| /* |
| * 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; |
| |
| import org.apache.iotdb.tsfile.common.conf.TSFileConfig; |
| import org.apache.iotdb.tsfile.read.common.Field; |
| import org.apache.iotdb.tsfile.read.common.Path; |
| import org.apache.iotdb.tsfile.read.common.RowRecord; |
| 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.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.FileGenerator; |
| |
| import org.junit.After; |
| import org.junit.Assert; |
| import org.junit.Before; |
| import org.junit.Test; |
| |
| import java.io.IOException; |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertFalse; |
| |
| public class ReadTest { |
| |
| private static final String fileName = FileGenerator.outputDataFile; |
| private static TsFileReader roTsFile = null; |
| |
| @Before |
| public void prepare() throws IOException { |
| FileGenerator.generateFile(1000, 100); |
| TsFileSequenceReader reader = new TsFileSequenceReader(fileName); |
| roTsFile = new TsFileReader(reader); |
| } |
| |
| @After |
| public void after() throws IOException { |
| if (roTsFile != null) { |
| roTsFile.close(); |
| } |
| FileGenerator.after(); |
| } |
| |
| @Test |
| public void queryOneMeasurementWithoutFilterTest() throws IOException { |
| List<Path> pathList = new ArrayList<>(); |
| pathList.add(new Path("d1", "s1", true)); |
| QueryExpression queryExpression = QueryExpression.create(pathList, null); |
| QueryDataSet dataSet = roTsFile.query(queryExpression); |
| |
| int count = 0; |
| while (dataSet.hasNext()) { |
| RowRecord r = dataSet.next(); |
| if (count == 0) { |
| assertEquals(1480562618010L, r.getTimestamp()); |
| } |
| if (count == 499) { |
| assertEquals(1480562618999L, r.getTimestamp()); |
| } |
| count++; |
| } |
| assertEquals(500, count); |
| } |
| |
| @Test |
| public void queryTwoMeasurementsWithoutFilterTest() throws IOException { |
| List<Path> pathList = new ArrayList<>(); |
| pathList.add(new Path("d1", "s1", true)); |
| pathList.add(new Path("d2", "s2", true)); |
| QueryExpression queryExpression = QueryExpression.create(pathList, null); |
| QueryDataSet dataSet = roTsFile.query(queryExpression); |
| |
| int count = 0; |
| while (dataSet.hasNext()) { |
| RowRecord r = dataSet.next(); |
| if (count == 0) { |
| assertEquals(1480562618005L, r.getTimestamp()); |
| } |
| count++; |
| } |
| assertEquals(750, count); |
| } |
| |
| @Test |
| public void queryTwoMeasurementsWithSingleFilterTest() throws IOException { |
| List<Path> pathList = new ArrayList<>(); |
| pathList.add(new Path("d2", "s1", true)); |
| pathList.add(new Path("d2", "s4", true)); |
| IExpression valFilter = |
| new SingleSeriesExpression(new Path("d2", "s2", true), ValueFilterApi.gt(9722L)); |
| IExpression tFilter = |
| BinaryExpression.and( |
| new GlobalTimeExpression(TimeFilterApi.gtEq(1480562618970L)), |
| new GlobalTimeExpression(TimeFilterApi.lt(1480562618977L))); |
| IExpression finalFilter = BinaryExpression.and(valFilter, tFilter); |
| QueryExpression queryExpression = QueryExpression.create(pathList, finalFilter); |
| QueryDataSet dataSet = roTsFile.query(queryExpression); |
