JingsongLi commented on a change in pull request #9864: [FLINK-14254][table] Introduce FileSystemOutputFormat for batch URL: https://github.com/apache/flink/pull/9864#discussion_r349984971
########## File path: flink-connectors/flink-connector-hive/src/main/java/org/apache/flink/connectors/hive/HiveMetaStoreFactory.java ########## @@ -0,0 +1,114 @@ +/* + * 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.flink.connectors.hive; + +import org.apache.flink.core.fs.Path; +import org.apache.flink.table.catalog.hive.client.HiveMetastoreClientFactory; +import org.apache.flink.table.catalog.hive.client.HiveMetastoreClientWrapper; +import org.apache.flink.table.catalog.hive.util.HiveTableUtil; +import org.apache.flink.table.filesystem.MetaStoreFactory; + +import org.apache.hadoop.hive.conf.HiveConf; +import org.apache.hadoop.hive.metastore.api.NoSuchObjectException; +import org.apache.hadoop.hive.metastore.api.Partition; +import org.apache.hadoop.hive.metastore.api.StorageDescriptor; +import org.apache.hadoop.mapred.JobConf; +import org.apache.thrift.TException; + +import java.io.IOException; +import java.util.ArrayList; +import java.util.HashMap; +import java.util.LinkedHashMap; +import java.util.Optional; + +/** + * Hive {@link MetaStoreFactory}, use {@link HiveMetastoreClientWrapper} to communicate with + * hive meta store. + */ +public class HiveMetaStoreFactory implements MetaStoreFactory { + + private static final long serialVersionUID = 1L; + + private final JobConfWrapper conf; + private final String hiveVersion; + private final String database; + private final String tableName; + + HiveMetaStoreFactory( + JobConf conf, + String hiveVersion, + String database, + String tableName) { + this.conf = new JobConfWrapper(conf); + this.hiveVersion = hiveVersion; + this.database = database; + this.tableName = tableName; + } + + @Override + public HiveTableMetaStore createTableMetaStore() throws Exception { + return new HiveTableMetaStore(); + } + + private class HiveTableMetaStore implements TableMetaStore { + + private HiveMetastoreClientWrapper client; + private StorageDescriptor sd; + + private HiveTableMetaStore() throws TException { + client = HiveMetastoreClientFactory.create( + new HiveConf(conf.conf(), HiveConf.class), hiveVersion); + sd = client.getTable(database, tableName).getSd(); + } + + @Override + public Path getLocationPath() { + return new Path(sd.getLocation()); + } + + @Override + public Optional<Path> getPartition( + LinkedHashMap<String, String> partSpec) throws Exception { + try { + return Optional.of(new Path(client.getPartition( Review comment: Will invoke `PartitionLoader.loadNonPartition`, never reach here. ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: us...@infra.apache.org With regards, Apache Git Services
