Examples with Query io.druid.query.Query used on opensource projects

Example 26 with Query

use of io.druid.query.Query in project druid by druid-io.

the class CachingQueryRunnerTest method testUseCache.

private void testUseCache(List<Result> expectedResults, Query query, QueryToolChest toolchest) throws Exception {
    DefaultObjectMapper objectMapper = new DefaultObjectMapper();
    String segmentIdentifier = "segment";
    SegmentDescriptor segmentDescriptor = new SegmentDescriptor(new Interval("2011/2012"), "version", 0);
    CacheStrategy cacheStrategy = toolchest.getCacheStrategy(query);
    Cache.NamedKey cacheKey = CacheUtil.computeSegmentCacheKey(segmentIdentifier, segmentDescriptor, cacheStrategy.computeCacheKey(query));
    Cache cache = MapCache.create(1024 * 1024);
    CacheUtil.populate(cache, objectMapper, cacheKey, Iterables.transform(expectedResults, cacheStrategy.prepareForCache()));
    CachingQueryRunner runner = new CachingQueryRunner(segmentIdentifier, segmentDescriptor, objectMapper, cache, toolchest, // return an empty sequence since results should get pulled from cache
    new QueryRunner() {

        @Override
        public Sequence run(Query query, Map responseContext) {
            return Sequences.empty();
        }
    }, backgroundExecutorService, new CacheConfig() {

        @Override
        public boolean isPopulateCache() {
            return true;
        }

        @Override
        public boolean isUseCache() {
            return true;
        }
    });
    HashMap<String, Object> context = new HashMap<String, Object>();
    List<Result> results = Sequences.toList(runner.run(query, context), new ArrayList());
    Assert.assertEquals(expectedResults.toString(), results.toString());
}

Example 27 with Query

use of io.druid.query.Query in project druid by druid-io.

the class AggregationTestHelper method makeStringSerdeQueryRunner.

public QueryRunner<Row> makeStringSerdeQueryRunner(final ObjectMapper mapper, final QueryToolChest toolChest, final Query<Row> query, final QueryRunner<Row> baseRunner) {
    return new QueryRunner<Row>() {

        @Override
        public Sequence<Row> run(Query<Row> query, Map<String, Object> map) {
            try {
                Sequence<Row> resultSeq = baseRunner.run(query, Maps.<String, Object>newHashMap());
                final Yielder yielder = resultSeq.toYielder(null, new YieldingAccumulator() {

                    @Override
                    public Object accumulate(Object accumulated, Object in) {
                        yield();
                        return in;
                    }
                });
                String resultStr = mapper.writer().writeValueAsString(yielder);
                TypeFactory typeFactory = mapper.getTypeFactory();
                JavaType baseType = typeFactory.constructType(toolChest.getResultTypeReference());
                List resultRows = Lists.transform(readQueryResultArrayFromString(resultStr), toolChest.makePreComputeManipulatorFn(query, MetricManipulatorFns.deserializing()));
                return Sequences.simple(resultRows);
            } catch (Exception ex) {
                throw Throwables.propagate(ex);
            }
        }
    };
}

Example 28 with Query

use of io.druid.query.Query in project druid by druid-io.

the class QueryResourceTest method testDenySecuredGetServer.

@Test(timeout = 60_000L)
public void testDenySecuredGetServer() throws Exception {
    final CountDownLatch waitForCancellationLatch = new CountDownLatch(1);
    final CountDownLatch waitFinishLatch = new CountDownLatch(2);
    final CountDownLatch startAwaitLatch = new CountDownLatch(1);
    EasyMock.expect(testServletRequest.getAttribute(EasyMock.anyString())).andReturn(new AuthorizationInfo() {

        @Override
        public Access isAuthorized(Resource resource, Action action) {
            // WRITE corresponds to cancellation of query
            if (action.equals(Action.READ)) {
                try {
                    waitForCancellationLatch.await();
                } catch (InterruptedException e) {
                    Throwables.propagate(e);
                }
                return new Access(true);
            } else {
                // Deny access to cancel the query
                return new Access(false);
            }
        }
    }).times(2);
    EasyMock.replay(testServletRequest);
    queryResource = new QueryResource(warehouse, serverConfig, jsonMapper, jsonMapper, testSegmentWalker, new NoopServiceEmitter(), new NoopRequestLogger(), queryManager, new AuthConfig(true));
    final String queryString = "{\"queryType\":\"timeBoundary\", \"dataSource\":\"allow\"," + "\"context\":{\"queryId\":\"id_1\"}}";
    ObjectMapper mapper = new DefaultObjectMapper();
    Query query = mapper.readValue(queryString, Query.class);
    ListenableFuture future = MoreExecutors.listeningDecorator(Execs.singleThreaded("test_query_resource_%s")).submit(new Runnable() {

        @Override
        public void run() {
            try {
                startAwaitLatch.countDown();
                Response response = queryResource.doPost(new ByteArrayInputStream(queryString.getBytes("UTF-8")), null, testServletRequest);
                Assert.assertEquals(Response.Status.OK.getStatusCode(), response.getStatus());
            } catch (IOException e) {
                Throwables.propagate(e);
            }
            waitFinishLatch.countDown();
        }
    });
    queryManager.registerQuery(query, future);
    startAwaitLatch.await();
    Executors.newSingleThreadExecutor().submit(new Runnable() {

        @Override
        public void run() {
            Response response = queryResource.getServer("id_1", testServletRequest);
            Assert.assertEquals(Response.Status.FORBIDDEN.getStatusCode(), response.getStatus());
            waitForCancellationLatch.countDown();
            waitFinishLatch.countDown();
        }
    });
    waitFinishLatch.await();
}

Example 29 with Query

use of io.druid.query.Query in project druid by druid-io.

the class QueryResourceTest method testSecuredGetServer.