| |
| int cnt = 0; |
| while (dataSet.hasNext()) { |
| dataSet.next(); |
| cnt++; |
| } |
| } |
| |
| @Test |
| public void queryOneMeasurementsWithSameFilterTest() throws IOException { |
| List<Path> pathList = new ArrayList<>(); |
| pathList.add(new Path("d2", "s2", true)); |
| IExpression valFilter = |
| new SingleSeriesExpression(new Path("d2", "s2", true), ValueFilterApi.gt(9722L)); |
| QueryExpression queryExpression = QueryExpression.create(pathList, valFilter); |
| QueryDataSet dataSet = roTsFile.query(queryExpression); |
| |
| int cnt = 0; |
| while (dataSet.hasNext()) { |
| RowRecord record = dataSet.next(); |
| Field value = record.getFields().get(0); |
| if (cnt == 0) { |
| assertEquals(1480562618973L, record.getTimestamp()); |
| assertEquals(9732, value.getLongV()); |
| } else if (cnt == 1) { |
| assertEquals(1480562618974L, record.getTimestamp()); |
| assertEquals(9742, value.getLongV()); |
| } else if (cnt == 7) { |
| assertEquals(1480562618985L, record.getTimestamp()); |
| assertEquals(9852, value.getLongV()); |
| } |
| |
| cnt++; |
| } |
| } |
| |
| @Test |
| public void queryWithTwoSeriesTimeValueFilterCrossTest() throws IOException { |
| List<Path> pathList = new ArrayList<>(); |
| pathList.add(new Path("d1", "s1", true)); |
| pathList.add(new Path("d2", "s2", true)); |
| IExpression valFilter = |
| new SingleSeriesExpression(new Path("d2", "s2", true), ValueFilterApi.notEq(9722L)); |
| IExpression tFilter = |
| BinaryExpression.and( |
| new GlobalTimeExpression(TimeFilterApi.gtEq(1480562618970L)), |
| new GlobalTimeExpression(TimeFilterApi.lt(1480562618977L))); |
| IExpression finalFilter = BinaryExpression.and(valFilter, tFilter); |
| QueryExpression queryExpression = QueryExpression.create(pathList, finalFilter); |
| QueryDataSet dataSet = roTsFile.query(queryExpression); |
| |
| // time filter & value filter |
| // verify d1.s1, d2.s1 |
| int cnt = 1; |
| while (dataSet.hasNext()) { |
| RowRecord r = dataSet.next(); |
| if (cnt == 1) { |
| assertEquals(1480562618970L, r.getTimestamp()); |
| } else if (cnt == 2) { |
| assertEquals(1480562618971L, r.getTimestamp()); |
| } else if (cnt == 3) { |
| assertEquals(1480562618973L, r.getTimestamp()); |
| } |
| cnt++; |
| } |
| assertEquals(7, cnt); |
| } |
| |
| @Test |
| public void queryWithCrossSeriesTimeValueFilterTest() throws IOException { |
| List<Path> pathList = new ArrayList<>(); |
| pathList.add(new Path("d1", "s1", true)); |
| pathList.add(new Path("d2", "s2", true)); |
| IExpression valFilter = |
| new SingleSeriesExpression(new Path("d2", "s2", true), ValueFilterApi.notEq(9722L)); |
| IExpression tFilter = |
| BinaryExpression.and( |
| new GlobalTimeExpression(TimeFilterApi.gtEq(1480562618970L)), |
| new GlobalTimeExpression(TimeFilterApi.lt(1480562618975L))); |
| IExpression finalFilter = BinaryExpression.and(valFilter, tFilter); |
| QueryExpression queryExpression = QueryExpression.create(pathList, finalFilter); |
| QueryDataSet dataSet = roTsFile.query(queryExpression); |
| |
| // time filter & value filter |
| // verify d1.s1, d2.s1 |
| /** |
