| /* |
| * 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.tsfile.read.query.executor; |
| |
| import org.apache.iotdb.tsfile.common.conf.TSFileConfig; |
| import org.apache.iotdb.tsfile.common.conf.TSFileDescriptor; |
| import org.apache.iotdb.tsfile.read.TsFileSequenceReader; |
| import org.apache.iotdb.tsfile.read.common.Path; |
| import org.apache.iotdb.tsfile.read.common.RowRecord; |
| import org.apache.iotdb.tsfile.read.controller.CachedChunkLoaderImpl; |
| import org.apache.iotdb.tsfile.read.controller.IChunkLoader; |
| import org.apache.iotdb.tsfile.read.controller.MetadataQuerierByFileImpl; |
| import org.apache.iotdb.tsfile.read.expression.IExpression; |
| import org.apache.iotdb.tsfile.read.expression.QueryExpression; |
| import org.apache.iotdb.tsfile.read.expression.impl.BinaryExpression; |
| import org.apache.iotdb.tsfile.read.expression.impl.GlobalTimeExpression; |
| import org.apache.iotdb.tsfile.read.expression.impl.SingleSeriesExpression; |
| import org.apache.iotdb.tsfile.read.filter.basic.Filter; |
| import org.apache.iotdb.tsfile.read.filter.factory.FilterFactory; |
| import org.apache.iotdb.tsfile.read.filter.factory.TimeFilterApi; |
| import org.apache.iotdb.tsfile.read.filter.factory.ValueFilterApi; |
| import org.apache.iotdb.tsfile.read.query.dataset.QueryDataSet; |
| import org.apache.iotdb.tsfile.utils.Binary; |
| import org.apache.iotdb.tsfile.utils.TsFileGeneratorForTest; |
| |
| import org.junit.After; |
| import org.junit.Assert; |
| import org.junit.Before; |
| import org.junit.Test; |
| |
| import java.io.IOException; |
| |
| public class QueryExecutorTest { |
| |
| private static final String FILE_PATH = TsFileGeneratorForTest.outputDataFile; |
| private TsFileSequenceReader fileReader; |
| private MetadataQuerierByFileImpl metadataQuerierByFile; |
| private IChunkLoader chunkLoader; |
| private int rowCount = 10000; |
| private TsFileExecutor queryExecutorWithQueryFilter; |
| |
| @Before |
| public void before() throws IOException { |
| TSFileDescriptor.getInstance().getConfig().setTimeEncoder("TS_2DIFF"); |
| TsFileGeneratorForTest.generateFile(rowCount, 16 * 1024 * 1024, 10000); |
| fileReader = new TsFileSequenceReader(FILE_PATH); |
| metadataQuerierByFile = new MetadataQuerierByFileImpl(fileReader); |
| chunkLoader = new CachedChunkLoaderImpl(fileReader); |
| queryExecutorWithQueryFilter = new TsFileExecutor(metadataQuerierByFile, chunkLoader); |
| } |
| |
| @After |
| public void after() throws IOException { |
| fileReader.close(); |
| TsFileGeneratorForTest.after(); |
| } |
| |
| @Test |
| public void query1() throws IOException { |
| Filter filter = TimeFilterApi.lt(1480562618100L); |
| Filter filter2 = ValueFilterApi.gt(new Binary("dog", TSFileConfig.STRING_CHARSET)); |
| |
| IExpression IExpression = |
| BinaryExpression.and( |
| new SingleSeriesExpression(new Path("d1", "s1", true), filter), |
| new SingleSeriesExpression(new Path("d1", "s4", true), filter2)); |
| |
| QueryExpression queryExpression = |
| QueryExpression.create() |
| .addSelectedPath(new Path("d1", "s1", true)) |
| .addSelectedPath(new Path("d1", "s2", true)) |
| .addSelectedPath(new Path("d1", "s4", true)) |
| .addSelectedPath(new Path("d1", "s5", true)) |
| .setExpression(IExpression); |
| long startTimestamp = System.currentTimeMillis(); |
| QueryDataSet queryDataSet = queryExecutorWithQueryFilter.execute(queryExpression); |
| long aimedTimestamp = 1480562618000L; |
| while (queryDataSet.hasNext()) { |
| RowRecord rowRecord = queryDataSet.next(); |
| Assert.assertEquals(aimedTimestamp, rowRecord.getTimestamp()); |
| aimedTimestamp += 8; |
| } |
| long endTimestamp = System.currentTimeMillis(); |
| } |
| |
| @Test |
| public void queryWithoutFilter() throws IOException { |
| QueryExecutor queryExecutor = new TsFileExecutor(metadataQuerierByFile, chunkLoader); |
| |
| QueryExpression queryExpression = |
| QueryExpression.create() |
| .addSelectedPath(new Path("d1", "s1", true)) |
| .addSelectedPath(new Path("d1", "s2", true)) |
| .addSelectedPath(new Path("d1", "s3", true)) |
| .addSelectedPath(new Path("d1", "s4", true)) |
| .addSelectedPath(new Path("d1", "s5", true)); |
| |
| long aimedTimestamp = 1480562618000L; |
| int count = 0; |
| long startTimestamp = System.currentTimeMillis(); |
| QueryDataSet queryDataSet = queryExecutor.execute(queryExpression); |
| while (queryDataSet.hasNext()) { |
| RowRecord rowRecord = queryDataSet.next(); |
| Assert.assertEquals(aimedTimestamp, rowRecord.getTimestamp()); |
| aimedTimestamp++; |
| count++; |
| } |
| Assert.assertEquals(rowCount, count); |
| long endTimestamp = System.currentTimeMillis(); |
| } |
| |
| @Test |
| public void queryWithGlobalTimeFilter() throws IOException { |
| QueryExecutor queryExecutor = new TsFileExecutor(metadataQuerierByFile, chunkLoader); |
| |
| IExpression IExpression = |
| new GlobalTimeExpression( |
| FilterFactory.and( |
| TimeFilterApi.gtEq(1480562618100L), TimeFilterApi.lt(1480562618200L))); |
| QueryExpression queryExpression = |
| QueryExpression.create() |
| .addSelectedPath(new Path("d1", "s1", true)) |
| .addSelectedPath(new Path("d1", "s2", true)) |
| .addSelectedPath(new Path("d1", "s3", true)) |
| .addSelectedPath(new Path("d1", "s4", true)) |
| .addSelectedPath(new Path("d1", "s5", true)) |
| .setExpression(IExpression); |
| |
| long aimedTimestamp = 1480562618100L; |
| int count = 0; |
| long startTimestamp = System.currentTimeMillis(); |
| QueryDataSet queryDataSet = queryExecutor.execute(queryExpression); |
| while (queryDataSet.hasNext()) { |
| RowRecord rowRecord = queryDataSet.next(); |
| Assert.assertEquals(aimedTimestamp, rowRecord.getTimestamp()); |
| aimedTimestamp++; |
| count++; |
| } |
| Assert.assertEquals(100, count); |
| long endTimestamp = System.currentTimeMillis(); |
| } |
| } |