Examples with VectorGrouper org.apache.druid.query.groupby.epinephelinae.VectorGrouper used on opensource projects

Example 1 with VectorGrouper

use of org.apache.druid.query.groupby.epinephelinae.VectorGrouper in project druid by druid-io.

the class VectorGroupByEngineIteratorTest method testCreateOneGrouperAndCloseItWhenClose.

@Test
public void testCreateOneGrouperAndCloseItWhenClose() throws IOException {
    final Interval interval = TestIndex.DATA_INTERVAL;
    final AggregatorFactory factory = new DoubleSumAggregatorFactory("index", "index");
    final GroupByQuery query = GroupByQuery.builder().setDataSource(QueryRunnerTestHelper.DATA_SOURCE).setGranularity(QueryRunnerTestHelper.DAY_GRAN).setInterval(interval).setDimensions(new DefaultDimensionSpec("market", null, null)).setAggregatorSpecs(factory).build();
    final StorageAdapter storageAdapter = new QueryableIndexStorageAdapter(TestIndex.getMMappedTestIndex());
    final ByteBuffer byteBuffer = ByteBuffer.wrap(new byte[4096]);
    final VectorCursor cursor = storageAdapter.makeVectorCursor(Filters.toFilter(query.getDimFilter()), interval, query.getVirtualColumns(), false, QueryContexts.getVectorSize(query), null);
    final List<GroupByVectorColumnSelector> dimensions = query.getDimensions().stream().map(dimensionSpec -> ColumnProcessors.makeVectorProcessor(dimensionSpec, GroupByVectorColumnProcessorFactory.instance(), cursor.getColumnSelectorFactory())).collect(Collectors.toList());
    final MutableObject<VectorGrouper> grouperCaptor = new MutableObject<>();
    final VectorGroupByEngineIterator iterator = new VectorGroupByEngineIterator(query, new GroupByQueryConfig(), storageAdapter, cursor, interval, dimensions, byteBuffer, null) {

        @Override
        VectorGrouper makeGrouper() {
            grouperCaptor.setValue(Mockito.spy(super.makeGrouper()));
            return grouperCaptor.getValue();
        }
    };
    iterator.close();
    Mockito.verify(grouperCaptor.getValue()).close();
}