getSnapshotManager().setTotalComponents(1);
    OrderByOperator orderByOperator = (OrderByOperator) operatorFactory.createOperator(driverContext);
    // Step1: add the first 2 pages
    for (Page page : input1) {
        orderByOperator.addInput(page);
    }
    // Step2: spilling happened here
    getFutureValue(orderByOperator.startMemoryRevoke());
    orderByOperator.finishMemoryRevoke();
    // Step3: add a marker page to make 'capture1' happened
    MarkerPage marker = MarkerPage.snapshotPage(1);
    orderByOperator.addInput(marker);
    // Step4: add another 2 pages
    for (Page page : input2) {
        orderByOperator.addInput(page);
    }
    // Step5: assume the task is rescheduled due to failure and everything is re-constructed
    driverContext = createDriverContext(defaultMemoryLimit, TEST_SNAPSHOT_SESSION);
    operatorFactory = new OrderByOperatorFactory(0, new PlanNodeId("test"), ImmutableList.of(VARCHAR, BIGINT), ImmutableList.of(0, 1), 10, ImmutableList.of(0, 1), ImmutableList.of(ASC_NULLS_LAST, DESC_NULLS_LAST), new PagesIndex.TestingFactory(false), true, Optional.of(genericSpillerFactory), new OrderingCompiler(), false);
    orderByOperator = (OrderByOperator) operatorFactory.createOperator(driverContext);
    // Step6: restore to 'capture1', the spiller should contains the reference of the first 2 pages for now.
    MarkerPage resumeMarker = MarkerPage.resumePage(1);
    orderByOperator.addInput(resumeMarker);
    // Step7: continue to add another 2 pages
    for (Page page : input2) {
        orderByOperator.addInput(page);
    }
    orderByOperator.finish();
    // Compare the results
    MaterializedResult expected = resultBuilder(driverContext.getSession(), VARCHAR, BIGINT).row("a", 4L).row("a", 1L).row("b", 3L).row("b", 2L).row("c", 4L).row("c", 2L).row("d", 6L).row("d", 3L).build();
    ImmutableList.Builder<Page> outputPages = ImmutableList.builder();
    Page p = orderByOperator.getOutput();
    while (p instanceof MarkerPage) {
        p = orderByOperator.getOutput();
    }
    outputPages.add(p);
    MaterializedResult actual = toMaterializedResult(driverContext.getSession(), expected.getTypes(), outputPages.build());
    Assert.assertEquals(actual, expected);
}

Example 2 with OrderByOperatorFactory

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

the class TestOrderByOperator method testMemoryLimit.

@Test(expectedExceptions = ExceededMemoryLimitException.class, expectedExceptionsMessageRegExp = "Query exceeded per-node user memory limit of 10B.*")
public void testMemoryLimit() {
    List<Page> input = rowPagesBuilder(BIGINT, DOUBLE).row(1L, 0.1).row(2L, 0.2).pageBreak().row(-1L, -0.1).row(4L, 0.4).build();
    DriverContext driverContext = createTaskContext(executor, scheduledExecutor, TEST_SESSION, new DataSize(10, Unit.BYTE)).addPipelineContext(0, true, true, false).addDriverContext();
    OrderByOperatorFactory operatorFactory = new OrderByOperatorFactory(0, new PlanNodeId("test"), ImmutableList.of(BIGINT, DOUBLE), ImmutableList.of(1), 10, ImmutableList.of(0), ImmutableList.of(ASC_NULLS_LAST), new PagesIndex.TestingFactory(false), false, Optional.of(spillerFactory), new OrderingCompiler(), false);
    toPages(operatorFactory, driverContext, input);
}

Example 3 with OrderByOperatorFactory

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

the class TestOrderByOperator method testMultipleOutputPages.

@Test(dataProvider = "spillEnabled")
public void testMultipleOutputPages(boolean spillEnabled, boolean revokeMemoryWhenAddingPages, long memoryLimit) {
    // make operator produce multiple pages during finish phase
    int numberOfRows = 80_000;
    List<Page> input = rowPagesBuilder(BIGINT, DOUBLE).addSequencePage(numberOfRows, 0, 0).build();
    OrderByOperatorFactory operatorFactory = new OrderByOperatorFactory(0, new PlanNodeId("test"), ImmutableList.of(BIGINT, DOUBLE), ImmutableList.of(1), 10, ImmutableList.of(0), ImmutableList.of(DESC_NULLS_LAST), new PagesIndex.TestingFactory(false), spillEnabled, Optional.of(spillerFactory), new OrderingCompiler(), false);
    DriverContext driverContext = createDriverContext(memoryLimit, TEST_SESSION);
    MaterializedResult.Builder expectedBuilder = resultBuilder(driverContext.getSession(), DOUBLE);
    for (int i = 0; i < numberOfRows; ++i) {
        expectedBuilder.row((double) numberOfRows - i - 1);
    }
    MaterializedResult expected = expectedBuilder.build();
    List<Page> pages = toPages(operatorFactory, driverContext, input, revokeMemoryWhenAddingPages);
    assertGreaterThan(pages.size(), 1, "Expected more than one output page");
    MaterializedResult actual = toMaterializedResult(driverContext.getSession(), expected.getTypes(), pages);
    assertEquals(actual.getMaterializedRows(), expected.getMaterializedRows());
    assertTrue(spillEnabled == (spillerFactory.getSpillsCount() > 0), format("Spill state mismatch. Expected spill: %s, spill count: %s", spillEnabled, spillerFactory.getSpillsCount()));
}

Example 4 with OrderByOperatorFactory

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

the class TestOrderByOperator method testCaptureRestoreWithSpill.

