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Add broker setting to override default implicit query response limit (#…
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189 changes: 189 additions & 0 deletions
189
...egration-tests/src/test/java/org/apache/pinot/integration/tests/BrokerQueryLimitTest.java
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| /** | ||
| * 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.pinot.integration.tests; | ||
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|
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| import com.fasterxml.jackson.databind.JsonNode; | ||
| import com.google.common.collect.ImmutableList; | ||
| import java.io.File; | ||
| import org.apache.avro.file.DataFileWriter; | ||
| import org.apache.avro.generic.GenericData; | ||
| import org.apache.avro.generic.GenericDatumWriter; | ||
| import org.apache.commons.io.FileUtils; | ||
| import org.apache.pinot.spi.config.table.TableConfig; | ||
| import org.apache.pinot.spi.config.table.TableType; | ||
| import org.apache.pinot.spi.data.FieldSpec; | ||
| import org.apache.pinot.spi.data.Schema; | ||
| import org.apache.pinot.spi.env.PinotConfiguration; | ||
| import org.apache.pinot.spi.utils.CommonConstants; | ||
| import org.apache.pinot.spi.utils.builder.ControllerRequestURLBuilder; | ||
| import org.apache.pinot.spi.utils.builder.TableConfigBuilder; | ||
| import org.apache.pinot.util.TestUtils; | ||
| import org.slf4j.Logger; | ||
| import org.slf4j.LoggerFactory; | ||
| import org.testng.annotations.AfterClass; | ||
| import org.testng.annotations.BeforeClass; | ||
| import org.testng.annotations.Test; | ||
|
|
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| import static org.testng.Assert.assertEquals; | ||
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| // this test uses separate cluster because it needs to change broker configuration | ||
| // which is only done once per suite | ||
| public class BrokerQueryLimitTest extends BaseClusterIntegrationTest { | ||
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| protected static final Logger LOGGER = LoggerFactory.getLogger(BrokerQueryLimitTest.class); | ||
| private static final String LONG_COLUMN = "longCol"; | ||
| public static final int DEFAULT_LIMIT = 5; | ||
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| @Test | ||
| public void testWhenLimitIsNOTSetExplicitlyThenDefaultLimitIsApplied() | ||
| throws Exception { | ||
| setUseMultiStageQueryEngine(false); | ||
| String query = String.format("SELECT %s FROM %s", LONG_COLUMN, getTableName()); | ||
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| JsonNode result = postQuery(query).get("resultTable"); | ||
| JsonNode columnDataTypesNode = result.get("dataSchema").get("columnDataTypes"); | ||
| assertEquals(columnDataTypesNode.get(0).textValue(), "LONG"); | ||
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| JsonNode rows = result.get("rows"); | ||
| assertEquals(rows.size(), DEFAULT_LIMIT); | ||
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| for (int rowNum = 0; rowNum < rows.size(); rowNum++) { | ||
| JsonNode row = rows.get(rowNum); | ||
| assertEquals(row.size(), 1); | ||
| assertEquals(row.get(0).asLong(), rowNum); | ||
| } | ||
| } | ||
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| @Test | ||
| public void testWhenLimitISSetExplicitlyThenDefaultLimitIsNotApplied() | ||
| throws Exception { | ||
| setUseMultiStageQueryEngine(false); | ||
| String query = String.format("SELECT %s FROM %s limit 20", LONG_COLUMN, getTableName()); | ||
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| JsonNode result = postQuery(query).get("resultTable"); | ||
| JsonNode columnDataTypesNode = result.get("dataSchema").get("columnDataTypes"); | ||
| assertEquals(columnDataTypesNode.get(0).textValue(), "LONG"); | ||
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| JsonNode rows = result.get("rows"); | ||
| assertEquals(rows.size(), 20); | ||
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| for (int rowNum = 0; rowNum < rows.size(); rowNum++) { | ||
| JsonNode row = rows.get(rowNum); | ||
| assertEquals(row.size(), 1); | ||
| assertEquals(row.get(0).asLong(), rowNum); | ||
| } | ||
| } | ||
