Examples with DynamicFilter io.prestosql.spi.dynamicfilter.DynamicFilter used on opensource projects

Example 21 with DynamicFilter

use of io.prestosql.spi.dynamicfilter.DynamicFilter in project hetu-core by openlookeng.

the class TestHiveUtil method testIsPartitionFilteredWithNonPartitionFilter.

@Test
public void testIsPartitionFilteredWithNonPartitionFilter() {
    TypeManager typeManager = new TestingTypeManager();
    Set<DynamicFilter> dynamicFilters = new HashSet<>();
    List<HivePartitionKey> partitions = new ArrayList<>();
    partitions.add(new HivePartitionKey("pt_d", "0"));
    partitions.add(new HivePartitionKey("app_id", "10000"));
    ColumnHandle nameColumn = new HiveColumnHandle("name", HIVE_STRING, parseTypeSignature(VARCHAR), 0, REGULAR, Optional.empty());
    Set nameFilter = new HashSet();
    nameFilter.add("Alice");
    dynamicFilters.add(new HashSetDynamicFilter("1", nameColumn, nameFilter, DynamicFilter.Type.GLOBAL));
    assertFalse(isPartitionFiltered(partitions, ImmutableList.of(dynamicFilters), typeManager), "Should not filter partition if dynamicFilter is on non-partition column");
}

Example 22 with DynamicFilter

use of io.prestosql.spi.dynamicfilter.DynamicFilter in project hetu-core by openlookeng.

the class DynamicFilterListener method transformDynamicFilter.

private Optional<DynamicFilter> transformDynamicFilter(String cacheKey, Object newDynamicFilter) {
    String filterId = cacheKey.split("-")[0];
    // Global dynamic filters
    if (newDynamicFilter == null) {
        LOG.warn("DynamicFilter added to StateStore is null.");
        return Optional.empty();
    }
    DynamicFilter dynamicFilter = null;
    if (newDynamicFilter instanceof Set) {
        dynamicFilter = DynamicFilterFactory.create(filterId, null, (Set<?>) newDynamicFilter, GLOBAL);
        LOG.debug("Got new HashSet DynamicFilter from state store: " + filterId + ", size: " + dynamicFilter.getSize());
    } else if (newDynamicFilter instanceof byte[]) {
        dynamicFilter = DynamicFilterFactory.create(filterId, null, (byte[]) newDynamicFilter, GLOBAL);
        LOG.debug("Got new BloomFilter DynamicFilter from state store: " + filterId + ", size: " + dynamicFilter.getSize());
    }
    return dynamicFilter == null ? Optional.empty() : Optional.of(dynamicFilter);
}

Example 23 with DynamicFilter

use of io.prestosql.spi.dynamicfilter.DynamicFilter in project hetu-core by openlookeng.

the class LocalDynamicFiltersCollector method getDynamicFilters.

/**
 * This function returns the bloom filters fetched from the state store. To prevent excessive reads from state store,
 * it caches fetched bloom filters for re-use
 *
 * @param tableScan TableScanNode that has DynamicFilter applied
 * @return ColumnHandle to DynamicFilter mapping that contains any DynamicFilter that are ready for use
 */
List<Map<ColumnHandle, DynamicFilter>> getDynamicFilters(TableScanNode tableScan) {
    Map<Symbol, ColumnHandle> assignments = tableScan.getAssignments();
    // Skips symbols irrelevant to this table scan node.
    Set<String> columnNames = new HashSet<>();
    List<Map<ColumnHandle, DynamicFilter>> resultList = new ArrayList<>();
    for (int i = 0; i < context.getDisjunctSize(); i++) {
        Map<ColumnHandle, DynamicFilter> result = new HashMap<ColumnHandle, DynamicFilter>();
        for (Map.Entry<Symbol, ColumnHandle> entry : assignments.entrySet()) {
            final Symbol columnSymbol = entry.getKey();
            final ColumnHandle columnHandle = entry.getValue();
            try {
                columnNames.add(columnHandle.getColumnName());
            } catch (NotImplementedException e) {
            // ignore this exception, maybe some implementation class not implement the default method.
            }
            final List<String> filterIds = context.getId(columnSymbol, i);
            if (filterIds == null || filterIds.isEmpty()) {
                continue;
            }
            for (String filterId : filterIds) {
                // Try to get dynamic filter from local cache first
                String cacheKey = createCacheKey(filterId, queryId);
                DynamicFilter cachedDynamicFilter = cachedDynamicFilters.get(filterId);
                if (cachedDynamicFilter == null) {
                    cachedDynamicFilter = dynamicFilterCacheManager.getDynamicFilter(cacheKey);
                }
                if (cachedDynamicFilter != null) {
                    // Combine multiple dynamic filters for same column handle
                    DynamicFilter dynamicFilter = result.get(columnHandle);
                    // Same dynamic filter might be referred in multiple table scans for different columns due multi table joins.
                    // So clone before setting the columnHandle to avoid race in setting the columnHandle.
                    cachedDynamicFilter = cachedDynamicFilter.clone();
                    cachedDynamicFilter.setColumnHandle(columnHandle);
                    if (dynamicFilter == null) {
                        dynamicFilter = cachedDynamicFilter;
                    } else {
                        dynamicFilter = DynamicFilterFactory.combine(columnHandle, dynamicFilter, cachedDynamicFilter);
                    }
                    dynamicFilter.setColumnHandle(columnHandle);
                    result.put(columnHandle, dynamicFilter);
                    continue;
                }
                // Local dynamic filters
                if (predicates.containsKey(filterId)) {
                    Optional<RowExpression> filter = context.getFilter(filterId, i);
                    Optional<Predicate<List>> filterPredicate = DynamicFilters.createDynamicFilterPredicate(filter);
                    DynamicFilter dynamicFilter = DynamicFilterFactory.create(filterId, columnHandle, predicates.get(filterId), LOCAL, filterPredicate, filter);
                    cachedDynamicFilters.put(filterId, dynamicFilter);
                    result.put(columnHandle, dynamicFilter);
                }
            }
        }
        if (!result.isEmpty()) {
            resultList.add(result);
        }
    }
    if (isCrossRegionDynamicFilterEnabled(session)) {
        if (!metadataOptional.isPresent()) {
            return resultList;
        }
        // check the tableScan is a dc connector table,if a dc table, should consider push down the cross region bloom filter to next cluster
        if (!DataCenterUtility.isDCCatalog(metadataOptional.get(), tableScan.getTable().getCatalogName().getCatalogName())) {
            return resultList;
        }
        // stateMap, key is dc-connector-table column name, value is bloomFilter bytes
        Map<String, byte[]> newBloomFilterFromStateStoreCache = dynamicFilterCacheManager.getBloomFitler(session.getQueryId().getId() + CROSS_LAYER_DYNAMIC_FILTER);
        if (newBloomFilterFromStateStoreCache == null) {
            return resultList;
        }
        // check tableScan contains the stateMap.key, if contains, should push the filter to next cluster
        for (Map.Entry<String, byte[]> entry : newBloomFilterFromStateStoreCache.entrySet()) {
            if (!columnNames.contains(entry.getKey())) {
                continue;
            }
            ColumnHandle columnHandle = new ColumnHandle() {