@Test(timeout = 60_000L)
public void testSecuredGetServer() throws Exception {
    final CountDownLatch waitForCancellationLatch = new CountDownLatch(1);
    final CountDownLatch waitFinishLatch = new CountDownLatch(2);
    final CountDownLatch startAwaitLatch = new CountDownLatch(1);
    final CountDownLatch cancelledCountDownLatch = new CountDownLatch(1);
    EasyMock.expect(testServletRequest.getAttribute(EasyMock.anyString())).andReturn(new AuthorizationInfo() {

        @Override
        public Access isAuthorized(Resource resource, Action action) {
            // WRITE corresponds to cancellation of query
            if (action.equals(Action.READ)) {
                try {
                    // Countdown startAwaitLatch as we want query cancellation to happen
                    // after we enter isAuthorized method so that we can handle the
                    // InterruptedException here because of query cancellation
                    startAwaitLatch.countDown();
                    waitForCancellationLatch.await();
                } catch (InterruptedException e) {
                    // When the query is cancelled the control will reach here,
                    // countdown the latch and rethrow the exception so that error response is returned for the query
                    cancelledCountDownLatch.countDown();
                    Throwables.propagate(e);
                }
                return new Access(true);
            } else {
                return new Access(true);
            }
        }
    }).times(2);
    EasyMock.replay(testServletRequest);
    queryResource = new QueryResource(warehouse, serverConfig, jsonMapper, jsonMapper, testSegmentWalker, new NoopServiceEmitter(), new NoopRequestLogger(), queryManager, new AuthConfig(true));
    final String queryString = "{\"queryType\":\"timeBoundary\", \"dataSource\":\"allow\"," + "\"context\":{\"queryId\":\"id_1\"}}";
    ObjectMapper mapper = new DefaultObjectMapper();
    Query query = mapper.readValue(queryString, Query.class);
    ListenableFuture future = MoreExecutors.listeningDecorator(Execs.singleThreaded("test_query_resource_%s")).submit(new Runnable() {

        @Override
        public void run() {
            try {
                Response response = queryResource.doPost(new ByteArrayInputStream(queryString.getBytes("UTF-8")), null, testServletRequest);
                Assert.assertEquals(Response.Status.INTERNAL_SERVER_ERROR.getStatusCode(), response.getStatus());
            } catch (IOException e) {
                Throwables.propagate(e);
            }
            waitFinishLatch.countDown();
        }
    });
    queryManager.registerQuery(query, future);
    startAwaitLatch.await();
    Executors.newSingleThreadExecutor().submit(new Runnable() {

        @Override
        public void run() {
            Response response = queryResource.getServer("id_1", testServletRequest);
            Assert.assertEquals(Response.Status.ACCEPTED.getStatusCode(), response.getStatus());
            waitForCancellationLatch.countDown();
            waitFinishLatch.countDown();
        }
    });
    waitFinishLatch.await();
    cancelledCountDownLatch.await();
}

Example 30 with Query

use of io.druid.query.Query in project druid by druid-io.

the class GroupByQueryRunnerTest method testPostAggMergedHavingSpec.

@Test
public void testPostAggMergedHavingSpec() {
    List<Row> expectedResults = Arrays.asList(GroupByQueryRunnerTestHelper.createExpectedRow("2011-04-01", "alias", "mezzanine", "rows", 6L, "index", 4420L, QueryRunnerTestHelper.addRowsIndexConstantMetric, (double) (6L + 4420L + 1L)), GroupByQueryRunnerTestHelper.createExpectedRow("2011-04-01", "alias", "premium", "rows", 6L, "index", 4416L, QueryRunnerTestHelper.addRowsIndexConstantMetric, (double) (6L + 4416L + 1L)));
    GroupByQuery.Builder builder = GroupByQuery.builder().setDataSource(QueryRunnerTestHelper.dataSource).setInterval("2011-04-02/2011-04-04").setDimensions(Lists.<DimensionSpec>newArrayList(new DefaultDimensionSpec("quality", "alias"))).setAggregatorSpecs(Arrays.asList(QueryRunnerTestHelper.rowsCount, new LongSumAggregatorFactory("index", "index"))).setPostAggregatorSpecs(ImmutableList.<PostAggregator>of(QueryRunnerTestHelper.addRowsIndexConstant)).setGranularity(new PeriodGranularity(new Period("P1M"), null, null)).setHavingSpec(new OrHavingSpec(ImmutableList.<HavingSpec>of(new GreaterThanHavingSpec(QueryRunnerTestHelper.addRowsIndexConstantMetric, 1000L))));
    final GroupByQuery fullQuery = builder.build();
    QueryRunner mergedRunner = factory.getToolchest().mergeResults(new QueryRunner<Row>() {

        @Override
        public Sequence<Row> run(Query<Row> query, Map<String, Object> responseContext) {
            // simulate two daily segments
            final Query query1 = query.withQuerySegmentSpec(new MultipleIntervalSegmentSpec(Lists.newArrayList(new Interval("2011-04-02/2011-04-03"))));
            final Query query2 = query.withQuerySegmentSpec(new MultipleIntervalSegmentSpec(Lists.newArrayList(new Interval("2011-04-03/2011-04-04"))));
            return new MergeSequence(query.getResultOrdering(), Sequences.simple(Arrays.asList(runner.run(query1, responseContext), runner.run(query2, responseContext))));
        }
    });
    Map<String, Object> context = Maps.newHashMap();
    TestHelper.assertExpectedObjects(expectedResults, mergedRunner.run(fullQuery, context), "merged");
}