Examples with RoaringBitmapFactory org.apache.druid.collections.bitmap.RoaringBitmapFactory used on opensource projects

Example 1 with RoaringBitmapFactory

use of org.apache.druid.collections.bitmap.RoaringBitmapFactory in project druid by druid-io.

the class DumpSegment method runBitmaps.

private void runBitmaps(final Injector injector, final QueryableIndex index) throws IOException {
    final ObjectMapper objectMapper = injector.getInstance(Key.get(ObjectMapper.class, Json.class));
    final BitmapFactory bitmapFactory = index.getBitmapFactoryForDimensions();
    final BitmapSerdeFactory bitmapSerdeFactory;
    if (bitmapFactory instanceof ConciseBitmapFactory) {
        bitmapSerdeFactory = new ConciseBitmapSerdeFactory();
    } else if (bitmapFactory instanceof RoaringBitmapFactory) {
        bitmapSerdeFactory = new RoaringBitmapSerdeFactory(null);
    } else {
        throw new ISE("Don't know which BitmapSerdeFactory to use for BitmapFactory[%s]!", bitmapFactory.getClass().getName());
    }
    final List<String> columnNames = getColumnsToInclude(index);
    withOutputStream(new Function<OutputStream, Object>() {

        @Override
        public Object apply(final OutputStream out) {
            try (final JsonGenerator jg = objectMapper.getFactory().createGenerator(out)) {
                jg.writeStartObject();
                {
                    jg.writeObjectField("bitmapSerdeFactory", bitmapSerdeFactory);
                    jg.writeFieldName("bitmaps");
                    jg.writeStartObject();
                    {
                        for (final String columnName : columnNames) {
                            final ColumnHolder columnHolder = index.getColumnHolder(columnName);
                            final BitmapIndex bitmapIndex = columnHolder.getBitmapIndex();
                            if (bitmapIndex == null) {
                                jg.writeNullField(columnName);
                            } else {
                                jg.writeFieldName(columnName);
                                jg.writeStartObject();
                                for (int i = 0; i < bitmapIndex.getCardinality(); i++) {
                                    String val = bitmapIndex.getValue(i);
                                    // respect nulls if they are present in the dictionary
                                    jg.writeFieldName(val == null ? "null" : val);
                                    final ImmutableBitmap bitmap = bitmapIndex.getBitmap(i);
                                    if (decompressBitmaps) {
                                        jg.writeStartArray();
                                        final IntIterator iterator = bitmap.iterator();
                                        while (iterator.hasNext()) {
                                            final int rowNum = iterator.next();
                                            jg.writeNumber(rowNum);
                                        }
                                        jg.writeEndArray();
                                    } else {
                                        byte[] bytes = bitmapSerdeFactory.getObjectStrategy().toBytes(bitmap);
                                        if (bytes != null) {
                                            jg.writeBinary(bytes);
                                        }
                                    }
                                }
                                jg.writeEndObject();
                            }
                        }
                    }
                    jg.writeEndObject();
                }
                jg.writeEndObject();
            } catch (IOException e) {
                throw new RuntimeException(e);
            }
            return null;
        }
    });
}

Example 2 with RoaringBitmapFactory

use of org.apache.druid.collections.bitmap.RoaringBitmapFactory in project druid by druid-io.

the class ListFilteredVirtualColumnSelectorTest method testFilterListFilteredVirtualColumnDenyIndex.

