DanielWang2035 commented on code in PR #13706: URL: https://github.com/apache/iotdb/pull/13706#discussion_r1799495238
########## iotdb-core/datanode/src/main/java/org/apache/iotdb/db/queryengine/plan/analyze/load/LoadTsFileAnalyzer.java: ########## @@ -0,0 +1,224 @@ +/* + * 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.analyze.load; + +import org.apache.iotdb.commons.auth.AuthException; +import org.apache.iotdb.db.exception.sql.SemanticException; +import org.apache.iotdb.db.queryengine.common.MPPQueryContext; +import org.apache.iotdb.db.queryengine.plan.analyze.ClusterPartitionFetcher; +import org.apache.iotdb.db.queryengine.plan.analyze.IAnalysis; +import org.apache.iotdb.db.queryengine.plan.analyze.IPartitionFetcher; +import org.apache.iotdb.db.queryengine.plan.analyze.schema.ClusterSchemaFetcher; +import org.apache.iotdb.db.queryengine.plan.analyze.schema.ISchemaFetcher; +import org.apache.iotdb.db.queryengine.plan.relational.sql.ast.LoadTsFile; +import org.apache.iotdb.db.queryengine.plan.statement.crud.LoadTsFileStatement; +import org.apache.iotdb.db.storageengine.dataregion.tsfile.TsFileResource; +import org.apache.iotdb.rpc.RpcUtils; +import org.apache.iotdb.rpc.TSStatusCode; + +import org.apache.tsfile.file.metadata.IDeviceID; +import org.apache.tsfile.file.metadata.TimeseriesMetadata; +import org.apache.tsfile.read.TsFileSequenceReader; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +import java.io.File; +import java.io.IOException; +import java.nio.BufferUnderflowException; +import java.util.List; +import java.util.Map; + +public abstract class LoadTsFileAnalyzer implements AutoCloseable { + + private static final Logger LOGGER = LoggerFactory.getLogger(LoadTsFileAnalyzer.class); + + // These are only used when constructed from tree model SQL + private final LoadTsFileStatement loadTsFileStatement; + + // These are only used when constructed from table model SQL + private final LoadTsFile loadTsFileTableStatement; + + private final boolean isTableModelStatement; + + protected final List<File> tsFiles; + protected final String statementString; + protected final boolean isVerifySchema; + + protected final boolean isDeleteAfterLoad; + + protected final boolean isAutoCreateDatabase; + + protected final int databaseLevel; + + protected final String database; + + final MPPQueryContext context; + + final IPartitionFetcher partitionFetcher = ClusterPartitionFetcher.getInstance(); + final ISchemaFetcher schemaFetcher = ClusterSchemaFetcher.getInstance(); + + LoadTsFileAnalyzer(LoadTsFileStatement loadTsFileStatement, MPPQueryContext context) { + this.loadTsFileStatement = loadTsFileStatement; + this.tsFiles = loadTsFileStatement.getTsFiles(); + this.statementString = loadTsFileStatement.toString(); + this.isVerifySchema = loadTsFileStatement.isVerifySchema(); + this.isDeleteAfterLoad = loadTsFileStatement.isDeleteAfterLoad(); + this.isAutoCreateDatabase = loadTsFileStatement.isAutoCreateDatabase(); + this.databaseLevel = loadTsFileStatement.getDatabaseLevel(); + this.database = loadTsFileStatement.getDatabase(); + + this.loadTsFileTableStatement = null; + this.isTableModelStatement = false; + this.context = context; + } + + LoadTsFileAnalyzer(LoadTsFile loadTsFileTableStatement, MPPQueryContext context) { + this.loadTsFileTableStatement = loadTsFileTableStatement; + this.tsFiles = loadTsFileTableStatement.getTsFiles(); + this.statementString = loadTsFileTableStatement.toString(); + this.isVerifySchema = true; + this.isDeleteAfterLoad = loadTsFileTableStatement.isDeleteAfterLoad(); + this.isAutoCreateDatabase = loadTsFileTableStatement.isAutoCreateDatabase(); + this.databaseLevel = loadTsFileTableStatement.getDatabaseLevel(); + this.database = loadTsFileTableStatement.getDatabase(); + + this.loadTsFileStatement = null; + this.isTableModelStatement = true; + this.context = context; + } + + public abstract IAnalysis analyzeFileByFile(IAnalysis analysis); + + protected boolean doAnalyzeFileByFile(IAnalysis analysis) { + // analyze tsfile metadata file by file + for (int i = 0, tsfileNum = tsFiles.size(); i < tsfileNum; i++) { + final File tsFile = tsFiles.get(i); + + if (tsFile.length() == 0) { + if (LOGGER.isWarnEnabled()) { + LOGGER.warn("TsFile {} is empty.", tsFile.getPath()); + } + if (LOGGER.isInfoEnabled()) { + LOGGER.info( + "Load - Analysis Stage: {}/{} tsfiles have been analyzed, progress: {}%", + i + 1, tsfileNum, String.format("%.3f", (i + 1) * 100.00 / tsfileNum)); + } + continue; + } + + try { + analyzeSingleTsFile(tsFile); + if (LOGGER.isInfoEnabled()) { + LOGGER.info( + "Load - Analysis Stage: {}/{} tsfiles have been analyzed, progress: {}%", + i + 1, tsfileNum, String.format("%.3f", (i + 1) * 100.00 / tsfileNum)); + } + } catch (AuthException e) { + setFailAnalysisForAuthException(analysis, e); + return false; + } catch (BufferUnderflowException e) { + LOGGER.warn( + "The file {} is not a valid tsfile. Please check the input file.", tsFile.getPath(), e); + throw new SemanticException( + String.format( + "The file %s is not a valid tsfile. Please check the input file.", + tsFile.getPath())); + } catch (Exception e) { + final String exceptionMessage = + String.format( + "The file %s is not a valid tsfile. Please check the input file. Detail: %s", + tsFile.getPath(), e.getMessage() == null ? e.getClass().getName() : e.getMessage()); + LOGGER.warn(exceptionMessage, e); + analysis.setFinishQueryAfterAnalyze(true); + analysis.setFailStatus(RpcUtils.getStatus(TSStatusCode.LOAD_FILE_ERROR, exceptionMessage)); + return false; + } + } + return true; + } + + protected abstract void analyzeSingleTsFile(final File tsFile) throws IOException, AuthException; + + protected TsFileResource constructTsFileResource( + final TsFileSequenceReader reader, final File tsFile) throws IOException { + final TsFileResource tsFileResource = new TsFileResource(tsFile); + if (!tsFileResource.resourceFileExists()) { + // it will be serialized in LoadSingleTsFileNode + tsFileResource.updatePlanIndexes(reader.getMinPlanIndex()); + tsFileResource.updatePlanIndexes(reader.getMaxPlanIndex()); + } else { + tsFileResource.deserialize(); + } + return tsFileResource; + } + + protected String getStatementString() { + return statementString; + } + + protected void setRealStatement(IAnalysis analysis) { + if (isTableModelStatement) { + // Do nothing by now. + } else { + analysis.setRealStatement(loadTsFileStatement); + } + } + + protected void addTsFileResource(TsFileResource tsFileResource) { + if (isTableModelStatement) { + loadTsFileTableStatement.addTsFileResource(tsFileResource); + } else { + loadTsFileStatement.addTsFileResource(tsFileResource); + } + } + + protected void addWritePointCount(long writePointCount) { + if (isTableModelStatement) { + loadTsFileTableStatement.addWritePointCount(writePointCount); + } else { + loadTsFileStatement.addWritePointCount(writePointCount); + } + } + + protected boolean isVerifySchema() { + return isVerifySchema; + } + + protected boolean isAutoCreateDatabase() { + return isAutoCreateDatabase; + } + + protected int getDatabaseLevel() { + return databaseLevel; + } + + protected long getWritePointCount( + Map<IDeviceID, List<TimeseriesMetadata>> device2TimeseriesMetadata) { Review Comment: TODO: need List<TimeseriesMetadata>? -- This is an automated message from the Apache Git Service. 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