| /* |
| * 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.execution.operator; |
| |
| import org.apache.iotdb.commons.concurrent.IoTDBThreadPoolFactory; |
| import org.apache.iotdb.commons.exception.IllegalPathException; |
| import org.apache.iotdb.commons.exception.MetadataException; |
| import org.apache.iotdb.commons.path.MeasurementPath; |
| import org.apache.iotdb.db.engine.querycontext.QueryDataSource; |
| import org.apache.iotdb.db.engine.storagegroup.TsFileResource; |
| import org.apache.iotdb.db.mpp.common.FragmentInstanceId; |
| import org.apache.iotdb.db.mpp.common.PlanFragmentId; |
| import org.apache.iotdb.db.mpp.common.QueryId; |
| import org.apache.iotdb.db.mpp.execution.fragment.FragmentInstanceContext; |
| import org.apache.iotdb.db.mpp.execution.fragment.FragmentInstanceStateMachine; |
| import org.apache.iotdb.db.mpp.execution.operator.process.LimitOperator; |
| import org.apache.iotdb.db.mpp.execution.operator.process.OffsetOperator; |
| import org.apache.iotdb.db.mpp.execution.operator.process.join.TimeJoinOperator; |
| import org.apache.iotdb.db.mpp.execution.operator.process.join.merge.AscTimeComparator; |
| import org.apache.iotdb.db.mpp.execution.operator.process.join.merge.SingleColumnMerger; |
| import org.apache.iotdb.db.mpp.execution.operator.source.SeriesScanOperator; |
| import org.apache.iotdb.db.mpp.plan.planner.plan.node.PlanNodeId; |
| import org.apache.iotdb.db.mpp.plan.planner.plan.parameter.InputLocation; |
| import org.apache.iotdb.db.mpp.plan.statement.component.Ordering; |
| import org.apache.iotdb.db.query.reader.series.SeriesReaderTestUtil; |
| import org.apache.iotdb.tsfile.exception.write.WriteProcessException; |
| import org.apache.iotdb.tsfile.file.metadata.enums.TSDataType; |
| import org.apache.iotdb.tsfile.read.common.block.TsBlock; |
| import org.apache.iotdb.tsfile.read.common.block.column.IntColumn; |
| import org.apache.iotdb.tsfile.write.schema.MeasurementSchema; |
| |
| import org.junit.After; |
| import org.junit.Before; |
| import org.junit.Test; |
| |
| import java.io.IOException; |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| import java.util.HashSet; |
| import java.util.List; |
| import java.util.Set; |
| import java.util.concurrent.ExecutorService; |
| |
| import static org.apache.iotdb.db.mpp.execution.fragment.FragmentInstanceContext.createFragmentInstanceContext; |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertTrue; |
| import static org.junit.Assert.fail; |
| |
| public class OffsetOperatorTest { |
| |
| private static final String TIME_JOIN_OPERATOR_TEST_SG = "root.LimitOperatorTest"; |
| private final List<String> deviceIds = new ArrayList<>(); |
| private final List<MeasurementSchema> measurementSchemas = new ArrayList<>(); |
| |
| private final List<TsFileResource> seqResources = new ArrayList<>(); |
| private final List<TsFileResource> unSeqResources = new ArrayList<>(); |
| |
| @Before |
| public void setUp() throws MetadataException, IOException, WriteProcessException { |
| SeriesReaderTestUtil.setUp( |
| measurementSchemas, deviceIds, seqResources, unSeqResources, TIME_JOIN_OPERATOR_TEST_SG); |
| } |
| |
| @After |
| public void tearDown() throws IOException { |
| SeriesReaderTestUtil.tearDown(seqResources, unSeqResources); |
| } |
| |
| @Test |
| public void batchTest1() { |
| ExecutorService instanceNotificationExecutor = |
| IoTDBThreadPoolFactory.newFixedThreadPool(1, "test-instance-notification"); |
| try { |
| MeasurementPath measurementPath1 = |
| new MeasurementPath(TIME_JOIN_OPERATOR_TEST_SG + ".device0.sensor0", TSDataType.INT32); |
| Set<String> allSensors = new HashSet<>(); |
| allSensors.add("sensor0"); |
| allSensors.add("sensor1"); |
| QueryId queryId = new QueryId("stub_query"); |
| FragmentInstanceId instanceId = |
| new FragmentInstanceId(new PlanFragmentId(queryId, 0), "stub-instance"); |
