Examples with DynamicFilters io.prestosql.sql.DynamicFilters used on opensource projects

Example 1 with DynamicFilters

use of io.prestosql.sql.DynamicFilters in project hetu-core by openlookeng.

the class TestDynamicFiltersCollector method TestCollectingGlobalDynamicFilters.

@Test
public void TestCollectingGlobalDynamicFilters() throws InterruptedException {
    final QueryId queryId = new QueryId("test_query");
    final String filterId = "1";
    final String columnName = "column";
    final TestingColumnHandle columnHandle = new TestingColumnHandle(columnName);
    final Set<String> valueSet = ImmutableSet.of("1", "2", "3");
    TaskContext taskContext = mock(TaskContext.class);
    Session session = testSessionBuilder().setQueryId(queryId).setSystemProperty(ENABLE_DYNAMIC_FILTERING, "true").setSystemProperty(DYNAMIC_FILTERING_DATA_TYPE, "HASHSET").build();
    when(taskContext.getSession()).thenReturn(session);
    // set up state store and merged dynamic filters map
    Map mockMap = new HashMap<>();
    StateStoreProvider stateStoreProvider = mock(StateStoreProvider.class);
    StateStore stateStore = mock(StateStore.class);
    StateMap stateMap = new MockStateMap<>("test-map", mockMap);
    when(stateStoreProvider.getStateStore()).thenReturn(stateStore);
    when(stateStore.getStateCollection(any())).thenReturn(stateMap);
    when(stateStore.createStateMap(any())).thenReturn(stateMap);
    when(stateStore.getOrCreateStateCollection(any(), any())).thenReturn(stateMap);
    // set up state store listener and dynamic filter cache
    StateStoreListenerManager stateStoreListenerManager = new StateStoreListenerManager(stateStoreProvider);
    DynamicFilterCacheManager dynamicFilterCacheManager = new DynamicFilterCacheManager();
    stateStoreListenerManager.addStateStoreListener(new DynamicFilterListener(dynamicFilterCacheManager), MERGED_DYNAMIC_FILTERS);
    LocalDynamicFiltersCollector collector = new LocalDynamicFiltersCollector(taskContext, Optional.empty(), dynamicFilterCacheManager);
    TableScanNode tableScan = mock(TableScanNode.class);
    when(tableScan.getAssignments()).thenReturn(ImmutableMap.of(new Symbol(columnName), columnHandle));
    List<DynamicFilters.Descriptor> dynamicFilterDescriptors = ImmutableList.of(new DynamicFilters.Descriptor(filterId, new VariableReferenceExpression(columnName, BIGINT)));
    collector.initContext(ImmutableList.of(dynamicFilterDescriptors), SymbolUtils.toLayOut(tableScan.getOutputSymbols()));
    assertTrue(collector.getDynamicFilters(tableScan).isEmpty(), "there should be no dynamic filter available");
    // put some values in state store as a new dynamic filter
    // and wait for the listener to process the event
    stateMap.put(createKey(DynamicFilterUtils.FILTERPREFIX, filterId, queryId.getId()), valueSet);
    TimeUnit.MILLISECONDS.sleep(100);
    // get available dynamic filter and verify it
    List<Map<ColumnHandle, DynamicFilter>> dynamicFilters = collector.getDynamicFilters(tableScan);
    assertEquals(dynamicFilters.size(), 1, "there should be a new dynamic filter");
    assertEquals(dynamicFilters.size(), 1);
    DynamicFilter dynamicFilter = dynamicFilters.get(0).get(columnHandle);
    assertTrue(dynamicFilter instanceof HashSetDynamicFilter, "new dynamic filter should be hashset");
    assertEquals(dynamicFilter.getSize(), valueSet.size(), "new dynamic filter should have correct size");
    for (String value : valueSet) {
        assertTrue(dynamicFilter.contains(value), "new dynamic filter should contain correct values");
    }
    // clean up when task finishes
    collector.removeDynamicFilter(true);
    DynamicFilter cachedFilter = dynamicFilterCacheManager.getDynamicFilter(DynamicFilterCacheManager.createCacheKey(filterId, queryId.getId()));
    assertNull(cachedFilter, "cached dynamic filter should have been removed");
}

Example 2 with DynamicFilters

use of io.prestosql.sql.DynamicFilters in project hetu-core by openlookeng.

the class TestDynamicFilterServiceWithBloomFilter method testRegisterAndMergeDynamicFilters.

