| /* |
| * 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.queryengine.plan.optimization; |
| |
| import org.apache.iotdb.commons.exception.IllegalPathException; |
| import org.apache.iotdb.commons.path.AlignedPath; |
| import org.apache.iotdb.commons.path.MeasurementPath; |
| import org.apache.iotdb.commons.path.PartialPath; |
| import org.apache.iotdb.db.queryengine.common.MPPQueryContext; |
| import org.apache.iotdb.db.queryengine.common.QueryId; |
| import org.apache.iotdb.db.queryengine.plan.analyze.Analysis; |
| import org.apache.iotdb.db.queryengine.plan.analyze.Analyzer; |
| import org.apache.iotdb.db.queryengine.plan.analyze.FakePartitionFetcherImpl; |
| import org.apache.iotdb.db.queryengine.plan.analyze.FakeSchemaFetcherImpl; |
| import org.apache.iotdb.db.queryengine.plan.parser.StatementGenerator; |
| import org.apache.iotdb.db.queryengine.plan.planner.LogicalPlanVisitor; |
| import org.apache.iotdb.db.queryengine.plan.planner.plan.node.PlanNode; |
| import org.apache.iotdb.db.queryengine.plan.statement.Statement; |
| import org.apache.iotdb.tsfile.file.metadata.enums.TSDataType; |
| |
| import org.junit.Assert; |
| |
| import java.time.ZonedDateTime; |
| import java.util.Arrays; |
| import java.util.Collections; |
| import java.util.HashMap; |
| import java.util.Map; |
| |
| public class OptimizationTestUtil { |
| |
| private OptimizationTestUtil() { |
| // util class |
| } |
| |
| public static final Map<String, PartialPath> schemaMap = new HashMap<>(); |
| |
| static { |
| try { |
| schemaMap.put("root.sg.d1.s1", new MeasurementPath("root.sg.d1.s1", TSDataType.INT32)); |
| schemaMap.put("root.sg.d1.s2", new MeasurementPath("root.sg.d1.s2", TSDataType.DOUBLE)); |
| schemaMap.put("root.sg.d2.s1", new MeasurementPath("root.sg.d2.s1", TSDataType.INT32)); |
| schemaMap.put("root.sg.d2.s2", new MeasurementPath("root.sg.d2.s2", TSDataType.DOUBLE)); |
| |
| MeasurementPath aS1 = new MeasurementPath("root.sg.d2.a.s1", TSDataType.INT32); |
| aS1.setUnderAlignedEntity(true); |
| MeasurementPath aS2 = new MeasurementPath("root.sg.d2.a.s2", TSDataType.DOUBLE); |
| aS2.setUnderAlignedEntity(true); |
| schemaMap.put("root.sg.d2.a.s1", aS1); |
| schemaMap.put("root.sg.d2.a.s2", aS2); |
| |
| AlignedPath alignedPath = |
| new AlignedPath( |
| "root.sg.d2.a", |
| Arrays.asList("s1", "s2"), |
| Arrays.asList(aS1.getMeasurementSchema(), aS2.getMeasurementSchema())); |
| AlignedPath descOrderAlignedPath = |
| new AlignedPath( |
| "root.sg.d2.a", |
| Arrays.asList("s2", "s1"), |
| Arrays.asList(aS2.getMeasurementSchema(), aS1.getMeasurementSchema())); |
| schemaMap.put("root.sg.d2.a", alignedPath); |
| schemaMap.put("desc_root.sg.d2.a", descOrderAlignedPath); |
| |
| AlignedPath aligned_d2s1 = |
| new AlignedPath( |
| "root.sg.d2.a", |
| Collections.singletonList("s1"), |
| Collections.singletonList(aS1.getMeasurementSchema())); |
| schemaMap.put("aligned_root.sg.d2.a.s1", aligned_d2s1); |
| AlignedPath aligned_d2s2 = |
| new AlignedPath( |
| "root.sg.d2.a", |
| Collections.singletonList("s2"), |
| Collections.singletonList(aS2.getMeasurementSchema())); |
| schemaMap.put("aligned_root.sg.d2.a.s2", aligned_d2s2); |
| } catch (IllegalPathException e) { |
| e.printStackTrace(); |
| } |
| } |
| |
| public static void checkPushDown( |
| PlanOptimizer optimizer, String sql, PlanNode rawPlan, PlanNode optPlan) { |
| Statement statement = StatementGenerator.createStatement(sql, ZonedDateTime.now().getOffset()); |
| |
| MPPQueryContext context = new MPPQueryContext(new QueryId("test_query")); |
| Analyzer analyzer = |
| new Analyzer(context, new FakePartitionFetcherImpl(), new FakeSchemaFetcherImpl()); |
| Analysis analysis = analyzer.analyze(statement); |
| |
| PlanNode actualPlan = |
| new LogicalPlanVisitor(analysis).process(analysis.getStatement(), context); |
| Assert.assertEquals(rawPlan, actualPlan); |
| |
| PlanNode actualOptPlan = optimizer.optimize(actualPlan, analysis, context); |
| Assert.assertEquals(optPlan, actualOptPlan); |
| } |
| |
| public static void checkCannotPushDown(PlanOptimizer optimizer, String sql, PlanNode rawPlan) { |
| Statement statement = StatementGenerator.createStatement(sql, ZonedDateTime.now().getOffset()); |
| |
| MPPQueryContext context = new MPPQueryContext(new QueryId("test_query")); |
| Analyzer analyzer = |
| new Analyzer(context, new FakePartitionFetcherImpl(), new FakeSchemaFetcherImpl()); |
| Analysis analysis = analyzer.analyze(statement); |
| |
| PlanNode actualPlan = |
| new LogicalPlanVisitor(analysis).process(analysis.getStatement(), context); |
| Assert.assertEquals(rawPlan, actualPlan); |
| |
| PlanNode actualOptPlan = optimizer.optimize(actualPlan, analysis, context); |
| Assert.assertEquals(actualPlan, actualOptPlan); |
| } |
| } |