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Example 1 with TEST_TABLE_HANDLE

use of io.prestosql.testing.TestingHandles.TEST_TABLE_HANDLE in project hetu-core by openlookeng.

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(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(), null, ImmutableList.of(BIGINT), new DataSize(0, BYTE), 0, ReuseExchangeOperator.STRATEGY.REUSE_STRATEGY_DEFAULT, new UUID(0, 0), false, Optional.empty(), 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);
}
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Example 2 with TEST_TABLE_HANDLE

use of io.prestosql.testing.TestingHandles.TEST_TABLE_HANDLE in project hetu-core by openlookeng.

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;
        }));
    }
    Metadata localMetadata = functionAssertions.getMetadata();
    localMetadata.getFunctionAndTypeManager().registerBuiltInFunctions(functions.build());
    // match each column with a projection
    ExpressionCompiler compiler = new ExpressionCompiler(localMetadata, new PageFunctionCompiler(localMetadata, 0));
    ImmutableList.Builder<RowExpression> projections = ImmutableList.builder();
    for (int i = 0; i < totalColumns; i++) {
        projections.add(call(QualifiedObjectName.valueOfDefaultFunction("generic_long_page_col" + i).toString(), new BuiltInFunctionHandle(internalScalarFunction(QualifiedObjectName.valueOfDefaultFunction("generic_long_page_col" + i), BIGINT.getTypeSignature(), ImmutableList.of(BIGINT.getTypeSignature()))), BIGINT, field(0, BIGINT)));
    }
    Supplier<CursorProcessor> cursorProcessor = compiler.compileCursorProcessor(Optional.empty(), projections.build(), "key");
    Supplier<PageProcessor> pageProcessor = compiler.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(), null, ImmutableList.of(BIGINT), new DataSize(0, BYTE), 0, ReuseExchangeOperator.STRATEGY.REUSE_STRATEGY_DEFAULT, new UUID(0, 0), false, Optional.empty(), 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();
    }
}
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Aggregations

ImmutableList (com.google.common.collect.ImmutableList)2 Threads.daemonThreadsNamed (io.airlift.concurrent.Threads.daemonThreadsNamed)2 DataSize (io.airlift.units.DataSize)2 BYTE (io.airlift.units.DataSize.Unit.BYTE)2 KILOBYTE (io.airlift.units.DataSize.Unit.KILOBYTE)2 RowPagesBuilder.rowPagesBuilder (io.prestosql.RowPagesBuilder.rowPagesBuilder)2 SequencePageBuilder (io.prestosql.SequencePageBuilder)2 TEST_SESSION (io.prestosql.SessionTestUtils.TEST_SESSION)2 BlockAssertions (io.prestosql.block.BlockAssertions)2 BlockAssertions.toValues (io.prestosql.block.BlockAssertions.toValues)2 Lifespan (io.prestosql.execution.Lifespan)2 Metadata (io.prestosql.metadata.Metadata)2 MetadataManager.createTestMetadataManager (io.prestosql.metadata.MetadataManager.createTestMetadataManager)2 Split (io.prestosql.metadata.Split)2 SqlScalarFunction (io.prestosql.metadata.SqlScalarFunction)2 OperatorAssertion.toMaterializedResult (io.prestosql.operator.OperatorAssertion.toMaterializedResult)2 PageAssertions.assertPageEquals (io.prestosql.operator.PageAssertions.assertPageEquals)2 PageRecordSet (io.prestosql.operator.index.PageRecordSet)2 CursorProcessor (io.prestosql.operator.project.CursorProcessor)2 PageProcessor (io.prestosql.operator.project.PageProcessor)2