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[IOTDB-3184] Set up Delete timeseries statement and PlanNodes (#5974)
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100
...a/org/apache/iotdb/db/mpp/plan/planner/plan/node/metedata/write/DeleteTimeSeriesNode.java
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| /* | ||
| * 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. | ||
| */ | ||
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| package org.apache.iotdb.db.mpp.plan.planner.plan.node.metedata.write; | ||
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| import org.apache.iotdb.common.rpc.thrift.TRegionReplicaSet; | ||
| import org.apache.iotdb.commons.path.PartialPath; | ||
| import org.apache.iotdb.db.metadata.path.PathDeserializeUtil; | ||
| import org.apache.iotdb.db.mpp.plan.analyze.Analysis; | ||
| import org.apache.iotdb.db.mpp.plan.planner.plan.node.PlanNode; | ||
| import org.apache.iotdb.db.mpp.plan.planner.plan.node.PlanNodeId; | ||
| import org.apache.iotdb.db.mpp.plan.planner.plan.node.PlanNodeType; | ||
| import org.apache.iotdb.db.mpp.plan.planner.plan.node.WritePlanNode; | ||
| import org.apache.iotdb.tsfile.utils.ReadWriteIOUtils; | ||
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| import java.nio.ByteBuffer; | ||
| import java.util.ArrayList; | ||
| import java.util.List; | ||
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| public class DeleteTimeSeriesNode extends WritePlanNode { | ||
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| private final List<PartialPath> pathList; | ||
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| public DeleteTimeSeriesNode(PlanNodeId id, List<PartialPath> pathList) { | ||
| super(id); | ||
| this.pathList = pathList; | ||
| } | ||
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| public List<PartialPath> getPathList() { | ||
| return pathList; | ||
| } | ||
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| @Override | ||
| public List<PlanNode> getChildren() { | ||
| return null; | ||
| } | ||
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| @Override | ||
| public void addChild(PlanNode child) {} | ||
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| @Override | ||
| public PlanNode clone() { | ||
| return new DeleteTimeSeriesNode(getPlanNodeId(), pathList); | ||
| } | ||
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| @Override | ||
| public int allowedChildCount() { | ||
| return 0; | ||
| } | ||
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| @Override | ||
| public List<String> getOutputColumnNames() { | ||
| return null; | ||
| } | ||
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| @Override | ||
| protected void serializeAttributes(ByteBuffer byteBuffer) { | ||
| PlanNodeType.DELETE_TIMESERIES.serialize(byteBuffer); | ||
| ReadWriteIOUtils.write(pathList.size(), byteBuffer); | ||
| for (PartialPath path : pathList) { | ||
| path.serialize(byteBuffer); | ||
| } | ||
| } | ||
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| public static DeleteTimeSeriesNode deserialize(ByteBuffer byteBuffer) { | ||
| int size = ReadWriteIOUtils.readInt(byteBuffer); | ||
| List<PartialPath> pathList = new ArrayList<>(size); | ||
| for (int i = 0; i < size; i++) { | ||
| pathList.add((PartialPath) PathDeserializeUtil.deserialize(byteBuffer)); | ||
| } | ||
| PlanNodeId planNodeId = PlanNodeId.deserialize(byteBuffer); | ||
| return new DeleteTimeSeriesNode(planNodeId, pathList); | ||
| } | ||
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| @Override | ||
| public TRegionReplicaSet getRegionReplicaSet() { | ||
| return null; | ||
| } | ||
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| @Override | ||
| public List<WritePlanNode> splitByPartition(Analysis analysis) { | ||
| return null; | ||
| } | ||
| } |
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