| /* |
| * 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.mpp.plan.plan.distribution; |
| |
| import org.apache.iotdb.common.rpc.thrift.TEndPoint; |
| 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.db.mpp.common.MPPQueryContext; |
| import org.apache.iotdb.db.mpp.common.QueryId; |
| import org.apache.iotdb.db.mpp.plan.planner.distribution.DistributionPlanner; |
| import org.apache.iotdb.db.mpp.plan.planner.plan.DistributedQueryPlan; |
| import org.apache.iotdb.db.mpp.plan.planner.plan.LogicalQueryPlan; |
| import org.apache.iotdb.db.mpp.plan.planner.plan.node.PlanNode; |
| import org.apache.iotdb.db.mpp.plan.planner.plan.node.process.ExchangeNode; |
| import org.apache.iotdb.db.mpp.plan.planner.plan.node.process.last.LastQueryCollectNode; |
| import org.apache.iotdb.db.mpp.plan.planner.plan.node.process.last.LastQueryMergeNode; |
| import org.apache.iotdb.db.mpp.plan.planner.plan.node.process.last.LastQueryNode; |
| import org.apache.iotdb.db.mpp.plan.planner.plan.node.source.AlignedLastQueryScanNode; |
| import org.apache.iotdb.db.mpp.plan.planner.plan.node.source.LastQueryScanNode; |
| import org.apache.iotdb.db.mpp.plan.planner.plan.parameter.OrderByParameter; |
| |
| import org.junit.Assert; |
| import org.junit.Test; |
| |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| import java.util.Collections; |
| import java.util.List; |
| |
| public class LastQueryTest { |
| |
| @Test |
| public void testLastQuery1Series1Region() throws IllegalPathException { |
| String d2s1Path = "root.sg.d22.s1"; |
| MPPQueryContext context = |
| new MPPQueryContext( |
| "", new QueryId("test_last_1_series_1_region"), null, new TEndPoint(), new TEndPoint()); |
| DistributionPlanner planner = |
| new DistributionPlanner( |
| Util.constructAnalysis(), |
| constructLastQuery(Collections.singletonList(d2s1Path), context)); |
| |
| DistributedQueryPlan distributedQueryPlan = planner.planFragments(); |
| Assert.assertEquals(1, distributedQueryPlan.getInstances().size()); |
| Assert.assertTrue( |
| distributedQueryPlan |
| .getInstances() |
| .get(0) |
| .getFragment() |
| .getPlanNodeTree() |
| .getChildren() |
| .get(0) |
| instanceof LastQueryNode); |
| } |
| |
| @Test |
| public void testLastQuery1Series2Region() throws IllegalPathException { |
| String d1s1Path = "root.sg.d1.s1"; |
| MPPQueryContext context = |
| new MPPQueryContext( |
| "", new QueryId("test_last_1_series_2_region"), null, new TEndPoint(), new TEndPoint()); |
| DistributionPlanner planner = |
| new DistributionPlanner( |
| Util.constructAnalysis(), |
| constructLastQuery(Collections.singletonList(d1s1Path), context)); |
| |
| DistributedQueryPlan distributedQueryPlan = planner.planFragments(); |
| Assert.assertEquals(2, distributedQueryPlan.getInstances().size()); |
| PlanNode rootNode = |
| distributedQueryPlan |
| .getInstances() |
| .get(0) |
| .getFragment() |
| .getPlanNodeTree() |
| .getChildren() |
| .get(0); |
| Assert.assertTrue(rootNode instanceof LastQueryMergeNode); |
| rootNode |
| .getChildren() |
| .forEach( |
| child -> |
| Assert.assertTrue(child instanceof LastQueryNode || child instanceof ExchangeNode)); |
| } |
| |
| @Test |
| public void testLastQuery2Series3Region() throws IllegalPathException { |
| String d1s1Path = "root.sg.d1.s1"; |
| String d2s1Path = "root.sg.d22.s1"; |
| MPPQueryContext context = |
| new MPPQueryContext( |
| "", new QueryId("test_last_1_series_2_region"), null, new TEndPoint(), new TEndPoint()); |