| * 1480562618950 9501 9502 1480562618954 9541 9542 1480562618955 9551 9552 1480562618956 9561 |
| * 9562 |
| */ |
| int cnt = 1; |
| while (dataSet.hasNext()) { |
| RowRecord r = dataSet.next(); |
| if (cnt == 1) { |
| assertEquals(1480562618970L, r.getTimestamp()); |
| } else if (cnt == 2) { |
| assertEquals(1480562618971L, r.getTimestamp()); |
| } else if (cnt == 3) { |
| assertEquals(1480562618973L, r.getTimestamp()); |
| } else if (cnt == 4) { |
| assertEquals(1480562618974L, r.getTimestamp()); |
| } |
| cnt++; |
| } |
| assertEquals(5, cnt); |
| |
| pathList.clear(); |
| pathList.add(new Path("d1", "s1", true)); |
| pathList.add(new Path("d2", "s2", true)); |
| valFilter = new SingleSeriesExpression(new Path("d2", "s2", true), ValueFilterApi.ltEq(9082L)); |
| tFilter = |
| BinaryExpression.and( |
| new GlobalTimeExpression(TimeFilterApi.gtEq(1480562618906L)), |
| new GlobalTimeExpression(TimeFilterApi.ltEq(1480562618915L))); |
| tFilter = |
| BinaryExpression.or( |
| tFilter, |
| BinaryExpression.and( |
| new GlobalTimeExpression(TimeFilterApi.gtEq(1480562618928L)), |
| new GlobalTimeExpression(TimeFilterApi.ltEq(1480562618933L)))); |
| finalFilter = BinaryExpression.and(valFilter, tFilter); |
| queryExpression = QueryExpression.create(pathList, finalFilter); |
| dataSet = roTsFile.query(queryExpression); |
| |
| // time filter & value filter |
| // verify d1.s1, d2.s1 |
| cnt = 1; |
| while (dataSet.hasNext()) { |
| dataSet.next(); |
| cnt++; |
| } |
| assertEquals(4, cnt); |
| } |
| |
| @Test |
| public void queryBooleanTest() throws IOException { |
| List<Path> pathList = new ArrayList<>(); |
| pathList.add(new Path("d1", "s5", true)); |
| IExpression valFilter = |
| new SingleSeriesExpression(new Path("d1", "s5", true), ValueFilterApi.eq(false)); |
| IExpression tFilter = |
| BinaryExpression.and( |
| new GlobalTimeExpression(TimeFilterApi.gtEq(1480562618970L)), |
| new GlobalTimeExpression(TimeFilterApi.lt(1480562618981L))); |
| IExpression finalFilter = BinaryExpression.and(valFilter, tFilter); |
| QueryExpression queryExpression = QueryExpression.create(pathList, finalFilter); |
| QueryDataSet dataSet = roTsFile.query(queryExpression); |
| |
| int cnt = 1; |
| while (dataSet.hasNext()) { |
| RowRecord r = dataSet.next(); |
| if (cnt == 1) { |
| assertEquals(1480562618972L, r.getTimestamp()); |
| Field f1 = r.getFields().get(0); |
| assertFalse(f1.getBoolV()); |
| } |
| if (cnt == 2) { |
| assertEquals(1480562618981L, r.getTimestamp()); |
| Field f2 = r.getFields().get(0); |
| assertFalse(f2.getBoolV()); |
| } |
| cnt++; |
| } |
| } |
| |
| @Test |
| public void queryStringTest() throws IOException { |
| List<Path> pathList = new ArrayList<>(); |
| pathList.add(new Path("d1", "s4", true)); |
| IExpression tFilter = |
| BinaryExpression.and( |
| new GlobalTimeExpression(TimeFilterApi.gtEq(1480562618970L)), |
| new GlobalTimeExpression(TimeFilterApi.ltEq(1480562618981L))); |
| QueryExpression queryExpression = QueryExpression.create(pathList, tFilter); |
| QueryDataSet dataSet = roTsFile.query(queryExpression); |
| |
| int cnt = 0; |
| while (dataSet.hasNext()) { |
| RowRecord r = dataSet.next(); |
