Examples with PageProcessor com.facebook.presto.operator.project.PageProcessor used on opensource projects

Example 1 with PageProcessor

use of com.facebook.presto.operator.project.PageProcessor in project presto by prestodb.

the class ExpressionCompiler method compilePageProcessor.

private Supplier<PageProcessor> compilePageProcessor(SqlFunctionProperties sqlFunctionProperties, Optional<RowExpression> filter, List<? extends RowExpression> projections, boolean isOptimizeCommonSubExpression, Map<SqlFunctionId, SqlInvokedFunction> sessionFunctions, Optional<String> classNameSuffix, OptionalInt initialBatchSize) {
    Optional<Supplier<PageFilter>> filterFunctionSupplier = filter.map(expression -> pageFunctionCompiler.compileFilter(sqlFunctionProperties, sessionFunctions, expression, isOptimizeCommonSubExpression, classNameSuffix));
    List<Supplier<PageProjectionWithOutputs>> pageProjectionSuppliers = pageFunctionCompiler.compileProjections(sqlFunctionProperties, sessionFunctions, projections, isOptimizeCommonSubExpression, classNameSuffix);
    return () -> {
        Optional<PageFilter> filterFunction = filterFunctionSupplier.map(Supplier::get);
        List<PageProjectionWithOutputs> pageProjections = pageProjectionSuppliers.stream().map(Supplier::get).collect(toImmutableList());
        return new PageProcessor(filterFunction, pageProjections, initialBatchSize);
    };
}

Example 2 with PageProcessor

use of com.facebook.presto.operator.project.PageProcessor in project presto by prestodb.

the class PredicateFilterBenchmark method createOperatorFactories.

@Override
protected List<? extends OperatorFactory> createOperatorFactories() {
    Metadata metadata = localQueryRunner.getMetadata();
    OperatorFactory tableScanOperator = createTableScanOperator(0, new PlanNodeId("test"), "orders", "totalprice");
    RowExpression filter = call(GREATER_THAN_OR_EQUAL.name(), metadata.getFunctionAndTypeManager().resolveOperator(GREATER_THAN_OR_EQUAL, fromTypes(DOUBLE, DOUBLE)), BOOLEAN, field(0, DOUBLE), constant(50000.0, DOUBLE));
    ExpressionCompiler expressionCompiler = new ExpressionCompiler(metadata, new PageFunctionCompiler(metadata, 0));
    Supplier<PageProcessor> pageProcessor = expressionCompiler.compilePageProcessor(localQueryRunner.getDefaultSession().getSqlFunctionProperties(), Optional.of(filter), ImmutableList.of(field(0, DOUBLE)));
    FilterAndProjectOperator.FilterAndProjectOperatorFactory filterAndProjectOperator = new FilterAndProjectOperator.FilterAndProjectOperatorFactory(1, new PlanNodeId("test"), pageProcessor, ImmutableList.of(DOUBLE), new DataSize(0, BYTE), 0);
    return ImmutableList.of(tableScanOperator, filterAndProjectOperator);
}

Example 3 with PageProcessor

use of com.facebook.presto.operator.project.PageProcessor in project presto by prestodb.

the class TestScanFilterAndProjectOperator method testPageSourceLazyLoad.

@Test
public void testPageSourceLazyLoad() {
    Block inputBlock = BlockAssertions.createLongSequenceBlock(0, 100);
    // If column 1 is loaded, test will fail
    Page input = new Page(100, inputBlock, new LazyBlock(100, lazyBlock -> {
        throw new AssertionError("Lazy block should not be loaded");
    }));
    DriverContext driverContext = newDriverContext();
    List<RowExpression> projections = ImmutableList.of(field(0, VARCHAR));
    Supplier<CursorProcessor> cursorProcessor = expressionCompiler.compileCursorProcessor(driverContext.getSession().getSqlFunctionProperties(), Optional.empty(), projections, "key");
    PageProcessor pageProcessor = new PageProcessor(Optional.of(new SelectAllFilter()), ImmutableList.of(new PageProjectionWithOutputs(new LazyPagePageProjection(), new int[] { 0 })));
    ScanFilterAndProjectOperator.ScanFilterAndProjectOperatorFactory factory = new ScanFilterAndProjectOperator.ScanFilterAndProjectOperatorFactory(0, new PlanNodeId("test"), new PlanNodeId("0"), (session, split, table, columns) -> new SinglePagePageSource(input), cursorProcessor, () -> pageProcessor, TESTING_TABLE_HANDLE, ImmutableList.of(), ImmutableList.of(BIGINT), Optional.empty(), new DataSize(0, BYTE), 0);
    SourceOperator operator = factory.createOperator(driverContext);
    operator.addSplit(new Split(new ConnectorId("test"), TestingTransactionHandle.create(), TestingSplit.createLocalSplit()));
    operator.noMoreSplits();
    MaterializedResult expected = toMaterializedResult(driverContext.getSession(), ImmutableList.of(BIGINT), ImmutableList.of(new Page(inputBlock)));
    MaterializedResult actual = toMaterializedResult(driverContext.getSession(), ImmutableList.of(BIGINT), toPages(operator));
    assertEquals(actual.getRowCount(), expected.getRowCount());
    assertEquals(actual, expected);
}