                @Override
                public String getColumnName() {
                    return entry.getKey();
                }
            };
            BloomFilterDynamicFilter newBloomDynamicFilter = new BloomFilterDynamicFilter("", columnHandle, entry.getValue(), GLOBAL);
            for (Map<ColumnHandle, DynamicFilter> result : resultList) {
                if (result.keySet().contains(entry.getKey())) {
                    DynamicFilter existsFilter = result.get(entry.getKey());
                    if (existsFilter instanceof BloomFilterDynamicFilter) {
                        BloomFilter existsBloomFilter = ((BloomFilterDynamicFilter) existsFilter).getBloomFilterDeserialized();
                        existsBloomFilter.merge(newBloomDynamicFilter.getBloomFilterDeserialized());
                        DynamicFilter newDynamicFilter = new BloomFilterDynamicFilter(existsFilter.getFilterId(), columnHandle, existsBloomFilter, GLOBAL);
                        result.put(columnHandle, newDynamicFilter);
                    }
                } else {
                    result.put(columnHandle, newBloomDynamicFilter);
                }
            }
        }
    }
    if (resultList.size() != context.getDisjunctSize()) {
        return ImmutableList.of();
    }
    return resultList;
}

Example 24 with DynamicFilter

use of io.prestosql.spi.dynamicfilter.DynamicFilter in project hetu-core by openlookeng.

the class DataCenterPageSource method applyDynamicFilters.

private void applyDynamicFilters(Map<ColumnHandle, DynamicFilter> dynamicFilters) {
    ImmutableMap.Builder<String, byte[]> builder = new ImmutableMap.Builder();
    for (Map.Entry<ColumnHandle, DynamicFilter> entry : dynamicFilters.entrySet()) {
        if (!appliedDynamicFilters.contains(entry.getKey().getColumnName())) {
            DynamicFilter df = entry.getValue();
            String columnName = entry.getKey().getColumnName();
            if (df instanceof HashSetDynamicFilter) {
                // FIXME: Read fpp from config
                BloomFilterDynamicFilter bloomFilterDynamicFilter = BloomFilterDynamicFilter.fromHashSetDynamicFilter((HashSetDynamicFilter) df);
                builder.put(columnName, bloomFilterDynamicFilter.createSerializedBloomFilter());
            } else if (df instanceof CombinedDynamicFilter) {
                BloomFilterDynamicFilter bloomFilterDynamicFilter = BloomFilterDynamicFilter.fromCombinedDynamicFilter((CombinedDynamicFilter) df);
                if (bloomFilterDynamicFilter != null) {
                    builder.put(columnName, bloomFilterDynamicFilter.createSerializedBloomFilter());
                }
            } else if (df instanceof BloomFilterDynamicFilter) {
                builder.put(columnName, ((BloomFilterDynamicFilter) df).getBloomFilterSerialized());
            } else {
                LOGGER.info("Dynamic Filter (type: " + df.getClass().getSimpleName() + ") skipped for DC connector");
            }
        }
    }
    Map<String, byte[]> newDynamicFilters = builder.build();
    if (!newDynamicFilters.isEmpty()) {
        if (client.applyDynamicFilters(newDynamicFilters)) {
            appliedDynamicFilters.addAll(newDynamicFilters.keySet());
        }
    }
}

Example 25 with DynamicFilter

use of io.prestosql.spi.dynamicfilter.DynamicFilter in project hetu-core by openlookeng.

the class TestDynamicFilterCacheManager method testCacheAndRemoveDynamicFilters.

@Test
public void testCacheAndRemoveDynamicFilters() {
    DynamicFilterCacheManager cacheManager = new DynamicFilterCacheManager();
    String filterKey1 = createCacheKey("filter1", "query");
    DynamicFilter filter1 = mock(DynamicFilter.class);
    TaskId taskId = new TaskId("task1");
    cacheManager.registerTask(filterKey1, taskId);
    cacheManager.cacheDynamicFilter(filterKey1, filter1);
    assertEquals(cacheManager.getDynamicFilter(filterKey1), filter1, "filter1 should be cached");
    cacheManager.removeDynamicFilter(filterKey1, taskId);
    assertNull(cacheManager.getDynamicFilter(filterKey1), "filter1 should be removed");
}