| DistributionPlanner planner = |
| new DistributionPlanner( |
| Util.constructAnalysis(), |
| constructLastQuery(Arrays.asList(d1s1Path, d2s1Path), context)); |
| |
| DistributedQueryPlan distributedQueryPlan = planner.planFragments(); |
| Assert.assertEquals(3, distributedQueryPlan.getInstances().size()); |
| PlanNode rootNode = |
| distributedQueryPlan |
| .getInstances() |
| .get(0) |
| .getFragment() |
| .getPlanNodeTree() |
| .getChildren() |
| .get(0); |
| Assert.assertTrue(rootNode instanceof LastQueryMergeNode); |
| rootNode |
| .getChildren() |
| .forEach( |
| child -> |
| Assert.assertTrue(child instanceof LastQueryNode || child instanceof ExchangeNode)); |
| } |
| |
| @Test |
| public void testLastQuery2Series2Region() throws IllegalPathException { |
| String d3s1Path = "root.sg.d333.s1"; |
| String d4s1Path = "root.sg.d4444.s1"; |
| MPPQueryContext context = |
| new MPPQueryContext( |
| "", new QueryId("test_last_1_series_2_region"), null, new TEndPoint(), new TEndPoint()); |
| DistributionPlanner planner = |
| new DistributionPlanner( |
| Util.constructAnalysis(), |
| constructLastQuery(Arrays.asList(d3s1Path, d4s1Path), context)); |
| |
| DistributedQueryPlan distributedQueryPlan = planner.planFragments(); |
| Assert.assertEquals(2, distributedQueryPlan.getInstances().size()); |
| PlanNode rootNode = |
| distributedQueryPlan |
| .getInstances() |
| .get(0) |
| .getFragment() |
| .getPlanNodeTree() |
| .getChildren() |
| .get(0); |
| Assert.assertTrue(rootNode instanceof LastQueryMergeNode); |
| rootNode |
| .getChildren() |
| .forEach( |
| child -> |
| Assert.assertTrue(child instanceof LastQueryNode || child instanceof ExchangeNode)); |
| } |
| |
| @Test |
| public void testLastQuery2Series2DiffRegion() throws IllegalPathException { |
| String d3s1Path = "root.sg.d22.s1"; |
| String d4s1Path = "root.sg.d55555.s1"; |
| MPPQueryContext context = |
| new MPPQueryContext( |
| "", |
| new QueryId("test_last_2_series_2_diff_region"), |
| null, |
| new TEndPoint(), |
| new TEndPoint()); |
| DistributionPlanner planner = |
| new DistributionPlanner( |
| Util.constructAnalysis(), |
| constructLastQuery(Arrays.asList(d3s1Path, d4s1Path), context)); |
| |
| DistributedQueryPlan distributedQueryPlan = planner.planFragments(); |
| Assert.assertEquals(2, distributedQueryPlan.getInstances().size()); |
| PlanNode rootNode = |
| distributedQueryPlan |
| .getInstances() |
| .get(0) |
| .getFragment() |
| .getPlanNodeTree() |
| .getChildren() |
| .get(0); |
| Assert.assertTrue(rootNode instanceof LastQueryCollectNode); |
| rootNode |
| .getChildren() |
| .forEach( |
| child -> |
| Assert.assertTrue(child instanceof LastQueryNode || child instanceof ExchangeNode)); |
| } |
| |
| private LogicalQueryPlan constructLastQuery(List<String> paths, MPPQueryContext context) |
| throws IllegalPathException { |
| List<PlanNode> sourceNodeList = new ArrayList<>(); |
| for (String path : paths) { |
| MeasurementPath selectPath = new MeasurementPath(path); |
| if (selectPath.isUnderAlignedEntity()) { |
| sourceNodeList.add( |
| new AlignedLastQueryScanNode( |
| context.getQueryId().genPlanNodeId(), new AlignedPath(selectPath))); |
| } else { |
| sourceNodeList.add(new LastQueryScanNode(context.getQueryId().genPlanNodeId(), selectPath)); |
| } |
| } |
| |
| PlanNode root = |
| new LastQueryNode( |
| context.getQueryId().genPlanNodeId(), sourceNodeList, null, new OrderByParameter()); |
| return new LogicalQueryPlan(context, root); |
| } |
| } |