@Test
public void testFilterListFilteredVirtualColumnDenyIndex() {
    ListFilteredVirtualColumn virtualColumn = new ListFilteredVirtualColumn(DENY_VIRTUAL_NAME, new DefaultDimensionSpec(COLUMN_NAME, COLUMN_NAME, ColumnType.STRING), ImmutableSet.of("a", "b"), false);
    ColumnSelector selector = EasyMock.createMock(ColumnSelector.class);
    ColumnHolder holder = EasyMock.createMock(ColumnHolder.class);
    BitmapIndex index = EasyMock.createMock(BitmapIndex.class);
    ImmutableBitmap bitmap = EasyMock.createMock(ImmutableBitmap.class);
    BitmapFactory bitmapFactory = EasyMock.createMock(BitmapFactory.class);
    EasyMock.expect(selector.getColumnHolder(COLUMN_NAME)).andReturn(holder).atLeastOnce();
    EasyMock.expect(holder.getBitmapIndex()).andReturn(index).atLeastOnce();
    EasyMock.expect(index.getCardinality()).andReturn(3).atLeastOnce();
    EasyMock.expect(index.getValue(0)).andReturn("a").atLeastOnce();
    EasyMock.expect(index.getValue(1)).andReturn("b").atLeastOnce();
    EasyMock.expect(index.getValue(2)).andReturn("c").atLeastOnce();
    EasyMock.expect(index.getBitmap(0)).andReturn(bitmap).once();
    EasyMock.expect(index.getBitmapFactory()).andReturn(bitmapFactory).once();
    EasyMock.expect(index.hasNulls()).andReturn(true).once();
    EasyMock.replay(selector, holder, index, bitmap, bitmapFactory);
    ColumnSelectorBitmapIndexSelector bitmapIndexSelector = new ColumnSelectorBitmapIndexSelector(new RoaringBitmapFactory(), VirtualColumns.create(Collections.singletonList(virtualColumn)), selector);
    SelectorFilter filter = new SelectorFilter(DENY_VIRTUAL_NAME, "c");
    Assert.assertTrue(filter.shouldUseBitmapIndex(bitmapIndexSelector));
    BitmapIndex listFilteredIndex = bitmapIndexSelector.getBitmapIndex(DENY_VIRTUAL_NAME);
    Assert.assertEquals(-1, listFilteredIndex.getIndex("a"));
    Assert.assertEquals(-1, listFilteredIndex.getIndex("b"));
    Assert.assertEquals(0, listFilteredIndex.getIndex("c"));
    Assert.assertEquals(1, listFilteredIndex.getCardinality());
    Assert.assertEquals(bitmap, listFilteredIndex.getBitmap(1));
    Assert.assertEquals(bitmapFactory, listFilteredIndex.getBitmapFactory());
    Assert.assertTrue(listFilteredIndex.hasNulls());
    EasyMock.verify(selector, holder, index, bitmap, bitmapFactory);
}

Example 3 with RoaringBitmapFactory

use of org.apache.druid.collections.bitmap.RoaringBitmapFactory in project druid by druid-io.

the class IndexMergerTestBase method testMismatchedDimensions.

@Test
public void testMismatchedDimensions() throws IOException {
    IncrementalIndex index1 = IncrementalIndexTest.createIndex(new AggregatorFactory[] { new LongSumAggregatorFactory("A", "A") });
    index1.add(new MapBasedInputRow(1L, Arrays.asList("d1", "d2"), ImmutableMap.of("d1", "a", "d2", "z", "A", 1)));
    closer.closeLater(index1);
    IncrementalIndex index2 = IncrementalIndexTest.createIndex(new AggregatorFactory[] { new LongSumAggregatorFactory("A", "A"), new LongSumAggregatorFactory("C", "C") });
    index2.add(new MapBasedInputRow(1L, Arrays.asList("d1", "d2"), ImmutableMap.of("d1", "a", "d2", "z", "A", 2, "C", 100)));
    closer.closeLater(index2);
    Interval interval = new Interval(DateTimes.EPOCH, DateTimes.nowUtc());
    RoaringBitmapFactory factory = new RoaringBitmapFactory();
    List<IndexableAdapter> toMerge = Arrays.asList(new IncrementalIndexAdapter(interval, index1, factory), new IncrementalIndexAdapter(interval, index2, factory));
    final File tmpDirMerged = temporaryFolder.newFolder();
    indexMerger.merge(toMerge, true, new AggregatorFactory[] { new LongSumAggregatorFactory("A", "A"), new LongSumAggregatorFactory("C", "C") }, tmpDirMerged, indexSpec, -1);
}

Example 4 with RoaringBitmapFactory

use of org.apache.druid.collections.bitmap.RoaringBitmapFactory in project druid by druid-io.

the class IndexMergerTestBase method testMismatchedMetrics.

