Examples with Split com.facebook.presto.metadata.Split used on opensource projects

Example 1 with Split

use of com.facebook.presto.metadata.Split in project presto by prestodb.

the class LocalQueryRunner method createDrivers.

public List<Driver> createDrivers(Session session, @Language("SQL") String sql, OutputFactory outputFactory, TaskContext taskContext) {
    Plan plan = createPlan(session, sql);
    if (printPlan) {
        System.out.println(PlanPrinter.textLogicalPlan(plan.getRoot(), plan.getTypes(), metadata, session));
    }
    SubPlan subplan = PlanFragmenter.createSubPlans(session, metadata, plan);
    if (!subplan.getChildren().isEmpty()) {
        throw new AssertionError("Expected subplan to have no children");
    }
    LocalExecutionPlanner executionPlanner = new LocalExecutionPlanner(metadata, sqlParser, Optional.empty(), pageSourceManager, indexManager, nodePartitioningManager, pageSinkManager, null, expressionCompiler, joinFilterFunctionCompiler, new IndexJoinLookupStats(), // make sure tests fail if compiler breaks
    new CompilerConfig().setInterpreterEnabled(false), new TaskManagerConfig().setTaskConcurrency(4), spillerFactory, blockEncodingSerde, new PagesIndex.TestingFactory(), new JoinCompiler(), new LookupJoinOperators(new JoinProbeCompiler()));
    // plan query
    LocalExecutionPlan localExecutionPlan = executionPlanner.plan(session, subplan.getFragment().getRoot(), subplan.getFragment().getPartitioningScheme().getOutputLayout(), plan.getTypes(), outputFactory);
    // generate sources
    List<TaskSource> sources = new ArrayList<>();
    long sequenceId = 0;
    for (TableScanNode tableScan : findTableScanNodes(subplan.getFragment().getRoot())) {
        TableLayoutHandle layout = tableScan.getLayout().get();
        SplitSource splitSource = splitManager.getSplits(session, layout);
        ImmutableSet.Builder<ScheduledSplit> scheduledSplits = ImmutableSet.builder();
        while (!splitSource.isFinished()) {
            for (Split split : getFutureValue(splitSource.getNextBatch(1000))) {
                scheduledSplits.add(new ScheduledSplit(sequenceId++, tableScan.getId(), split));
            }
        }
        sources.add(new TaskSource(tableScan.getId(), scheduledSplits.build(), true));
    }
    // create drivers
    List<Driver> drivers = new ArrayList<>();
    Map<PlanNodeId, DriverFactory> driverFactoriesBySource = new HashMap<>();
    for (DriverFactory driverFactory : localExecutionPlan.getDriverFactories()) {
        for (int i = 0; i < driverFactory.getDriverInstances().orElse(1); i++) {
            if (driverFactory.getSourceId().isPresent()) {
                checkState(driverFactoriesBySource.put(driverFactory.getSourceId().get(), driverFactory) == null);
            } else {
                DriverContext driverContext = taskContext.addPipelineContext(driverFactory.getPipelineId(), driverFactory.isInputDriver(), driverFactory.isOutputDriver()).addDriverContext();
                Driver driver = driverFactory.createDriver(driverContext);
                drivers.add(driver);
            }
        }
    }
    // add sources to the drivers
    for (TaskSource source : sources) {
        DriverFactory driverFactory = driverFactoriesBySource.get(source.getPlanNodeId());
        checkState(driverFactory != null);
        for (ScheduledSplit split : source.getSplits()) {
            DriverContext driverContext = taskContext.addPipelineContext(driverFactory.getPipelineId(), driverFactory.isInputDriver(), driverFactory.isOutputDriver()).addDriverContext();
            Driver driver = driverFactory.createDriver(driverContext);
            driver.updateSource(new TaskSource(split.getPlanNodeId(), ImmutableSet.of(split), true));
            drivers.add(driver);
        }
    }
    for (DriverFactory driverFactory : localExecutionPlan.getDriverFactories()) {
        driverFactory.close();
    }
    return ImmutableList.copyOf(drivers);
}