@Test
public void testRegisterAndMergeDynamicFilters() throws InterruptedException {
    registerDf(filterId, session, PARTITIONED, dynamicFilterService);
    // Test getDynamicFilterSupplier
    VariableReferenceExpression mockExpression = mock(VariableReferenceExpression.class);
    when(mockExpression.getName()).thenReturn("name");
    ColumnHandle mockColumnHandle = mock(ColumnHandle.class);
    Supplier<List<Set<DynamicFilter>>> dynamicFilterSupplier = DynamicFilterService.getDynamicFilterSupplier(session.getQueryId(), ImmutableList.of(ImmutableList.of(new DynamicFilters.Descriptor(filterId, mockExpression))), ImmutableMap.of(new Symbol("name"), mockColumnHandle));
    assertTrue(dynamicFilterSupplier.get().isEmpty(), "should return empty dynamic filter set when dynamic filters are not available");
    mockLocalDynamicFilter("task1.0", filterId, session.getQueryId().toString(), Arrays.asList("1", "2", "3", "4"));
    mockLocalDynamicFilter("task1.1", filterId, session.getQueryId().toString(), Arrays.asList("5", "6", "7", "8"));
    Thread.sleep(3000);
    BloomFilter bf = fetchDynamicFilter(filterId, session.getQueryId().toString());
    for (int i = 1; i < 9; i++) {
        assertTrue(bf.test((String.valueOf(i).getBytes(StandardCharsets.UTF_8))));
    }
    assertFalse(bf.test("10".getBytes(StandardCharsets.UTF_8)));
    // Test getDynamicFilterSupplier
    dynamicFilterSupplier = DynamicFilterService.getDynamicFilterSupplier(session.getQueryId(), ImmutableList.of(ImmutableList.of(new DynamicFilters.Descriptor(filterId, mockExpression))), ImmutableMap.of(new Symbol("name"), mockColumnHandle));
    List<Set<DynamicFilter>> dynamicFilters = dynamicFilterSupplier.get();
    assertFalse(dynamicFilters == null, "dynamic filters should be ready");
    assertEquals(dynamicFilters.size(), 1, "there should be 1 dynamic filter in supplier");
    DynamicFilter dynamicFilter = dynamicFilters.get(0).iterator().next();
    for (int i = 1; i < 9; i++) {
        assertTrue(dynamicFilter.contains(String.valueOf(i)));
    }
    assertFalse(dynamicFilter.contains("10"));
    dynamicFilterSupplier = DynamicFilterService.getDynamicFilterSupplier(new QueryId("invalid"), ImmutableList.of(ImmutableList.of(new DynamicFilters.Descriptor(filterId, mockExpression))), ImmutableMap.of(new Symbol("name"), mockColumnHandle));
    assertTrue(dynamicFilterSupplier.get().isEmpty(), "should return empty dynamic filter set for invalid or non-existing queryId");
    String queryId = session.getQueryId().getId();
    assertEquals(stateStoreProvider.getStateStore().getStateCollection(createKey(DynamicFilterUtils.PARTIALPREFIX, filterId, queryId)).size(), 2);
    assertEquals(stateStoreProvider.getStateStore().getStateCollection(createKey(DynamicFilterUtils.TASKSPREFIX, filterId, queryId)).size(), 2);
    dynamicFilterService.clearDynamicFiltersForQuery(queryId);
    Thread.sleep(1000);
    assertEquals(stateStoreProvider.getStateStore().getStateCollection(createKey(DynamicFilterUtils.PARTIALPREFIX, filterId, queryId)).size(), 0);
    assertEquals(stateStoreProvider.getStateStore().getStateCollection(createKey(DynamicFilterUtils.TASKSPREFIX, filterId, queryId)).size(), 0);
}

Example 3 with DynamicFilters

use of io.prestosql.sql.DynamicFilters in project hetu-core by openlookeng.

the class TestDynamicFilterServiceWithHashSet method testRegisterAndMergeDynamicFiltersHashSet.