| FragmentInstanceStateMachine stateMachine = |
| new FragmentInstanceStateMachine(instanceId, instanceNotificationExecutor); |
| FragmentInstanceContext fragmentInstanceContext = |
| createFragmentInstanceContext(instanceId, stateMachine); |
| PlanNodeId planNodeId1 = new PlanNodeId("1"); |
| fragmentInstanceContext.addOperatorContext( |
| 1, planNodeId1, SeriesScanOperator.class.getSimpleName()); |
| PlanNodeId planNodeId2 = new PlanNodeId("2"); |
| fragmentInstanceContext.addOperatorContext( |
| 2, planNodeId2, SeriesScanOperator.class.getSimpleName()); |
| fragmentInstanceContext.addOperatorContext( |
| 3, new PlanNodeId("3"), TimeJoinOperator.class.getSimpleName()); |
| fragmentInstanceContext.addOperatorContext( |
| 4, new PlanNodeId("4"), OffsetOperator.class.getSimpleName()); |
| fragmentInstanceContext.addOperatorContext( |
| 5, new PlanNodeId("5"), LimitOperator.class.getSimpleName()); |
| SeriesScanOperator seriesScanOperator1 = |
| new SeriesScanOperator( |
| planNodeId1, |
| measurementPath1, |
| allSensors, |
| TSDataType.INT32, |
| fragmentInstanceContext.getOperatorContexts().get(0), |
| null, |
| null, |
| true); |
| seriesScanOperator1.initQueryDataSource(new QueryDataSource(seqResources, unSeqResources)); |
| |
| MeasurementPath measurementPath2 = |
| new MeasurementPath(TIME_JOIN_OPERATOR_TEST_SG + ".device0.sensor1", TSDataType.INT32); |
| SeriesScanOperator seriesScanOperator2 = |
| new SeriesScanOperator( |
| planNodeId2, |
| measurementPath2, |
| allSensors, |
| TSDataType.INT32, |
| fragmentInstanceContext.getOperatorContexts().get(1), |
| null, |
| null, |
| true); |
| seriesScanOperator2.initQueryDataSource(new QueryDataSource(seqResources, unSeqResources)); |
| |
| TimeJoinOperator timeJoinOperator = |
| new TimeJoinOperator( |
| fragmentInstanceContext.getOperatorContexts().get(2), |
| Arrays.asList(seriesScanOperator1, seriesScanOperator2), |
| Ordering.ASC, |
| Arrays.asList(TSDataType.INT32, TSDataType.INT32), |
| Arrays.asList( |
| new SingleColumnMerger(new InputLocation(0, 0), new AscTimeComparator()), |
| new SingleColumnMerger(new InputLocation(1, 0), new AscTimeComparator())), |
| new AscTimeComparator()); |
| |
| OffsetOperator offsetOperator = |
| new OffsetOperator( |
| fragmentInstanceContext.getOperatorContexts().get(3), 100, timeJoinOperator); |
| |
| LimitOperator limitOperator = |
| new LimitOperator( |
| fragmentInstanceContext.getOperatorContexts().get(4), 250, offsetOperator); |
| int count = 0; |
| while (limitOperator.hasNext()) { |
| TsBlock tsBlock = limitOperator.next(); |
| assertEquals(2, tsBlock.getValueColumnCount()); |
| assertTrue(tsBlock.getColumn(0) instanceof IntColumn); |
| assertTrue(tsBlock.getColumn(1) instanceof IntColumn); |
| if (count < 5) { |
| assertEquals(0, tsBlock.getPositionCount()); |
| } else if (count < 17) { |
| assertEquals(20, tsBlock.getPositionCount()); |
| } else { |
| assertEquals(10, tsBlock.getPositionCount()); |
| } |
| for (int i = 0; i < tsBlock.getPositionCount(); i++) { |
| long expectedTime = i + 20L * count; |
| assertEquals(expectedTime, tsBlock.getTimeByIndex(i)); |
| if (expectedTime < 200) { |
| assertEquals(20000 + expectedTime, tsBlock.getColumn(0).getInt(i)); |
| assertEquals(20000 + expectedTime, tsBlock.getColumn(1).getInt(i)); |
| } else if (expectedTime < 260 |
| || (expectedTime >= 300 && expectedTime < 380) |
| || expectedTime >= 400) { |
| assertEquals(10000 + expectedTime, tsBlock.getColumn(0).getInt(i)); |
| assertEquals(10000 + expectedTime, tsBlock.getColumn(1).getInt(i)); |
| } else { |
| assertEquals(expectedTime, tsBlock.getColumn(0).getInt(i)); |
| assertEquals(expectedTime, tsBlock.getColumn(1).getInt(i)); |
| } |
| } |
| count++; |
| } |
| assertEquals(18, count); |
| } catch (IllegalPathException e) { |
| e.printStackTrace(); |
| fail(); |
| } finally { |
| instanceNotificationExecutor.shutdown(); |
| } |
