Examples with PageRecordSet io.trino.operator.index.PageRecordSet used on opensource projects

Example 1 with PageRecordSet

use of io.trino.operator.index.PageRecordSet in project trino by trinodb.

the class TestScanFilterAndProjectOperator method testRecordCursorSource.

@Test
public void testRecordCursorSource() {
    Page input = SequencePageBuilder.createSequencePage(ImmutableList.of(VARCHAR), 10_000, 0);
    DriverContext driverContext = newDriverContext();
    List<RowExpression> projections = ImmutableList.of(field(0, VARCHAR));
    Supplier<CursorProcessor> cursorProcessor = functionAssertions.getExpressionCompiler().compileCursorProcessor(Optional.empty(), projections, "key");
    Supplier<PageProcessor> pageProcessor = functionAssertions.getExpressionCompiler().compilePageProcessor(Optional.empty(), projections);
    ScanFilterAndProjectOperator.ScanFilterAndProjectOperatorFactory factory = new ScanFilterAndProjectOperator.ScanFilterAndProjectOperatorFactory(0, new PlanNodeId("test"), new PlanNodeId("0"), (session, split, table, columns, dynamicFilter) -> new RecordPageSource(new PageRecordSet(ImmutableList.of(VARCHAR), input)), cursorProcessor, pageProcessor, TEST_TABLE_HANDLE, ImmutableList.of(), DynamicFilter.EMPTY, ImmutableList.of(VARCHAR), 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(VARCHAR), ImmutableList.of(input));
    MaterializedResult actual = toMaterializedResult(driverContext.getSession(), ImmutableList.of(VARCHAR), toPages(operator));
    assertEquals(actual.getRowCount(), expected.getRowCount());
    assertEquals(actual, expected);
}

Example 2 with PageRecordSet

use of io.trino.operator.index.PageRecordSet in project trino by trinodb.

the class TestReadWrite method testRecordSetReadWrite.

private void testRecordSetReadWrite(Random random, int records) {
    testReadWrite(random, records, blocks -> {
        List<Type> types = columns.stream().map(ColumnDefinition::getType).collect(toImmutableList());
        PageRecordSet inputRecordSet = new PageRecordSet(types, new Page(blocks.toArray(new Block[blocks.size()])));
        return fromRecordSet(inputRecordSet);
    });
}

Example 3 with PageRecordSet

use of io.trino.operator.index.PageRecordSet in project trino by trinodb.

the class TestScanFilterAndProjectOperator method testRecordCursorYield.

@Test
public void testRecordCursorYield() {
    // create a generic long function that yields for projection on every row
    // verify we will yield #row times totally
    // create a table with 15 rows
    int length = 15;
    Page input = SequencePageBuilder.createSequencePage(ImmutableList.of(BIGINT), length, 0);
    DriverContext driverContext = newDriverContext();
    // set up generic long function with a callback to force yield
    functionAssertions.addFunctions(new InternalFunctionBundle(new GenericLongFunction("record_cursor", value -> {
        driverContext.getYieldSignal().forceYieldForTesting();
        return value;
    })));
    FunctionManager functionManager = functionAssertions.getFunctionManager();
    ExpressionCompiler expressionCompiler = new ExpressionCompiler(functionManager, new PageFunctionCompiler(functionManager, 0));
    List<RowExpression> projections = ImmutableList.of(call(functionAssertions.getMetadata().resolveFunction(session, QualifiedName.of("generic_long_record_cursor"), fromTypes(BIGINT)), field(0, BIGINT)));
    Supplier<CursorProcessor> cursorProcessor = expressionCompiler.compileCursorProcessor(Optional.empty(), projections, "key");
    Supplier<PageProcessor> pageProcessor = expressionCompiler.compilePageProcessor(Optional.empty(), projections);
    ScanFilterAndProjectOperator.ScanFilterAndProjectOperatorFactory factory = new ScanFilterAndProjectOperator.ScanFilterAndProjectOperatorFactory(0, new PlanNodeId("test"), new PlanNodeId("0"), (session, split, table, columns, dynamicFilter) -> new RecordPageSource(new PageRecordSet(ImmutableList.of(BIGINT), 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();
    // start driver; get null value due to yield for the first 15 times
    for (int i = 0; i < length; i++) {
        driverContext.getYieldSignal().setWithDelay(SECONDS.toNanos(1000), driverContext.getYieldExecutor());
        assertNull(operator.getOutput());
        driverContext.getYieldSignal().reset();
    }
    // the 16th yield is not going to prevent the operator from producing a page
    driverContext.getYieldSignal().setWithDelay(SECONDS.toNanos(1000), driverContext.getYieldExecutor());
    Page output = operator.getOutput();
    driverContext.getYieldSignal().reset();
    assertNotNull(output);
    assertEquals(toValues(BIGINT, output.getBlock(0)), toValues(BIGINT, input.getBlock(0)));
}

Example 4 with PageRecordSet

use of io.trino.operator.index.PageRecordSet in project trino by trinodb.

the class BenchmarkPageProcessor2 method setup.

@Setup
public void setup() {
    Type type = TYPE_MAP.get(this.type);
    for (int i = 0; i < columnCount; i++) {
        Symbol symbol = new Symbol(type.getDisplayName().toLowerCase(ENGLISH) + i);
        symbolTypes.put(symbol, type);
        sourceLayout.put(symbol, i);
    }
    List<RowExpression> projections = getProjections(type);
    types = projections.stream().map(RowExpression::getType).collect(toList());
    FunctionManager functionManager = createTestingFunctionManager();
    PageFunctionCompiler pageFunctionCompiler = new PageFunctionCompiler(functionManager, 0);
    inputPage = createPage(types, dictionaryBlocks);
    pageProcessor = new ExpressionCompiler(functionManager, pageFunctionCompiler).compilePageProcessor(Optional.of(getFilter(type)), projections).get();
    recordSet = new PageRecordSet(types, inputPage);
    cursorProcessor = new ExpressionCompiler(functionManager, pageFunctionCompiler).compileCursorProcessor(Optional.of(getFilter(type)), projections, "key").get();
}