Example 4 with PageProcessor

use of com.facebook.presto.operator.project.PageProcessor in project presto by prestodb.

the class TestScanFilterAndProjectOperator method testPageSource.

@Test
public void testPageSource() {
    final Page input = SequencePageBuilder.createSequencePage(ImmutableList.of(VARCHAR), 10_000, 0);
    DriverContext driverContext = newDriverContext();
    List<RowExpression> projections = ImmutableList.of(field(0, VARCHAR));
    Supplier<CursorProcessor> cursorProcessor = expressionCompiler.compileCursorProcessor(driverContext.getSession().getSqlFunctionProperties(), Optional.empty(), projections, "key");
    Supplier<PageProcessor> pageProcessor = expressionCompiler.compilePageProcessor(driverContext.getSession().getSqlFunctionProperties(), Optional.empty(), projections);
    ScanFilterAndProjectOperator.ScanFilterAndProjectOperatorFactory factory = new ScanFilterAndProjectOperator.ScanFilterAndProjectOperatorFactory(0, new PlanNodeId("test"), new PlanNodeId("0"), (session, split, table, columns) -> new FixedPageSource(ImmutableList.of(input)), cursorProcessor, pageProcessor, TESTING_TABLE_HANDLE, ImmutableList.of(), ImmutableList.of(VARCHAR), Optional.empty(), new DataSize(0, BYTE), 0);
    SourceOperator operator = factory.createOperator(driverContext);
    operator.addSplit(new Split(new ConnectorId("test"), TestingTransactionHandle.create(), TestingSplit.createLocalSplit()));
    operator.noMoreSplits();
    MaterializedResult expected = toMaterializedResult(driverContext.getSession(), ImmutableList.of(VARCHAR), ImmutableList.of(input));
    MaterializedResult actual = toMaterializedResult(driverContext.getSession(), ImmutableList.of(VARCHAR), toPages(operator));
    assertEquals(actual.getRowCount(), expected.getRowCount());
    assertEquals(actual, expected);
}

Example 5 with PageProcessor

use of com.facebook.presto.operator.project.PageProcessor in project presto by prestodb.

the class TestScanFilterAndProjectOperator method testRecordCursorSource.

@Test
public void testRecordCursorSource() {
    final Page input = SequencePageBuilder.createSequencePage(ImmutableList.of(VARCHAR), 10_000, 0);
    DriverContext driverContext = newDriverContext();
    List<RowExpression> projections = ImmutableList.of(field(0, VARCHAR));
    Supplier<CursorProcessor> cursorProcessor = expressionCompiler.compileCursorProcessor(driverContext.getSession().getSqlFunctionProperties(), Optional.empty(), projections, "key");
    Supplier<PageProcessor> pageProcessor = expressionCompiler.compilePageProcessor(driverContext.getSession().getSqlFunctionProperties(), Optional.empty(), projections);
    ScanFilterAndProjectOperator.ScanFilterAndProjectOperatorFactory factory = new ScanFilterAndProjectOperator.ScanFilterAndProjectOperatorFactory(0, new PlanNodeId("test"), new PlanNodeId("0"), (session, split, table, columns) -> new RecordPageSource(new PageRecordSet(ImmutableList.of(VARCHAR), input)), cursorProcessor, pageProcessor, TESTING_TABLE_HANDLE, ImmutableList.of(), ImmutableList.of(VARCHAR), Optional.empty(), new DataSize(0, BYTE), 0);
    SourceOperator operator = factory.createOperator(driverContext);
    operator.addSplit(new Split(new ConnectorId("test"), TestingTransactionHandle.create(), TestingSplit.createLocalSplit()));
    operator.noMoreSplits();
    MaterializedResult expected = toMaterializedResult(driverContext.getSession(), ImmutableList.of(VARCHAR), ImmutableList.of(input));
    MaterializedResult actual = toMaterializedResult(driverContext.getSession(), ImmutableList.of(VARCHAR), toPages(operator));
    assertEquals(actual.getRowCount(), expected.getRowCount());
    assertEquals(actual, expected);
}