Example 2 with Split

use of com.facebook.presto.metadata.Split in project presto by prestodb.

the class LocalQueryRunner method createTableScanOperator.

public OperatorFactory createTableScanOperator(Session session, int operatorId, PlanNodeId planNodeId, String tableName, String... columnNames) {
    checkArgument(session.getCatalog().isPresent(), "catalog not set");
    checkArgument(session.getSchema().isPresent(), "schema not set");
    // look up the table
    QualifiedObjectName qualifiedTableName = new QualifiedObjectName(session.getCatalog().get(), session.getSchema().get(), tableName);
    TableHandle tableHandle = metadata.getTableHandle(session, qualifiedTableName).orElse(null);
    checkArgument(tableHandle != null, "Table %s does not exist", qualifiedTableName);
    // lookup the columns
    Map<String, ColumnHandle> allColumnHandles = metadata.getColumnHandles(session, tableHandle);
    ImmutableList.Builder<ColumnHandle> columnHandlesBuilder = ImmutableList.builder();
    ImmutableList.Builder<Type> columnTypesBuilder = ImmutableList.builder();
    for (String columnName : columnNames) {
        ColumnHandle columnHandle = allColumnHandles.get(columnName);
        checkArgument(columnHandle != null, "Table %s does not have a column %s", tableName, columnName);
        columnHandlesBuilder.add(columnHandle);
        ColumnMetadata columnMetadata = metadata.getColumnMetadata(session, tableHandle, columnHandle);
        columnTypesBuilder.add(columnMetadata.getType());
    }
    List<ColumnHandle> columnHandles = columnHandlesBuilder.build();
    List<Type> columnTypes = columnTypesBuilder.build();
    // get the split for this table
    List<TableLayoutResult> layouts = metadata.getLayouts(session, tableHandle, Constraint.alwaysTrue(), Optional.empty());
    Split split = getLocalQuerySplit(session, layouts.get(0).getLayout().getHandle());
    return new OperatorFactory() {

        @Override
        public List<Type> getTypes() {
            return columnTypes;
        }

        @Override
        public Operator createOperator(DriverContext driverContext) {
            OperatorContext operatorContext = driverContext.addOperatorContext(operatorId, planNodeId, "BenchmarkSource");
            ConnectorPageSource pageSource = pageSourceManager.createPageSource(session, split, columnHandles);
            return new PageSourceOperator(pageSource, columnTypes, operatorContext);
        }

        @Override
        public void close() {
        }

        @Override
        public OperatorFactory duplicate() {
            throw new UnsupportedOperationException();
        }
    };
}

Example 3 with Split

use of com.facebook.presto.metadata.Split in project presto by prestodb.

the class MockRemoteTaskFactory method createTableScanTask.

public MockRemoteTask createTableScanTask(TaskId taskId, Node newNode, List<Split> splits, PartitionedSplitCountTracker partitionedSplitCountTracker) {
    Symbol symbol = new Symbol("column");
    PlanNodeId sourceId = new PlanNodeId("sourceId");
    PlanFragment testFragment = new PlanFragment(new PlanFragmentId("test"), new TableScanNode(sourceId, new TableHandle(new ConnectorId("test"), new TestingTableHandle()), ImmutableList.of(symbol), ImmutableMap.of(symbol, new TestingColumnHandle("column")), Optional.empty(), TupleDomain.all(), null), ImmutableMap.of(symbol, VARCHAR), SOURCE_DISTRIBUTION, ImmutableList.of(sourceId), new PartitioningScheme(Partitioning.create(SINGLE_DISTRIBUTION, ImmutableList.of()), ImmutableList.of(symbol)));
    ImmutableMultimap.Builder<PlanNodeId, Split> initialSplits = ImmutableMultimap.builder();
    for (Split sourceSplit : splits) {
        initialSplits.put(sourceId, sourceSplit);
    }
    return createRemoteTask(TEST_SESSION, taskId, newNode, testFragment, initialSplits.build(), createInitialEmptyOutputBuffers(BROADCAST), partitionedSplitCountTracker, true);
}

Example 4 with Split

use of com.facebook.presto.metadata.Split in project presto by prestodb.

the class TestDriver method testBrokenOperatorAddSource.