/**
 * This test is supposed to consume 4 pages and produce the output page with sorted ordering.
 * The spilling and capturing('capture1') happened after the first 2 pages added into the operator.
 * The operator is rescheduled after 4 pages added (but before finish() is called).
 *
 * @throws Exception
 */
@Test
public void testCaptureRestoreWithSpill() throws Exception {
    // Initialization
    Path spillPath = Paths.get("/tmp/hetu/snapshot/");
    GenericSpillerFactory genericSpillerFactory = createGenericSpillerFactory(spillPath, fileSystemClientManager, false, null);
    SnapshotConfig snapshotConfig = new SnapshotConfig();
    snapshotUtils = new SnapshotUtils(fileSystemClientManager, snapshotConfig, new InMemoryNodeManager());
    snapshotUtils.initialize();
    List<Page> input1 = rowPagesBuilder(VARCHAR, BIGINT).row("a", 1L).row("b", 2L).pageBreak().row("b", 3L).row("a", 4L).build();
    List<Page> input2 = rowPagesBuilder(VARCHAR, BIGINT).row("c", 4L).row("d", 6L).pageBreak().row("c", 2L).row("d", 3L).build();
    OrderByOperatorFactory operatorFactory = new OrderByOperatorFactory(0, new PlanNodeId("test"), ImmutableList.of(VARCHAR, BIGINT), ImmutableList.of(0, 1), 10, ImmutableList.of(0, 1), ImmutableList.of(ASC_NULLS_LAST, DESC_NULLS_LAST), new PagesIndex.TestingFactory(false), true, Optional.of(genericSpillerFactory), new OrderingCompiler(), false);
    DriverContext driverContext = createDriverContext(defaultMemoryLimit, TEST_SNAPSHOT_SESSION);
    driverContext.getPipelineContext().getTaskContext().getSnapshotManager().setTotalComponents(1);
    OrderByOperator orderByOperator = (OrderByOperator) operatorFactory.createOperator(driverContext);
    // Step1: add the first 2 pages
    for (Page page : input1) {
        orderByOperator.addInput(page);
    }
    // Step2: spilling happened here
    getFutureValue(orderByOperator.startMemoryRevoke());
    orderByOperator.finishMemoryRevoke();
    // Step3: add a marker page to make 'capture1' happened
    MarkerPage marker = MarkerPage.snapshotPage(1);
    orderByOperator.addInput(marker);
    // Step4: add another 2 pages
    for (Page page : input2) {
        orderByOperator.addInput(page);
    }
    // Step5: assume the task is rescheduled due to failure and everything is re-constructed
    driverContext = createDriverContext(defaultMemoryLimit, TEST_SNAPSHOT_SESSION);
    operatorFactory = new OrderByOperatorFactory(0, new PlanNodeId("test"), ImmutableList.of(VARCHAR, BIGINT), ImmutableList.of(0, 1), 10, ImmutableList.of(0, 1), ImmutableList.of(ASC_NULLS_LAST, DESC_NULLS_LAST), new PagesIndex.TestingFactory(false), true, Optional.of(genericSpillerFactory), new OrderingCompiler(), false);
    orderByOperator = (OrderByOperator) operatorFactory.createOperator(driverContext);
    // Step6: restore to 'capture1', the spiller should contains the reference of the first 2 pages for now.
    MarkerPage resumeMarker = MarkerPage.resumePage(1);
    orderByOperator.addInput(resumeMarker);
    // Step7: continue to add another 2 pages
    for (Page page : input2) {
        orderByOperator.addInput(page);
    }
    orderByOperator.finish();
    // Compare the results
    MaterializedResult expected = resultBuilder(driverContext.getSession(), VARCHAR, BIGINT).row("a", 4L).row("a", 1L).row("b", 3L).row("b", 2L).row("c", 4L).row("c", 2L).row("d", 6L).row("d", 3L).build();
    ImmutableList.Builder<Page> outputPages = ImmutableList.builder();
    Page p = orderByOperator.getOutput();
    while (p instanceof MarkerPage) {
        p = orderByOperator.getOutput();
    }
    outputPages.add(p);
    MaterializedResult actual = toMaterializedResult(driverContext.getSession(), expected.getTypes(), outputPages.build());
    Assert.assertEquals(actual, expected);
}

Example 5 with OrderByOperatorFactory

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

the class TestOrderByOperator method testMultiFieldKeySnapshot.

@Test
public void testMultiFieldKeySnapshot() {
    List<Page> input = rowPagesBuilder(VARCHAR, BIGINT).row("a", 1L).row("b", 2L).pageBreak().row("b", 3L).row("a", 4L).build();
    OrderByOperatorFactory operatorFactory = new OrderByOperatorFactory(0, new PlanNodeId("test"), ImmutableList.of(VARCHAR, BIGINT), ImmutableList.of(0, 1), 10, ImmutableList.of(0, 1), ImmutableList.of(ASC_NULLS_LAST, DESC_NULLS_LAST), new PagesIndex.TestingFactory(false), false, Optional.of(spillerFactory), new OrderingCompiler(), false);
    DriverContext driverContext = createDriverContext(0, TEST_SESSION);
    MaterializedResult expected = resultBuilder(driverContext.getSession(), VARCHAR, BIGINT).row("a", 4L).row("a", 1L).row("b", 3L).row("b", 2L).build();
    assertOperatorEqualsWithSimpleSelfStateComparison(operatorFactory, driverContext, input, expected, false, createExpectedMapping());
}