| } |
| |
| /** offset is 0 in which case we will get all data */ |
| @Test |
| public void batchTest2() { |
| ExecutorService instanceNotificationExecutor = |
| IoTDBThreadPoolFactory.newFixedThreadPool(1, "test-instance-notification"); |
| try { |
| MeasurementPath measurementPath1 = |
| new MeasurementPath(TIME_JOIN_OPERATOR_TEST_SG + ".device0.sensor0", TSDataType.INT32); |
| Set<String> allSensors = new HashSet<>(); |
| allSensors.add("sensor0"); |
| allSensors.add("sensor1"); |
| QueryId queryId = new QueryId("stub_query"); |
| FragmentInstanceId instanceId = |
| new FragmentInstanceId(new PlanFragmentId(queryId, 0), "stub-instance"); |
| FragmentInstanceStateMachine stateMachine = |
| new FragmentInstanceStateMachine(instanceId, instanceNotificationExecutor); |
| FragmentInstanceContext fragmentInstanceContext = |
| createFragmentInstanceContext(instanceId, stateMachine); |
| PlanNodeId planNodeId1 = new PlanNodeId("1"); |
| fragmentInstanceContext.addOperatorContext( |
| 1, planNodeId1, SeriesScanOperator.class.getSimpleName()); |
| PlanNodeId planNodeId2 = new PlanNodeId("2"); |
| fragmentInstanceContext.addOperatorContext( |
| 2, planNodeId2, SeriesScanOperator.class.getSimpleName()); |
| fragmentInstanceContext.addOperatorContext( |
| 3, new PlanNodeId("3"), TimeJoinOperator.class.getSimpleName()); |
| fragmentInstanceContext.addOperatorContext( |
| 4, new PlanNodeId("4"), OffsetOperator.class.getSimpleName()); |
| fragmentInstanceContext.addOperatorContext( |
| 5, new PlanNodeId("5"), LimitOperator.class.getSimpleName()); |
| SeriesScanOperator seriesScanOperator1 = |
| new SeriesScanOperator( |
| planNodeId1, |
| measurementPath1, |
| allSensors, |
| TSDataType.INT32, |
| fragmentInstanceContext.getOperatorContexts().get(0), |
| null, |
| null, |
| true); |
| seriesScanOperator1.initQueryDataSource(new QueryDataSource(seqResources, unSeqResources)); |
| |
| MeasurementPath measurementPath2 = |
| new MeasurementPath(TIME_JOIN_OPERATOR_TEST_SG + ".device0.sensor1", TSDataType.INT32); |
| SeriesScanOperator seriesScanOperator2 = |
| new SeriesScanOperator( |
| planNodeId2, |
| measurementPath2, |
| allSensors, |
| TSDataType.INT32, |
| fragmentInstanceContext.getOperatorContexts().get(1), |
| null, |
| null, |
| true); |
| seriesScanOperator2.initQueryDataSource(new QueryDataSource(seqResources, unSeqResources)); |
| |
| TimeJoinOperator timeJoinOperator = |
| new TimeJoinOperator( |
| fragmentInstanceContext.getOperatorContexts().get(2), |
| Arrays.asList(seriesScanOperator1, seriesScanOperator2), |
| Ordering.ASC, |
| Arrays.asList(TSDataType.INT32, TSDataType.INT32), |
| Arrays.asList( |
| new SingleColumnMerger(new InputLocation(0, 0), new AscTimeComparator()), |
| new SingleColumnMerger(new InputLocation(1, 0), new AscTimeComparator())), |
| new AscTimeComparator()); |
| |
| OffsetOperator offsetOperator = |
| new OffsetOperator( |
| fragmentInstanceContext.getOperatorContexts().get(3), 0, timeJoinOperator); |
| |
| int count = 0; |
| while (offsetOperator.hasNext()) { |
| TsBlock tsBlock = offsetOperator.next(); |
| assertEquals(2, tsBlock.getValueColumnCount()); |
| assertTrue(tsBlock.getColumn(0) instanceof IntColumn); |
| assertTrue(tsBlock.getColumn(1) instanceof IntColumn); |
| assertEquals(20, tsBlock.getPositionCount()); |
| for (int i = 0; i < tsBlock.getPositionCount(); i++) { |
| long expectedTime = i + 20L * count; |
| assertEquals(expectedTime, tsBlock.getTimeByIndex(i)); |
| if (expectedTime < 200) { |
| assertEquals(20000 + expectedTime, tsBlock.getColumn(0).getInt(i)); |
| assertEquals(20000 + expectedTime, tsBlock.getColumn(1).getInt(i)); |
| } else if (expectedTime < 260 |
| || (expectedTime >= 300 && expectedTime < 380) |
| || expectedTime >= 400) { |
| assertEquals(10000 + expectedTime, tsBlock.getColumn(0).getInt(i)); |
| assertEquals(10000 + expectedTime, tsBlock.getColumn(1).getInt(i)); |