@Test
public void testMismatchedMetrics() throws IOException {
    IncrementalIndex index1 = IncrementalIndexTest.createIndex(new AggregatorFactory[] { new LongSumAggregatorFactory("A", "A") });
    closer.closeLater(index1);
    IncrementalIndex index2 = IncrementalIndexTest.createIndex(new AggregatorFactory[] { new LongSumAggregatorFactory("A", "A"), new LongSumAggregatorFactory("C", "C") });
    closer.closeLater(index2);
    IncrementalIndex index3 = IncrementalIndexTest.createIndex(new AggregatorFactory[] { new LongSumAggregatorFactory("B", "B") });
    closer.closeLater(index3);
    IncrementalIndex index4 = IncrementalIndexTest.createIndex(new AggregatorFactory[] { new LongSumAggregatorFactory("C", "C"), new LongSumAggregatorFactory("A", "A"), new LongSumAggregatorFactory("B", "B") });
    closer.closeLater(index4);
    IncrementalIndex index5 = IncrementalIndexTest.createIndex(new AggregatorFactory[] { new LongSumAggregatorFactory("C", "C"), new LongSumAggregatorFactory("B", "B") });
    closer.closeLater(index5);
    Interval interval = new Interval(DateTimes.EPOCH, DateTimes.nowUtc());
    RoaringBitmapFactory factory = new RoaringBitmapFactory();
    List<IndexableAdapter> toMerge = Arrays.asList(new IncrementalIndexAdapter(interval, index1, factory), new IncrementalIndexAdapter(interval, index2, factory), new IncrementalIndexAdapter(interval, index3, factory), new IncrementalIndexAdapter(interval, index4, factory), new IncrementalIndexAdapter(interval, index5, factory));
    final File tmpDirMerged = temporaryFolder.newFolder();
    File merged = indexMerger.merge(toMerge, true, new AggregatorFactory[] { new LongSumAggregatorFactory("A", "A"), new LongSumAggregatorFactory("B", "B"), new LongSumAggregatorFactory("C", "C"), new LongSumAggregatorFactory("D", "D") }, tmpDirMerged, indexSpec, -1);
    // Since D was not present in any of the indices, it is not present in the output
    final QueryableIndexStorageAdapter adapter = new QueryableIndexStorageAdapter(closer.closeLater(indexIO.loadIndex(merged)));
    Assert.assertEquals(ImmutableSet.of("A", "B", "C"), ImmutableSet.copyOf(adapter.getAvailableMetrics()));
}

Example 5 with RoaringBitmapFactory

use of org.apache.druid.collections.bitmap.RoaringBitmapFactory in project druid by druid-io.

the class ImmutableRTreeTest method testToAndFromByteBufferRoaring.

@Test
public void testToAndFromByteBufferRoaring() {
    BitmapFactory bf = new RoaringBitmapFactory();
    RTree tree = new RTree(2, new LinearGutmanSplitStrategy(0, 50, bf), bf);
    tree.insert(new float[] { 0, 0 }, 1);
    tree.insert(new float[] { 1, 1 }, 2);
    tree.insert(new float[] { 2, 2 }, 3);
    tree.insert(new float[] { 3, 3 }, 4);
    tree.insert(new float[] { 4, 4 }, 5);
    ImmutableRTree firstTree = ImmutableRTree.newImmutableFromMutable(tree);
    ByteBuffer buffer = ByteBuffer.wrap(firstTree.toBytes());
    ImmutableRTree secondTree = new ImmutableRTree(buffer, bf);
    Iterable<ImmutableBitmap> points = secondTree.search(new RadiusBound(new float[] { 0, 0 }, 10));
    ImmutableBitmap finalSet = bf.union(points);
    Assert.assertTrue(finalSet.size() >= 5);
    Set<Integer> expected = Sets.newHashSet(1, 2, 3, 4, 5);
    IntIterator iter = finalSet.iterator();
    while (iter.hasNext()) {
        Assert.assertTrue(expected.contains(iter.next()));
    }
}