001 /** 002 * Licensed to the Apache Software Foundation (ASF) under one 003 * or more contributor license agreements. See the NOTICE file 004 * distributed with this work for additional information 005 * regarding copyright ownership. The ASF licenses this file 006 * to you under the Apache License, Version 2.0 (the 007 * "License"); you may not use this file except in compliance 008 * with the License. You may obtain a copy of the License at 009 * 010 * http://www.apache.org/licenses/LICENSE-2.0 011 * 012 * Unless required by applicable law or agreed to in writing, software 013 * distributed under the License is distributed on an "AS IS" BASIS, 014 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 015 * See the License for the specific language governing permissions and 016 * limitations under the License. 017 */ 018 019 package org.apache.hadoop.mapreduce.lib.db; 020 021 import java.sql.Connection; 022 import java.sql.ResultSet; 023 import java.sql.PreparedStatement; 024 import java.sql.SQLException; 025 026 import org.apache.hadoop.classification.InterfaceAudience; 027 import org.apache.hadoop.classification.InterfaceStability; 028 import org.apache.hadoop.conf.Configuration; 029 030 /** 031 * A RecordReader that reads records from a Oracle table via DataDrivenDBRecordReader 032 */ 033 @InterfaceAudience.Public 034 @InterfaceStability.Evolving 035 public class OracleDataDrivenDBRecordReader<T extends DBWritable> 036 extends DataDrivenDBRecordReader<T> { 037 038 public OracleDataDrivenDBRecordReader(DBInputFormat.DBInputSplit split, 039 Class<T> inputClass, Configuration conf, Connection conn, 040 DBConfiguration dbConfig, String cond, String [] fields, 041 String table) throws SQLException { 042 043 super(split, inputClass, conf, conn, dbConfig, cond, fields, table, 044 "ORACLE"); 045 046 // Must initialize the tz used by the connection for Oracle. 047 OracleDBRecordReader.setSessionTimeZone(conf, conn); 048 } 049 }