chrisdutz commented on code in PR #12852: URL: https://github.com/apache/iotdb/pull/12852#discussion_r1668361181
########## iotdb-core/datanode/src/main/java/org/apache/iotdb/db/queryengine/plan/execution/config/metadata/relational/ShowRegionsTask.java: ########## @@ -0,0 +1,119 @@ +/* + * 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.plan.execution.config.metadata.relational; + +import org.apache.iotdb.common.rpc.thrift.TConsensusGroupType; +import org.apache.iotdb.confignode.rpc.thrift.TRegionInfo; +import org.apache.iotdb.confignode.rpc.thrift.TShowRegionResp; +import org.apache.iotdb.db.queryengine.common.header.ColumnHeader; +import org.apache.iotdb.db.queryengine.common.header.ColumnHeaderConstant; +import org.apache.iotdb.db.queryengine.common.header.DatasetHeader; +import org.apache.iotdb.db.queryengine.common.header.DatasetHeaderFactory; +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.relational.sql.ast.ShowRegions; +import org.apache.iotdb.db.utils.DateTimeUtils; +import org.apache.iotdb.rpc.TSStatusCode; + +import com.google.common.util.concurrent.ListenableFuture; +import com.google.common.util.concurrent.SettableFuture; +import org.apache.tsfile.common.conf.TSFileConfig; +import org.apache.tsfile.enums.TSDataType; +import org.apache.tsfile.read.common.block.TsBlockBuilder; +import org.apache.tsfile.utils.Binary; +import org.apache.tsfile.utils.BytesUtils; + +import java.util.List; +import java.util.stream.Collectors; + +public class ShowRegionsTask implements IConfigTask { + + private final ShowRegions showRegions; + + public ShowRegionsTask(ShowRegions showRegions) { + this.showRegions = showRegions; + } + + @Override + public ListenableFuture<ConfigTaskResult> execute(IConfigTaskExecutor configTaskExecutor) + throws InterruptedException { + return configTaskExecutor.showRegions(showRegions); + } + + public static void buildTSBlock( + TShowRegionResp showRegionResp, SettableFuture<ConfigTaskResult> future) { + List<TSDataType> outputDataTypes = + ColumnHeaderConstant.showRegionColumnHeaders.stream() + .map(ColumnHeader::getColumnType) + .collect(Collectors.toList()); + TsBlockBuilder builder = new TsBlockBuilder(outputDataTypes); + if (showRegionResp.getRegionInfoList() != null) { + for (TRegionInfo regionInfo : showRegionResp.getRegionInfoList()) { + // The table model only supports one level of database names following the "root." prefix. + // We'll simply filter out all databases with more levels, as we can't read from or write to + // them using the table model. + if (regionInfo.getDatabase().substring(5).contains(".")) { + continue; + } Review Comment: And how do I select the sub-trees? Is just all - including "." characters - treated as a "table-name"? Right now I think the grammar wouldn't support that and that was why I asked in the chat. -- 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. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected]