| } else { |
| assertEquals(expectedTime, tsBlock.getColumn(0).getInt(i)); |
| assertEquals(expectedTime, tsBlock.getColumn(1).getInt(i)); |
| } |
| } |
| count++; |
| } |
| assertEquals(25, count); |
| } catch (IllegalPathException e) { |
| e.printStackTrace(); |
| fail(); |
| } finally { |
| instanceNotificationExecutor.shutdown(); |
| } |
| } |
| |
| /** offset is larger than max row number in which case we will get no data */ |
| @Test |
| public void batchTest3() { |
| ExecutorService instanceNotificationExecutor = |
| IoTDBThreadPoolFactory.newFixedThreadPool(1, "test-instance-notification"); |
| try { |
| MeasurementPath measurementPath1 = |
| new MeasurementPath(TIME_JOIN_OPERATOR_TEST_SG + ".device0.sensor0", TSDataType.INT32); |
| Set<String> allSensors = new HashSet<>(); |
| allSensors.add("sensor0"); |
| allSensors.add("sensor1"); |
| QueryId queryId = new QueryId("stub_query"); |
| FragmentInstanceId instanceId = |
| new FragmentInstanceId(new PlanFragmentId(queryId, 0), "stub-instance"); |
| FragmentInstanceStateMachine stateMachine = |
| new FragmentInstanceStateMachine(instanceId, instanceNotificationExecutor); |
| FragmentInstanceContext fragmentInstanceContext = |
| createFragmentInstanceContext(instanceId, stateMachine); |
| PlanNodeId planNodeId1 = new PlanNodeId("1"); |
| fragmentInstanceContext.addOperatorContext( |
| 1, planNodeId1, SeriesScanOperator.class.getSimpleName()); |
| PlanNodeId planNodeId2 = new PlanNodeId("2"); |
| fragmentInstanceContext.addOperatorContext( |
| 2, planNodeId2, SeriesScanOperator.class.getSimpleName()); |
| fragmentInstanceContext.addOperatorContext( |
| 3, new PlanNodeId("3"), TimeJoinOperator.class.getSimpleName()); |
| fragmentInstanceContext.addOperatorContext( |
| 4, new PlanNodeId("4"), OffsetOperator.class.getSimpleName()); |
| fragmentInstanceContext.addOperatorContext( |
| 5, new PlanNodeId("5"), LimitOperator.class.getSimpleName()); |
| SeriesScanOperator seriesScanOperator1 = |
| new SeriesScanOperator( |
| planNodeId1, |
| measurementPath1, |
| allSensors, |
| TSDataType.INT32, |
| fragmentInstanceContext.getOperatorContexts().get(0), |
| null, |
| null, |
| true); |
| seriesScanOperator1.initQueryDataSource(new QueryDataSource(seqResources, unSeqResources)); |
| |
| MeasurementPath measurementPath2 = |
| new MeasurementPath(TIME_JOIN_OPERATOR_TEST_SG + ".device0.sensor1", TSDataType.INT32); |
| SeriesScanOperator seriesScanOperator2 = |
| new SeriesScanOperator( |
| planNodeId2, |
| measurementPath2, |
| allSensors, |
| TSDataType.INT32, |
| fragmentInstanceContext.getOperatorContexts().get(1), |
| null, |
| null, |
| true); |
| seriesScanOperator2.initQueryDataSource(new QueryDataSource(seqResources, unSeqResources)); |
| |
| TimeJoinOperator timeJoinOperator = |
| new TimeJoinOperator( |
| fragmentInstanceContext.getOperatorContexts().get(2), |
| Arrays.asList(seriesScanOperator1, seriesScanOperator2), |
| Ordering.ASC, |
| Arrays.asList(TSDataType.INT32, TSDataType.INT32), |
| Arrays.asList( |
| new SingleColumnMerger(new InputLocation(0, 0), new AscTimeComparator()), |
| new SingleColumnMerger(new InputLocation(1, 0), new AscTimeComparator())), |
| new AscTimeComparator()); |
| |
| OffsetOperator offsetOperator = |
| new OffsetOperator( |
| fragmentInstanceContext.getOperatorContexts().get(3), 500, timeJoinOperator); |
| |
| int count = 0; |
| while (offsetOperator.hasNext()) { |
| TsBlock tsBlock = offsetOperator.next(); |
| assertEquals(2, tsBlock.getValueColumnCount()); |
| assertTrue(tsBlock.getColumn(0) instanceof IntColumn); |
| assertTrue(tsBlock.getColumn(1) instanceof IntColumn); |
| assertEquals(0, tsBlock.getPositionCount()); |
| count++; |
| } |
| assertEquals(25, count); |
| } catch (IllegalPathException e) { |
| e.printStackTrace(); |
| fail(); |
| } finally { |
| instanceNotificationExecutor.shutdown(); |
| } |
| } |
| } |