| if (cnt == 0) { |
| assertEquals(1480562618976L, r.getTimestamp()); |
| Field f1 = r.getFields().get(0); |
| assertEquals("dog976", f1.toString()); |
| } |
| cnt++; |
| } |
| Assert.assertEquals(1, cnt); |
| |
| pathList = new ArrayList<>(); |
| pathList.add(new Path("d1", "s4", true)); |
| tFilter = |
| BinaryExpression.and( |
| new GlobalTimeExpression(TimeFilterApi.gtEq(1480562618970L)), |
| new GlobalTimeExpression(TimeFilterApi.ltEq(1480562618981L))); |
| queryExpression = QueryExpression.create(pathList, tFilter); |
| dataSet = roTsFile.query(queryExpression); |
| cnt = 0; |
| while (dataSet.hasNext()) { |
| RowRecord r = dataSet.next(); |
| if (cnt == 1) { |
| assertEquals(1480562618976L, r.getTimestamp()); |
| Field f1 = r.getFields().get(0); |
| assertEquals("dog976", f1.getBinaryV().getStringValue(TSFileConfig.STRING_CHARSET)); |
| } |
| cnt++; |
| } |
| Assert.assertEquals(1, cnt); |
| } |
| |
| @Test |
| public void queryFloatTest() throws IOException { |
| List<Path> pathList = new ArrayList<>(); |
| pathList.add(new Path("d1", "s6", true)); |
| IExpression valFilter = |
| new SingleSeriesExpression(new Path("d1", "s6", true), ValueFilterApi.gt(103.0f)); |
| IExpression tFilter = |
| BinaryExpression.and( |
| new GlobalTimeExpression(TimeFilterApi.gtEq(1480562618970L)), |
| new GlobalTimeExpression(TimeFilterApi.ltEq(1480562618981L))); |
| IExpression finalFilter = BinaryExpression.and(valFilter, tFilter); |
| QueryExpression queryExpression = QueryExpression.create(pathList, finalFilter); |
| QueryDataSet dataSet = roTsFile.query(queryExpression); |
| |
| int cnt = 0; |
| while (dataSet.hasNext()) { |
| RowRecord r = dataSet.next(); |
| if (cnt == 1) { |
| assertEquals(1480562618980L, r.getTimestamp()); |
| Field f1 = r.getFields().get(0); |
| assertEquals(108.0, f1.getFloatV(), 0.0); |
| } |
| if (cnt == 2) { |
| assertEquals(1480562618990L, r.getTimestamp()); |
| Field f2 = r.getFields().get(0); |
| assertEquals(110.0, f2.getFloatV(), 0.0); |
| } |
| cnt++; |
| } |
| } |
| |
| @Test |
| public void queryDoubleTest() throws IOException { |
| List<Path> pathList = new ArrayList<>(); |
| pathList.add(new Path("d1", "s7", true)); |
| IExpression valFilter = |
| new SingleSeriesExpression(new Path("d1", "s7", true), ValueFilterApi.gt(1.0)); |
| IExpression tFilter = |
| BinaryExpression.and( |
| new GlobalTimeExpression(TimeFilterApi.gtEq(1480562618011L)), |
| new GlobalTimeExpression(TimeFilterApi.ltEq(1480562618033L))); |
| IExpression finalFilter = BinaryExpression.and(valFilter, tFilter); |
| QueryExpression queryExpression = QueryExpression.create(pathList, finalFilter); |
| QueryDataSet dataSet = roTsFile.query(queryExpression); |
| |
| int cnt = 1; |
| while (dataSet.hasNext()) { |
| RowRecord r = dataSet.next(); |
| if (cnt == 1) { |
| assertEquals(1480562618022L, r.getTimestamp()); |
| Field f1 = r.getFields().get(0); |
| assertEquals(2.0, f1.getDoubleV(), 0.0); |
| } |
| if (cnt == 2) { |
| assertEquals(1480562618033L, r.getTimestamp()); |
| Field f1 = r.getFields().get(0); |
| assertEquals(3.0, f1.getDoubleV(), 0.0); |
| } |
| cnt++; |
| } |
| } |
| } |