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Example 1 with MAX_BATCH_SIZE

use of io.trino.operator.project.PageProcessor.MAX_BATCH_SIZE 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();
    }
}
Also used : MaterializedResult(io.trino.testing.MaterializedResult) TypeSignatureProvider.fromTypes(io.trino.sql.analyzer.TypeSignatureProvider.fromTypes) BlockAssertions(io.trino.block.BlockAssertions) Test(org.testng.annotations.Test) Expressions.field(io.trino.sql.relational.Expressions.field) LazyPagePageProjection(io.trino.operator.project.TestPageProcessor.LazyPagePageProjection) SequencePageBuilder(io.trino.SequencePageBuilder) LazyBlock(io.trino.spi.block.LazyBlock) CatalogName(io.trino.connector.CatalogName) Block(io.trino.spi.block.Block) PlanNodeId(io.trino.sql.planner.plan.PlanNodeId) Executors.newScheduledThreadPool(java.util.concurrent.Executors.newScheduledThreadPool) CursorProcessor(io.trino.operator.project.CursorProcessor) TEST_SESSION(io.trino.SessionTestUtils.TEST_SESSION) PageRecordSet(io.trino.operator.index.PageRecordSet) RowPagesBuilder.rowPagesBuilder(io.trino.RowPagesBuilder.rowPagesBuilder) KILOBYTE(io.airlift.units.DataSize.Unit.KILOBYTE) EQUAL(io.trino.spi.function.OperatorType.EQUAL) ConnectorPageSource(io.trino.spi.connector.ConnectorPageSource) Assert.assertEquals(io.trino.testing.assertions.Assert.assertEquals) Expressions.constant(io.trino.sql.relational.Expressions.constant) PageFunctionCompiler(io.trino.sql.gen.PageFunctionCompiler) SelectAllFilter(io.trino.operator.project.TestPageProcessor.SelectAllFilter) Assert.assertNotNull(org.testng.Assert.assertNotNull) AbstractTestFunctions(io.trino.operator.scalar.AbstractTestFunctions) DataSize(io.airlift.units.DataSize) List(java.util.List) FixedPageSource(io.trino.spi.connector.FixedPageSource) BIGINT(io.trino.spi.type.BigintType.BIGINT) PageAssertions.assertPageEquals(io.trino.operator.PageAssertions.assertPageEquals) Split(io.trino.metadata.Split) DynamicFilter(io.trino.spi.connector.DynamicFilter) Optional(java.util.Optional) BlockAssertions.toValues(io.trino.block.BlockAssertions.toValues) Assert.assertNull(org.testng.Assert.assertNull) Page(io.trino.spi.Page) Supplier(java.util.function.Supplier) ExpressionCompiler(io.trino.sql.gen.ExpressionCompiler) MAX_BATCH_SIZE(io.trino.operator.project.PageProcessor.MAX_BATCH_SIZE) VARCHAR(io.trino.spi.type.VarcharType.VARCHAR) ImmutableList(com.google.common.collect.ImmutableList) Threads.daemonThreadsNamed(io.airlift.concurrent.Threads.daemonThreadsNamed) RecordPageSource(io.trino.spi.connector.RecordPageSource) ScheduledExecutorService(java.util.concurrent.ScheduledExecutorService) PageProcessor(io.trino.operator.project.PageProcessor) TestingSplit(io.trino.testing.TestingSplit) Lifespan(io.trino.execution.Lifespan) ExecutorService(java.util.concurrent.ExecutorService) TestingTaskContext.createTaskContext(io.trino.testing.TestingTaskContext.createTaskContext) AfterClass(org.testng.annotations.AfterClass) SqlScalarFunction(io.trino.metadata.SqlScalarFunction) FunctionManager(io.trino.metadata.FunctionManager) QualifiedName(io.trino.sql.tree.QualifiedName) OperatorAssertion.toMaterializedResult(io.trino.operator.OperatorAssertion.toMaterializedResult) Expressions.call(io.trino.sql.relational.Expressions.call) RowExpression(io.trino.sql.relational.RowExpression) InternalFunctionBundle(io.trino.metadata.InternalFunctionBundle) TEST_TABLE_HANDLE(io.trino.testing.TestingHandles.TEST_TABLE_HANDLE) Executors.newCachedThreadPool(java.util.concurrent.Executors.newCachedThreadPool) Assert.assertTrue(org.testng.Assert.assertTrue) SECONDS(java.util.concurrent.TimeUnit.SECONDS) PageFunctionCompiler(io.trino.sql.gen.PageFunctionCompiler) CursorProcessor(io.trino.operator.project.CursorProcessor) ImmutableList(com.google.common.collect.ImmutableList) Page(io.trino.spi.Page) PlanNodeId(io.trino.sql.planner.plan.PlanNodeId) PageProcessor(io.trino.operator.project.PageProcessor) InternalFunctionBundle(io.trino.metadata.InternalFunctionBundle) RowExpression(io.trino.sql.relational.RowExpression) FixedPageSource(io.trino.spi.connector.FixedPageSource) SqlScalarFunction(io.trino.metadata.SqlScalarFunction) ExpressionCompiler(io.trino.sql.gen.ExpressionCompiler) CatalogName(io.trino.connector.CatalogName) Split(io.trino.metadata.Split) TestingSplit(io.trino.testing.TestingSplit) Test(org.testng.annotations.Test)

Aggregations

ImmutableList (com.google.common.collect.ImmutableList)1 Threads.daemonThreadsNamed (io.airlift.concurrent.Threads.daemonThreadsNamed)1 DataSize (io.airlift.units.DataSize)1 KILOBYTE (io.airlift.units.DataSize.Unit.KILOBYTE)1 RowPagesBuilder.rowPagesBuilder (io.trino.RowPagesBuilder.rowPagesBuilder)1 SequencePageBuilder (io.trino.SequencePageBuilder)1 TEST_SESSION (io.trino.SessionTestUtils.TEST_SESSION)1 BlockAssertions (io.trino.block.BlockAssertions)1 BlockAssertions.toValues (io.trino.block.BlockAssertions.toValues)1 CatalogName (io.trino.connector.CatalogName)1 Lifespan (io.trino.execution.Lifespan)1 FunctionManager (io.trino.metadata.FunctionManager)1 InternalFunctionBundle (io.trino.metadata.InternalFunctionBundle)1 Split (io.trino.metadata.Split)1 SqlScalarFunction (io.trino.metadata.SqlScalarFunction)1 OperatorAssertion.toMaterializedResult (io.trino.operator.OperatorAssertion.toMaterializedResult)1 PageAssertions.assertPageEquals (io.trino.operator.PageAssertions.assertPageEquals)1 PageRecordSet (io.trino.operator.index.PageRecordSet)1 CursorProcessor (io.trino.operator.project.CursorProcessor)1 PageProcessor (io.trino.operator.project.PageProcessor)1