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Example 1 with InternalJoinFilterFunction

use of io.prestosql.operator.InternalJoinFilterFunction in project hetu-core by openlookeng.

the class JoinFilterFunctionCompiler method compileInternalJoinFilterFunction.

private Class<? extends InternalJoinFilterFunction> compileInternalJoinFilterFunction(RowExpression filterExpression, int leftBlocksSize) {
    ClassDefinition classDefinition = new ClassDefinition(a(PUBLIC, FINAL), makeClassName("JoinFilterFunction"), type(Object.class), type(InternalJoinFilterFunction.class));
    CallSiteBinder callSiteBinder = new CallSiteBinder();
    new JoinFilterFunctionCompiler(metadata).generateMethods(classDefinition, callSiteBinder, filterExpression, leftBlocksSize);
    // 
    // toString method
    // 
    generateToString(classDefinition, callSiteBinder, toStringHelper(classDefinition.getType().getJavaClassName()).add("filter", filterExpression).add("leftBlocksSize", leftBlocksSize).toString());
    return defineClass(classDefinition, InternalJoinFilterFunction.class, callSiteBinder.getBindings(), getClass().getClassLoader());
}
Also used : ClassDefinition(io.airlift.bytecode.ClassDefinition) InternalJoinFilterFunction(io.prestosql.operator.InternalJoinFilterFunction)

Example 2 with InternalJoinFilterFunction

use of io.prestosql.operator.InternalJoinFilterFunction in project hetu-core by openlookeng.

the class TestSpatialJoinOperator method testYield.

@Test
public void testYield() {
    // create a filter function that yields for every probe match
    // verify we will yield #match times totally
    TaskContext taskContext = createTaskContext();
    DriverContext driverContext = taskContext.addPipelineContext(0, true, true, false).addDriverContext();
    // force a yield for every match
    AtomicInteger filterFunctionCalls = new AtomicInteger();
    InternalJoinFilterFunction filterFunction = new TestInternalJoinFilterFunction(((leftPosition, leftPage, rightPosition, rightPage) -> {
        filterFunctionCalls.incrementAndGet();
        driverContext.getYieldSignal().forceYieldForTesting();
        return true;
    }));
    RowPagesBuilder buildPages = rowPagesBuilder(ImmutableList.of(GEOMETRY, VARCHAR)).row(POLYGON_A, "A").pageBreak().row(POLYGON_B, "B");
    PagesSpatialIndexFactory pagesSpatialIndexFactory = buildIndex(driverContext, (build, probe, r) -> build.contains(probe), Optional.empty(), Optional.of(filterFunction), buildPages);
    // 10 points in polygon A (x0...x9)
    // 10 points in polygons A and B (y0...y9)
    // 10 points in polygon B (z0...z9)
    // 40 total matches
    RowPagesBuilder probePages = rowPagesBuilder(ImmutableList.of(GEOMETRY, VARCHAR));
    for (int i = 0; i < 10; i++) {
        probePages.row(stPoint(1 + 0.1 * i, 1 + 0.1 * i), "x" + i);
    }
    for (int i = 0; i < 10; i++) {
        probePages.row(stPoint(4.5 + 0.01 * i, 4.5 + 0.01 * i), "y" + i);
    }
    for (int i = 0; i < 10; i++) {
        probePages.row(stPoint(6 + 0.1 * i, 6 + 0.1 * i), "z" + i);
    }
    List<Page> probeInput = probePages.build();
    OperatorFactory joinOperatorFactory = new SpatialJoinOperatorFactory(2, new PlanNodeId("test"), INNER, probePages.getTypes(), Ints.asList(1), 0, Optional.empty(), pagesSpatialIndexFactory);
    Operator operator = joinOperatorFactory.createOperator(driverContext);
    assertTrue(operator.needsInput());
    operator.addInput(probeInput.get(0));
    operator.finish();
    // we will yield 40 times due to filterFunction
    for (int i = 0; i < 40; i++) {
        driverContext.getYieldSignal().setWithDelay(5 * SECONDS.toNanos(1), driverContext.getYieldExecutor());
        assertNull(operator.getOutput());
        assertEquals(filterFunctionCalls.get(), i + 1, "Expected join to stop processing (yield) after calling filter function once");
        driverContext.getYieldSignal().reset();
    }
    // delayed yield is not going to prevent operator from producing a page now (yield won't be forced because filter function won't be called anymore)
    driverContext.getYieldSignal().setWithDelay(5 * SECONDS.toNanos(1), driverContext.getYieldExecutor());
    Page output = operator.getOutput();
    assertNotNull(output);
    // make sure we have 40 matches
    assertEquals(output.getPositionCount(), 40);
}
Also used : Test(org.testng.annotations.Test) AfterMethod(org.testng.annotations.AfterMethod) PagesSpatialIndexFactory(io.prestosql.operator.PagesSpatialIndexFactory) MaterializedResult(io.prestosql.testing.MaterializedResult) GeoFunctions.stPoint(io.prestosql.plugin.geospatial.GeoFunctions.stPoint) KdbTree(io.prestosql.geospatial.KdbTree) KdbTreeUtils(io.prestosql.geospatial.KdbTreeUtils) Type(io.prestosql.sql.planner.plan.SpatialJoinNode.Type) AtomicInteger(java.util.concurrent.atomic.AtomicInteger) Executors.newScheduledThreadPool(java.util.concurrent.Executors.newScheduledThreadPool) OperatorAssertion.assertOperatorEquals(io.prestosql.operator.OperatorAssertion.assertOperatorEquals) Slices(io.airlift.slice.Slices) PipelineContext(io.prestosql.operator.PipelineContext) SpatialJoinOperatorFactory(io.prestosql.operator.SpatialJoinOperator.SpatialJoinOperatorFactory) Node.newInternal(io.prestosql.geospatial.KdbTree.Node.newInternal) PlanNodeId(io.prestosql.spi.plan.PlanNodeId) 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PagesSpatialIndexFactory(io.prestosql.operator.PagesSpatialIndexFactory) Test(org.testng.annotations.Test)

Aggregations

InternalJoinFilterFunction (io.prestosql.operator.InternalJoinFilterFunction)2 ImmutableList (com.google.common.collect.ImmutableList)1 Ints (com.google.common.primitives.Ints)1 ListenableFuture (com.google.common.util.concurrent.ListenableFuture)1 ClassDefinition (io.airlift.bytecode.ClassDefinition)1 Threads.daemonThreadsNamed (io.airlift.concurrent.Threads.daemonThreadsNamed)1 Slice (io.airlift.slice.Slice)1 Slices (io.airlift.slice.Slices)1 RowPagesBuilder (io.prestosql.RowPagesBuilder)1 RowPagesBuilder.rowPagesBuilder (io.prestosql.RowPagesBuilder.rowPagesBuilder)1 TEST_SESSION (io.prestosql.SessionTestUtils.TEST_SESSION)1 KdbTree (io.prestosql.geospatial.KdbTree)1 Node.newInternal (io.prestosql.geospatial.KdbTree.Node.newInternal)1 Node.newLeaf (io.prestosql.geospatial.KdbTree.Node.newLeaf)1 KdbTreeUtils (io.prestosql.geospatial.KdbTreeUtils)1 Rectangle (io.prestosql.geospatial.Rectangle)1 Driver (io.prestosql.operator.Driver)1 DriverContext (io.prestosql.operator.DriverContext)1 Operator (io.prestosql.operator.Operator)1 OperatorAssertion.assertOperatorEquals (io.prestosql.operator.OperatorAssertion.assertOperatorEquals)1