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101 changes: 101 additions & 0 deletions
101
...in/java/org/apache/hudi/table/action/commit/FlinkDeletePartitionCommitActionExecutor.java
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| /* | ||
| * 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.hudi.table.action.commit; | ||
|
|
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| import org.apache.hadoop.fs.Path; | ||
| import org.apache.hudi.avro.model.HoodieRequestedReplaceMetadata; | ||
| import org.apache.hudi.client.WriteStatus; | ||
| import org.apache.hudi.common.engine.HoodieEngineContext; | ||
| import org.apache.hudi.common.model.FileSlice; | ||
| import org.apache.hudi.common.model.HoodieRecordPayload; | ||
| import org.apache.hudi.common.model.WriteOperationType; | ||
| import org.apache.hudi.common.table.timeline.HoodieInstant; | ||
| import org.apache.hudi.common.table.timeline.TimelineMetadataUtils; | ||
| import org.apache.hudi.common.util.HoodieTimer; | ||
| import org.apache.hudi.common.util.collection.Pair; | ||
| import org.apache.hudi.config.HoodieWriteConfig; | ||
| import org.apache.hudi.exception.HoodieDeletePartitionException; | ||
| import org.apache.hudi.table.HoodieTable; | ||
| import org.apache.hudi.table.WorkloadProfile; | ||
| import org.apache.hudi.table.WorkloadStat; | ||
| import org.apache.hudi.table.action.HoodieWriteMetadata; | ||
|
|
||
| import java.time.Duration; | ||
| import java.util.Collections; | ||
| import java.util.HashMap; | ||
| import java.util.List; | ||
| import java.util.Map; | ||
| import java.util.stream.Collectors; | ||
|
|
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| import static org.apache.hudi.common.table.timeline.HoodieInstant.State.REQUESTED; | ||
| import static org.apache.hudi.common.table.timeline.HoodieTimeline.REPLACE_COMMIT_ACTION; | ||
|
|
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| public class FlinkDeletePartitionCommitActionExecutor<T extends HoodieRecordPayload<T>> | ||
| extends FlinkInsertOverwriteCommitActionExecutor<T> { | ||
|
|
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| private final List<String> partitions; | ||
|
|
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| public FlinkDeletePartitionCommitActionExecutor(HoodieEngineContext context, | ||
| HoodieWriteConfig config, | ||
| HoodieTable<?, ?, ?, ?> table, | ||
| String instantTime, | ||
| List<String> partitions) { | ||
| super(context, null, config, table, instantTime, null, WriteOperationType.DELETE_PARTITION); | ||
| this.partitions = partitions; | ||
| } | ||
|
|
||
| @Override | ||
| public HoodieWriteMetadata<List<WriteStatus>> execute() { | ||
| try { | ||
| HoodieTimer timer = new HoodieTimer().startTimer(); | ||
| context.setJobStatus(this.getClass().getSimpleName(), "Gather all file ids from all deleting partitions."); | ||
| Map<String, List<String>> partitionToReplaceFileIds = | ||
| context.parallelize(partitions).distinct().collectAsList() | ||
| .stream().collect(Collectors.toMap(partitionPath -> partitionPath, this::getAllExistingFileIds)); | ||
| HoodieWriteMetadata<List<WriteStatus>> result = new HoodieWriteMetadata<>(); | ||
| result.setPartitionToReplaceFileIds(partitionToReplaceFileIds); | ||
| result.setIndexUpdateDuration(Duration.ofMillis(timer.endTimer())); | ||
| result.setWriteStatuses(Collections.emptyList()); | ||
|
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| // created requested | ||
| HoodieInstant dropPartitionsInstant = new HoodieInstant(REQUESTED, REPLACE_COMMIT_ACTION, instantTime); | ||
| if (!table.getMetaClient().getFs().exists(new Path(table.getMetaClient().getMetaPath(), | ||
| dropPartitionsInstant.getFileName()))) { | ||
| HoodieRequestedReplaceMetadata requestedReplaceMetadata = HoodieRequestedReplaceMetadata.newBuilder() | ||
| .setOperationType(WriteOperationType.DELETE_PARTITION.name()) | ||
| .setExtraMetadata(extraMetadata.orElse(Collections.emptyMap())) | ||
| .build(); | ||
| table.getMetaClient().getActiveTimeline().saveToPendingReplaceCommit(dropPartitionsInstant, | ||
| TimelineMetadataUtils.serializeRequestedReplaceMetadata(requestedReplaceMetadata)); | ||
| } | ||
|
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| this.saveWorkloadProfileMetadataToInflight(new WorkloadProfile(Pair.of(new HashMap<>(), new WorkloadStat())), | ||
| instantTime); | ||
| this.commitOnAutoCommit(result); | ||
| return result; | ||
| } catch (Exception e) { | ||
| throw new HoodieDeletePartitionException("Failed to drop partitions for commit time " + instantTime, e); | ||
| } | ||
| } | ||
|
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| private List<String> getAllExistingFileIds(String partitionPath) { | ||
| // because new commit is not complete. it is safe to mark all existing file Ids as old files | ||
| return table.getSliceView().getLatestFileSlices(partitionPath).map(FileSlice::getFileId).distinct().collect(Collectors.toList()); | ||
| } | ||
| } |
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