com.cloudera.sqoop.mapreduce.db.DBInputFormat Maven / Gradle / Ivy
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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.
*/
package com.cloudera.sqoop.mapreduce.db;
import org.apache.sqoop.mapreduce.DBWritable;
/**
* A InputFormat that reads input data from an SQL table.
*
* DBInputFormat emits LongWritables containing the record number as
* key and DBWritables as value.
*
* The SQL query, and input class can be using one of the two
* setInput methods.
*
* @deprecated use org.apache.sqoop.mapreduce.db.DBInputFormat instead.
* @see org.apache.sqoop.mapreduce.db.DBInputFormat
*/
public class DBInputFormat
extends org.apache.sqoop.mapreduce.db.DBInputFormat {
/**
* A Class that does nothing, implementing DBWritable.
* @deprecated use org.apache.sqoop.mapreduce.db.DBInputFormat.NullDBWritable
* instead.
* @see org.apache.sqoop.mapreduce.db.DBInputFormat.NullDBWritable
*/
public static class NullDBWritable
extends org.apache.sqoop.mapreduce.db.DBInputFormat.NullDBWritable {
}
/**
* A InputSplit that spans a set of rows.
*
* @deprecated use org.apache.sqoop.mapreduce.db.DBInputFormat.DBInputSplit
* instead.
* @see org.apache.sqoop.mapreduce.db.DBInputFormat.DBInputSplit
*/
public static class DBInputSplit extends
org.apache.sqoop.mapreduce.db.DBInputFormat.DBInputSplit {
/**
* Default Constructor.
*/
public DBInputSplit() {
super();
}
/**
* Convenience Constructor.
* @param start the index of the first row to select
* @param end the index of the last row to select
*/
public DBInputSplit(long start, long end) {
super(start, end);
}
}
}