kfaraz commented on code in PR #18818: URL: https://github.com/apache/druid/pull/18818#discussion_r2601096056
########## embedded-tests/src/test/java/org/apache/druid/testing/embedded/indexing/NestedDataFormatsTest.java: ########## @@ -0,0 +1,146 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ + +package org.apache.druid.testing.embedded.indexing; + +import com.fasterxml.jackson.core.type.TypeReference; +import org.apache.druid.indexing.common.task.TaskBuilder; +import org.apache.druid.java.util.common.jackson.JacksonUtils; +import org.apache.druid.query.http.ClientSqlQuery; +import org.apache.druid.segment.IndexSpec; +import org.apache.druid.segment.TestDataSource; +import org.apache.druid.segment.TestHelper; +import org.apache.druid.segment.nested.NestedCommonFormatColumnFormatSpec; +import org.apache.druid.segment.nested.ObjectStorageEncoding; +import org.apache.druid.testing.embedded.EmbeddedBroker; +import org.apache.druid.testing.embedded.EmbeddedClusterApis; +import org.apache.druid.testing.embedded.EmbeddedCoordinator; +import org.apache.druid.testing.embedded.EmbeddedDruidCluster; +import org.apache.druid.testing.embedded.EmbeddedHistorical; +import org.apache.druid.testing.embedded.EmbeddedIndexer; +import org.apache.druid.testing.embedded.EmbeddedOverlord; +import org.apache.druid.testing.embedded.EmbeddedRouter; +import org.apache.druid.testing.embedded.junit5.EmbeddedClusterTestBase; +import org.junit.jupiter.api.Assertions; +import org.junit.jupiter.api.BeforeAll; +import org.junit.jupiter.api.Test; + +import java.nio.charset.StandardCharsets; +import java.util.List; +import java.util.Map; + +/** + * Embedded tests for nested data, ingested in different {@link NestedCommonFormatColumnFormatSpec}. + */ +public class NestedDataFormatsTest extends EmbeddedClusterTestBase +{ + private final EmbeddedBroker broker = new EmbeddedBroker(); + private final EmbeddedOverlord overlord = new EmbeddedOverlord(); + private final EmbeddedCoordinator coordinator = new EmbeddedCoordinator(); + + private final String defaultFormat = "koala_default"; + + @Override + protected EmbeddedDruidCluster createCluster() + { + return EmbeddedDruidCluster.withEmbeddedDerbyAndZookeeper() + .useLatchableEmitter() + .useDefaultTimeoutForLatchableEmitter(60) + .addServer(overlord) + .addServer(coordinator) + .addServer(new EmbeddedIndexer()) + .addServer(new EmbeddedHistorical()) + .addServer(broker) + .addServer(new EmbeddedRouter()); + } + + @BeforeAll + protected void ingestWithDefaultFormat() throws Exception + { + final TaskBuilder.IndexParallel indexTask = + TaskBuilder.ofTypeIndexParallel() + .dataSource(defaultFormat) + .timestampColumn("timestamp") + .jsonInputFormat() + .inputSource(Resources.HttpData.kttm1Day()) + .schemaDiscovery(); + + final String taskId = EmbeddedClusterApis.newTaskId(defaultFormat); + cluster.callApi().runTask(indexTask.withId(taskId), overlord); + cluster.callApi().waitForAllSegmentsToBeAvailable(defaultFormat, coordinator, broker); + } + + @Test + public void test_objectStorageEncoding() + { + // Ingest kttm data with skipping smile raw json format, comparing diff with defaultFormat + NestedCommonFormatColumnFormatSpec spec = + NestedCommonFormatColumnFormatSpec.builder().setObjectStorageEncoding(ObjectStorageEncoding.NONE).build(); + final TaskBuilder.IndexParallel indexTask = + TaskBuilder.ofTypeIndexParallel() + .dataSource(dataSource) + .timestampColumn("timestamp") + .jsonInputFormat() + .inputSource(Resources.HttpData.kttm1Day()) + .schemaDiscovery() + .tuningConfig(t -> t.withIndexSpec(IndexSpec.builder().withAutoColumnFormatSpec(spec).build())); + final String taskId = EmbeddedClusterApis.newTaskId(dataSource); + cluster.callApi().runTask(indexTask.withId(taskId), overlord); + cluster.callApi().waitForAllSegmentsToBeAvailable(dataSource, coordinator, broker); + + final String resultAsJson = + cluster.callApi().onAnyBroker(b -> b.submitSqlQuery(ClientSqlQuery.simple("select * from sys.segments"))); + List<Map<String, Object>> result = JacksonUtils.readValue( + TestHelper.JSON_MAPPER, + resultAsJson.getBytes(StandardCharsets.UTF_8), + new TypeReference<>() + { + } + ); + Map<String, Object> defaultFormatResult = + result.stream().filter(map -> defaultFormat.equals(map.get("datasource"))).findFirst().get(); + Map<String, Object> noneObjectStorageFormatResult = + result.stream().filter(map -> dataSource.equals(map.get("datasource"))).findFirst().get(); + // Test ingesting with skipping raw json smile format works, same row count, with ~20% storage saving + Assertions.assertEquals(465_346, defaultFormatResult.get("num_rows")); + Assertions.assertEquals(53_000_804, defaultFormatResult.get("size")); + Assertions.assertEquals(465_346, noneObjectStorageFormatResult.get("num_rows")); + Assertions.assertEquals(41_938_750, noneObjectStorageFormatResult.get("size")); + + // Test querying on a nested field works + final String groupByQuery = "select json_value(event, '$.type') as event_type, count(*) as total from %s group by 1 order by 2 desc, 1 asc limit 10"; + final String queryResultDefaultFormat = cluster.callApi().runSql(groupByQuery, defaultFormat); + final String queryResultNoneObjectStorage = cluster.callApi().runSql(groupByQuery, dataSource); + Assertions.assertEquals(queryResultDefaultFormat, queryResultNoneObjectStorage); + + // Test reconstruct json column works, the ordering of the fields has changed, but all values are perserved. + final String scanQuery = "select event, to_json_string(agent) as agent from %s where json_value(event, '$.type') = 'PercentClear' and json_value(agent, '$.os') = 'Android' order by __time asc limit 1"; + final String scanQueryResultDefaultFormat = cluster.callApi().runSql(scanQuery, defaultFormat); + final String scanQueryResultNoneObjectStorage = cluster.callApi().runSql(scanQuery, dataSource); + // CHECKSTYLE: text blocks not supported in current Checkstyle version Review Comment: Okay, thanks for the details. I think you can also use `// CHECKSTYLE.OFF` to turn off checkstyle without having to exclude the entire file in pom. e.g. see `StringUtils` class. -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected] --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
