Examples with PageProcessor io.trino.operator.project.PageProcessor used on opensource projects

Example 11 with PageProcessor

use of io.trino.operator.project.PageProcessor in project trino by trinodb.

the class TestPageProcessorCompiler method testNonDeterministicProject.

@Test
public void testNonDeterministicProject() {
    ResolvedFunction lessThan = functionResolution.resolveOperator(LESS_THAN, ImmutableList.of(BIGINT, BIGINT));
    CallExpression random = new CallExpression(functionResolution.resolveFunction(QualifiedName.of("random"), fromTypes(BIGINT)), singletonList(constant(10L, BIGINT)));
    InputReferenceExpression col0 = field(0, BIGINT);
    CallExpression lessThanRandomExpression = new CallExpression(lessThan, ImmutableList.of(col0, random));
    PageProcessor processor = compiler.compilePageProcessor(Optional.empty(), ImmutableList.of(lessThanRandomExpression), MAX_BATCH_SIZE).get();
    assertFalse(isDeterministic(lessThanRandomExpression));
    Page page = new Page(createLongDictionaryBlock(1, 100));
    Page outputPage = getOnlyElement(processor.process(null, new DriverYieldSignal(), newSimpleAggregatedMemoryContext().newLocalMemoryContext(PageProcessor.class.getSimpleName()), page)).orElseThrow(() -> new AssertionError("page is not present"));
    assertFalse(outputPage.getBlock(0) instanceof DictionaryBlock);
}

Example 12 with PageProcessor

use of io.trino.operator.project.PageProcessor in project trino by trinodb.

the class TestPageProcessorCompiler method testNoCaching.

@Test
public void testNoCaching() {
    ImmutableList.Builder<RowExpression> projectionsBuilder = ImmutableList.builder();
    ArrayType arrayType = new ArrayType(VARCHAR);
    ResolvedFunction resolvedFunction = functionResolution.resolveFunction(QualifiedName.of("concat"), fromTypes(arrayType, arrayType));
    projectionsBuilder.add(new CallExpression(resolvedFunction, ImmutableList.of(field(0, arrayType), field(1, arrayType))));
    ImmutableList<RowExpression> projections = projectionsBuilder.build();
    PageProcessor pageProcessor = compiler.compilePageProcessor(Optional.empty(), projections).get();
    PageProcessor pageProcessor2 = compiler.compilePageProcessor(Optional.empty(), projections).get();
    assertTrue(pageProcessor != pageProcessor2);
}

Example 13 with PageProcessor

use of io.trino.operator.project.PageProcessor in project trino by trinodb.

the class TestPageProcessorCompiler method testSanityRLE.

@Test
public void testSanityRLE() {
    PageProcessor processor = compiler.compilePageProcessor(Optional.empty(), ImmutableList.of(field(0, BIGINT), field(1, VARCHAR)), MAX_BATCH_SIZE).get();
    Slice varcharValue = Slices.utf8Slice("hello");
    Page page = new Page(RunLengthEncodedBlock.create(BIGINT, 123L, 100), RunLengthEncodedBlock.create(VARCHAR, varcharValue, 100));
    Page outputPage = getOnlyElement(processor.process(null, new DriverYieldSignal(), newSimpleAggregatedMemoryContext().newLocalMemoryContext(PageProcessor.class.getSimpleName()), page)).orElseThrow(() -> new AssertionError("page is not present"));
    assertEquals(outputPage.getPositionCount(), 100);
    assertTrue(outputPage.getBlock(0) instanceof RunLengthEncodedBlock);
    assertTrue(outputPage.getBlock(1) instanceof RunLengthEncodedBlock);
    RunLengthEncodedBlock rleBlock = (RunLengthEncodedBlock) outputPage.getBlock(0);
    assertEquals(BIGINT.getLong(rleBlock.getValue(), 0), 123L);
    RunLengthEncodedBlock rleBlock1 = (RunLengthEncodedBlock) outputPage.getBlock(1);
    assertEquals(VARCHAR.getSlice(rleBlock1.getValue(), 0), varcharValue);
}

Example 14 with PageProcessor

use of io.trino.operator.project.PageProcessor in project trino by trinodb.

