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Example 1 with SelectAllFilter

use of com.facebook.presto.operator.project.TestPageProcessor.SelectAllFilter 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);
}
Also used : FunctionAndTypeManager(com.facebook.presto.metadata.FunctionAndTypeManager) RecordPageSource(com.facebook.presto.spi.RecordPageSource) Page(com.facebook.presto.common.Page) MetadataManager(com.facebook.presto.metadata.MetadataManager) Test(org.testng.annotations.Test) FixedPageSource(com.facebook.presto.spi.FixedPageSource) ConnectorTransactionHandle(com.facebook.presto.spi.connector.ConnectorTransactionHandle) Expressions.constant(com.facebook.presto.sql.relational.Expressions.constant) BlockAssertions(com.facebook.presto.block.BlockAssertions) Expressions.field(com.facebook.presto.sql.relational.Expressions.field) CursorProcessor(com.facebook.presto.operator.project.CursorProcessor) Executors.newScheduledThreadPool(java.util.concurrent.Executors.newScheduledThreadPool) EQUAL(com.facebook.presto.common.function.OperatorType.EQUAL) KILOBYTE(io.airlift.units.DataSize.Unit.KILOBYTE) PageFunctionCompiler(com.facebook.presto.sql.gen.PageFunctionCompiler) 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Aggregations

Threads.daemonThreadsNamed (com.facebook.airlift.concurrent.Threads.daemonThreadsNamed)1 RowPagesBuilder.rowPagesBuilder (com.facebook.presto.RowPagesBuilder.rowPagesBuilder)1 SequencePageBuilder (com.facebook.presto.SequencePageBuilder)1 TEST_SESSION (com.facebook.presto.SessionTestUtils.TEST_SESSION)1 BlockAssertions (com.facebook.presto.block.BlockAssertions)1 BlockAssertions.toValues (com.facebook.presto.block.BlockAssertions.toValues)1 Page (com.facebook.presto.common.Page)1 Block (com.facebook.presto.common.block.Block)1 LazyBlock (com.facebook.presto.common.block.LazyBlock)1 LazyBlockLoader (com.facebook.presto.common.block.LazyBlockLoader)1 EQUAL (com.facebook.presto.common.function.OperatorType.EQUAL)1 BIGINT (com.facebook.presto.common.type.BigintType.BIGINT)1 BOOLEAN (com.facebook.presto.common.type.BooleanType.BOOLEAN)1 VARCHAR (com.facebook.presto.common.type.VarcharType.VARCHAR)1 FunctionAndTypeManager (com.facebook.presto.metadata.FunctionAndTypeManager)1 Metadata (com.facebook.presto.metadata.Metadata)1 MetadataManager (com.facebook.presto.metadata.MetadataManager)1 MetadataManager.createTestMetadataManager (com.facebook.presto.metadata.MetadataManager.createTestMetadataManager)1 Split (com.facebook.presto.metadata.Split)1 SqlScalarFunction (com.facebook.presto.metadata.SqlScalarFunction)1