gargvishesh commented on code in PR #16291: URL: https://github.com/apache/druid/pull/16291#discussion_r1644321621
########## extensions-core/multi-stage-query/src/main/java/org/apache/druid/msq/indexing/MSQCompactionRunner.java: ########## @@ -0,0 +1,508 @@ +/* + * 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.druid.msq.indexing; + +import com.fasterxml.jackson.annotation.JacksonInject; +import com.fasterxml.jackson.annotation.JsonIgnore; +import com.fasterxml.jackson.core.JsonProcessingException; +import com.fasterxml.jackson.databind.ObjectMapper; +import com.google.common.collect.ImmutableList; +import com.google.inject.Injector; +import org.apache.druid.data.input.impl.DimensionSchema; +import org.apache.druid.error.InvalidInput; +import org.apache.druid.indexer.TaskStatus; +import org.apache.druid.indexer.partitions.DimensionRangePartitionsSpec; +import org.apache.druid.indexer.partitions.DynamicPartitionsSpec; +import org.apache.druid.indexer.partitions.PartitionsSpec; +import org.apache.druid.indexer.partitions.SecondaryPartitionType; +import org.apache.druid.indexing.common.TaskToolbox; +import org.apache.druid.indexing.common.task.CompactionRunner; +import org.apache.druid.indexing.common.task.CompactionTask; +import org.apache.druid.indexing.common.task.CurrentSubTaskHolder; +import org.apache.druid.java.util.common.NonnullPair; +import org.apache.druid.java.util.common.StringUtils; +import org.apache.druid.java.util.common.granularity.AllGranularity; +import org.apache.druid.java.util.common.granularity.Granularities; +import org.apache.druid.java.util.common.granularity.Granularity; +import org.apache.druid.java.util.common.granularity.PeriodGranularity; +import org.apache.druid.java.util.common.logger.Logger; +import org.apache.druid.math.expr.ExprMacroTable; +import org.apache.druid.msq.indexing.destination.DataSourceMSQDestination; +import org.apache.druid.msq.kernel.WorkerAssignmentStrategy; +import org.apache.druid.msq.util.MultiStageQueryContext; +import org.apache.druid.query.Druids; +import org.apache.druid.query.Query; +import org.apache.druid.query.QueryContext; +import org.apache.druid.query.TableDataSource; +import org.apache.druid.query.dimension.DefaultDimensionSpec; +import org.apache.druid.query.dimension.DimensionSpec; +import org.apache.druid.query.expression.TimestampFloorExprMacro; +import org.apache.druid.query.filter.DimFilter; +import org.apache.druid.query.groupby.GroupByQuery; +import org.apache.druid.query.groupby.orderby.OrderByColumnSpec; +import org.apache.druid.query.spec.MultipleIntervalSegmentSpec; +import org.apache.druid.segment.VirtualColumn; +import org.apache.druid.segment.VirtualColumns; +import org.apache.druid.segment.column.ColumnHolder; +import org.apache.druid.segment.column.ColumnType; +import org.apache.druid.segment.column.RowSignature; +import org.apache.druid.segment.indexing.DataSchema; +import org.apache.druid.segment.virtual.ExpressionVirtualColumn; +import org.apache.druid.sql.calcite.parser.DruidSqlInsert; +import org.apache.druid.sql.calcite.planner.ColumnMapping; +import org.apache.druid.sql.calcite.planner.ColumnMappings; +import org.joda.time.Interval; + +import java.util.ArrayList; +import java.util.Arrays; +import java.util.Collections; +import java.util.HashMap; +import java.util.List; +import java.util.Map; +import java.util.Objects; +import java.util.stream.Collectors; + +public class MSQCompactionRunner implements CompactionRunner +{ + private static final Logger log = new Logger(MSQCompactionRunner.class); + private static final Granularity DEFAULT_SEGMENT_GRANULARITY = Granularities.ALL; + + private final ObjectMapper jsonMapper; + private final Injector injector; + + public static final String TIME_VIRTUAL_COLUMN = "__vTime"; + public static final String TIME_COLUMN = ColumnHolder.TIME_COLUMN_NAME; + + @JsonIgnore + private final CurrentSubTaskHolder currentSubTaskHolder = new CurrentSubTaskHolder( + (taskObject, config) -> { + final MSQControllerTask msqControllerTask = (MSQControllerTask) taskObject; + msqControllerTask.stopGracefully(config); + }); + + + public MSQCompactionRunner(@JacksonInject ObjectMapper jsonMapper, @JacksonInject Injector injector) + { + this.jsonMapper = jsonMapper; + this.injector = injector; + } + + @Override + public NonnullPair<Boolean, String> supportsCompactionSpec( Review Comment: Added -- This is an automated message from the Apache Git Service. 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