| /* |
| * 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.qp.physical; |
| |
| 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.qp.Planner; |
| import org.apache.iotdb.db.qp.physical.crud.RawDataQueryPlan; |
| import org.apache.iotdb.db.qp.strategy.optimizer.ConcatPathOptimizer; |
| import org.apache.iotdb.db.service.IoTDB; |
| import org.apache.iotdb.db.utils.EnvironmentUtils; |
| import org.apache.iotdb.tsfile.file.metadata.enums.CompressionType; |
| import org.apache.iotdb.tsfile.file.metadata.enums.TSDataType; |
| import org.apache.iotdb.tsfile.file.metadata.enums.TSEncoding; |
| import org.apache.iotdb.tsfile.read.common.Path; |
| import org.apache.iotdb.tsfile.read.expression.IExpression; |
| import org.apache.iotdb.tsfile.read.expression.impl.BinaryExpression; |
| import org.apache.iotdb.tsfile.read.expression.impl.SingleSeriesExpression; |
| import org.apache.iotdb.tsfile.read.filter.ValueFilter; |
| |
| import org.antlr.v4.runtime.RecognitionException; |
| import org.junit.After; |
| import org.junit.Before; |
| import org.junit.Test; |
| |
| import java.io.IOException; |
| |
| import static org.junit.Assert.assertEquals; |
| |
| /** test the correctness of {@linkplain ConcatPathOptimizer ConcatPathOptimizer} */ |
| public class ConcatOptimizerTest { |
| |
| private Planner processor; |
| |
| @Before |
| public void before() throws MetadataException { |
| processor = new Planner(); |
| IoTDB.metaManager.init(); |
| IoTDB.metaManager.setStorageGroup(new PartialPath("root.laptop")); |
| IoTDB.metaManager.createTimeseries( |
| new PartialPath("root.laptop.d1.s1"), |
| TSDataType.INT64, |
| TSEncoding.PLAIN, |
| CompressionType.UNCOMPRESSED, |
| null); |
| IoTDB.metaManager.createTimeseries( |
| new PartialPath("root.laptop.d1.s2"), |
| TSDataType.INT64, |
| TSEncoding.PLAIN, |
| CompressionType.UNCOMPRESSED, |
| null); |
| IoTDB.metaManager.createTimeseries( |
| new PartialPath("root.laptop.d2.s1"), |
| TSDataType.INT64, |
| TSEncoding.PLAIN, |
| CompressionType.UNCOMPRESSED, |
| null); |
| IoTDB.metaManager.createTimeseries( |
| new PartialPath("root.laptop.d2.s2"), |
| TSDataType.INT64, |
| TSEncoding.PLAIN, |
| CompressionType.UNCOMPRESSED, |
| null); |
| IoTDB.metaManager.createTimeseries( |
| new PartialPath("root.laptop.d3.s1"), |
| TSDataType.INT64, |
| TSEncoding.PLAIN, |
| CompressionType.UNCOMPRESSED, |
| null); |
| IoTDB.metaManager.createTimeseries( |
| new PartialPath("root.laptop.d3.s2"), |
| TSDataType.INT64, |
| TSEncoding.PLAIN, |
| CompressionType.UNCOMPRESSED, |
| null); |
| } |
| |
| @After |
| public void after() throws IOException { |
| IoTDB.metaManager.clear(); |
| EnvironmentUtils.cleanAllDir(); |
| } |
| |
| @Test |
| public void testConcat1() throws QueryProcessException, RecognitionException { |
| String inputSQL = "select s1 from root.laptop.d1"; |
| PhysicalPlan plan = processor.parseSQLToPhysicalPlan(inputSQL); |
| assertEquals("root.laptop.d1.s1", plan.getPaths().get(0).getFullPath()); |
| } |
| |
| @Test |
| public void testConcat2() throws QueryProcessException, RecognitionException { |
| String inputSQL = "select s1 from root.laptop.*"; |
| PhysicalPlan plan = processor.parseSQLToPhysicalPlan(inputSQL); |
| assertEquals("root.laptop.d1.s1", plan.getPaths().get(0).getFullPath()); |
| assertEquals("root.laptop.d2.s1", plan.getPaths().get(1).getFullPath()); |
| assertEquals("root.laptop.d3.s1", plan.getPaths().get(2).getFullPath()); |
| } |
| |
| @Test |
| public void testConcat3() throws QueryProcessException, RecognitionException { |
| String inputSQL = "select s1 from root.laptop.d1 where s1 < 10"; |
| PhysicalPlan plan = processor.parseSQLToPhysicalPlan(inputSQL); |
| SingleSeriesExpression seriesExpression = |
| new SingleSeriesExpression(new Path("root.laptop.d1", "s1"), ValueFilter.lt(10)); |
| assertEquals(seriesExpression.toString(), ((RawDataQueryPlan) plan).getExpression().toString()); |
| } |
| |
| @Test |
| public void testConcatMultipleDeviceInFilter() throws QueryProcessException { |
| String inputSQL = "select s1 from root.laptop.* where s1 < 10"; |
| PhysicalPlan plan = processor.parseSQLToPhysicalPlan(inputSQL); |
| IExpression expression = |
| BinaryExpression.and( |
| BinaryExpression.and( |
| new SingleSeriesExpression(new Path("root.laptop.d1", "s1"), ValueFilter.lt(10)), |
| new SingleSeriesExpression(new Path("root.laptop.d2", "s1"), ValueFilter.lt(10))), |
| new SingleSeriesExpression(new Path("root.laptop.d3", "s1"), ValueFilter.lt(10))); |
| assertEquals(expression.toString(), ((RawDataQueryPlan) plan).getExpression().toString()); |
| } |
| } |