| /* |
| * 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.iotdb.db.query.reader.series; |
| |
| import org.apache.iotdb.db.engine.querycontext.QueryDataSource; |
| import org.apache.iotdb.db.engine.storagegroup.TsFileResource; |
| import org.apache.iotdb.db.exception.metadata.IllegalPathException; |
| import org.apache.iotdb.db.exception.metadata.MetadataException; |
| import org.apache.iotdb.db.exception.query.QueryProcessException; |
| import org.apache.iotdb.db.metadata.PartialPath; |
| import org.apache.iotdb.db.query.aggregation.AggregateResult; |
| import org.apache.iotdb.db.query.context.QueryContext; |
| import org.apache.iotdb.db.query.factory.AggregateResultFactory; |
| import org.apache.iotdb.tsfile.exception.write.WriteProcessException; |
| import org.apache.iotdb.tsfile.file.metadata.enums.TSDataType; |
| import org.apache.iotdb.tsfile.file.metadata.statistics.Statistics; |
| import org.apache.iotdb.tsfile.read.common.BatchData; |
| import org.apache.iotdb.tsfile.write.schema.MeasurementSchema; |
| |
| import org.junit.After; |
| import org.junit.Before; |
| import org.junit.Test; |
| |
| import java.io.IOException; |
| import java.util.ArrayList; |
| import java.util.HashSet; |
| import java.util.List; |
| import java.util.Set; |
| |
| import static org.junit.Assert.*; |
| |
| public class SeriesAggregateReaderTest { |
| |
| private static final String SERIES_READER_TEST_SG = "root.seriesReaderTest"; |
| private List<String> deviceIds = new ArrayList<>(); |
| private List<MeasurementSchema> measurementSchemas = new ArrayList<>(); |
| |
| private List<TsFileResource> seqResources = new ArrayList<>(); |
| private List<TsFileResource> unseqResources = new ArrayList<>(); |
| |
| @Before |
| public void setUp() throws MetadataException, IOException, WriteProcessException { |
| SeriesReaderTestUtil.setUp(measurementSchemas, deviceIds, seqResources, unseqResources); |
| } |
| |
| @After |
| public void tearDown() throws IOException { |
| SeriesReaderTestUtil.tearDown(seqResources, unseqResources); |
| } |
| |
| @Test |
| public void aggregateTest() { |
| try { |
| PartialPath path = new PartialPath(SERIES_READER_TEST_SG + ".device0.sensor0"); |
| Set<String> allSensors = new HashSet<>(); |
| allSensors.add("sensor0"); |
| QueryDataSource queryDataSource = new QueryDataSource(path, seqResources, unseqResources); |
| SeriesAggregateReader seriesReader = |
| new SeriesAggregateReader( |
| path, |
| allSensors, |
| TSDataType.INT32, |
| new QueryContext(), |
| queryDataSource, |
| null, |
| null, |
| null, |
| true); |
| AggregateResult aggregateResult = |
| AggregateResultFactory.getAggrResultByName("count", TSDataType.INT32, true); |
| int loopTime = 0; |
| while (seriesReader.hasNextFile()) { |
| if (seriesReader.canUseCurrentFileStatistics()) { |
| Statistics fileStatistics = seriesReader.currentFileStatistics(); |
| aggregateResult.updateResultFromStatistics(fileStatistics); |
| seriesReader.skipCurrentFile(); |
| continue; |
| } |
| |
| while (seriesReader.hasNextChunk()) { |
| if (seriesReader.canUseCurrentChunkStatistics()) { |
| Statistics chunkStatistics = seriesReader.currentChunkStatistics(); |
| aggregateResult.updateResultFromStatistics(chunkStatistics); |
| seriesReader.skipCurrentChunk(); |
| continue; |
| } |
| while (seriesReader.hasNextPage()) { |
| if (seriesReader.canUseCurrentPageStatistics()) { |
| Statistics pageStatistic = seriesReader.currentPageStatistics(); |
| aggregateResult.updateResultFromStatistics(pageStatistic); |
| seriesReader.skipCurrentPage(); |
| continue; |
| } |
| |
| if (loopTime >= 0 && loopTime < 13) { |
| assertEquals((long) loopTime * 20, aggregateResult.getResult()); |
| } else if (loopTime >= 13 && loopTime < 17) { |
| assertEquals((long) loopTime * 20 + 40, aggregateResult.getResult()); |
| } else if (loopTime >= 17) { |
| assertEquals((long) loopTime * 20 + 60, aggregateResult.getResult()); |
| } |
| |
| while (seriesReader.hasNextPage()) { |
| BatchData nextOverlappedPageData = seriesReader.nextPage(); |
| aggregateResult.updateResultFromPageData(nextOverlappedPageData); |
| nextOverlappedPageData.resetBatchData(); |
| assertTrue(nextOverlappedPageData.hasCurrent()); |
| } |
| loopTime++; |
| } |
| } |
| } |
| assertEquals(500L, aggregateResult.getResult()); |
| } catch (IOException | QueryProcessException | IllegalPathException e) { |
| e.printStackTrace(); |
| fail(); |
| } |
| } |
| } |