| /* |
| * 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.storageengine.dataregion.read.reader.series; |
| |
| import org.apache.iotdb.commons.exception.IllegalPathException; |
| import org.apache.iotdb.commons.path.AlignedPath; |
| import org.apache.iotdb.db.queryengine.execution.operator.source.AlignedSeriesScanUtil; |
| import org.apache.iotdb.db.queryengine.plan.planner.plan.parameter.SeriesScanOptions; |
| import org.apache.iotdb.db.queryengine.plan.statement.component.Ordering; |
| import org.apache.iotdb.db.storageengine.dataregion.read.QueryDataSource; |
| import org.apache.iotdb.db.utils.EnvironmentUtils; |
| import org.apache.iotdb.tsfile.file.metadata.PlainDeviceID; |
| import org.apache.iotdb.tsfile.file.metadata.enums.TSDataType; |
| import org.apache.iotdb.tsfile.read.common.block.TsBlock; |
| import org.apache.iotdb.tsfile.write.schema.MeasurementSchema; |
| |
| import org.junit.Assert; |
| import org.junit.Test; |
| |
| import java.io.IOException; |
| import java.util.Collections; |
| import java.util.HashSet; |
| |
| public class AlignedSingleColumnSeriesScanLimitOffsetPushDownTest |
| extends AbstractAlignedSeriesScanTest { |
| |
| private static final int TEST_LIMIT = 5; |
| |
| private AlignedSeriesScanUtil getAlignedSingleColumnSeriesScanUtil(long offset) |
| throws IllegalPathException { |
| AlignedPath scanPath = |
| new AlignedPath( |
| ((PlainDeviceID) TEST_DEVICE).toStringID(), |
| Collections.singletonList("s1"), |
| Collections.singletonList(new MeasurementSchema("s1", TSDataType.INT32))); |
| |
| SeriesScanOptions.Builder scanOptionsBuilder = new SeriesScanOptions.Builder(); |
| scanOptionsBuilder.withAllSensors(new HashSet<>(scanPath.getMeasurementList())); |
| scanOptionsBuilder.withPushDownLimit(TEST_LIMIT); |
| scanOptionsBuilder.withPushDownOffset(offset); |
| AlignedSeriesScanUtil seriesScanUtil = |
| new AlignedSeriesScanUtil( |
| scanPath, |
| Ordering.ASC, |
| scanOptionsBuilder.build(), |
| EnvironmentUtils.TEST_QUERY_FI_CONTEXT); |
| seriesScanUtil.initQueryDataSource(new QueryDataSource(seqResources, unSeqResources)); |
| return seriesScanUtil; |
| } |
| |
| @Test |
| public void testSkipFile() throws IllegalPathException, IOException { |
| AlignedSeriesScanUtil seriesScanUtil = getAlignedSingleColumnSeriesScanUtil(20); |
| |
| // File 1 skipped |
| // File 2 |
| Assert.assertTrue(seriesScanUtil.hasNextFile()); |
| Assert.assertTrue(seriesScanUtil.hasNextChunk()); |
| Assert.assertTrue(seriesScanUtil.hasNextPage()); |
| |
| TsBlock tsBlock = seriesScanUtil.nextPage(); |
| Assert.assertEquals(0, tsBlock.getPositionCount()); |
| |
| Assert.assertFalse(seriesScanUtil.hasNextPage()); |
| Assert.assertFalse(seriesScanUtil.hasNextChunk()); |
| |
| Assert.assertTrue(seriesScanUtil.hasNextFile()); |
| Assert.assertTrue(seriesScanUtil.hasNextChunk()); |
| Assert.assertTrue(seriesScanUtil.hasNextPage()); |
| |
| tsBlock = seriesScanUtil.nextPage(); |
| Assert.assertEquals(5, tsBlock.getPositionCount()); |
| long expectedTime = 24; |
| for (int i = 0, size = tsBlock.getPositionCount(); i < size; i++) { |
| Assert.assertEquals(expectedTime++, tsBlock.getTimeByIndex(i)); |
| } |
| } |
| |
| @Test |
| public void testSkipChunk() throws IllegalPathException, IOException { |
| AlignedSeriesScanUtil seriesScanUtil = getAlignedSingleColumnSeriesScanUtil(30); |
| |
| // File 1 skipped (10 points) |
| // File 2 skipped (6 points) |
| Assert.assertTrue(seriesScanUtil.hasNextFile()); |
| Assert.assertTrue(seriesScanUtil.hasNextChunk()); |
| Assert.assertTrue(seriesScanUtil.hasNextPage()); |
| |
| TsBlock tsBlock = seriesScanUtil.nextPage(); |