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| @Override | ||
| protected void overrideBrokerConf(PinotConfiguration brokerConf) { | ||
| brokerConf.setProperty(CommonConstants.Broker.CONFIG_OF_BROKER_DEFAULT_QUERY_LIMIT, DEFAULT_LIMIT); | ||
| } | ||
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| @Override | ||
| public String getTableName() { | ||
| return DEFAULT_TABLE_NAME; | ||
| } | ||
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| @Override | ||
| public Schema createSchema() { | ||
| return new Schema.SchemaBuilder().setSchemaName(getTableName()) | ||
| .addSingleValueDimension(LONG_COLUMN, FieldSpec.DataType.LONG) | ||
| .build(); | ||
| } | ||
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| public File createAvroFile() | ||
| throws Exception { | ||
| org.apache.avro.Schema avroSchema = org.apache.avro.Schema.createRecord("myRecord", null, null, false); | ||
| avroSchema.setFields(ImmutableList.of( | ||
| new org.apache.avro.Schema.Field(LONG_COLUMN, org.apache.avro.Schema.create(org.apache.avro.Schema.Type.LONG), | ||
| null, null))); | ||
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| File avroFile = new File(_tempDir, "data.avro"); | ||
| try (DataFileWriter<GenericData.Record> writer = new DataFileWriter<>(new GenericDatumWriter<>(avroSchema))) { | ||
| writer.create(avroSchema, avroFile); | ||
| for (int i = 0; i < getCountStarResult(); i++) { | ||
| GenericData.Record record = new GenericData.Record(avroSchema); | ||
| record.put(LONG_COLUMN, i); | ||
| writer.append(record); | ||
| } | ||
| } | ||
| return avroFile; | ||
| } | ||
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| @BeforeClass | ||
| public void setUp() | ||
| throws Exception { | ||
| LOGGER.warn("Setting up integration test class: {}", getClass().getSimpleName()); | ||
| TestUtils.ensureDirectoriesExistAndEmpty(_tempDir, _segmentDir, _tarDir); | ||
|
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| // Start the Pinot cluster | ||
| startZk(); | ||
| LOGGER.warn("Start Kafka in the integration test class"); | ||
| startKafka(); | ||
| startController(); | ||
| startBroker(); | ||
| startServer(); | ||
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| if (_controllerRequestURLBuilder == null) { | ||
| _controllerRequestURLBuilder = | ||
| ControllerRequestURLBuilder.baseUrl("http://localhost:" + getControllerPort()); | ||
| } | ||
| TestUtils.ensureDirectoriesExistAndEmpty(_tempDir, _segmentDir, _tarDir); | ||
| // create & upload schema AND table config | ||
| Schema schema = createSchema(); | ||
| addSchema(schema); | ||
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| File avroFile = createAvroFile(); | ||
| // create offline table | ||
| TableConfig tableConfig = createOfflineTableConfig(); | ||
| addTableConfig(tableConfig); | ||
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| // create & upload segments | ||
| ClusterIntegrationTestUtils.buildSegmentFromAvro(avroFile, tableConfig, schema, 0, _segmentDir, _tarDir); | ||
| uploadSegments(getTableName(), _tarDir); | ||
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| waitForAllDocsLoaded(60_000); | ||
| LOGGER.warn("Finished setting up integration test class: {}", getClass().getSimpleName()); | ||
| } | ||
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| @AfterClass | ||
| public void tearDown() | ||
| throws Exception { | ||
| LOGGER.warn("Tearing down integration test class: {}", getClass().getSimpleName()); | ||
| dropOfflineTable(getTableName()); | ||
| FileUtils.deleteDirectory(_tempDir); | ||
|
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| // Stop Kafka | ||
| LOGGER.warn("Stop Kafka in the integration test class"); | ||
| stopKafka(); | ||
| // Shutdown the Pinot cluster | ||
| stopServer(); | ||
| stopBroker(); | ||
| stopController(); | ||
| stopZk(); | ||
| FileUtils.deleteDirectory(_tempDir); | ||
| LOGGER.warn("Finished tearing down integration test class: {}", getClass().getSimpleName()); | ||
| } | ||
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| @Override | ||
| public TableConfig createOfflineTableConfig() { | ||
| return new TableConfigBuilder(TableType.OFFLINE).setTableName(getTableName()).build(); | ||
| } | ||
| } |
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