| /* |
| * 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.execution.operator.process; |
| |
| import org.apache.iotdb.commons.path.PartialPath; |
| import org.apache.iotdb.db.queryengine.common.header.ColumnHeader; |
| import org.apache.iotdb.db.queryengine.common.header.ColumnHeaderConstant; |
| import org.apache.iotdb.db.queryengine.execution.operator.Operator; |
| import org.apache.iotdb.db.queryengine.execution.operator.OperatorContext; |
| import org.apache.iotdb.db.queryengine.plan.planner.plan.parameter.InputLocation; |
| import org.apache.iotdb.db.queryengine.plan.statement.crud.InsertMultiTabletsStatement; |
| import org.apache.iotdb.tsfile.common.conf.TSFileConfig; |
| 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.TsBlockBuilder; |
| import org.apache.iotdb.tsfile.read.common.block.column.ColumnBuilder; |
| import org.apache.iotdb.tsfile.read.common.block.column.TimeColumnBuilder; |
| import org.apache.iotdb.tsfile.utils.Binary; |
| import org.apache.iotdb.tsfile.utils.Pair; |
| |
| import java.util.List; |
| import java.util.Map; |
| import java.util.Objects; |
| import java.util.concurrent.ExecutorService; |
| import java.util.stream.Collectors; |
| |
| public class DeviceViewIntoOperator extends AbstractIntoOperator { |
| |
| private final Map<String, Map<PartialPath, Map<String, InputLocation>>> |
| deviceToTargetPathSourceInputLocationMap; |
| private final Map<String, Map<PartialPath, Map<String, TSDataType>>> |
| deviceToTargetPathDataTypeMap; |
| private final Map<String, Boolean> targetDeviceToAlignedMap; |
| private final Map<String, List<Pair<String, PartialPath>>> deviceToSourceTargetPathPairListMap; |
| |
| private final int deviceColumnIndex; |
| private String currentDevice; |
| |
| private final TsBlockBuilder resultTsBlockBuilder; |
| |
| @SuppressWarnings("squid:S107") |
| public DeviceViewIntoOperator( |
| OperatorContext operatorContext, |
| Operator child, |
| List<TSDataType> inputColumnTypes, |
| Map<String, Map<PartialPath, Map<String, InputLocation>>> |
| deviceToTargetPathSourceInputLocationMap, |
| Map<String, Map<PartialPath, Map<String, TSDataType>>> deviceToTargetPathDataTypeMap, |
| Map<String, Boolean> targetDeviceToAlignedMap, |
| Map<String, List<Pair<String, PartialPath>>> deviceToSourceTargetPathPairListMap, |
| Map<String, InputLocation> sourceColumnToInputLocationMap, |
| ExecutorService intoOperationExecutor, |
| long statementSizePerLine) { |
| super(operatorContext, child, inputColumnTypes, intoOperationExecutor, statementSizePerLine); |
| this.deviceToTargetPathSourceInputLocationMap = deviceToTargetPathSourceInputLocationMap; |
| this.deviceToTargetPathDataTypeMap = deviceToTargetPathDataTypeMap; |
| this.targetDeviceToAlignedMap = targetDeviceToAlignedMap; |
| this.deviceToSourceTargetPathPairListMap = deviceToSourceTargetPathPairListMap; |
| |
| List<TSDataType> outputDataTypes = |
| ColumnHeaderConstant.selectIntoAlignByDeviceColumnHeaders.stream() |
| .map(ColumnHeader::getColumnType) |
| .collect(Collectors.toList()); |
| this.resultTsBlockBuilder = new TsBlockBuilder(outputDataTypes); |
| |
| this.deviceColumnIndex = |
| sourceColumnToInputLocationMap.get(ColumnHeaderConstant.DEVICE).getValueColumnIndex(); |
| } |
| |
| @Override |
