edu.yale.cs.hadoopdb.benchmark
Class UDFAggTaskDB

java.lang.Object
  org.apache.hadoop.conf.Configured
      edu.yale.cs.hadoopdb.exec.DBJobBase
          edu.yale.cs.hadoopdb.benchmark.UDFAggTaskDB

All Implemented Interfaces:

org.apache.hadoop.conf.Configurable, org.apache.hadoop.util.Tool

public class UDFAggTaskDB
extends DBJobBase

HadoopDB's implementation of UDF Aggregation Task http://database.cs.brown.edu/projects/mapreduce-vs-dbms/

Nested Class Summary

(package private) static class	UDFAggTaskDB.DocumentRecord
static class	UDFAggTaskDB.Query4Map

Nested classes/interfaces inherited from class edu.yale.cs.hadoopdb.exec.DBJobBase

DBJobBase.DBJobBaseInputFormat

Field Summary

protected static java.util.regex.Pattern	URL_PATTERN
static java.lang.String	URL_PATTERN_STR

Fields inherited from class edu.yale.cs.hadoopdb.exec.DBJobBase

LOG

Constructor Summary

UDFAggTaskDB()

Method Summary

protected org.apache.hadoop.mapred.JobConf	configureJob(java.lang.String... args) Override this method to set job-specific options
static void	main(java.lang.String[] args)
protected int	printUsage() Provide job-specific command-line help

Methods inherited from class edu.yale.cs.hadoopdb.exec.DBJobBase

initConf, printDbUsage, run

Methods inherited from class org.apache.hadoop.conf.Configured

getConf, setConf

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface org.apache.hadoop.conf.Configurable

getConf, setConf

Field Detail

URL_PATTERN

protected static final java.util.regex.Pattern URL_PATTERN

URL_PATTERN_STR

public static final java.lang.String URL_PATTERN_STR

See Also:

Constant Field Values

Constructor Detail

UDFAggTaskDB

public UDFAggTaskDB()

Method Detail

configureJob

protected org.apache.hadoop.mapred.JobConf configureJob(java.lang.String... args)
                                                 throws java.io.IOException

Description copied from class: DBJobBase

Override this method to set job-specific options

Specified by:

configureJob in class DBJobBase

Throws:

java.io.IOException

main

public static void main(java.lang.String[] args)
                 throws java.lang.Exception

Throws:

java.lang.Exception

printUsage

protected int printUsage()

Description copied from class: DBJobBase

Provide job-specific command-line help

Specified by:

printUsage in class DBJobBase