qiaojialin commented on a change in pull request #796: [IoTDB-468] Restructure QueryPlan URL: https://github.com/apache/incubator-iotdb/pull/796#discussion_r378230907
########## File path: server/src/main/java/org/apache/iotdb/db/qp/physical/crud/AlignByDevicePlan.java ########## @@ -0,0 +1,180 @@ +/* + * 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.qp.physical.crud; + +import java.util.ArrayList; +import java.util.List; +import java.util.Map; +import java.util.Set; +import org.apache.iotdb.db.qp.logical.Operator; +import org.apache.iotdb.db.qp.logical.Operator.OperatorType; +import org.apache.iotdb.tsfile.file.metadata.enums.TSDataType; +import org.apache.iotdb.tsfile.read.expression.IExpression; + +public class AlignByDevicePlan extends QueryPlan { + + private List<String> measurements; // e.g. temperature, status, speed + private Map<String, Set<String>> deviceToMeasurementsMap; // e.g. root.ln.d1 -> temperature + // to check data type consistency for the same name sensor of different devices + private Map<String, TSDataType> dataTypeConsistencyChecker; + private Map<String, IExpression> deviceToFilterMap; + + private GroupByPlan groupByPlan; + private FillQueryPlan fillQueryPlan; + private AggregationPlan aggregationPlan; + + // the measurements that do not exist in any device, + // data type is considered as Boolean. The value is considered as null + private List<String> notExistMeasurements = new ArrayList<>(); + private List<Integer> positionOfNotExistMeasurements = new ArrayList<>(); + // the measurements that have quotation mark. e.g. "abc", + // '11', the data type is considered as String and the value is considered is the same with measurement name + private List<String> constMeasurements = new ArrayList<>(); + private List<Integer> positionOfConstMeasurements = new ArrayList<>(); + + public AlignByDevicePlan() { + super(); + } + + public AlignByDevicePlan(boolean isQuery, Operator.OperatorType operatorType) { Review comment: remove this unused ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: us...@infra.apache.org With regards, Apache Git Services
