wsjz commented on code in PR #23485: URL: https://github.com/apache/doris/pull/23485#discussion_r1320838667
########## fe/fe-core/src/main/java/org/apache/doris/nereids/trees/plans/commands/LoadCommand.java: ########## @@ -0,0 +1,391 @@ +// 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.nereids.trees.plans.commands; + +import org.apache.doris.analysis.BulkLoadDataDesc; +import org.apache.doris.analysis.BulkStorageDesc; +import org.apache.doris.catalog.Column; +import org.apache.doris.catalog.OlapTable; +import org.apache.doris.catalog.TableIf; +import org.apache.doris.common.AnalysisException; +import org.apache.doris.common.ErrorCode; +import org.apache.doris.common.NereidsException; +import org.apache.doris.common.UserException; +import org.apache.doris.common.profile.Profile; +import org.apache.doris.datasource.property.constants.S3Properties; +import org.apache.doris.load.loadv2.LoadTask; +import org.apache.doris.nereids.analyzer.UnboundAlias; +import org.apache.doris.nereids.analyzer.UnboundOlapTableSink; +import org.apache.doris.nereids.analyzer.UnboundSlot; +import org.apache.doris.nereids.analyzer.UnboundTVFRelation; +import org.apache.doris.nereids.trees.expressions.CaseWhen; +import org.apache.doris.nereids.trees.expressions.EqualTo; +import org.apache.doris.nereids.trees.expressions.Expression; +import org.apache.doris.nereids.trees.expressions.NamedExpression; +import org.apache.doris.nereids.trees.expressions.Properties; +import org.apache.doris.nereids.trees.expressions.StatementScopeIdGenerator; +import org.apache.doris.nereids.trees.expressions.WhenClause; +import org.apache.doris.nereids.trees.expressions.literal.TinyIntLiteral; +import org.apache.doris.nereids.trees.plans.Explainable; +import org.apache.doris.nereids.trees.plans.Plan; +import org.apache.doris.nereids.trees.plans.PlanType; +import org.apache.doris.nereids.trees.plans.logical.LogicalCheckPolicy; +import org.apache.doris.nereids.trees.plans.logical.LogicalFilter; +import org.apache.doris.nereids.trees.plans.logical.LogicalPlan; +import org.apache.doris.nereids.trees.plans.logical.LogicalProject; +import org.apache.doris.nereids.trees.plans.visitor.PlanVisitor; +import org.apache.doris.nereids.util.ExpressionUtils; +import org.apache.doris.nereids.util.RelationUtil; +import org.apache.doris.qe.ConnectContext; +import org.apache.doris.qe.QueryStateException; +import org.apache.doris.qe.StmtExecutor; +import org.apache.doris.tablefunction.ExternalFileTableValuedFunction; +import org.apache.doris.tablefunction.HdfsTableValuedFunction; +import org.apache.doris.tablefunction.S3TableValuedFunction; + +import com.google.common.annotations.VisibleForTesting; +import com.google.common.base.VerifyException; +import com.google.common.collect.ImmutableList; +import org.apache.commons.lang3.StringUtils; +import org.apache.logging.log4j.LogManager; +import org.apache.logging.log4j.Logger; + +import java.util.ArrayList; +import java.util.HashMap; +import java.util.HashSet; +import java.util.LinkedHashMap; +import java.util.List; +import java.util.Map; +import java.util.Objects; +import java.util.Optional; +import java.util.Set; + +/** + * export table + */ +public class LoadCommand extends Command implements ForwardWithSync, Explainable { + public static final Logger LOG = LogManager.getLogger(LoadCommand.class); + private final String labelName; + private final BulkStorageDesc bulkStorageDesc; + private final List<BulkLoadDataDesc> sourceInfos; + private final Map<String, String> properties; + private final String comment; + private final List<LogicalPlan> plans = new ArrayList<>(); + private Profile profile; + + /** + * constructor of ExportCommand + */ + public LoadCommand(String labelName, List<BulkLoadDataDesc> sourceInfos, BulkStorageDesc bulkStorageDesc, + Map<String, String> properties, String comment) { + super(PlanType.LOAD_COMMAND); + this.labelName = Objects.requireNonNull(labelName.trim(), "labelName should not null"); + this.sourceInfos = Objects.requireNonNull(sourceInfos, "sourceInfos should not null"); + this.properties = Objects.requireNonNull(properties, "properties should not null"); + this.bulkStorageDesc = Objects.requireNonNull(bulkStorageDesc, "bulkStorageDesc should not null"); + this.comment = Objects.requireNonNull(comment, "comment should not null"); + } + + /** + * for test print + * @param ctx context + * @return parsed insert into plan + */ + @VisibleForTesting + public List<LogicalPlan> parseToInsertIntoPlan(ConnectContext ctx) throws AnalysisException { + ctx.getState().setNereids(true); + List<LogicalPlan> plans = new ArrayList<>(); + for (BulkLoadDataDesc dataDesc : sourceInfos) { + plans.add(completeQueryPlan(ctx, dataDesc)); + } + return plans; + } + + @Override + public void run(ConnectContext ctx, StmtExecutor executor) throws Exception { + ctx.getState().setNereids(true); + this.profile = new Profile("Query", ctx.getSessionVariable().enableProfile); + // TODO: begin txn form multi insert sql + profile.getSummaryProfile().setQueryBeginTime(); + for (BulkLoadDataDesc dataDesc : sourceInfos) { + plans.add(new InsertIntoTableCommand(completeQueryPlan(ctx, dataDesc), Optional.of(labelName), false)); + } + profile.getSummaryProfile().setQueryPlanFinishTime(); + executeInsertStmtPlan(ctx, executor, plans); + } + + private LogicalPlan completeQueryPlan(ConnectContext ctx, BulkLoadDataDesc dataDesc) + throws AnalysisException { + if (LOG.isDebugEnabled()) { + LOG.debug("nereids load stmt before conversion: {}", dataDesc.toSql()); + } + // build source columns, add select and insert node. + List<String> sinkCols = new ArrayList<>(); + // contains the map of olap column to FileFieldNames, ColumnMappingList, ColumnsFromPath. + Map<String, NamedExpression> originSinkToSourceMap = new LinkedHashMap<>(); + OlapTable olapTable = getOlapTable(ctx, dataDesc); + buildSinkColumns(olapTable, dataDesc, sinkCols, originSinkToSourceMap); + + Map<String, String> properties = getTvfProperties(dataDesc, bulkStorageDesc); + // mapping sink colum to mapping expression + if (!dataDesc.getColumnMappingList().isEmpty()) { + for (Expression mappingExpr : dataDesc.getColumnMappingList()) { + if (!(mappingExpr instanceof EqualTo)) { + continue; + } + String mappingColumn = ((EqualTo) mappingExpr).left().toSql(); + if (originSinkToSourceMap.containsKey(mappingColumn)) { + Expression mappingExprAlias = ((EqualTo) mappingExpr).right(); + originSinkToSourceMap.put(mappingColumn, new UnboundAlias(mappingExprAlias, mappingColumn)); + } + } + } + + for (String columnFromPath : dataDesc.getColumnsFromPath()) { + sinkCols.add(columnFromPath); + // columnFromPath will be parsed by BE, put columns as placeholder. + originSinkToSourceMap.put(columnFromPath, new UnboundSlot(columnFromPath)); + } + + checkAndAddSequenceCol(olapTable, dataDesc, sinkCols, originSinkToSourceMap); + // build source columns + List<NamedExpression> selectLists = new ArrayList<>(originSinkToSourceMap.values()); + LogicalPlan tvfLogicalPlan = new LogicalProject<>(selectLists, // add select + new LogicalFilter<>(buildTvfFilter(dataDesc, originSinkToSourceMap), // add filter + new LogicalCheckPolicy<>(getUnboundTVFRelation(properties)))); // add relation + // TODO: 1. get column schema in tvf metadata. + // TODO: 2. rewrite pre filter and source projects on tvfLogicalPlan when use csv or text format. + boolean isPartialUpdate = olapTable.getEnableUniqueKeyMergeOnWrite() + && sinkCols.size() < olapTable.getColumns().size(); + return new UnboundOlapTableSink<>(dataDesc.getNameParts(), sinkCols, ImmutableList.of(), + dataDesc.getPartitionNames(), isPartialUpdate, tvfLogicalPlan); + } + + /** + * + * fill all column that need to be loaded to sinkCols. + * fill the map with sink columns and generated source columns. + * sink columns use for 'INSERT INTO' + * generated source columns use for 'SELECT' + * @param olapTable olapTable + * @param dataDesc dataDesc + * @param sinkCols sinkCols for insert into table + * @param originSinkToSourceMap sink column map to source column + */ + private static void buildSinkColumns(OlapTable olapTable, BulkLoadDataDesc dataDesc, List<String> sinkCols, + Map<String, NamedExpression> originSinkToSourceMap) { + List<Column> fullSchema = olapTable.getFullSchema(); + if (dataDesc.getFileFieldNames().size() > fullSchema.size()) { + throw new VerifyException("Source columns size should less than sink columns size"); + } + checkDeleteOnConditions(dataDesc.getMergeType(), dataDesc.getDeleteCondition()); + for (int i = 0; i < dataDesc.getFileFieldNames().size(); i++) { Review Comment: need read TVF from BE. just add todo for it. -- This is an automated message from the Apache Git Service. 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