use of io.prestosql.operator.SpatialJoinOperator.SpatialJoinOperatorFactory 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);
}
use of io.prestosql.operator.SpatialJoinOperator.SpatialJoinOperatorFactory in project hetu-core by openlookeng.
the class TestSpatialJoinOperator method testDuplicateProbeFactory.
@Test(dataProvider = "testDuplicateProbeFactoryDataProvider")
public void testDuplicateProbeFactory(boolean createSecondaryOperators) throws Exception {
TaskContext taskContext = createTaskContext();
PipelineContext pipelineContext = taskContext.addPipelineContext(0, true, true, false);
DriverContext probeDriver = pipelineContext.addDriverContext();
DriverContext buildDriver = pipelineContext.addDriverContext();
RowPagesBuilder buildPages = rowPagesBuilder(ImmutableList.of(GEOMETRY, VARCHAR, DOUBLE)).row(stPoint(0, 0), "0_0", 1.5);
PagesSpatialIndexFactory pagesSpatialIndexFactory = buildIndex(buildDriver, (build, probe, r) -> build.distance(probe) <= r.getAsDouble(), Optional.of(2), Optional.empty(), buildPages);
RowPagesBuilder probePages = rowPagesBuilder(ImmutableList.of(GEOMETRY, VARCHAR)).row(stPoint(0, 1), "0_1");
OperatorFactory firstFactory = new SpatialJoinOperatorFactory(2, new PlanNodeId("test"), INNER, probePages.getTypes(), Ints.asList(1), 0, Optional.empty(), pagesSpatialIndexFactory);
for (int i = 0; i < 3; i++) {
DriverContext secondDriver = pipelineContext.addDriverContext();
OperatorFactory secondFactory = firstFactory.duplicate();
if (createSecondaryOperators) {
try (Operator secondOperator = secondFactory.createOperator(secondDriver)) {
assertEquals(toPages(secondOperator, emptyIterator()), ImmutableList.of());
}
}
secondFactory.noMoreOperators();
}
MaterializedResult expected = resultBuilder(taskContext.getSession(), ImmutableList.of(VARCHAR, VARCHAR)).row("0_1", "0_0").build();
assertOperatorEquals(firstFactory, probeDriver, probePages.build(), expected);
}
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