| /** |
| * 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 |
| * <p> |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * <p> |
| * 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.sqoop.testutil; |
| |
| import org.apache.sqoop.hive.HiveServer2ConnectionFactory; |
| |
| import java.sql.Connection; |
| import java.sql.PreparedStatement; |
| import java.sql.ResultSet; |
| import java.sql.ResultSetMetaData; |
| import java.sql.SQLException; |
| import java.util.ArrayList; |
| import java.util.LinkedHashMap; |
| import java.util.List; |
| |
| public class HiveServer2TestUtil { |
| |
| private static final String SELECT_TABLE_QUERY = "SELECT * FROM %s"; |
| |
| private HiveServer2ConnectionFactory hs2ConnectionFactory; |
| |
| public HiveServer2TestUtil(String url) { |
| this(url, null, null); |
| } |
| |
| public HiveServer2TestUtil(String url, String username, String password) { |
| hs2ConnectionFactory = new HiveServer2ConnectionFactory(url, username, password); |
| } |
| |
| public List<LinkedHashMap<String, Object>> loadRowsFromTable(String tableName) { |
| List<LinkedHashMap<String, Object>> result = new ArrayList<>(); |
| try(Connection connection = hs2ConnectionFactory.createConnection(); |
| PreparedStatement query = connection.prepareStatement(String.format(SELECT_TABLE_QUERY, tableName))) { |
| |
| ResultSet resultSet = query.executeQuery(); |
| ResultSetMetaData metaData = resultSet.getMetaData(); |
| |
| while (resultSet.next()) { |
| LinkedHashMap<String, Object> row = new LinkedHashMap<>(); |
| for (int i = 1; i <= metaData.getColumnCount(); i++) { |
| row.put(metaData.getColumnName(i), resultSet.getObject(i)); |
| } |
| result.add(row); |
| } |
| } catch (SQLException e) { |
| throw new RuntimeException(e); |
| } |
| return result; |
| } |
| |
| public List<List<Object>> loadRawRowsFromTable(String tableName) { |
| List<List<Object>> result = new ArrayList<>(); |
| List<LinkedHashMap<String, Object>> rowsWithColumnNames = loadRowsFromTable(tableName); |
| |
| for (LinkedHashMap<String, Object> rowWithColumnNames : rowsWithColumnNames) { |
| result.add(new ArrayList<>(rowWithColumnNames.values())); |
| } |
| |
| return result; |
| } |
| |
| } |