@Test
public void testRegisterAndMergeDynamicFiltersHashSet() throws InterruptedException {
    setUpHashSet();
    filterId = "df2";
    registerDf(filterId, session, PARTITIONED, dynamicFilterService);
    // Test getDynamicFilterSupplier
    VariableReferenceExpression mockExpression = mock(VariableReferenceExpression.class);
    when(mockExpression.getName()).thenReturn("name");
    ColumnHandle mockColumnHandle = mock(ColumnHandle.class);
    Supplier<List<Set<DynamicFilter>>> dynamicFilterSupplier = DynamicFilterService.getDynamicFilterSupplier(session.getQueryId(), ImmutableList.of(ImmutableList.of(new DynamicFilters.Descriptor(filterId, mockExpression))), ImmutableMap.of(new Symbol("name"), mockColumnHandle));
    assertTrue(dynamicFilterSupplier.get().isEmpty(), "should return empty dynamic filter set when dynamic filters are not available");
    mockLocalDynamicFilterHashSet("task1.0", filterId, session.getQueryId().toString(), Arrays.asList("11", "12", "13", "14"));
    mockLocalDynamicFilterHashSet("task1.1", filterId, session.getQueryId().toString(), Arrays.asList("15", "16", "17", "18"));
    Thread.sleep(2000);
    Set hs = fetchDynamicFilterHashSet(filterId, session.getQueryId().toString());
    for (int i = 11; i < 19; i++) {
        Assert.assertEquals(true, hs.contains(i + ""));
    }
    Assert.assertEquals(false, hs.contains("10"));
    // Test getDynamicFilterSupplier
    dynamicFilterSupplier = DynamicFilterService.getDynamicFilterSupplier(session.getQueryId(), ImmutableList.of(ImmutableList.of(new DynamicFilters.Descriptor(filterId, mockExpression))), ImmutableMap.of(new Symbol("name"), mockColumnHandle));
    List<Set<DynamicFilter>> dynamicFilters = dynamicFilterSupplier.get();
    assertFalse(dynamicFilters == null, "dynamic filters should be ready");
    assertEquals(dynamicFilters.size(), 1, "there should be 1 dynamic filter in supplier");
    HashSetDynamicFilter hsDF = ((HashSetDynamicFilter) dynamicFilters.get(0).toArray()[0]);
    assertEquals(hs, hsDF.getSetValues(), "dynamic filter in supplier should be the same as the one merged");
    dynamicFilterSupplier = DynamicFilterService.getDynamicFilterSupplier(new QueryId("invalid"), ImmutableList.of(ImmutableList.of(new DynamicFilters.Descriptor(filterId, mockExpression))), ImmutableMap.of(new Symbol("name"), mockColumnHandle));
    assertTrue(dynamicFilterSupplier.get().isEmpty(), "should return empty dynamic filter set for invalid or non-existing queryId");
    String queryId = session.getQueryId().getId();
    assertEquals(stateStoreProvider.getStateStore().getStateCollection(createKey(DynamicFilterUtils.PARTIALPREFIX, filterId, queryId)).size(), 2);
    assertEquals(stateStoreProvider.getStateStore().getStateCollection(createKey(DynamicFilterUtils.TASKSPREFIX, filterId, queryId)).size(), 2);
    dynamicFilterService.clearDynamicFiltersForQuery(queryId);
    Thread.sleep(1000);
    assertEquals(stateStoreProvider.getStateStore().getStateCollection(createKey(DynamicFilterUtils.PARTIALPREFIX, filterId, queryId)).size(), 0);
    assertEquals(stateStoreProvider.getStateStore().getStateCollection(createKey(DynamicFilterUtils.TASKSPREFIX, filterId, queryId)).size(), 0);
}

Example 4 with DynamicFilters

use of io.prestosql.sql.DynamicFilters in project hetu-core by openlookeng.

the class DynamicFilterService method extractSourceExpressionSymbols.

private static Map<String, Symbol> extractSourceExpressionSymbols(List<DynamicFilters.Descriptor> dynamicFilters) {
    ImmutableMap.Builder<String, Symbol> resultBuilder = ImmutableMap.builder();
    for (DynamicFilters.Descriptor descriptor : dynamicFilters) {
        RowExpression expression = descriptor.getInput();
        // Extract the column symbols from CAST expressions
        while (expression instanceof CallExpression) {
            expression = ((CallExpression) expression).getArguments().get(0);
        }
        if (!(expression instanceof VariableReferenceExpression)) {
            continue;
        }
        resultBuilder.put(descriptor.getId(), new Symbol(((VariableReferenceExpression) expression).getName()));
    }
    return resultBuilder.build();
}