Examples with PagesSpatialIndexFactory com.facebook.presto.operator.PagesSpatialIndexFactory used on opensource projects

Example 6 with PagesSpatialIndexFactory

use of com.facebook.presto.operator.PagesSpatialIndexFactory in project presto by prestodb.

the class TestSpatialJoinOperator method testDistanceQuery.

@Test
public void testDistanceQuery() {
    TaskContext taskContext = createTaskContext();
    DriverContext driverContext = taskContext.addPipelineContext(0, true, true, false).addDriverContext();
    RowPagesBuilder buildPages = rowPagesBuilder(ImmutableList.of(GEOMETRY, VARCHAR, DOUBLE)).row(stPoint(0, 0), "0_0", 1.5).row(null, "null", 1.5).row(stPoint(1, 0), "1_0", 1.5).pageBreak().row(stPoint(3, 0), "3_0", 1.5).pageBreak().row(stPoint(10, 0), "10_0", 1.5);
    PagesSpatialIndexFactory pagesSpatialIndexFactory = buildIndex(driverContext, (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").row(null, "null").row(stPoint(1, 1), "1_1").pageBreak().row(stPoint(3, 1), "3_1").pageBreak().row(stPoint(10, 1), "10_1");
    OperatorFactory joinOperatorFactory = new SpatialJoinOperatorFactory(2, new PlanNodeId("test"), INNER, probePages.getTypes(), Ints.asList(1), 0, Optional.empty(), pagesSpatialIndexFactory);
    // Make sure that spatial index reference counting works with duplicate factories
    joinOperatorFactory.duplicate().noMoreOperators();
    MaterializedResult expected = resultBuilder(taskContext.getSession(), ImmutableList.of(VARCHAR, VARCHAR)).row("0_1", "0_0").row("0_1", "1_0").row("1_1", "0_0").row("1_1", "1_0").row("3_1", "3_0").row("10_1", "10_0").build();
    assertOperatorEqualsIgnoreOrder(joinOperatorFactory, driverContext, probePages.build(), expected);
}