freemandealer commented on code in PR #19118: URL: https://github.com/apache/doris/pull/19118#discussion_r1191955960
########## fe/fe-core/src/main/java/org/apache/doris/planner/external/LoadPlanner.java: ########## @@ -0,0 +1,202 @@ +// 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.doris.planner.external; + +import org.apache.doris.analysis.Analyzer; +import org.apache.doris.analysis.BrokerDesc; +import org.apache.doris.analysis.DataDescription; +import org.apache.doris.analysis.DescriptorTable; +import org.apache.doris.analysis.SlotDescriptor; +import org.apache.doris.analysis.TupleDescriptor; +import org.apache.doris.analysis.UserIdentity; +import org.apache.doris.catalog.Column; +import org.apache.doris.catalog.Database; +import org.apache.doris.catalog.OlapTable; +import org.apache.doris.catalog.Type; +import org.apache.doris.common.Config; +import org.apache.doris.common.UserException; +import org.apache.doris.load.BrokerFileGroup; +import org.apache.doris.planner.DataPartition; +import org.apache.doris.planner.FileLoadScanNode; +import org.apache.doris.planner.OlapTableSink; +import org.apache.doris.planner.PlanFragment; +import org.apache.doris.planner.PlanFragmentId; +import org.apache.doris.planner.PlanNodeId; +import org.apache.doris.planner.ScanNode; +import org.apache.doris.task.LoadTaskInfo; +import org.apache.doris.thrift.TBrokerFileStatus; +import org.apache.doris.thrift.TExecPlanFragmentParams; +import org.apache.doris.thrift.TFileType; +import org.apache.doris.thrift.TUniqueId; + +import org.apache.logging.log4j.LogManager; +import org.apache.logging.log4j.Logger; + +import java.util.HashSet; +import java.util.List; + +public abstract class LoadPlanner { + + private static final Logger LOG = LogManager.getLogger(LoadPlanner.class); + + public List<List<TBrokerFileStatus>> fileStatusesList; + + public int filesAdded; + + protected LoadTaskInfo taskInfo; + + protected OlapTable table; + + // Something useful + // ConnectContext here is just a dummy object to avoid some NPE problem, like ctx.getDatabase() + protected Analyzer analyzer; + + protected DescriptorTable descTable; + + public void preparePlan(List<List<TBrokerFileStatus>> fileStatusesList, int filesAdded) { + this.fileStatusesList = fileStatusesList; + this.filesAdded = filesAdded; + } + + public abstract TExecPlanFragmentParams plan(TUniqueId loadId) throws UserException; + + public SlotDescriptor slotDescriptorBuilder(DescriptorTable descTable, + TupleDescriptor destTupleDesc, + TupleDescriptor scanTupleDesc, + Column col) { + SlotDescriptor slotDesc = descTable.addSlotDescriptor(destTupleDesc); + slotDesc.setIsMaterialized(true); + slotDesc.setColumn(col); + slotDesc.setIsNullable(col.isAllowNull()); + SlotDescriptor scanSlotDesc = descTable.addSlotDescriptor(scanTupleDesc); + scanSlotDesc.setIsMaterialized(true); + scanSlotDesc.setColumn(col); + scanSlotDesc.setIsNullable(col.isAllowNull()); + return scanSlotDesc; + } + + public void addAndSetSlotDescriptor(DescriptorTable descTable, TupleDescriptor scanTupleDesc) { + // Add an implicit container column "DORIS_DYNAMIC_COL" for dynamic columns + SlotDescriptor slotDesc = descTable.addSlotDescriptor(scanTupleDesc); + Column col = new Column(Column.DYNAMIC_COLUMN_NAME, Type.VARIANT, false, null, false, "", + "stream load auto dynamic column"); + slotDesc.setIsMaterialized(true); + // Non-nullable slots will have 0 for the byte offset and -1 for the bit mask + slotDesc.setNullIndicatorBit(-1); + slotDesc.setNullIndicatorByte(0); + slotDesc.setColumn(col); + slotDesc.setIsNullable(false); + LOG.debug("plan scanTupleDesc{}", scanTupleDesc.toString()); + } + + public ScanNode scanNodeBuilder(TupleDescriptor scanTupleDesc, Database db, TUniqueId loadId) throws UserException { + FileLoadScanNode fileScanNode = new FileLoadScanNode(new PlanNodeId(0), scanTupleDesc); + // 1. create file group + DataDescription dataDescription = new DataDescription(table.getName(), taskInfo); + dataDescription.analyzeWithoutCheckPriv(db.getFullName()); + BrokerFileGroup fileGroup = new BrokerFileGroup(dataDescription); + fileGroup.parse(db, dataDescription); + // 2. create dummy file status + TBrokerFileStatus fileStatus = new TBrokerFileStatus(); + if (taskInfo.getFileType() == TFileType.FILE_LOCAL) { + fileStatus.setPath(taskInfo.getPath()); + fileStatus.setIsDir(false); + fileStatus.setSize(taskInfo.getFileSize()); // must set to -1, means stream. + } else { + fileStatus.setPath(""); + fileStatus.setIsDir(false); + fileStatus.setSize(-1); // must set to -1, means stream. + } + // The load id will pass to csv reader to find the stream load context from new load stream manager + fileScanNode.setLoadInfo(loadId, taskInfo.getTxnId(), table, BrokerDesc.createForStreamLoad(), + fileGroup, fileStatus, taskInfo.isStrictMode(), taskInfo.getFileType(), taskInfo.getHiddenColumns(), + taskInfo.isPartialUpdate()); + ScanNode scanNode = fileScanNode; + scanNode.init(analyzer); + scanNode.finalize(analyzer); + scanNode.convertToVectorized(); + return scanNode; + } + + public ScanNode scanNodeBuilder(int nextNodeId, + TupleDescriptor scanTupleDesc, + long loadJobId, + long txnId, + BrokerDesc brokerDesc, + List<BrokerFileGroup> fileGroups, + boolean strictMode, + int loadParallelism, + UserIdentity userInfo) throws UserException { + ScanNode scanNode; + scanNode = new FileLoadScanNode(new PlanNodeId(nextNodeId), scanTupleDesc); + ((FileLoadScanNode) scanNode).setLoadInfo(loadJobId, txnId, table, brokerDesc, fileGroups, + fileStatusesList, filesAdded, strictMode, loadParallelism, userInfo); Review Comment: we should check fileStatusesList & filesAdded is already set, otherwise print a error log to tell other developer call preparePlan before plan -- This is an automated message from the Apache Git Service. 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