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, () -> {
        throw new AssertionError("Lazy block should not be loaded");
    }));
    DriverContext driverContext = newDriverContext();
    List<RowExpression> projections = ImmutableList.of(field(0, VARCHAR));
    Supplier<CursorProcessor> cursorProcessor = functionAssertions.getExpressionCompiler().compileCursorProcessor(Optional.empty(), projections, "key");
    PageProcessor pageProcessor = new PageProcessor(Optional.of(new SelectAllFilter()), ImmutableList.of(new LazyPagePageProjection()));
    ScanFilterAndProjectOperator.ScanFilterAndProjectOperatorFactory factory = new ScanFilterAndProjectOperator.ScanFilterAndProjectOperatorFactory(0, new PlanNodeId("test"), new PlanNodeId("0"), (session, split, table, columns, dynamicFilter) -> new SinglePagePageSource(input), cursorProcessor, () -> pageProcessor, TEST_TABLE_HANDLE, ImmutableList.of(), DynamicFilter.EMPTY, ImmutableList.of(BIGINT), DataSize.ofBytes(0), 0);
    SourceOperator operator = factory.createOperator(driverContext);
    operator.addSplit(new Split(new CatalogName("test"), TestingSplit.createLocalSplit(), Lifespan.taskWide()));
    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 15 with PageProcessor

use of io.trino.operator.project.PageProcessor in project trino by trinodb.

the class TestScanFilterAndProjectOperator method testPageYield.

@Test
public void testPageYield() {
    int totalRows = 1000;
    Page input = SequencePageBuilder.createSequencePage(ImmutableList.of(BIGINT), totalRows, 1);
    DriverContext driverContext = newDriverContext();
    // 20 columns; each column is associated with a function that will force yield per projection
    int totalColumns = 20;
    ImmutableList.Builder<SqlScalarFunction> functions = ImmutableList.builder();
    for (int i = 0; i < totalColumns; i++) {
        functions.add(new GenericLongFunction("page_col" + i, value -> {
            driverContext.getYieldSignal().forceYieldForTesting();
            return value;
        }));
    }
    functionAssertions.addFunctions(new InternalFunctionBundle(functions.build()));
    // match each column with a projection
    ExpressionCompiler expressionCompiler = new ExpressionCompiler(functionAssertions.getFunctionManager(), new PageFunctionCompiler(functionAssertions.getFunctionManager(), 0));
    ImmutableList.Builder<RowExpression> projections = ImmutableList.builder();
    for (int i = 0; i < totalColumns; i++) {
        projections.add(call(functionAssertions.getMetadata().resolveFunction(session, QualifiedName.of("generic_long_page_col" + i), fromTypes(BIGINT)), field(0, BIGINT)));
    }
    Supplier<CursorProcessor> cursorProcessor = expressionCompiler.compileCursorProcessor(Optional.empty(), projections.build(), "key");
    Supplier<PageProcessor> pageProcessor = expressionCompiler.compilePageProcessor(Optional.empty(), projections.build(), MAX_BATCH_SIZE);
    ScanFilterAndProjectOperator.ScanFilterAndProjectOperatorFactory factory = new ScanFilterAndProjectOperator.ScanFilterAndProjectOperatorFactory(0, new PlanNodeId("test"), new PlanNodeId("0"), (session, split, table, columns, dynamicFilter) -> new FixedPageSource(ImmutableList.of(input)), cursorProcessor, pageProcessor, TEST_TABLE_HANDLE, ImmutableList.of(), DynamicFilter.EMPTY, ImmutableList.of(BIGINT), DataSize.ofBytes(0), 0);
    SourceOperator operator = factory.createOperator(driverContext);
    operator.addSplit(new Split(new CatalogName("test"), TestingSplit.createLocalSplit(), Lifespan.taskWide()));
    operator.noMoreSplits();
    // exactly 20 blocks (one for each column) and the PageProcessor will be able to create a Page out of it.
    for (int i = 1; i <= totalRows * totalColumns; i++) {
        driverContext.getYieldSignal().setWithDelay(SECONDS.toNanos(1000), driverContext.getYieldExecutor());
        Page page = operator.getOutput();
        if (i == totalColumns) {
            assertNotNull(page);
            assertEquals(page.getPositionCount(), totalRows);
            assertEquals(page.getChannelCount(), totalColumns);
            for (int j = 0; j < totalColumns; j++) {
                assertEquals(toValues(BIGINT, page.getBlock(j)), toValues(BIGINT, input.getBlock(0)));
            }
        } else {
            assertNull(page);
        }
        driverContext.getYieldSignal().reset();
    }
}