| protected boolean processTsBlock(TsBlock inputTsBlock) { |
| if (inputTsBlock == null || inputTsBlock.isEmpty()) { |
| return true; |
| } |
| |
| String device = String.valueOf(inputTsBlock.getValueColumns()[deviceColumnIndex].getBinary(0)); |
| if (!Objects.equals(device, currentDevice)) { |
| final InsertMultiTabletsStatement insertMultiTabletsStatement = |
| constructInsertMultiTabletsStatement(false); |
| updateResultTsBlock(); |
| |
| insertTabletStatementGenerators = constructInsertTabletStatementGeneratorsByDevice(device); |
| currentDevice = device; |
| |
| if (insertMultiTabletsStatement != null) { |
| executeInsertMultiTabletsStatement(insertMultiTabletsStatement); |
| cachedTsBlock = inputTsBlock; |
| return false; |
| } |
| } |
| |
| int readIndex = 0; |
| while (readIndex < inputTsBlock.getPositionCount()) { |
| int lastReadIndex = readIndex; |
| for (AbstractIntoOperator.InsertTabletStatementGenerator generator : |
| insertTabletStatementGenerators) { |
| lastReadIndex = Math.max(lastReadIndex, generator.processTsBlock(inputTsBlock, readIndex)); |
| } |
| readIndex = lastReadIndex; |
| if (insertMultiTabletsInternally(true)) { |
| cachedTsBlock = inputTsBlock.subTsBlock(readIndex); |
| return false; |
| } |
| } |
| return true; |
| } |
| |
| @Override |
| protected TsBlock tryToReturnResultTsBlock() { |
| InsertMultiTabletsStatement insertMultiTabletsStatement = |
| constructInsertMultiTabletsStatement(false); |
| updateResultTsBlock(); |
| currentDevice = null; |
| |
| if (insertMultiTabletsStatement != null) { |
| executeInsertMultiTabletsStatement(insertMultiTabletsStatement); |
| return null; |
| } |
| |
| finished = true; |
| return resultTsBlockBuilder.build(); |
| } |
| |
| private List<AbstractIntoOperator.InsertTabletStatementGenerator> |
| constructInsertTabletStatementGeneratorsByDevice(String currentDevice) { |
| Map<PartialPath, Map<String, InputLocation>> targetPathToSourceInputLocationMap = |
| deviceToTargetPathSourceInputLocationMap.get(currentDevice); |
| Map<PartialPath, Map<String, TSDataType>> targetPathToDataTypeMap = |
| deviceToTargetPathDataTypeMap.get(currentDevice); |
| return constructInsertTabletStatementGenerators( |
| targetPathToSourceInputLocationMap, |
| targetPathToDataTypeMap, |
| targetDeviceToAlignedMap, |
| typeConvertors, |
| maxRowNumberInStatement); |
| } |
| |
| private void updateResultTsBlock() { |
| if (currentDevice == null) { |
| return; |
| } |
| |
| TimeColumnBuilder timeColumnBuilder = resultTsBlockBuilder.getTimeColumnBuilder(); |
| ColumnBuilder[] columnBuilders = resultTsBlockBuilder.getValueColumnBuilders(); |
| for (Pair<String, PartialPath> sourceTargetPathPair : |
| deviceToSourceTargetPathPairListMap.get(currentDevice)) { |
| timeColumnBuilder.writeLong(0); |
| columnBuilders[0].writeBinary(new Binary(currentDevice, TSFileConfig.STRING_CHARSET)); |
| columnBuilders[1].writeBinary( |
| new Binary(sourceTargetPathPair.left, TSFileConfig.STRING_CHARSET)); |
| columnBuilders[2].writeBinary( |
| new Binary(sourceTargetPathPair.right.toString(), TSFileConfig.STRING_CHARSET)); |
| columnBuilders[3].writeInt( |
| findWritten( |
| sourceTargetPathPair.right.getDevice(), sourceTargetPathPair.right.getMeasurement())); |
| resultTsBlockBuilder.declarePosition(); |
| } |
| } |
| } |