@Test
public void testBrokenOperatorAddSource() throws Exception {
    PlanNodeId sourceId = new PlanNodeId("source");
    final List<Type> types = ImmutableList.of(VARCHAR, BIGINT, BIGINT);
    // create a table scan operator that does not block, which will cause the driver loop to busy wait
    TableScanOperator source = new NotBlockedTableScanOperator(driverContext.addOperatorContext(99, new PlanNodeId("test"), "values"), sourceId, new PageSourceProvider() {

        @Override
        public ConnectorPageSource createPageSource(Session session, Split split, List<ColumnHandle> columns) {
            return new FixedPageSource(rowPagesBuilder(types).addSequencePage(10, 20, 30, 40).build());
        }
    }, types, ImmutableList.of());
    BrokenOperator brokenOperator = new BrokenOperator(driverContext.addOperatorContext(0, new PlanNodeId("test"), "source"));
    final Driver driver = new Driver(driverContext, source, brokenOperator);
    // block thread in operator processing
    Future<Boolean> driverProcessFor = executor.submit(new Callable<Boolean>() {

        @Override
        public Boolean call() throws Exception {
            return driver.processFor(new Duration(1, TimeUnit.MILLISECONDS)).isDone();
        }
    });
    brokenOperator.waitForLocked();
    assertSame(driver.getDriverContext(), driverContext);
    assertFalse(driver.isFinished());
    // processFor always returns NOT_BLOCKED, because DriveLockResult was not acquired
    assertTrue(driver.processFor(new Duration(1, TimeUnit.MILLISECONDS)).isDone());
    assertFalse(driver.isFinished());
    driver.updateSource(new TaskSource(sourceId, ImmutableSet.of(new ScheduledSplit(0, sourceId, newMockSplit())), true));
    assertFalse(driver.isFinished());
    // processFor always returns NOT_BLOCKED, because DriveLockResult was not acquired
    assertTrue(driver.processFor(new Duration(1, TimeUnit.SECONDS)).isDone());
    assertFalse(driver.isFinished());
    driver.close();
    assertTrue(driver.isFinished());
    try {
        driverProcessFor.get(1, TimeUnit.SECONDS);
        fail("Expected InterruptedException");
    } catch (ExecutionException e) {
        checkArgument(getRootCause(e) instanceof InterruptedException, "Expected root cause exception to be an instance of InterruptedException");
    }
}

Example 5 with Split

use of com.facebook.presto.metadata.Split in project presto by prestodb.

the class TestDriver method testAddSourceFinish.

@Test
public void testAddSourceFinish() {
    PlanNodeId sourceId = new PlanNodeId("source");
    final List<Type> types = ImmutableList.of(VARCHAR, BIGINT, BIGINT);
    TableScanOperator source = new TableScanOperator(driverContext.addOperatorContext(99, new PlanNodeId("test"), "values"), sourceId, new PageSourceProvider() {

        @Override
        public ConnectorPageSource createPageSource(Session session, Split split, List<ColumnHandle> columns) {
            return new FixedPageSource(rowPagesBuilder(types).addSequencePage(10, 20, 30, 40).build());
        }
    }, types, ImmutableList.of());
    PageConsumerOperator sink = createSinkOperator(source);
    Driver driver = new Driver(driverContext, source, sink);
    assertSame(driver.getDriverContext(), driverContext);
    assertFalse(driver.isFinished());
    assertFalse(driver.processFor(new Duration(1, TimeUnit.MILLISECONDS)).isDone());
    assertFalse(driver.isFinished());
    driver.updateSource(new TaskSource(sourceId, ImmutableSet.of(new ScheduledSplit(0, sourceId, newMockSplit())), true));
    assertFalse(driver.isFinished());
    assertTrue(driver.processFor(new Duration(1, TimeUnit.SECONDS)).isDone());
    assertTrue(driver.isFinished());
    assertTrue(sink.isFinished());
    assertTrue(source.isFinished());
}