[remove datanode] Add Remove DataNode SQL #14678
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,43 @@ | ||
| /* | ||
| * 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.queryengine.plan.execution.config.metadata; | ||
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| import org.apache.iotdb.db.queryengine.plan.execution.config.ConfigTaskResult; | ||
| import org.apache.iotdb.db.queryengine.plan.execution.config.IConfigTask; | ||
| import org.apache.iotdb.db.queryengine.plan.execution.config.executor.IConfigTaskExecutor; | ||
| import org.apache.iotdb.db.queryengine.plan.statement.metadata.RemoveDataNodeStatement; | ||
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| import com.google.common.util.concurrent.ListenableFuture; | ||
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| public class RemoveDataNodeTask implements IConfigTask { | ||
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| protected final RemoveDataNodeStatement statement; | ||
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| public RemoveDataNodeTask(RemoveDataNodeStatement removeDataNodeStatement) { | ||
| this.statement = removeDataNodeStatement; | ||
| } | ||
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| @Override | ||
| public ListenableFuture<ConfigTaskResult> execute(IConfigTaskExecutor configTaskExecutor) { | ||
| // If the action is executed successfully, return the Future. | ||
| // If your operation is async, you can return the corresponding future directly. | ||
| return configTaskExecutor.removeDataNode(statement); | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,60 @@ | ||
| /* | ||
| * 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.queryengine.plan.statement.metadata; | ||
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| import org.apache.iotdb.commons.path.PartialPath; | ||
| import org.apache.iotdb.db.queryengine.plan.analyze.QueryType; | ||
| import org.apache.iotdb.db.queryengine.plan.statement.IConfigStatement; | ||
| import org.apache.iotdb.db.queryengine.plan.statement.Statement; | ||
| import org.apache.iotdb.db.queryengine.plan.statement.StatementVisitor; | ||
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| import java.util.Collections; | ||
| import java.util.HashSet; | ||
| import java.util.List; | ||
| import java.util.Set; | ||
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| public class RemoveDataNodeStatement extends Statement implements IConfigStatement { | ||
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| final Set<Integer> nodeIds; | ||
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| public RemoveDataNodeStatement(List<Integer> dataNodeIDs) { | ||
| super(); | ||
| this.nodeIds = new HashSet<>(dataNodeIDs); | ||
| } | ||
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| public Set<Integer> getNodeIds() { | ||
| return nodeIds; | ||
| } | ||
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| @Override | ||
| public <R, C> R accept(StatementVisitor<R, C> visitor, C context) { | ||
| return visitor.visitRemoveDataNode(this, context); | ||
| } | ||
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| @Override | ||
| public QueryType getQueryType() { | ||
| return QueryType.WRITE; | ||
| } | ||
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| @Override | ||
| public List<PartialPath> getPaths() { | ||
| return Collections.emptyList(); | ||
| } | ||
| } |
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remove datanodes?
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Both "datanode" and "datanodes" make sense in this context, so I’d prefer to leave it as is for now.