Package | Description |
---|---|
org.apache.hadoop.mapred.lib.db | |
org.apache.hadoop.mapreduce.lib.db |
Modifier and Type | Interface and Description |
---|---|
interface |
DBWritable |
Modifier and Type | Class and Description |
---|---|
class |
DataDrivenDBInputFormat<T extends DBWritable>
A InputFormat that reads input data from an SQL table.
|
class |
DataDrivenDBRecordReader<T extends DBWritable>
A RecordReader that reads records from a SQL table,
using data-driven WHERE clause splits.
|
class |
DBInputFormat<T extends DBWritable>
A InputFormat that reads input data from an SQL table.
|
class |
DBOutputFormat<K extends DBWritable,V>
A OutputFormat that sends the reduce output to a SQL table.
|
class |
DBRecordReader<T extends DBWritable>
A RecordReader that reads records from a SQL table.
|
class |
MySQLDataDrivenDBRecordReader<T extends DBWritable>
A RecordReader that reads records from a MySQL table via DataDrivenDBRecordReader
|
class |
MySQLDBRecordReader<T extends DBWritable>
A RecordReader that reads records from a MySQL table.
|
class |
OracleDataDrivenDBInputFormat<T extends DBWritable>
A InputFormat that reads input data from an SQL table in an Oracle db.
|
class |
OracleDataDrivenDBRecordReader<T extends DBWritable>
A RecordReader that reads records from a Oracle table via DataDrivenDBRecordReader
|
class |
OracleDBRecordReader<T extends DBWritable>
A RecordReader that reads records from an Oracle SQL table.
|
Modifier and Type | Method and Description |
---|---|
static void |
DBInputFormat.setInput(Job job,
Class<? extends DBWritable> inputClass,
String inputQuery,
String inputCountQuery)
Initializes the map-part of the job with the appropriate input settings.
|
static void |
DataDrivenDBInputFormat.setInput(Job job,
Class<? extends DBWritable> inputClass,
String inputQuery,
String inputBoundingQuery)
setInput() takes a custom query and a separate "bounding query" to use
instead of the custom "count query" used by DBInputFormat.
|
static void |
DBInputFormat.setInput(Job job,
Class<? extends DBWritable> inputClass,
String tableName,
String conditions,
String orderBy,
String... fieldNames)
Initializes the map-part of the job with the appropriate input settings.
|
static void |
DataDrivenDBInputFormat.setInput(Job job,
Class<? extends DBWritable> inputClass,
String tableName,
String conditions,
String splitBy,
String... fieldNames)
Note that the "orderBy" column is called the "splitBy" in this version.
|
void |
DBConfiguration.setInputClass(Class<? extends DBWritable> inputClass) |
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