| Assert.assertEquals(0, tsBlock.getPositionCount()); |
| |
| Assert.assertFalse(seriesScanUtil.hasNextPage()); |
| Assert.assertFalse(seriesScanUtil.hasNextChunk()); |
| |
| // File 3 |
| Assert.assertTrue(seriesScanUtil.hasNextFile()); |
| // File 3 Chunk 1 skipped (10 points) |
| // File 3 Chunk 2 (6 points should skip 4 points) |
| Assert.assertTrue(seriesScanUtil.hasNextChunk()); |
| Assert.assertTrue(seriesScanUtil.hasNextPage()); |
| |
| tsBlock = seriesScanUtil.nextPage(); |
| Assert.assertEquals(2, tsBlock.getPositionCount()); |
| long expectedTime = 34; |
| for (int i = 0, size = tsBlock.getPositionCount(); i < size; i++) { |
| Assert.assertEquals(expectedTime++, tsBlock.getTimeByIndex(i)); |
| } |
| // remaining 3 points selected |
| |
| Assert.assertFalse(seriesScanUtil.hasNextPage()); |
| Assert.assertFalse(seriesScanUtil.hasNextChunk()); |
| |
| // File 3 |
| Assert.assertTrue(seriesScanUtil.hasNextFile()); |
| Assert.assertTrue(seriesScanUtil.hasNextChunk()); |
| Assert.assertTrue(seriesScanUtil.hasNextPage()); |
| tsBlock = seriesScanUtil.nextPage(); |
| Assert.assertEquals(3, tsBlock.getPositionCount()); |
| expectedTime = 40; |
| for (int i = 0, size = tsBlock.getPositionCount(); i < size; i++) { |
| Assert.assertEquals(expectedTime++, tsBlock.getTimeByIndex(i)); |
| } |
| |
| Assert.assertFalse(seriesScanUtil.hasNextPage()); |
| Assert.assertFalse(seriesScanUtil.hasNextChunk()); |
| Assert.assertFalse(seriesScanUtil.hasNextFile()); |
| } |
| |
| @Test |
| public void testSkipPage() throws IllegalPathException, IOException { |
| AlignedSeriesScanUtil seriesScanUtil = getAlignedSingleColumnSeriesScanUtil(45); |
| |
| // File 1 skipped (10 points) |
| // File 2 skipped (6 points) |
| Assert.assertTrue(seriesScanUtil.hasNextFile()); |
| Assert.assertTrue(seriesScanUtil.hasNextChunk()); |
| Assert.assertTrue(seriesScanUtil.hasNextPage()); |
| |
| TsBlock tsBlock = seriesScanUtil.nextPage(); |
| Assert.assertEquals(0, tsBlock.getPositionCount()); |
| |
| Assert.assertFalse(seriesScanUtil.hasNextPage()); |
| Assert.assertFalse(seriesScanUtil.hasNextChunk()); |
| |
| // File 3 |
| Assert.assertTrue(seriesScanUtil.hasNextFile()); |
| |
| // File 3 - Chunk 1 skipped (10 points) |
| // File 3 - Chunk 2 skipped (6 points) |
| Assert.assertTrue(seriesScanUtil.hasNextChunk()); |
| Assert.assertTrue(seriesScanUtil.hasNextPage()); |
| |
| tsBlock = seriesScanUtil.nextPage(); |
| Assert.assertEquals(0, tsBlock.getPositionCount()); |
| |
| Assert.assertFalse(seriesScanUtil.hasNextPage()); |
| Assert.assertFalse(seriesScanUtil.hasNextChunk()); |
| |
| // File 4 |
| Assert.assertTrue(seriesScanUtil.hasNextFile()); |
| |
| // File 4 - Chunk 1 - Page 1 skipped (10 points) |
| // File 4 - Chunk 1 - Page 2 (6 points should skip 3 points) |
| Assert.assertTrue(seriesScanUtil.hasNextChunk()); |
| Assert.assertTrue(seriesScanUtil.hasNextPage()); |
| tsBlock = seriesScanUtil.nextPage(); |
| Assert.assertEquals(3, tsBlock.getPositionCount()); |
| long expectedTime = 53; |
| for (int i = 0, size = tsBlock.getPositionCount(); i < size; i++) { |
| Assert.assertEquals(expectedTime++, tsBlock.getTimeByIndex(i)); |
| } |
| Assert.assertFalse(seriesScanUtil.hasNextPage()); |
| |
| // File 4 - Chunk 1 - Page 2 (remaining 2 points) |
| Assert.assertTrue(seriesScanUtil.hasNextChunk()); |
| Assert.assertTrue(seriesScanUtil.hasNextPage()); |
| |
| tsBlock = seriesScanUtil.nextPage(); |
| Assert.assertEquals(2, tsBlock.getPositionCount()); |
| expectedTime = 60; |
| for (int i = 0, size = tsBlock.getPositionCount(); i < size; i++) { |
| Assert.assertEquals(expectedTime++, tsBlock.getTimeByIndex(i)); |
| } |
| } |
| } |