Examples with IndexSample org.neo4j.kernel.api.index.IndexSample used on opensource projects

Example 56 with IndexSample

use of org.neo4j.kernel.api.index.IndexSample in project neo4j by neo4j.

the class NativeUniqueIndexPopulatorTest method shouldSampleUpdates.

@Test
void shouldSampleUpdates() throws Exception {
    // GIVEN
    populator.create();
    IndexEntryUpdate<IndexDescriptor>[] updates = valueCreatorUtil.someUpdates(random);
    // WHEN
    populator.add(asList(updates), NULL);
    for (IndexEntryUpdate<IndexDescriptor> update : updates) {
        populator.includeSample(update);
    }
    populator.scanCompleted(nullInstance, populationWorkScheduler, NULL);
    IndexSample sample = populator.sample(NULL);
    // THEN
    assertEquals(updates.length, sample.sampleSize());
    assertEquals(updates.length, sample.uniqueValues());
    assertEquals(updates.length, sample.indexSize());
    populator.close(true, NULL);
}