@InterfaceAudience.Public @InterfaceStability.Evolving public class DataDrivenDBRecordReader<T extends DBWritable> extends DBRecordReader<T>
statement| コンストラクタと説明 | 
|---|
| DataDrivenDBRecordReader(org.apache.hadoop.mapreduce.lib.db.DBInputFormat.DBInputSplit split,
                        Class<T> inputClass,
                        Configuration conf,
                        Connection conn,
                        DBConfiguration dbConfig,
                        String cond,
                        String[] fields,
                        String table,
                        String dbProduct) | 
| 修飾子とタイプ | メソッドと説明 | 
|---|---|
| protected String | getSelectQuery()Returns the query for selecting the records,
 subclasses can override this for custom behaviour. | 
close, createValue, executeQuery, getConditions, getConnection, getCurrentKey, getCurrentValue, getDBConf, getFieldNames, getPos, getProgress, getSplit, getStatement, getTableName, initialize, next, nextKeyValue, setStatementpublic DataDrivenDBRecordReader(org.apache.hadoop.mapreduce.lib.db.DBInputFormat.DBInputSplit split, Class<T> inputClass, Configuration conf, Connection conn, DBConfiguration dbConfig, String cond, String[] fields, String table, String dbProduct) throws SQLException
split - The InputSplit to read data forSQLExceptionprotected String getSelectQuery()
getSelectQuery クラス内 DBRecordReader<T extends DBWritable>Copyright © 2016 Apache Software Foundation. All rights reserved.