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[HUDI-3985] Refactor DLASyncTool to support read hoodie table as spar…
…k datasource table (apache#5532)
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...ync/hudi-adb-sync/src/main/java/org/apache/hudi/sync/adb/AbstractAdbSyncHoodieClient.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. | ||
| */ | ||
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| package org.apache.hudi.sync.adb; | ||
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| import org.apache.hudi.common.fs.FSUtils; | ||
| import org.apache.hudi.common.table.timeline.HoodieTimeline; | ||
| import org.apache.hudi.common.util.StringUtils; | ||
| import org.apache.hudi.exception.HoodieException; | ||
| import org.apache.hudi.hive.PartitionValueExtractor; | ||
| import org.apache.hudi.hive.SchemaDifference; | ||
| import org.apache.hudi.sync.common.AbstractSyncHoodieClient; | ||
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| import org.apache.hadoop.fs.FileSystem; | ||
| import org.apache.hadoop.fs.Path; | ||
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| import java.util.ArrayList; | ||
| import java.util.HashMap; | ||
| import java.util.List; | ||
| import java.util.Map; | ||
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| public abstract class AbstractAdbSyncHoodieClient extends AbstractSyncHoodieClient { | ||
| protected AdbSyncConfig adbSyncConfig; | ||
| protected PartitionValueExtractor partitionValueExtractor; | ||
| protected HoodieTimeline activeTimeline; | ||
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| public AbstractAdbSyncHoodieClient(AdbSyncConfig syncConfig, FileSystem fs) { | ||
| super(syncConfig.basePath, syncConfig.assumeDatePartitioning, | ||
| syncConfig.useFileListingFromMetadata, false, fs); | ||
| this.adbSyncConfig = syncConfig; | ||
| final String clazz = adbSyncConfig.partitionValueExtractorClass; | ||
| try { | ||
| this.partitionValueExtractor = (PartitionValueExtractor) Class.forName(clazz).newInstance(); | ||
| } catch (Exception e) { | ||
| throw new HoodieException("Fail to init PartitionValueExtractor class " + clazz, e); | ||
| } | ||
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| activeTimeline = metaClient.getActiveTimeline().getCommitsTimeline().filterCompletedInstants(); | ||
| } | ||
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| public List<PartitionEvent> getPartitionEvents(Map<List<String>, String> tablePartitions, | ||
| List<String> partitionStoragePartitions) { | ||
| Map<String, String> paths = new HashMap<>(); | ||
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| for (Map.Entry<List<String>, String> entry : tablePartitions.entrySet()) { | ||
| List<String> partitionValues = entry.getKey(); | ||
| String fullTablePartitionPath = entry.getValue(); | ||
| paths.put(String.join(", ", partitionValues), fullTablePartitionPath); | ||
| } | ||
| List<PartitionEvent> events = new ArrayList<>(); | ||
| for (String storagePartition : partitionStoragePartitions) { | ||
| Path storagePartitionPath = FSUtils.getPartitionPath(adbSyncConfig.basePath, storagePartition); | ||
| String fullStoragePartitionPath = Path.getPathWithoutSchemeAndAuthority(storagePartitionPath).toUri().getPath(); | ||
| // Check if the partition values or if hdfs path is the same | ||
| List<String> storagePartitionValues = partitionValueExtractor.extractPartitionValuesInPath(storagePartition); | ||
| if (adbSyncConfig.useHiveStylePartitioning) { | ||
| String partition = String.join("/", storagePartitionValues); | ||
| storagePartitionPath = FSUtils.getPartitionPath(adbSyncConfig.basePath, partition); | ||
| fullStoragePartitionPath = Path.getPathWithoutSchemeAndAuthority(storagePartitionPath).toUri().getPath(); | ||
| } | ||
| if (!storagePartitionValues.isEmpty()) { | ||
| String storageValue = String.join(", ", storagePartitionValues); | ||
| if (!paths.containsKey(storageValue)) { | ||
| events.add(PartitionEvent.newPartitionAddEvent(storagePartition)); | ||
| } else if (!paths.get(storageValue).equals(fullStoragePartitionPath)) { | ||
| events.add(PartitionEvent.newPartitionUpdateEvent(storagePartition)); | ||
| } | ||
| } | ||
| } | ||
| return events; | ||
| } | ||
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| public void close() { | ||
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| } | ||
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| public abstract Map<List<String>, String> scanTablePartitions(String tableName) throws Exception; | ||
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| public abstract void updateTableDefinition(String tableName, SchemaDifference schemaDiff) throws Exception; | ||
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| public abstract boolean databaseExists(String databaseName) throws Exception; | ||
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| public abstract void createDatabase(String databaseName) throws Exception; | ||
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| public abstract void dropTable(String tableName); | ||
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| protected String getDatabasePath() { | ||
| String dbLocation = adbSyncConfig.dbLocation; | ||
| Path dbLocationPath; | ||
| if (StringUtils.isNullOrEmpty(dbLocation)) { | ||
| if (new Path(adbSyncConfig.basePath).isRoot()) { | ||
| dbLocationPath = new Path(adbSyncConfig.basePath); | ||
| } else { | ||
| dbLocationPath = new Path(adbSyncConfig.basePath).getParent(); | ||
| } | ||
| } else { | ||
| dbLocationPath = new Path(dbLocation); | ||
| } | ||
| return generateAbsolutePathStr(dbLocationPath); | ||
| } | ||
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| protected String generateAbsolutePathStr(Path path) { | ||
| String absolutePathStr = path.toString(); | ||
| if (path.toUri().getScheme() == null) { | ||
| absolutePathStr = getDefaultFs() + absolutePathStr; | ||
| } | ||
| return absolutePathStr.endsWith("/") ? absolutePathStr : absolutePathStr + "/"; | ||
| } | ||
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| protected String getDefaultFs() { | ||
| return fs.getConf().get("fs.defaultFS"); | ||
| } | ||
| } |
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