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[Flink]Support flink migrate hive database
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52 changes: 52 additions & 0 deletions
52
...imon-flink-common/src/main/java/org/apache/paimon/flink/action/MigrateDatabaseAction.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.paimon.flink.action; | ||
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| import org.apache.paimon.flink.procedure.MigrateDatabaseProcedure; | ||
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| import org.apache.flink.table.procedure.DefaultProcedureContext; | ||
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| import java.util.Map; | ||
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| /** Migrate from external all hive table in database to paimon table. */ | ||
| public class MigrateDatabaseAction extends ActionBase { | ||
| private final String connector; | ||
| private final String hiveDatabaseName; | ||
| private final String tableProperties; | ||
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| public MigrateDatabaseAction( | ||
| String connector, | ||
| String warehouse, | ||
| String hiveDatabaseName, | ||
| Map<String, String> catalogConfig, | ||
| String tableProperties) { | ||
| super(warehouse, catalogConfig); | ||
| this.connector = connector; | ||
| this.hiveDatabaseName = hiveDatabaseName; | ||
| this.tableProperties = tableProperties; | ||
| } | ||
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| @Override | ||
| public void run() throws Exception { | ||
| MigrateDatabaseProcedure migrateDatabaseProcedure = new MigrateDatabaseProcedure(); | ||
| migrateDatabaseProcedure.withCatalog(catalog); | ||
| migrateDatabaseProcedure.call( | ||
| new DefaultProcedureContext(env), connector, hiveDatabaseName, tableProperties); | ||
| } | ||
| } |
64 changes: 64 additions & 0 deletions
64
...ink-common/src/main/java/org/apache/paimon/flink/action/MigrateDatabaseActionFactory.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.paimon.flink.action; | ||
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| import java.util.Map; | ||
| import java.util.Optional; | ||
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| /** Action Factory for {@link MigrateDatabaseAction}. */ | ||
| public class MigrateDatabaseActionFactory implements ActionFactory { | ||
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| public static final String IDENTIFIER = "migrate_database"; | ||
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| private static final String SOURCE_TYPE = "source_type"; | ||
| private static final String OPTIONS = "options"; | ||
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| @Override | ||
| public String identifier() { | ||
| return IDENTIFIER; | ||
| } | ||
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| @Override | ||
| public Optional<Action> create(MultipleParameterToolAdapter params) { | ||
| String warehouse = params.get(WAREHOUSE); | ||
| String connector = params.get(SOURCE_TYPE); | ||
| String sourceHiveDatabase = params.get(DATABASE); | ||
| Map<String, String> catalogConfig = optionalConfigMap(params, CATALOG_CONF); | ||
| String tableConf = params.get(OPTIONS); | ||
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| MigrateDatabaseAction migrateDatabaseAction = | ||
| new MigrateDatabaseAction( | ||
| connector, warehouse, sourceHiveDatabase, catalogConfig, tableConf); | ||
| return Optional.of(migrateDatabaseAction); | ||
| } | ||
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| @Override | ||
| public void printHelp() { | ||
| System.out.println( | ||
| "Action \"migrate_database\" migrate all tables in database from hive to paimon."); | ||
| System.out.println(); | ||
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| System.out.println("Syntax:"); | ||
| System.out.println( | ||
| " migrate_database --warehouse <warehouse_path> --source_type hive " | ||
| + "--database <database_name> " | ||
| + "[--catalog_conf <key>=<value] " | ||
| + "[--options <key>=<value>,<key>=<value>,...]"); | ||
| } | ||
| } |
84 changes: 84 additions & 0 deletions
84
...link-common/src/main/java/org/apache/paimon/flink/procedure/MigrateDatabaseProcedure.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.paimon.flink.procedure; | ||
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| import org.apache.paimon.catalog.Identifier; | ||
| import org.apache.paimon.flink.utils.TableMigrationUtils; | ||
| import org.apache.paimon.hive.HiveCatalog; | ||
| import org.apache.paimon.utils.ParameterUtils; | ||
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| import org.apache.flink.table.procedure.ProcedureContext; | ||
| import org.apache.hadoop.hive.metastore.IMetaStoreClient; | ||
| import org.slf4j.Logger; | ||
| import org.slf4j.LoggerFactory; | ||
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| import java.util.List; | ||
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| /** Migrate procedure to migrate all hive tables in database to paimon table. */ | ||
| public class MigrateDatabaseProcedure extends ProcedureBase { | ||
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| private static final Logger LOG = LoggerFactory.getLogger(MigrateDatabaseProcedure.class); | ||
| private static final String PAIMON_SUFFIX = "_paimon_"; | ||
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| @Override | ||
| public String identifier() { | ||
| return "migrate_database"; | ||
| } | ||
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| public String[] call( | ||
| ProcedureContext procedureContext, String connector, String sourceDatabasePath) | ||
| throws Exception { | ||
| return call(procedureContext, connector, sourceDatabasePath, ""); | ||
| } | ||
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| public String[] call( | ||
| ProcedureContext procedureContext, | ||
| String connector, | ||
| String sourceDatabasePath, | ||
| String properties) | ||
| throws Exception { | ||
| if (!(catalog instanceof HiveCatalog)) { | ||
| throw new IllegalArgumentException("Only support Hive Catalog"); | ||
| } | ||
| HiveCatalog hiveCatalog = (HiveCatalog) this.catalog; | ||
| IMetaStoreClient client = hiveCatalog.getHmsClient(); | ||
| List<String> sourceTables = client.getAllTables(sourceDatabasePath); | ||
| for (String sourceTable : sourceTables) { | ||
| String sourceTablePath = sourceDatabasePath + "." + sourceTable; | ||
| String targetPaimonTablePath = sourceTablePath + PAIMON_SUFFIX; | ||
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| Identifier sourceTableId = Identifier.fromString(sourceTablePath); | ||
| Identifier targetTableId = Identifier.fromString(targetPaimonTablePath); | ||
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| TableMigrationUtils.getImporter( | ||
| connector, | ||
| (HiveCatalog) this.catalog, | ||
| sourceTableId.getDatabaseName(), | ||
| sourceTableId.getObjectName(), | ||
| targetTableId.getDatabaseName(), | ||
| targetTableId.getObjectName(), | ||
| ParameterUtils.parseCommaSeparatedKeyValues(properties)) | ||
| .executeMigrate(); | ||
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| LOG.info("rename " + targetTableId + " to " + sourceTableId); | ||
| this.catalog.renameTable(targetTableId, sourceTableId, false); | ||
| } | ||
| return new String[] {"Success"}; | ||
| } | ||
| } |
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